From 394dcb0e42177eb2f755cd0b8e73d667f1ee45e0 Mon Sep 17 00:00:00 2001
From: David Evans <davidje13@users.noreply.github.com>
Date: Tue, 16 Jan 2018 22:32:26 +0000
Subject: [PATCH] Add found messages and fix minor rendering issue with groups
 containing arrows to sides [#37]

---
 lib/sequence-diagram.js                      | 318 ++++++++++++---
 lib/sequence-diagram.min.js                  |   2 +-
 scripts/editor.js                            |   4 +
 scripts/sequence/CodeMirrorMode.js           |  25 +-
 scripts/sequence/Generator.js                | 116 +++++-
 scripts/sequence/Generator_spec.js           | 384 ++++++++++++++-----
 scripts/sequence/Parser.js                   |  34 +-
 scripts/sequence/Parser_spec.js              |  32 ++
 scripts/sequence/Renderer.js                 |   2 +
 scripts/sequence/components/BaseComponent.js |   2 +
 scripts/sequence/components/Connect.js       |  85 +++-
 scripts/sequence/themes/Basic.js             |  13 +
 scripts/sequence/themes/Chunky.js            |  13 +
 scripts/sequence/themes/Monospace.js         |  13 +
 scripts/sequence/themes/Sketch.js            |  15 +-
 15 files changed, 853 insertions(+), 205 deletions(-)

diff --git a/lib/sequence-diagram.js b/lib/sequence-diagram.js
index edd17c9..58e5241 100644
--- a/lib/sequence-diagram.js
+++ b/lib/sequence-diagram.js
@@ -645,8 +645,13 @@ define('sequence/CodeMirrorMode',['core/ArrayUtilities'], (array) => {
 			)};
 		}
 
+		const colonTextToEnd = {
+			type: 'operator',
+			suggest: true,
+			then: {'': textToEnd, '\n': hiddenEnd},
+		};
 		const agentListToText = agentListTo({
-			':': {type: 'operator', suggest: true, then: {'': textToEnd}},
+			':': colonTextToEnd,
 		});
 		const agentList2ToText = {type: 'variable', suggest: 'Agent', then: {
 			'': 0,
@@ -656,7 +661,7 @@ define('sequence/CodeMirrorMode',['core/ArrayUtilities'], (array) => {
 		const singleAgentToText = {type: 'variable', suggest: 'Agent', then: {
 			'': 0,
 			',': CM_ERROR,
-			':': {type: 'operator', suggest: true, then: {'': textToEnd}},
+			':': colonTextToEnd,
 		}};
 		const agentToOptText = {type: 'variable', suggest: 'Agent', then: {
 			'': 0,
@@ -700,7 +705,7 @@ define('sequence/CodeMirrorMode',['core/ArrayUtilities'], (array) => {
 			};
 		}
 
-		function makeOpBlock(exit) {
+		function makeOpBlock(exit, sourceExit) {
 			const op = {type: 'operator', suggest: true, then: {
 				'+': CM_ERROR,
 				'-': CM_ERROR,
@@ -729,13 +734,13 @@ define('sequence/CodeMirrorMode',['core/ArrayUtilities'], (array) => {
 					}},
 					'': exit,
 				}},
-				'*': {type: 'operator', suggest: true, then: {
+				'*': {type: 'operator', suggest: true, then: Object.assign({
 					'+': op,
 					'-': op,
 					'*': CM_ERROR,
 					'!': CM_ERROR,
 					'': exit,
-				}},
+				}, sourceExit)},
 				'!': op,
 				'': exit,
 			};
@@ -745,7 +750,10 @@ define('sequence/CodeMirrorMode',['core/ArrayUtilities'], (array) => {
 			const connect = {
 				type: 'keyword',
 				suggest: true,
-				then: makeOpBlock(agentToOptText),
+				then: makeOpBlock(agentToOptText, {
+					':': colonTextToEnd,
+					'\n': hiddenEnd,
+				}),
 			};
 
 			const then = {'': 0};
@@ -756,7 +764,10 @@ define('sequence/CodeMirrorMode',['core/ArrayUtilities'], (array) => {
 				override: 'Label',
 				then: {},
 			};
-			return makeOpBlock({type: 'variable', suggest: 'Agent', then});
+			return makeOpBlock(
+				{type: 'variable', suggest: 'Agent', then},
+				then
+			);
 		}
 
 		const BASE_THEN = {
@@ -1597,10 +1608,10 @@ define('sequence/Parser',[
 	})());
 
 	const CONNECT_AGENT_FLAGS = {
-		'*': 'begin',
-		'+': 'start',
-		'-': 'stop',
-		'!': 'end',
+		'*': {flag: 'begin', allowBlankName: true, blankNameFlag: 'source'},
+		'+': {flag: 'start'},
+		'-': {flag: 'stop'},
+		'!': {flag: 'end'},
 	};
 
 	const TERMINATOR_TYPES = [
@@ -1712,7 +1723,7 @@ define('sequence/Parser',[
 		return -1;
 	}
 
-	function readAgentAlias(line, start, end, enableAlias) {
+	function readAgentAlias(line, start, end, {enableAlias, allowBlankName}) {
 		let aliasSep = -1;
 		if(enableAlias) {
 			aliasSep = findToken(line, 'as', start);
@@ -1720,7 +1731,7 @@ define('sequence/Parser',[
 		if(aliasSep === -1 || aliasSep >= end) {
 			aliasSep = end;
 		}
-		if(start >= aliasSep) {
+		if(start >= aliasSep && !allowBlankName) {
 			throw makeError('Missing agent name', errToken(line, start));
 		}
 		return {
@@ -1734,25 +1745,31 @@ define('sequence/Parser',[
 		aliases = false,
 	} = {}) {
 		const flags = [];
+		const blankNameFlags = [];
 		let p = start;
+		let allowBlankName = false;
 		for(; p < end; ++ p) {
 			const token = line[p];
 			const rawFlag = tokenKeyword(token);
 			const flag = flagTypes[rawFlag];
-			if(flag) {
-				if(flags.includes(flag)) {
-					throw makeError('Duplicate agent flag: ' + rawFlag, token);
-				}
-				flags.push(flag);
-			} else {
+			if(!flag) {
 				break;
 			}
+			if(flags.includes(flag.flag)) {
+				throw makeError('Duplicate agent flag: ' + rawFlag, token);
+			}
+			allowBlankName = allowBlankName || Boolean(flag.allowBlankName);
+			flags.push(flag.flag);
+			blankNameFlags.push(flag.blankNameFlag);
 		}
-		const {name, alias} = readAgentAlias(line, p, end, aliases);
+		const {name, alias} = readAgentAlias(line, p, end, {
+			enableAlias: aliases,
+			allowBlankName,
+		});
 		return {
 			name,
 			alias,
-			flags,
+			flags: name ? flags : blankNameFlags,
 		};
 	}
 
@@ -2091,8 +2108,8 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 		equals: (a, b) => {
 			return a.id === b.id;
 		},
-		make: (id, {anchorRight = false} = {}) => {
-			return {id, anchorRight};
+		make: (id, {anchorRight = false, isVirtualSource = false} = {}) => {
+			return {id, anchorRight, isVirtualSource};
 		},
 		indexOf: (list, gAgent) => {
 			return array.indexOf(list, gAgent, GAgent.equals);
@@ -2100,6 +2117,14 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 		hasIntersection: (a, b) => {
 			return array.hasIntersection(a, b, GAgent.equals);
 		},
+		addNearby: (target, reference, item, offset) => {
+			const p = array.indexOf(target, reference, GAgent.equals);
+			if(p === -1) {
+				target.push(item);
+			} else {
+				target.splice(p + offset, 0, item);
+			}
+		},
 	};
 
 	const NOTE_DEFAULT_G_AGENTS = {
@@ -2108,6 +2133,8 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 		'note right': [GAgent.make(']')],
 	};
 
+	const SPECIAL_AGENT_IDS = ['[', ']'];
+
 	const MERGABLE = {
 		'agent begin': {
 			check: ['mode'],
@@ -2282,7 +2309,7 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 			this.activeGroups = new Map();
 			this.gAgents = [];
 			this.labelPattern = null;
-			this.blockCount = 0;
+			this.nextID = 0;
 			this.nesting = [];
 			this.markers = new Set();
 			this.currentSection = null;
@@ -2311,7 +2338,7 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 			this.endGroup = this.endGroup.bind(this);
 		}
 
-		toGAgent({alias, name}) {
+		toGAgent({name, alias, flags}) {
 			if(alias) {
 				if(this.agentAliases.has(name)) {
 					throw new Error(
@@ -2330,7 +2357,9 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 				}
 				this.agentAliases.set(alias, name);
 			}
-			return GAgent.make(this.agentAliases.get(name) || name);
+			return GAgent.make(this.agentAliases.get(name) || name, {
+				isVirtualSource: flags.includes('source'),
+			});
 		}
 
 		addStage(stage, isVisible = true) {
@@ -2366,7 +2395,12 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 		}
 
 		defineGAgents(gAgents) {
-			array.mergeSets(this.currentNest.gAgents, gAgents, GAgent.equals);
+			array.mergeSets(
+				this.currentNest.gAgents,
+				gAgents.filter((gAgent) =>
+					!SPECIAL_AGENT_IDS.includes(gAgent.id)),
+				GAgent.equals
+			);
 			array.mergeSets(this.gAgents, gAgents, GAgent.equals);
 		}
 
@@ -2390,7 +2424,9 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 		validateGAgents(gAgents, {
 			allowGrouped = false,
 			rejectGrouped = false,
+			allowVirtual = false,
 		} = {}) {
+			/* jshint -W074 */ // agent validity checking requires several steps
 			gAgents.forEach((gAgent) => {
 				const state = this.getGAgentState(gAgent);
 				if(state.covered) {
@@ -2404,6 +2440,9 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 				if(state.blocked && (!allowGrouped || state.group === null)) {
 					throw new Error('Duplicate agent name: ' + gAgent.id);
 				}
+				if(!allowVirtual && gAgent.isVirtualSource) {
+					throw new Error('cannot use message source here');
+				}
 				if(gAgent.id.startsWith('__')) {
 					throw new Error(gAgent.id + ' is a reserved name');
 				}
@@ -2497,12 +2536,18 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 			this.replaceGAgentState(rightGAgent, AgentState.LOCKED);
 			this.nesting.push(this.currentNest);
 
-			return {gAgents, stages};
+			return {stages};
 		}
 
 		nextBlockName() {
-			const name = '__BLOCK' + this.blockCount;
-			++ this.blockCount;
+			const name = '__BLOCK' + this.nextID;
+			++ this.nextID;
+			return name;
+		}
+
+		nextVirtualAgentName() {
+			const name = '__' + this.nextID;
+			++ this.nextID;
 			return name;
 		}
 
@@ -2706,9 +2751,13 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 			let ind1 = GAgent.indexOf(this.gAgents, gAgents1[0]);
 			let ind2 = GAgent.indexOf(this.gAgents, gAgents2[0]);
 			if(ind1 === -1) {
-				ind1 = this.gAgents.length;
+				// Virtual sources written as '* -> Ref' will spawn to the left,
+				// not the right (as non-virtual agents would)
+				ind1 = gAgents1[0].isVirtualSource ? -1 : this.gAgents.length;
 			}
 			if(ind2 === -1) {
+				// Virtual and non-virtual agents written as 'Ref -> *' will
+				// spawn to the right
 				ind2 = this.gAgents.length;
 			}
 			if(ind1 === ind2) {
@@ -2755,21 +2804,79 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 			return {beginGAgents, endGAgents, startGAgents, stopGAgents};
 		}
 
+		makeVirtualAgent(anchorRight) {
+			const virtualGAgent = GAgent.make(this.nextVirtualAgentName(), {
+				anchorRight,
+				isVirtualSource: true,
+			});
+			this.replaceGAgentState(virtualGAgent, AgentState.LOCKED);
+			return virtualGAgent;
+		}
+
+		addNearbyAgent(gAgentReference, gAgent, offset) {
+			GAgent.addNearby(
+				this.currentNest.gAgents,
+				gAgentReference,
+				gAgent,
+				offset
+			);
+			GAgent.addNearby(
+				this.gAgents,
+				gAgentReference,
+				gAgent,
+				offset
+			);
+		}
+
+		expandVirtualSourceAgents(gAgents) {
+			if(gAgents[0].isVirtualSource) {
+				if(gAgents[1].isVirtualSource) {
+					throw new Error('Cannot connect found messages');
+				}
+				if(SPECIAL_AGENT_IDS.includes(gAgents[1].id)) {
+					throw new Error(
+						'Cannot connect found messages to special agents'
+					);
+				}
+				const virtualGAgent = this.makeVirtualAgent(true);
+				this.addNearbyAgent(gAgents[1], virtualGAgent, 0);
+				return [virtualGAgent, gAgents[1]];
+			}
+			if(gAgents[1].isVirtualSource) {
+				if(SPECIAL_AGENT_IDS.includes(gAgents[0].id)) {
+					throw new Error(
+						'Cannot connect found messages to special agents'
+					);
+				}
+				const virtualGAgent = this.makeVirtualAgent(false);
+				this.addNearbyAgent(gAgents[0], virtualGAgent, 1);
+				return [gAgents[0], virtualGAgent];
+			}
+			return gAgents;
+		}
+
 		handleConnect({agents, label, options}) {
 			const flags = this.filterConnectFlags(agents);
 
 			let gAgents = agents.map(this.toGAgent);
-			this.validateGAgents(gAgents, {allowGrouped: true});
+			this.validateGAgents(gAgents, {
+				allowGrouped: true,
+				allowVirtual: true,
+			});
 
 			const allGAgents = array.flatMap(gAgents, this.expandGroupedGAgent);
-			this.defineGAgents(allGAgents);
+			this.defineGAgents(allGAgents
+				.filter((gAgent) => !gAgent.isVirtualSource)
+			);
 
 			gAgents = this.expandGroupedGAgentConnection(gAgents);
+			gAgents = this.expandVirtualSourceAgents(gAgents);
 			const agentIDs = gAgents.map((gAgent) => gAgent.id);
 
 			const implicitBeginGAgents = (agents
 				.filter(PAgent.hasFlag('begin', false))
 				.map(this.toGAgent)
+				.filter((gAgent) => !gAgent.isVirtualSource)
 			);
 			this.addStage(this.setGAgentVis(implicitBeginGAgents, true, 'box'));
 
@@ -2866,7 +2973,7 @@ define('sequence/Generator',['core/ArrayUtilities'], (array) => {
 			this.agentAliases.clear();
 			this.activeGroups.clear();
 			this.gAgents.length = 0;
-			this.blockCount = 0;
+			this.nextID = 0;
 			this.nesting.length = 0;
 			this.labelPattern = [{token: 'label'}];
 		}
@@ -3457,6 +3564,7 @@ define('sequence/components/BaseComponent',[],() => {
 			theme,
 			agentInfos,
 			visibleAgentIDs,
+			momentaryAgentIDs,
 			textSizer,
 			addSpacing,
 			addSeparation,
@@ -3469,6 +3577,7 @@ define('sequence/components/BaseComponent',[],() => {
 			theme,
 			agentInfos,
 			visibleAgentIDs,
+			momentaryAgentIDs,
 			textSizer,
 			addSpacing,
 			addSeparation,
@@ -4211,10 +4320,12 @@ define('sequence/components/AgentHighlight',['./BaseComponent'], (BaseComponent)
 });
 
 define('sequence/components/Connect',[
+	'core/ArrayUtilities',
 	'./BaseComponent',
 	'svg/SVGUtilities',
 	'svg/SVGShapes',
 ], (
+	array,
 	BaseComponent,
 	svg,
 	SVGShapes
@@ -4318,6 +4429,18 @@ define('sequence/components/Connect',[
 	];
 
 	class Connect extends BaseComponent {
+		separationPre({agentIDs}, env) {
+			const r = env.theme.connect.source.radius;
+			agentIDs.forEach((id) => {
+				const agentInfo = env.agentInfos.get(id);
+				if(!agentInfo.isVirtualSource) {
+					return;
+				}
+				agentInfo.currentRad = r;
+				agentInfo.currentMaxRad = Math.max(agentInfo.currentMaxRad, r);
+			});
+		}
+
 		separation({label, agentIDs, options}, env) {
 			const config = env.theme.connect;
 
@@ -4359,6 +4482,8 @@ define('sequence/components/Connect',[
 					) * 2
 				);
 			}
+
+			array.mergeSets(env.momentaryAgentIDs, agentIDs);
 		}
 
 		renderSelfConnect({label, agentIDs, options}, env) {
@@ -4436,14 +4561,59 @@ define('sequence/components/Connect',[
 			);
 		}
 
+		renderSimpleLine(x0, x1, options, env) {
+			const dir = (x0 < x1) ? 1 : -1;
+
+			const config = env.theme.connect;
+			const line = config.line[options.line];
+			const lArrow = ARROWHEADS[options.left];
+			const rArrow = ARROWHEADS[options.right];
+
+			const rendered = line.renderFlat(line.attrs, {
+				x1: x0,
+				dx1: lArrow.lineGap(env.theme, line.attrs) * dir,
+				x2: x1,
+				dx2: -rArrow.lineGap(env.theme, line.attrs) * dir,
+				y: env.primaryY,
+			});
+			env.shapeLayer.appendChild(rendered.shape);
+			return rendered;
+		}
+
+		renderSimpleArrowheads(options, renderedLine, env, dir) {
+			const lArrow = ARROWHEADS[options.left];
+			const rArrow = ARROWHEADS[options.right];
+
+			lArrow.render(env.shapeLayer, env.theme, renderedLine.p1, dir);
+			rArrow.render(env.shapeLayer, env.theme, renderedLine.p2, -dir);
+
+			return {lArrow, rArrow};
+		}
+
+		renderVirtualSources(from, to, renderedLine, env) {
+			const config = env.theme.connect.source;
+
+			if(from.isVirtualSource) {
+				env.shapeLayer.appendChild(config.render({
+					x: renderedLine.p1.x - config.radius,
+					y: renderedLine.p1.y,
+					radius: config.radius,
+				}));
+			}
+			if(to.isVirtualSource) {
+				env.shapeLayer.appendChild(config.render({
+					x: renderedLine.p2.x + config.radius,
+					y: renderedLine.p2.y,
+					radius: config.radius,
+				}));
+			}
+		}
+
 		renderSimpleConnect({label, agentIDs, options}, env) {
 			const config = env.theme.connect;
 			const from = env.agentInfos.get(agentIDs[0]);
 			const to = env.agentInfos.get(agentIDs[1]);
 
-			const lArrow = ARROWHEADS[options.left];
-			const rArrow = ARROWHEADS[options.right];
-
 			const dir = (from.x < to.x) ? 1 : -1;
 
 			const height = (
@@ -4469,18 +4639,12 @@ define('sequence/components/Connect',[
 				SVGTextBlockClass: env.SVGTextBlockClass,
 			});
 
-			const line = config.line[options.line];
-			const rendered = line.renderFlat(line.attrs, {
-				x1: x0,
-				dx1: lArrow.lineGap(env.theme, line.attrs) * dir,
-				x2: x1,
-				dx2: -rArrow.lineGap(env.theme, line.attrs) * dir,
-				y,
-			});
-			env.shapeLayer.appendChild(rendered.shape);
-
-			lArrow.render(env.shapeLayer, env.theme, rendered.p1, dir);
-			rArrow.render(env.shapeLayer, env.theme, rendered.p2, -dir);
+			const rendered = this.renderSimpleLine(x0, x1, options, env);
+			const {
+				lArrow,
+				rArrow
+			} = this.renderSimpleArrowheads(options, rendered, env, dir);
+			this.renderVirtualSources(from, to, rendered, env);
 
 			const arrowSpread = Math.max(
 				lArrow.height(env.theme),
@@ -4996,6 +5160,7 @@ define('sequence/Renderer',[
 				theme: this.theme,
 				agentInfos: this.agentInfos,
 				visibleAgentIDs: this.visibleAgentIDs,
+				momentaryAgentIDs: agentIDs,
 				textSizer: this.sizer,
 				addSpacing,
 				addSeparation: this.addSeparation,
@@ -5200,6 +5365,7 @@ define('sequence/Renderer',[
 					id: agent.id,
 					formattedLabel: agent.formattedLabel,
 					anchorRight: agent.anchorRight,
+					isVirtualSource: agent.isVirtualSource,
 					index,
 					x: null,
 					latestYStart: null,
@@ -5906,6 +6072,19 @@ define('sequence/themes/Basic',[
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 2,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 1,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 0,
@@ -6227,6 +6406,19 @@ define('sequence/themes/Monospace',[
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 2,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 1,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 0,
@@ -6547,6 +6739,19 @@ define('sequence/themes/Chunky',[
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 5,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 3,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 1,
@@ -7287,6 +7492,19 @@ define('sequence/themes/Sketch',[
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 1,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 1,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 0,
@@ -7722,7 +7940,7 @@ define('sequence/themes/Sketch',[
 			);
 			return {
 				shape: svg.make('path', Object.assign({'d': ln.nodes}, attrs)),
-				p1: {x: ln.p1.x - dx1, y: ln.p2.y},
+				p1: {x: ln.p1.x - dx1, y: ln.p1.y},
 				p2: {x: ln.p2.x - dx2, y: ln.p2.y},
 			};
 		}
diff --git a/lib/sequence-diagram.min.js b/lib/sequence-diagram.min.js
index 8c18dbd..e9a1173 100644
--- a/lib/sequence-diagram.min.js
+++ b/lib/sequence-diagram.min.js
@@ -1 +1 @@
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begin",blockType:"repeat",tag:"repeat",skip:[]}},u=(()=>{const t=e.combine([[{tok:"",type:0},{tok:"<",type:1},{tok:"<<",type:2}],[{tok:"-",type:"solid"},{tok:"--",type:"dash"},{tok:"~",type:"wave"}],[{tok:"",type:0},{tok:">",type:1},{tok:">>",type:2},{tok:"x",type:3}]]).filter(e=>0!==e[0].type||0!==e[2].type),n=new Map;return t.forEach(e=>{n.set(e.map(e=>e.tok).join(""),{line:e[1].type,left:e[0].type,right:e[2].type})}),n})(),p={"*":"begin","+":"start","-":"stop","!":"end"},f=["none","box","cross","fade","bar"],m={text:{mode:"text",types:{left:{type:"note left",skip:["of"],min:0,max:null},right:{type:"note right",skip:["of"],min:0,max:null}}},note:{mode:"note",types:{over:{type:"note over",skip:[],min:0,max:null},left:{type:"note left",skip:["of"],min:0,max:null},right:{type:"note right",skip:["of"],min:0,max:null},between:{type:"note between",skip:[],min:2,max:null}}},state:{mode:"state",types:{over:{type:"note over",skip:[],min:1,max:1}}}},b={define:{type:"agent define"},begin:{type:"agent begin",mode:"box"},end:{type:"agent end",mode:"cross"}},x=[(e,t)=>"title"!==a(e[0])?null:(t.title=i(e,1),!0),(e,t)=>"theme"!==a(e[0])?null:(t.theme=i(e,1),!0),(e,t)=>{if("terminators"!==a(e[0]))return null;const n=a(e[1]);if(!n)throw r("Unspecified termination",e[0]);if(-1===f.indexOf(n))throw r('Unknown termination "'+n+'"',e[1]);return t.terminators=n,!0},(e,t)=>{if("headers"!==a(e[0]))return null;const n=a(e[1]);if(!n)throw r("Unspecified header",e[0]);if(-1===f.indexOf(n))throw r('Unknown header "'+n+'"',e[1]);return t.headers=n,!0},e=>{if("autolabel"!==a(e[0]))return null;let t=null;return t="off"===a(e[1])?"<label>":i(e,1),{type:"label pattern",pattern:s(t)}},e=>{if("end"===a(e[0])&&1===e.length)return{type:"block end"};const t=c[a(e[0])];if(!t)return null;let n=1;return e.length>n&&(n=o(e,n,t.skip,"Invalid block command")),n=o(e,n,[":"]),{type:t.type,blockType:t.blockType,tag:t.tag,label:i(e,n)}},e=>{if("begin"!==a(e[0])||"reference"!==a(e[1]))return null;let t=[];const n=h(e,":");if("over"===a(e[2])&&n>3)t=g(e,3,n);else if(2!==n)throw r('Expected ":" or "over"',e[2]);const s=d(e,n+1,e.length,{aliases:!0});if(!s.alias)throw r("Reference must have an alias",e[n]);return{type:"group begin",agents:t,blockType:"ref",tag:"ref",label:s.name,alias:s.alias}},e=>{const t=b[a(e[0])];return!t||e.length<=1?null:Object.assign({agents:g(e,1,e.length,{aliases:!0})},t)},t=>{if("simultaneously"!==a(t[0]))return null;if(":"!==a(e.last(t)))return null;let n="";if(t.length>2){if("with"!==a(t[1]))return null;n=i(t,2,t.length-1)}return{type:"async",target:n}},e=>{const t=m[a(e[0])],n=h(e,":");if(!t||-1===n)return null;const s=t.types[a(e[1])];if(!s)return null;let l=2;const d=g(e,l=o(e,l,s.skip),n);if(d.length<s.min)throw r("Too few agents for "+t.mode,e[0]);if(null!==s.max&&d.length>s.max)throw r("Too many agents for "+t.mode,e[0]);return{type:s.type,agents:d,mode:t.mode,label:i(e,n+1)}},e=>{let t=h(e,":");-1===t&&(t=e.length);let n=-1,s=null;for(let t=0;t<e.length;++t){const r=u.get(a(e[t]));if(r){n=t,s=r;break}}if(n<=0||n>=t-1)return null;const r={flagTypes:p};return{type:"connect",agents:[d(e,0,n,r),d(e,n+1,t,r)],label:i(e,t+1),options:s}},t=>t.length<2||":"!==a(e.last(t))?null:{type:"mark",name:i(t,0,t.length-1)}],y=new t;return class{getCodeMirrorMode(){return y.getCodeMirrorMode(Array.from(u.keys()))}parseLines(e){const t={meta:{title:"",theme:"",terminators:"none",headers:"box",textFormatter:n},stages:[]};return e.forEach(e=>(function(e,{meta:t,stages:n}){let s=null;for(let n=0;n<x.length&&!(s=x[n](e,t));++n);if(!s)throw r("Unrecognised command: "+i(e),e[0]);"object"==typeof s&&(s.ln=e[0].b.ln,n.push(s))})(e,t)),t}parse(e){const t=y.tokenise(e),n=y.splitLines(t);return this.parseLines(n)}}}),n("sequence/Generator",["core/ArrayUtilities"],e=>{"use strict";function t(e,t){const n=u[e.type];return!(!n||e.type!==t.type)&&!n.check.some(n=>e[n]!==t[n])}function n(t,n){u[t.type].merge.forEach(s=>{e.mergeSets(t[s],n[s])})}function s(e,t){for(let n=0;n<e.length;){t(e[n],n)?e.splice(n,1):++n}}function r(e){s(e,(s,r)=>{for(let i=0;i<r;++i)if(t(e[i],s))return n(e[i],s),!0;return!1})}function i(e){const t=new Set,n=e.map(({type:e})=>e);return n.forEach(e=>{const s=u[e];s&&n.every(t=>e===t||s.siblings.has(t))&&t.add(e)}),t}function a(e,r,i,a){s(a,s=>{if(!e.has(s.type)||!r.has(s.type))return!1;for(let e=0;e<i.length;++e)if(t(i[e],s))return n(i[e],s),!0;return!1})}function o(e,t){if("agent begin"===e.type)return e.mode=t,!0;if("parallel"===e.type){let n=!1;return e.stages.forEach(e=>{"agent begin"===e.type&&(e.mode=t,n=!0)}),n}return!1}function h(t,n,s,r=null){e.remove(t,n,g.equals),e.remove(t,s,g.equals);let i=0,a=t.length;if(r){const e=r.map(e=>g.indexOf(t,e)).filter(e=>-1!==e);i=e.reduce((e,t)=>Math.min(e,t),t.length),a=e.reduce((e,t)=>Math.max(e,t),i)+1}return t.splice(i,0,n),t.splice(a+1,0,s),{indexL:i,indexR:a+1}}class l{constructor({visible:e=!1,locked:t=!1,blocked:n=!1,highlighted:s=!1,group:r=null,covered:i=!1}={}){this.visible=e,this.locked=t,this.blocked=n,this.highlighted=s,this.group=r,this.covered=i}}l.LOCKED=new l({locked:!0}),l.DEFAULT=new l;const d={equals:(e,t)=>e.name===t.name,hasFlag:(e,t=!0)=>n=>n.flags.includes(e)===t},g={equals:(e,t)=>e.id===t.id,make:(e,{anchorRight:t=!1}={})=>({id:e,anchorRight:t}),indexOf:(t,n)=>e.indexOf(t,n,g.equals),hasIntersection:(t,n)=>e.hasIntersection(t,n,g.equals)},c={"note over":[g.make("["),g.make("]")],"note left":[g.make("[")],"note right":[g.make("]")]},u={"agent begin":{check:["mode"],merge:["agentIDs"],siblings:new Set(["agent highlight"])},"agent end":{check:["mode"],merge:["agentIDs"],siblings:new Set(["agent highlight"])},"agent highlight":{check:["highlighted"],merge:["agentIDs"],siblings:new Set(["agent begin","agent end"])}};return class{constructor(){this.agentStates=new Map,this.agentAliases=new Map,this.activeGroups=new Map,this.gAgents=[],this.labelPattern=null,this.blockCount=0,this.nesting=[],this.markers=new Set,this.currentSection=null,this.currentNest=null,this.stageHandlers={"block begin":this.handleBlockBegin.bind(this),"block split":this.handleBlockSplit.bind(this),"block end":this.handleBlockEnd.bind(this),"group begin":this.handleGroupBegin.bind(this),mark:this.handleMark.bind(this),async:this.handleAsync.bind(this),"agent define":this.handleAgentDefine.bind(this),"agent begin":this.handleAgentBegin.bind(this),"agent end":this.handleAgentEnd.bind(this),"label pattern":this.handleLabelPattern.bind(this),connect:this.handleConnect.bind(this),"note over":this.handleNote.bind(this),"note left":this.handleNote.bind(this),"note right":this.handleNote.bind(this),"note between":this.handleNote.bind(this)},this.expandGroupedGAgent=this.expandGroupedGAgent.bind(this),this.handleStage=this.handleStage.bind(this),this.toGAgent=this.toGAgent.bind(this),this.endGroup=this.endGroup.bind(this)}toGAgent({alias:e,name:t}){if(e){if(this.agentAliases.has(t))throw new Error("Cannot alias "+t+"; it is already an alias");const n=this.agentAliases.get(e);if(n&&n!==e||this.gAgents.some(t=>t.id===e))throw new Error("Cannot use "+e+" as an alias; it is already in use");this.agentAliases.set(e,t)}return g.make(this.agentAliases.get(t)||t)}addStage(e,t=!0){e&&(void 0===e.ln&&(e.ln=this.latestLine),this.currentSection.stages.push(e),t&&(this.currentNest.hasContent=!0))}addParallelStages(e){const t=e.filter(e=>Boolean(e));if(0!==t.length)return 1===t.length?this.addStage(t[0]):(t.forEach(e=>{void 0===e.ln&&(e.ln=this.latestLine)}),this.addStage({type:"parallel",stages:t}))}defineGAgents(t){e.mergeSets(this.currentNest.gAgents,t,g.equals),e.mergeSets(this.gAgents,t,g.equals)}getGAgentState(e){return this.agentStates.get(e.id)||l.DEFAULT}updateGAgentState(e,t){const n=this.agentStates.get(e.id);n?Object.assign(n,t):this.agentStates.set(e.id,new l(t))}replaceGAgentState(e,t){this.agentStates.set(e.id,t)}validateGAgents(e,{allowGrouped:t=!1,rejectGrouped:n=!1}={}){e.forEach(e=>{const s=this.getGAgentState(e);if(s.covered)throw new Error("Agent "+e.id+" is hidden behind group");if(n&&null!==s.group)throw new Error("Agent "+e.id+" is in a group");if(s.blocked&&(!t||null===s.group))throw new Error("Duplicate agent name: "+e.id);if(e.id.startsWith("__"))throw new Error(e.id+" is a reserved name")})}setGAgentVis(e,t,n,s=!1){const r=new Set,i=e.filter(e=>{if(r.has(e.id))return!1;r.add(e.id);const n=this.getGAgentState(e);if(n.locked||n.blocked){if(s)throw new Error("Cannot begin/end agent: "+e.id);return!1}return n.visible!==t});return 0===i.length?null:(i.forEach(e=>{this.updateGAgentState(e,{visible:t})}),this.defineGAgents(i),{type:t?"agent begin":"agent end",agentIDs:i.map(e=>e.id),mode:n})}setGAgentHighlight(e,t,n=!1){const s=e.filter(e=>{const s=this.getGAgentState(e);if(s.locked||s.blocked){if(n)throw new Error("Cannot highlight agent: "+e.id);return!1}return s.visible&&s.highlighted!==t});return 0===s.length?null:(s.forEach(e=>{this.updateGAgentState(e,{highlighted:t})}),{type:"agent highlight",agentIDs:s.map(e=>e.id),highlighted:t})}beginNested(e,{tag:t,label:n,name:s,ln:r}){const i=g.make(s+"[",{anchorRight:!0}),a=g.make(s+"]"),o=[i,a],h=[];return this.currentSection={header:{type:"block begin",blockType:e,tag:this.textFormatter(t),label:this.textFormatter(n),left:i.id,right:a.id,ln:r},stages:h},this.currentNest={blockType:e,gAgents:o,leftGAgent:i,rightGAgent:a,hasContent:!1,sections:[this.currentSection]},this.replaceGAgentState(i,l.LOCKED),this.replaceGAgentState(a,l.LOCKED),this.nesting.push(this.currentNest),{gAgents:o,stages:h}}nextBlockName(){const e="__BLOCK"+this.blockCount;return++this.blockCount,e}handleBlockBegin({ln:e,blockType:t,tag:n,label:s}){this.beginNested(t,{tag:n,label:s,name:this.nextBlockName(),ln:e})}handleBlockSplit({ln:e,blockType:t,tag:n,label:s}){if("if"!==this.currentNest.blockType)throw new Error('Invalid block nesting ("else" inside '+this.currentNest.blockType+")");this.currentSection={header:{type:"block split",blockType:t,tag:this.textFormatter(n),label:this.textFormatter(s),left:this.currentNest.leftGAgent.id,right:this.currentNest.rightGAgent.id,ln:e},stages:[]},this.currentNest.sections.push(this.currentSection)}handleBlockEnd(){if(this.nesting.length<=1)throw new Error('Invalid block nesting (too many "end"s)');const t=this.nesting.pop();if(this.currentNest=e.last(this.nesting),this.currentSection=e.last(this.currentNest.sections),!t.hasContent)throw new Error("Empty block");this.defineGAgents(t.gAgents),h(this.gAgents,t.leftGAgent,t.rightGAgent,t.gAgents),t.sections.forEach(e=>{this.currentSection.stages.push(e.header),this.currentSection.stages.push(...e.stages)}),this.addStage({type:"block end",left:t.leftGAgent.id,right:t.rightGAgent.id})}makeGroupDetails(t,n){const s=t.map(this.toGAgent);if(this.validateGAgents(s,{rejectGrouped:!0}),this.agentStates.has(n))throw new Error("Duplicate agent name: "+n);const r=this.nextBlockName(),i=g.make(r+"[",{anchorRight:!0}),a=g.make(r+"]");this.replaceGAgentState(i,l.LOCKED),this.replaceGAgentState(a,l.LOCKED),this.updateGAgentState(g.make(n),{blocked:!0,group:n}),this.defineGAgents(s);const{indexL:o,indexR:d}=h(this.gAgents,i,a,s),c=[],u=s.slice();for(let e=o+1;e<d;++e)c.push(this.gAgents[e]);return e.removeAll(c,u,g.equals),{gAgents:s,leftGAgent:i,rightGAgent:a,gAgentsContained:u,gAgentsCovered:c}}handleGroupBegin({agents:e,blockType:t,tag:n,label:s,alias:r}){const i=this.makeGroupDetails(e,r);i.gAgentsContained.forEach(e=>{this.updateGAgentState(e,{group:r})}),i.gAgentsCovered.forEach(e=>{this.updateGAgentState(e,{covered:!0})}),this.activeGroups.set(r,i),this.addStage(this.setGAgentVis(i.gAgents,!0,"box")),this.addStage({type:"block begin",blockType:t,tag:this.textFormatter(n),label:this.textFormatter(s),left:i.leftGAgent.id,right:i.rightGAgent.id})}endGroup({name:e}){const t=this.activeGroups.get(e);return t?(this.activeGroups.delete(e),t.gAgentsContained.forEach(e=>{this.updateGAgentState(e,{group:null})}),t.gAgentsCovered.forEach(e=>{this.updateGAgentState(e,{covered:!1})}),this.updateGAgentState(g.make(e),{group:null}),{type:"block end",left:t.leftGAgent.id,right:t.rightGAgent.id}):null}handleMark({name:e}){this.markers.add(e),this.addStage({type:"mark",name:e},!1)}handleAsync({target:e}){if(""!==e&&!this.markers.has(e))throw new Error("Unknown marker: "+e);this.addStage({type:"async",target:e},!1)}handleLabelPattern({pattern:e}){this.labelPattern=e.slice();for(let e=0;e<this.labelPattern.length;++e){const t=this.labelPattern[e];"object"==typeof t&&void 0!==t.start&&(this.labelPattern[e]=Object.assign({current:t.start},t))}}applyLabelPattern(e){let t="";const n={label:e};return this.labelPattern.forEach(e=>{"string"==typeof e?t+=e:void 0!==e.token?t+=n[e.token]:void 0!==e.current&&(t+=e.current.toFixed(e.dp),e.current+=e.inc)}),t}expandGroupedGAgent(e){const t=this.getGAgentState(e).group;if(!t)return[e];const n=this.activeGroups.get(t);return[n.leftGAgent,n.rightGAgent]}expandGroupedGAgentConnection(t){const n=this.expandGroupedGAgent(t[0]),s=this.expandGroupedGAgent(t[1]);let r=g.indexOf(this.gAgents,n[0]),i=g.indexOf(this.gAgents,s[0]);return-1===r&&(r=this.gAgents.length),-1===i&&(i=this.gAgents.length),r===i?[e.last(n),e.last(s)]:r<i?[e.last(n),s[0]]:[n[0],e.last(s)]}filterConnectFlags(t){const n=t.filter(d.hasFlag("begin")).map(this.toGAgent),s=t.filter(d.hasFlag("end")).map(this.toGAgent);if(g.hasIntersection(n,s))throw new Error("Cannot set agent visibility multiple times");const r=t.filter(d.hasFlag("start")).map(this.toGAgent),i=t.filter(d.hasFlag("stop")).map(this.toGAgent);if(e.mergeSets(i,s),g.hasIntersection(r,i))throw new Error("Cannot set agent highlighting multiple times");return this.validateGAgents(n),this.validateGAgents(s),this.validateGAgents(r),this.validateGAgents(i),{beginGAgents:n,endGAgents:s,startGAgents:r,stopGAgents:i}}handleConnect({agents:t,label:n,options:s}){const r=this.filterConnectFlags(t);let i=t.map(this.toGAgent);this.validateGAgents(i,{allowGrouped:!0});const a=e.flatMap(i,this.expandGroupedGAgent);this.defineGAgents(a);const o=(i=this.expandGroupedGAgentConnection(i)).map(e=>e.id),h=t.filter(d.hasFlag("begin",!1)).map(this.toGAgent);this.addStage(this.setGAgentVis(h,!0,"box"));const l={type:"connect",agentIDs:o,label:this.textFormatter(this.applyLabelPattern(n)),options:s};this.addParallelStages([this.setGAgentVis(r.beginGAgents,!0,"box",!0),this.setGAgentHighlight(r.startGAgents,!0,!0),l,this.setGAgentHighlight(r.stopGAgents,!1,!0),this.setGAgentVis(r.endGAgents,!1,"cross",!0)])}handleNote({type:t,agents:n,mode:s,label:r}){let i=null;i=0===n.length?c[t]||[]:n.map(this.toGAgent),this.validateGAgents(i,{allowGrouped:!0});const a=(i=e.flatMap(i,this.expandGroupedGAgent)).map(e=>e.id),o=new Set(a).size;if("note between"===t&&o<2)throw new Error("note between requires at least 2 agents");this.addStage(this.setGAgentVis(i,!0,"box")),this.defineGAgents(i),this.addStage({type:t,agentIDs:a,mode:s,label:this.textFormatter(r)})}handleAgentDefine({agents:e}){const t=e.map(this.toGAgent);this.validateGAgents(t),this.defineGAgents(t)}handleAgentBegin({agents:e,mode:t}){const n=e.map(this.toGAgent);this.validateGAgents(n),this.addStage(this.setGAgentVis(n,!0,t,!0))}handleAgentEnd({agents:e,mode:t}){const n=e.filter(e=>this.activeGroups.has(e.name)),s=e.filter(e=>!this.activeGroups.has(e.name)).map(this.toGAgent);this.validateGAgents(s),this.addParallelStages([this.setGAgentHighlight(s,!1),this.setGAgentVis(s,!1,t,!0),...n.map(this.endGroup)])}handleStage(e){this.latestLine=e.ln;try{const t=this.stageHandlers[e.type];if(!t)throw new Error("Unknown command: "+e.type);t(e)}catch(t){if("object"==typeof t&&t.message)throw t.message+=" at line "+(e.ln+1),t}}_reset(){this.agentStates.clear(),this.markers.clear(),this.agentAliases.clear(),this.activeGroups.clear(),this.gAgents.length=0,this.blockCount=0,this.nesting.length=0,this.labelPattern=[{token:"label"}]}_finalise(e){h(this.gAgents,this.currentNest.leftGAgent,this.currentNest.rightGAgent),function(e){let t=[],n=new Set;for(let s=0;s<e.length;){const o=e[s];let h=null;r(h="parallel"===o.type?o.stages:[o]);const l=i(h);a(n,l,t,h),0===h.length?e.splice(s,1):("parallel"===o.type&&1===h.length&&e.splice(s,1,h[0]),n=l,t=h,++s)}}(e.stages),this.gAgents.forEach(e=>{e.formattedLabel=this.textFormatter(e.id)})}generate({stages:e,meta:t={}}){this._reset(),this.textFormatter=t.textFormatter;const n=this.beginNested("global",{tag:"",label:"",name:"",ln:0});if(e.forEach(this.handleStage),1!==this.nesting.length)throw new Error("Unterminated section at line "+(this.currentSection.header.ln+1));if(this.activeGroups.size>0)throw new Error("Unterminated group");const s=t.terminators||"none";return this.addParallelStages([this.setGAgentHighlight(this.gAgents,!1),this.setGAgentVis(this.gAgents,!1,s)]),this._finalise(n),function(e,t){for(let n=0;n<e.length&&!o(e[n],t);++n);}(n.stages,t.headers||"box"),{meta:{title:this.textFormatter(t.title),theme:t.theme},agents:this.gAgents.slice(),stages:n.stages}}}}),n("svg/SVGUtilities",[],()=>{"use strict";function e(e,n={}){const s=document.createElementNS(t,e);for(let e in n)n.hasOwnProperty(e)&&s.setAttribute(e,n[e]);return s}const t="http://www.w3.org/2000/svg";return{makeText:function(e=""){return document.createTextNode(e)},make:e,makeContainer:function(n={}){return e("svg",Object.assign({xmlns:t,version:"1.1"},n))},empty:function(e){for(;e.childNodes.length>0;)e.removeChild(e.lastChild)}}}),n("svg/SVGTextBlock",["./SVGUtilities"],e=>{"use strict";function t(e){const t=Number(e["font-size"]);return{size:t,lineHeight:t*(Number(e["line-height"])||1)}}function n(t,n){if(!Array.isArray(n))throw new 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Map}measure(s,r){if(!r||!r.length)return{width:0,height:0};if(!Array.isArray(r))throw new Error("Invalid formatted text: "+r);let i=this.cache.get(s);i||(i=e.make("text",s),this.testers.appendChild(i),this.cache.set(s,i)),this.testers.parentNode||this.container.appendChild(this.testers);let a=0;return r.forEach(t=>{e.empty(i),n(i,t),a=Math.max(a,i.getComputedTextLength())}),{width:a,height:r.length*t(s).lineHeight}}measureHeight(e,n){if(!n)return 0;if(!Array.isArray(n))throw new Error("Invalid formatted text: "+n);return n.length*t(e).lineHeight}resetCache(){e.empty(this.testers),this.cache.clear()}detach(){this.testers.parentNode&&this.container.removeChild(this.testers)}}return i.SizeTester=a,i}),n("svg/PatternedLine",[],()=>{"use strict";return class{constructor(e=null,t=0){this.pattern=e,this.dw=e&&e.partWidth,this.points=[],this.phase=t,this.x=null,this.y=null,this.disconnect=0}_nextDelta(){return this.pattern.getDelta(this.phase++)}_link(){2===this.disconnect&&(this.points.push(this.x+" "+this.y),this.disconnect=0)}cap(){return this.disconnect>0&&(this.points.push(this.x+" "+this.y),this.disconnect=0),this}move(e,t){return this.cap(),this.x=e,this.y=t,this.disconnect=2,this}line(e,t){if(this.pattern){const n=Math.sqrt((e-this.x)*(e-this.x)+(t-this.y)*(t-this.y)),s=(e-this.x)/n,r=(t-this.y)/n,i=-r,a=s;for(let e=0;e+this.dw<=n;e+=this.dw){const t=this._nextDelta();this.points.push(this.x+e*s+t*i+" "+(this.y+e*r+t*a))}this.disconnect=1}else this._link(),this.disconnect=2;return this.x=e,this.y=t,this}arc(e,t,n){const s=Math.sqrt((e-this.x)*(e-this.x)+(t-this.y)*(t-this.y)),r=Math.atan2(e-this.x,t-this.y),i=e+Math.sin(r+n)*s,a=t-Math.cos(r+n)*s;if(this.pattern){const i=n<0?1:-1,a=this.dw/s;for(let o=r;o+a<=r+n;o+=a){const n=this._nextDelta()*i;this.points.push(e+Math.sin(o)*(s+n)+" "+(t-Math.cos(o)*(s+n)))}this.disconnect=1}else this.points.push(this.x+" "+this.y+"A"+s+" "+s+" 0 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s=0,r=e;switch(o["text-anchor"]){case"middle":s=.5,r+=(n.left-n.right)/2;break;case"end":s=1,r-=n.right;break;default:s=0,r+=n.left}return{shift:s,anchorX:r}}(n,0,i),p=new g(l,{attrs:o,formatted:e,x:u,y:r+i.top}),f=p.width+i.left+i.right,m=p.height+i.top+i.bottom;let b=null;return b=d?d({x:u-p.width*c-i.left,y:r,width:f,height:m}):s(a,{x:u-p.width*c-i.left,y:r,width:f,height:m}),h===l?h.insertBefore(b,p.firstLine()):h.appendChild(b),{width:f,height:m,label:p,box:b}},TextBlock:t,PatternedLine:n}}),n("sequence/components/BaseComponent",[],()=>{"use strict";class e{makeState(){}resetState(e){this.makeState(e)}separationPre(){}separation(){}renderPre(){}render(){}}e.cleanRenderPreResult=(({topShift:e=0,agentIDs:t=[],asynchronousY:n=null}={},s=null)=>({topShift:e,agentIDs:t,asynchronousY:null!==n?n:s}));const t=new Map;return e.register=((e,n)=>{t.set(e,n)}),e.getComponents=(()=>t),e}),n("sequence/components/Block",["./BaseComponent","core/ArrayUtilities","svg/SVGUtilities","svg/SVGShapes"],(e,t,n,s)=>{"use strict";class r extends e{separation({left:e,right:t,tag:n,label:s},r){const i=r.state.blocks.get(e),a=r.theme.getBlock(i.type).section,o=r.textSizer.measure(a.tag.labelAttrs,n).width+a.tag.padding.left+a.tag.padding.right+r.textSizer.measure(a.label.labelAttrs,s).width+a.label.padding.left+a.label.padding.right;r.addSeparation(e,t,o)}renderPre({left:e,right:t}){return{agentIDs:[e,t]}}render({left:e,right:t,tag:r,label:i},a,o=!1){const h=a.state.blocks.get(e),l=a.theme.getBlock(h.type),d=a.agentInfos.get(e),g=a.agentInfos.get(t);let c=a.primaryY;o||(c+=l.section.padding.bottom);const u=a.makeRegion(),p=s.renderBoxedText(r,{x:d.x,y:c,padding:l.section.tag.padding,boxAttrs:l.section.tag.boxAttrs,boxRenderer:l.section.tag.boxRenderer,labelAttrs:l.section.tag.labelAttrs,boxLayer:h.hold,labelLayer:u,SVGTextBlockClass:a.SVGTextBlockClass}),f=s.renderBoxedText(i,{x:d.x+p.width,y:c,padding:l.section.label.padding,boxAttrs:{fill:"#000000"},labelAttrs:l.section.label.labelAttrs,boxLayer:a.maskLayer,labelLayer:u,SVGTextBlockClass:a.SVGTextBlockClass}),m=Math.max(p.height,f.height);return u.insertBefore(n.make("rect",{x:d.x,y:c,width:g.x-d.x,height:m,fill:"transparent"}),u.firstChild),o||h.hold.appendChild(l.sepRenderer({x1:d.x,y1:c,x2:g.x,y2:c})),c+m+l.section.padding.top}}class i extends r{makeState(e){e.blocks=new Map}resetState(e){e.blocks.clear()}storeBlockInfo(e,t){const n={type:e.blockType,hold:null,startY:null};return t.state.blocks.set(e.left,n),n}separationPre(e,t){this.storeBlockInfo(e,t)}separation(e,n){t.mergeSets(n.visibleAgentIDs,[e.left,e.right]),super.separation(e,n)}renderPre(e,t){const n=this.storeBlockInfo(e,t),s=t.theme.getBlock(n.type);return{agentIDs:[e.left,e.right],topShift:s.margin.top}}render(e,t){const s=n.make("g");t.blockLayer.appendChild(s);const r=t.state.blocks.get(e.left);return r.hold=s,r.startY=t.primaryY,super.render(e,t,!0)}}class a extends e{separation({left:e,right:n},s){t.removeAll(s.visibleAgentIDs,[e,n])}renderPre({left:e,right:t},n){const s=n.state.blocks.get(e);return{agentIDs:[e,t],topShift:n.theme.getBlock(s.type).section.padding.bottom}}render({left:e,right:t},n){const s=n.state.blocks.get(e),r=n.theme.getBlock(s.type),i=n.agentInfos.get(e),a=n.agentInfos.get(t);return s.hold.appendChild(r.boxRenderer({x:i.x,y:s.startY,width:a.x-i.x,height:n.primaryY-s.startY})),n.primaryY+r.margin.bottom+n.theme.actionMargin}}return e.register("block begin",new i),e.register("block split",new r),e.register("block end",new a),{BlockBegin:i,BlockSplit:r,BlockEnd:a}}),n("sequence/components/Parallel",["./BaseComponent","core/ArrayUtilities"],(e,t)=>{"use strict";function n(e,n){return t.mergeSets(e.agentIDs,n.agentIDs),{topShift:Math.max(e.topShift,n.topShift),agentIDs:e.agentIDs,asynchronousY:function(e=null,t=null){return null===e?t:null===t?e:Math.max(e,t)}(e.asynchronousY,n.asynchronousY)}}class s extends e{separationPre(e,t){e.stages.forEach(e=>{t.components.get(e.type).separationPre(e,t)})}separation(e,t){e.stages.forEach(e=>{t.components.get(e.type).separation(e,t)})}renderPre(t,s){return t.stages.map(t=>{const n=s.components.get(t.type).renderPre(t,s);return e.cleanRenderPreResult(n)}).reduce(n,{topShift:0,agentIDs:[],asynchronousY:null})}render(e,t){const n=t.makeRegion;let s=0;return e.stages.forEach(e=>{t.makeRegion=((t,s=null)=>n(t,s||e));const r=t.components.get(e.type).render(e,t)||0;s=Math.max(s,r)}),t.makeRegion=n,s}}return e.register("parallel",new s),s}),n("sequence/components/Marker",["./BaseComponent"],e=>{"use strict";class t extends e{makeState(e){e.marks=new Map}resetState(e){e.marks.clear()}render({name:e},{topY:t,state:n}){n.marks.set(e,t)}}class n extends e{renderPre({target:e},{state:t}){let n=0;return e&&t.marks&&(n=t.marks.get(e)||0),{asynchronousY:n}}}return e.register("mark",new t),e.register("async",new n),{Mark:t,Async:n}}),n("sequence/components/AgentCap",["./BaseComponent","core/ArrayUtilities","svg/SVGUtilities","svg/SVGShapes"],(e,t,n,s)=>{"use strict";class r{separation({formattedLabel:e},t){const n=t.theme.agentCap.box,s=t.textSizer.measure(n.labelAttrs,e).width+n.padding.left+n.padding.right;return{left:s/2,right:s/2,radius:s/2}}topShift({formattedLabel:e},t){const n=t.theme.agentCap.box,s=t.textSizer.measureHeight(n.labelAttrs,e)+n.padding.top+n.padding.bottom;return Math.max(0,s-n.arrowBottom)}render(e,{x:t,formattedLabel:r},i){const a=i.theme.agentCap.box,o=i.makeRegion(),{width:h,height:l}=s.renderBoxedText(r,{x:t,y:e,padding:a.padding,boxAttrs:a.boxAttrs,boxRenderer:a.boxRenderer,labelAttrs:a.labelAttrs,boxLayer:i.shapeLayer,labelLayer:o,SVGTextBlockClass:i.SVGTextBlockClass});return o.insertBefore(n.make("rect",{x:t-h/2,y:e,width:h,height:l,fill:"transparent"}),o.firstChild),{lineTop:0,lineBottom:l,height:l}}}class i{separation(e,t){const n=t.theme.agentCap.cross;return{left:n.size/2,right:n.size/2,radius:0}}topShift(e,t){return t.theme.agentCap.cross.size/2}render(e,{x:t},s){const r=s.theme.agentCap.cross,i=r.size/2;return s.shapeLayer.appendChild(r.render({x:t,y:e+i,radius:i})),s.makeRegion().appendChild(n.make("rect",{x:t-i,y:e,width:2*i,height:2*i,fill:"transparent"})),{lineTop:i,lineBottom:i,height:2*i}}}class a{separation({formattedLabel:e},t){const n=t.theme.agentCap.box,s=t.textSizer.measure(n.labelAttrs,e).width+n.padding.left+n.padding.right;return{left:s/2,right:s/2,radius:s/2}}topShift(e,t){return t.theme.agentCap.bar.height/2}render(e,{x:t,formattedLabel:s},r){const i=r.theme.agentCap.box,a=r.theme.agentCap.bar,o=r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right,h=a.height;return r.shapeLayer.appendChild(a.render({x:t-o/2,y:e,width:o,height:h})),r.makeRegion().appendChild(n.make("rect",{x:t-o/2,y:e,width:o,height:h,fill:"transparent"})),{lineTop:0,lineBottom:h,height:h}}}class o{separation({currentRad:e}){return{left:e,right:e,radius:e}}topShift(e,t,n){const s=t.theme.agentCap.fade;return n?s.height:0}render(e,{x:t},s,r){const i=s.theme.agentCap.fade,a=i.height/(i.height+i.extend),o=s.addDef(r?"FadeIn":"FadeOut",()=>{const e=n.make("linearGradient",{x1:"0%",y1:r?"100%":"0%",x2:"0%",y2:r?"0%":"100%"});return e.appendChild(n.make("stop",{offset:"0%","stop-color":"#FFFFFF"})),e.appendChild(n.make("stop",{offset:(100*a).toFixed(3)+"%","stop-color":"#000000"})),e});return s.maskLayer.appendChild(n.make("rect",{x:t-i.width/2,y:e-(r?i.extend:0),width:i.width,height:i.height+i.extend,fill:"url(#"+o+")"})),s.makeRegion().appendChild(n.make("rect",{x:t-i.width/2,y:e,width:i.width,height:i.height,fill:"transparent"})),{lineTop:i.height,lineBottom:0,height:i.height}}}class h{separation({currentRad:e}){return{left:e,right:e,radius:e}}topShift(e,t){return t.theme.agentCap.none.height}render(e,{x:t},s){const r=s.theme.agentCap.none;return s.makeRegion().appendChild(n.make("rect",{x:t-5,y:e,width:10,height:r.height,fill:"transparent"})),{lineTop:r.height,lineBottom:0,height:r.height}}}const l={box:new r,cross:new i,bar:new a,fade:new o,none:new h};class d extends e{constructor(e){super(),this.begin=e}separationPre({mode:e,agentIDs:t},n){t.forEach(t=>{const s=n.agentInfos.get(t),r=l[e].separation(s,n,this.begin);n.addSpacing(t,r),s.currentMaxRad=Math.max(s.currentMaxRad,r.radius)})}separation({mode:e,agentIDs:n},s){this.begin?t.mergeSets(s.visibleAgentIDs,n):t.removeAll(s.visibleAgentIDs,n)}renderPre({mode:e,agentIDs:t},n){let s=0;return t.forEach(t=>{const r=n.agentInfos.get(t),i=l[e],a=i.topShift(r,n,this.begin);s=Math.max(s,a);const o=i.separation(r,n,this.begin).radius;r.currentMaxRad=Math.max(r.currentMaxRad,o)}),{agentIDs:t,topShift:s}}render({mode:e,agentIDs:t},n){let s=0;return t.forEach(t=>{const r=n.agentInfos.get(t),i=l[e],a=i.topShift(r,n,this.begin),o=n.primaryY-a,h=i.render(o,r,n,this.begin);s=Math.max(s,o+h.height),this.begin?n.drawAgentLine(t,o+h.lineBottom):n.drawAgentLine(t,o+h.lineTop,!0)}),s+n.theme.actionMargin}}return e.register("agent begin",new d(!0)),e.register("agent end",new d(!1)),d}),n("sequence/components/AgentHighlight",["./BaseComponent"],e=>{"use strict";class t extends e{radius(e,t){return e?t.theme.agentLineHighlightRadius:0}separationPre({agentIDs:e,highlighted:t},n){const s=this.radius(t,n);e.forEach(e=>{const t=n.agentInfos.get(e);t.currentRad=s,t.currentMaxRad=Math.max(t.currentMaxRad,s)})}renderPre({agentIDs:e,highlighted:t},n){const s=this.radius(t,n);e.forEach(e=>{const t=n.agentInfos.get(e);t.currentMaxRad=Math.max(t.currentMaxRad,s)})}render({agentIDs:e,highlighted:t},n){const s=this.radius(t,n);return e.forEach(e=>{n.drawAgentLine(e,n.primaryY),n.agentInfos.get(e).currentRad=s}),n.primaryY+n.theme.actionMargin}}return e.register("agent highlight",new t),t}),n("sequence/components/Connect",["./BaseComponent","svg/SVGUtilities","svg/SVGShapes"],(e,t,n)=>{"use strict";class s{constructor(e){this.propName=e}getConfig(e){return e.connect.arrow[this.propName]}short(e){const t=this.getConfig(e),n=t.attrs["stroke-linejoin"]||"miter",s=.5*t.attrs["stroke-width"],r=.5*e.agentLineAttrs["stroke-width"];if("round"===n)return r+s;{const e=t.height/2,n=t.width;return r+s*Math.sqrt(n*n/(e*e)+1)}}render(e,t,n,s){const r=this.getConfig(t);e.appendChild(r.render(r.attrs,{x:n.x+this.short(t)*s,y:n.y,dx:r.width*s,dy:r.height/2}))}width(e){return this.short(e)+this.getConfig(e).width}height(e){return this.getConfig(e).height}lineGap(e,t){const n=this.getConfig(e),s=this.short(e);if("none"===n.attrs.fill){const e=n.height/2,r=n.width;return(s+(s+t["stroke-width"]/2*(r/e)))/2}return s+n.width/2}}class r{getConfig(e){return e.connect.arrow.cross}render(e,t,n,s){const r=this.getConfig(t);e.appendChild(r.render({x:n.x+r.short*s,y:n.y,radius:r.radius}))}width(e){const t=this.getConfig(e);return t.short+t.radius}height(e){return 2*this.getConfig(e).radius}lineGap(e){return this.getConfig(e).short}}const i=[{render:()=>{},width:()=>0,height:()=>0,lineGap:()=>0},new s("single"),new s("double"),new r];class a extends e{separation({label:e,agentIDs:t,options:n},s){const r=s.theme.connect,a=i[n.left],o=i[n.right];let h=s.textSizer.measure(r.label.attrs,e).width;h>0&&(h+=2*r.label.padding);const l=s.agentInfos.get(t[0]);if(t[0]===t[1])s.addSpacing(t[0],{left:0,right:l.currentMaxRad+Math.max(h+a.width(s.theme),o.width(s.theme))+r.loopbackRadius});else{const e=s.agentInfos.get(t[1]);s.addSeparation(t[0],t[1],l.currentMaxRad+e.currentMaxRad+h+2*Math.max(a.width(s.theme),o.width(s.theme)))}}renderSelfConnect({label:e,agentIDs:s,options:r},a){const o=a.theme.connect,h=a.agentInfos.get(s[0]),l=i[r.left],d=i[r.right],g=e?a.textSizer.measureHeight(o.label.attrs,e)+o.label.margin.top+o.label.margin.bottom:0,c=h.x+h.currentMaxRad,u=a.primaryY,p=c+l.width(a.theme)+(e?o.label.padding:0),f=a.makeRegion(),m=n.renderBoxedText(e,{x:p-o.mask.padding.left,y:u-g+o.label.margin.top,padding:o.mask.padding,boxAttrs:{fill:"#000000"},labelAttrs:o.label.loopbackAttrs,boxLayer:a.maskLayer,labelLayer:f,SVGTextBlockClass:a.SVGTextBlockClass}),b=e?m.width+o.label.padding-o.mask.padding.left-o.mask.padding.right:0,x=o.loopbackRadius,y=Math.max(c+d.width(a.theme),p+b),k=u+2*x,w=o.line[r.line],A=w.renderRev(w.attrs,{xL:c,dx1:l.lineGap(a.theme,w.attrs),dx2:d.lineGap(a.theme,w.attrs),y1:u,y2:k,xR:y});a.shapeLayer.appendChild(A.shape),l.render(a.shapeLayer,a.theme,A.p1,1),d.render(a.shapeLayer,a.theme,A.p2,1);const v=Math.max(g,l.height(a.theme)/2),S=d.height(a.theme)/2;return f.insertBefore(t.make("rect",{x:c,y:u-v,width:y+x-c,height:v+2*x+S,fill:"transparent"}),f.firstChild),k+Math.max(S+a.theme.minActionMargin,a.theme.actionMargin)}renderSimpleConnect({label:e,agentIDs:s,options:r},a){const o=a.theme.connect,h=a.agentInfos.get(s[0]),l=a.agentInfos.get(s[1]),d=i[r.left],g=i[r.right],c=h.x<l.x?1:-1,u=a.textSizer.measureHeight(o.label.attrs,e)+o.label.margin.top+o.label.margin.bottom,p=h.x+h.currentMaxRad*c,f=l.x-l.currentMaxRad*c,m=a.primaryY,b=a.makeRegion();n.renderBoxedText(e,{x:(p+f)/2,y:m-u+o.label.margin.top,padding:o.mask.padding,boxAttrs:{fill:"#000000"},labelAttrs:o.label.attrs,boxLayer:a.maskLayer,labelLayer:b,SVGTextBlockClass:a.SVGTextBlockClass});const x=o.line[r.line],y=x.renderFlat(x.attrs,{x1:p,dx1:d.lineGap(a.theme,x.attrs)*c,x2:f,dx2:-g.lineGap(a.theme,x.attrs)*c,y:m});a.shapeLayer.appendChild(y.shape),d.render(a.shapeLayer,a.theme,y.p1,c),g.render(a.shapeLayer,a.theme,y.p2,-c);const k=Math.max(d.height(a.theme),g.height(a.theme))/2;return b.insertBefore(t.make("rect",{x:Math.min(p,f),y:m-Math.max(u,k),width:Math.abs(f-p),height:Math.max(u,k)+k,fill:"transparent"}),b.firstChild),m+Math.max(k+a.theme.minActionMargin,a.theme.actionMargin)}renderPre({label:e,agentIDs:t,options:n},s){const r=s.theme.connect,a=i[n.left],o=i[n.right],h=s.textSizer.measureHeight(r.label.attrs,e)+r.label.margin.top+r.label.margin.bottom;let l=a.height(s.theme);return t[0]!==t[1]&&(l=Math.max(l,o.height(s.theme))),{agentIDs:t,topShift:Math.max(l/2,h)}}render(e,t){return e.agentIDs[0]===e.agentIDs[1]?this.renderSelfConnect(e,t):this.renderSimpleConnect(e,t)}}return e.register("connect",new a),a}),n("sequence/components/Note",["./BaseComponent","svg/SVGUtilities"],(e,t)=>{"use strict";function n(e,t){let n=null,s=null;return t.forEach(t=>{const r=e.get(t);(null===n||r.index<n.index)&&(n=r),(null===s||r.index>s.index)&&(s=r)}),{left:n.id,right:s.id}}class s extends e{renderPre({agentIDs:e}){return{agentIDs:e}}renderNote({xMid:e=null,x0:n=null,x1:s=null,anchor:r,mode:i,label:a},o){const h=o.theme.getNote(i),l=o.makeRegion(),d=o.topY+h.margin.top+h.padding.top,g=new o.SVGTextBlockClass(l,{attrs:h.labelAttrs,formatted:a,y:d}),c=g.width+h.padding.left+h.padding.right,u=h.padding.top+g.height+h.padding.bottom;switch(null===n&&null!==e&&(n=e-c/2),null===s&&null!==n?s=n+c:null===n&&(n=s-c),h.labelAttrs["text-anchor"]){case"middle":g.set({x:(n+h.padding.left+s-h.padding.right)/2,y:d});break;case"end":g.set({x:s-h.padding.right,y:d});break;default:g.set({x:n+h.padding.left,y:d})}return o.shapeLayer.appendChild(h.boxRenderer({x:n,y:o.topY+h.margin.top,width:s-n,height:u})),l.insertBefore(t.make("rect",{x:n,y:o.topY+h.margin.top,width:s-n,height:u,fill:"transparent"}),l.firstChild),o.topY+h.margin.top+u+h.margin.bottom+o.theme.actionMargin}}class r extends s{separation({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),a=r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right,{left:o,right:h}=n(r.agentInfos,e),l=r.agentInfos.get(o),d=r.agentInfos.get(h);if(l!==d){const e=l.currentMaxRad+i.overlap.left,t=d.currentMaxRad+i.overlap.right;r.addSeparation(o,h,a-e-t),r.addSpacing(o,{left:e,right:0}),r.addSpacing(h,{left:0,right:t})}else r.addSpacing(o,{left:a/2,right:a/2})}render({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e),h=r.agentInfos.get(a),l=r.agentInfos.get(o);if(h!==l)return this.renderNote({x0:h.x-h.currentMaxRad-i.overlap.left,x1:l.x+l.currentMaxRad+i.overlap.right,anchor:"middle",mode:t,label:s},r);{const e=h.x;return this.renderNote({xMid:e,anchor:"middle",mode:t,label:s},r)}}}class i extends s{constructor(e){super(),this.isRight=e}separation({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e),h=r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right+i.margin.left+i.margin.right;if(this.isRight){const e=r.agentInfos.get(o);r.addSpacing(o,{left:0,right:h+e.currentMaxRad})}else{const e=r.agentInfos.get(a);r.addSpacing(a,{left:h+e.currentMaxRad,right:0})}}render({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e);if(this.isRight){const e=r.agentInfos.get(o),n=e.x+e.currentMaxRad+i.margin.left;return this.renderNote({x0:n,anchor:"start",mode:t,label:s},r)}{const e=r.agentInfos.get(a),n=e.x-e.currentMaxRad-i.margin.right;return this.renderNote({x1:n,anchor:"end",mode:t,label:s},r)}}}class a extends s{separation({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e),h=r.agentInfos.get(a),l=r.agentInfos.get(o);r.addSeparation(a,o,r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right+i.margin.left+i.margin.right+h.currentMaxRad+l.currentMaxRad)}render({agentIDs:e,mode:t,label:s},r){const{left:i,right:a}=n(r.agentInfos,e),o=r.agentInfos.get(i),h=r.agentInfos.get(a),l=(o.x+o.currentMaxRad+h.x-h.currentMaxRad)/2;return this.renderNote({xMid:l,anchor:"middle",mode:t,label:s},r)}}return s.NoteOver=r,s.NoteSide=i,s.NoteBetween=a,e.register("note over",new r),e.register("note left",new i(!1)),e.register("note right",new i(!0)),e.register("note between",new a),s}),n("sequence/Renderer",["core/ArrayUtilities","core/EventObject","svg/SVGUtilities","svg/SVGShapes","./components/BaseComponent","./components/Block","./components/Parallel","./components/Marker","./components/AgentCap","./components/AgentHighlight","./components/Connect","./components/Note"],(e,t,n,s,r)=>{"use strict";function i(e,t){let n=null,s=null;return t.forEach(t=>{const r=e.get(t);(null===n||r.index<n.index)&&(n=r),(null===s||r.index>s.index)&&(s=r)}),{left:n.id,right:s.id}}let a=0;return class extends t{constructor({themes:e=[],namespace:t=null,components:n=null,SVGTextBlockClass:i=s.TextBlock}={}){super(),null===n&&(n=r.getComponents()),this._bindMethods(),this.state={},this.width=0,this.height=0,this.themes=function(e){if(0===e.length)throw new Error("Cannot render without a theme");const t=new Map;return e.forEach(e=>{t.set(e.name,e)}),t.set("",e[0]),t}(e),this.theme=null,this.namespace=function(e){return null===e&&(e="R"+a,++a),e}(t),this.components=n,this.SVGTextBlockClass=i,this.knownThemeDefs=new Set,this.knownDefs=new Set,this.highlights=new Map,this.currentHighlight=-1,this.buildStaticElements(),this.components.forEach(e=>{e.makeState(this.state)})}_bindMethods(){this.separationStage=this.separationStage.bind(this),this.renderStage=this.renderStage.bind(this),this.addSeparation=this.addSeparation.bind(this),this.addThemeDef=this.addThemeDef.bind(this),this.addDef=this.addDef.bind(this)}addTheme(e){this.themes.set(e.name,e)}buildStaticElements(){this.base=n.makeContainer(),this.themeDefs=n.make("defs"),this.defs=n.make("defs"),this.mask=n.make("mask",{id:this.namespace+"LineMask",maskUnits:"userSpaceOnUse"}),this.maskReveal=n.make("rect",{fill:"#FFFFFF"}),this.agentLines=n.make("g",{mask:"url(#"+this.namespace+"LineMask)"}),this.blocks=n.make("g"),this.actionShapes=n.make("g"),this.actionLabels=n.make("g"),this.base.appendChild(this.themeDefs),this.base.appendChild(this.defs),this.base.appendChild(this.agentLines),this.base.appendChild(this.blocks),this.base.appendChild(this.actionShapes),this.base.appendChild(this.actionLabels),this.title=new this.SVGTextBlockClass(this.base),this.sizer=new this.SVGTextBlockClass.SizeTester(this.base)}addThemeDef(e,t){const n=this.namespace+e;if(this.knownThemeDefs.has(e))return n;this.knownThemeDefs.add(e);const s=t();return s.setAttribute("id",n),this.themeDefs.appendChild(s),n}addDef(e,t){const n=this.namespace+e;if(this.knownDefs.has(e))return n;this.knownDefs.add(e);const s=t();return s.setAttribute("id",n),this.defs.appendChild(s),n}addSeparation(e,t,n){const s=this.agentInfos.get(e),r=this.agentInfos.get(t),i=s.separations.get(t)||0;s.separations.set(t,Math.max(i,n));const a=r.separations.get(e)||0;r.separations.set(e,Math.max(a,n))}separationStage(t){const n=new Map,s=this.visibleAgentIDs.slice();this.agentInfos.forEach(e=>{const t=e.currentRad;e.currentMaxRad=t,n.set(e.id,{left:t,right:t})});const r={theme:this.theme,agentInfos:this.agentInfos,visibleAgentIDs:this.visibleAgentIDs,textSizer:this.sizer,addSpacing:(e,{left:t,right:s})=>{const r=n.get(e);r.left=Math.max(r.left,t),r.right=Math.max(r.right,s)},addSeparation:this.addSeparation,state:this.state,components:this.components},i=this.components.get(t.type);if(!i)throw new Error("Unknown component: "+t.type);i.separationPre(t,r),i.separation(t,r),e.mergeSets(s,this.visibleAgentIDs),s.forEach(e=>{const t=this.agentInfos.get(e),r=n.get(e);t.maxRPad=Math.max(t.maxRPad,r.right),t.maxLPad=Math.max(t.maxLPad,r.left),s.forEach(s=>{if(this.agentInfos.get(s).index>=t.index)return;const i=n.get(s);this.addSeparation(e,s,r.left+i.right+this.theme.agentMargin)})})}checkAgentRange(e,t=0){if(0===e.length)return t;const{left:n,right:s}=i(this.agentInfos,e),r=this.agentInfos.get(n).x,a=this.agentInfos.get(s).x;let o=t;return this.agentInfos.forEach(e=>{e.x>=r&&e.x<=a&&(o=Math.max(o,e.latestY))}),o}markAgentRange(e,t){if(0===e.length)return;const{left:n,right:s}=i(this.agentInfos,e),r=this.agentInfos.get(n).x,a=this.agentInfos.get(s).x;this.agentInfos.forEach(e=>{e.x>=r&&e.x<=a&&(e.latestY=t)})}drawAgentLine(e,t){null===e.latestYStart||t<=e.latestYStart||this.agentLines.appendChild(this.theme.renderAgentLine({x:e.x,y0:e.latestYStart,y1:t,width:2*e.currentRad,className:"agent-"+e.index+"-line"}))}addHighlightObject(e,t){let n=this.highlights.get(e);n||(n=[],this.highlights.set(e,n)),n.push(t)}renderStage(e){this.agentInfos.forEach(e=>{const t=e.currentRad;e.currentMaxRad=t});const t={theme:this.theme,agentInfos:this.agentInfos,textSizer:this.sizer,state:this.state,components:this.components},s=this.components.get(e.type),i=s.renderPre(e,t),{topShift:a,agentIDs:o,asynchronousY:h}=r.cleanRenderPreResult(i,this.currentY),l=this.checkAgentRange(o,h),d={topY:l,primaryY:l+a,blockLayer:this.blocks,shapeLayer:this.actionShapes,labelLayer:this.actionLabels,maskLayer:this.mask,theme:this.theme,agentInfos:this.agentInfos,textSizer:this.sizer,SVGTextBlockClass:this.SVGTextBlockClass,state:this.state,drawAgentLine:(e,t,n=!1)=>{const s=this.agentInfos.get(e);this.drawAgentLine(s,t),s.latestYStart=n?null:t},addDef:this.addDef,makeRegion:(t,s=null)=>{t||(t=n.make("g"));const r=s||e;return this.addHighlightObject(r.ln,t),t.setAttribute("class","region"),t.addEventListener("mouseenter",()=>{this.trigger("mouseover",[r])}),t.addEventListener("mouseleave",()=>{this.trigger("mouseout")}),t.addEventListener("click",()=>{this.trigger("click",[r])}),this.actionLabels.appendChild(t),t},components:this.components},g=Math.max(l,s.render(e,d)||0);this.markAgentRange(o,g),this.currentY=g}positionAgents(){const e=[];this.agentInfos.forEach(t=>{let n=0;t.separations.forEach((e,s)=>{const r=this.agentInfos.get(s);r.index<t.index&&(n=Math.max(n,r.x+e))}),t.x=n,e.push(t)});let t={x:0};e.reverse().forEach(e=>{let n=t.x;t=e,e.anchorRight&&(e.separations.forEach((t,s)=>{const r=this.agentInfos.get(s);r.index>e.index&&(n=Math.min(n,r.x-t))}),e.x=n)}),this.agentInfos.forEach(({x:e,maxRPad:t,maxLPad:n})=>{this.minX=Math.min(this.minX,e-n),this.maxX=Math.max(this.maxX,e+t)})}buildAgentInfos(e,t){this.agentInfos=new Map,e.forEach((e,t)=>{this.agentInfos.set(e.id,{id:e.id,formattedLabel:e.formattedLabel,anchorRight:e.anchorRight,index:t,x:null,latestYStart:null,currentRad:0,currentMaxRad:0,latestY:0,maxRPad:0,maxLPad:0,separations:new Map})}),this.visibleAgentIDs=["[","]"],t.forEach(this.separationStage),this.positionAgents()}updateBounds(e){const t=(this.minX+this.maxX)/2,n=this.title.height>0?-this.theme.titleMargin-this.title.height:0;this.title.set({x:t,y:n});const s=this.title.width/2,r=this.theme.outerMargin,i=Math.min(this.minX,t-s)-r,a=Math.max(this.maxX,t+s)+r,o=n-r,h=e+r;this.maskReveal.setAttribute("x",i),this.maskReveal.setAttribute("y",o),this.maskReveal.setAttribute("width",a-i),this.maskReveal.setAttribute("height",h-o),this.base.setAttribute("viewBox",i+" "+o+" "+(a-i)+" "+(h-o)),this.width=a-i,this.height=h-o}_resetState(){this.components.forEach(e=>{e.resetState(this.state)}),this.currentY=0}_reset(e){e&&(this.knownThemeDefs.clear(),n.empty(this.themeDefs)),this.knownDefs.clear(),this.highlights.clear(),this.currentHighlight=-1,n.empty(this.defs),n.empty(this.mask),n.empty(this.agentLines),n.empty(this.blocks),n.empty(this.actionShapes),n.empty(this.actionLabels),this.mask.appendChild(this.maskReveal),this.defs.appendChild(this.mask),this._resetState()}setHighlight(e=null){null!==e&&this.highlights.has(e)||(e=-1),this.currentHighlight!==e&&(-1!==this.currentHighlight&&this.highlights.get(this.currentHighlight).forEach(e=>{e.setAttribute("class","region")}),-1!==e&&this.highlights.get(e).forEach(e=>{e.setAttribute("class","region focus")}),this.currentHighlight=e)}render(e){const t=this.currentHighlight,n=this.theme;this.theme=this.getThemeNamed(e.meta.theme);const s=this.theme!==n;this._reset(s),this.theme.reset(),this.theme.addDefs(this.addThemeDef),this.title.set({attrs:this.theme.titleAttrs,formatted:e.meta.title}),this.minX=0,this.maxX=0,this.buildAgentInfos(e.agents,e.stages),this._resetState(),e.stages.forEach(this.renderStage);const r=this.checkAgentRange(["[","]"],this.currentY),i=Math.max(r-this.theme.actionMargin,0);this.updateBounds(i),this.sizer.resetCache(),this.sizer.detach(),this.setHighlight(t)}getThemeNames(){return Array.from(this.themes.keys()).filter(e=>""!==e)}getThemes(){return this.getThemeNames().map(e=>this.themes.get(e))}getThemeNamed(e){const t=this.themes.get(e);return t||this.themes.get("")}getAgentX(e){return this.agentInfos.get(e).x}svg(){return this.base}}}),n("sequence/Exporter",[],()=>{"use strict";const e=/^((?!chrome|android).)*safari/i.test(navigator.userAgent),t=void 0!==window.InstallTrigger;return class{constructor(){this.latestSVG=null,this.latestInternalSVG=null,this.canvas=null,this.context=null,this.indexPNG=0,this.latestPNGIndex=0,this.latestPNG=null}getSVGContent(e,n=null){let s=e.svg().outerHTML;return t&&n&&(s=s.replace(/^<svg/,'<svg width="'+n.width+'" height="'+n.height+'" ')),s}getSVGBlob(e,t=null){return new Blob([this.getSVGContent(e,t)],{type:"image/svg+xml"})}getSVGURL(e,t=null){const n=this.getSVGBlob(e,t);return t?(this.latestInternalSVG&&URL.revokeObjectURL(this.latestInternalSVG),this.latestInternalSVG=URL.createObjectURL(n),this.latestInternalSVG):(this.latestSVG&&URL.revokeObjectURL(this.latestSVG),this.latestSVG=URL.createObjectURL(n),this.latestSVG)}getPNGBlob(t,n,s){this.canvas||(window.devicePixelRatio=1,this.canvas=document.createElement("canvas"),this.context=this.canvas.getContext("2d"));const r=t.width*n,i=t.height*n,a=new Image(r,i);let 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e.WavePattern(10,1),i={titleMargin:12,outerMargin:5,agentMargin:8,actionMargin:5,minActionMargin:5,agentLineHighlightRadius:4,agentCap:{box:{padding:{top:1,left:3,right:3,bottom:1},arrowBottom:11.1,boxAttrs:{fill:"#FFFFFF",stroke:"#000000","stroke-width":3,rx:4,ry:4},labelAttrs:{"font-family":s,"font-weight":"bold","font-size":14,"line-height":1.3,"text-anchor":"middle"}},cross:{size:20,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":3,"stroke-linecap":"round"})},bar:{height:4,render:n.renderBox.bind(null,{fill:"#000000",stroke:"#000000","stroke-width":3,rx:2,ry:2})},fade:{width:5,height:10,extend:1},none:{height:10}},connect:{loopbackRadius:8,line:{solid:{attrs:{fill:"none",stroke:"#000000","stroke-width":3},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},dash:{attrs:{fill:"none",stroke:"#000000","stroke-width":3,"stroke-dasharray":"10, 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"}}),n("sequence/themes/Sketch",["./BaseTheme","svg/SVGUtilities","svg/SVGShapes","./HandleeFontData"],(e,t,n,s)=>{"use strict";const r="'"+s.name+"',cursive",i={stroke:"rgba(0,0,0,0.7)","stroke-width":.8,"stroke-linejoin":"round","stroke-linecap":"round"},a={stroke:"rgba(0,0,0,0.8)","stroke-width":1.2,"stroke-linejoin":"round","stroke-linecap":"round"},o={titleMargin:10,outerMargin:5,agentMargin:10,actionMargin:10,minActionMargin:3,agentLineHighlightRadius:4,agentCap:{box:{padding:{top:5,left:10,right:10,bottom:5},arrowBottom:12.8,labelAttrs:{"font-family":r,"font-size":12,"line-height":1.5,"text-anchor":"middle"},boxRenderer:null},cross:{size:15,render:null},bar:{height:6,render:null},fade:{width:Math.ceil(12),height:6,extend:Math.ceil(2.5)},none:{height:10}},connect:{loopbackRadius:6,line:{solid:{attrs:Object.assign({fill:"none"},i),renderFlat:null,renderRev:null},dash:{attrs:Object.assign({fill:"none","stroke-dasharray":"4, 2"},i),renderFlat:null,renderRev:null},wave:{attrs:Object.assign({fill:"none","stroke-linejoin":"round","stroke-linecap":"round"},i),renderFlat:null,renderRev:null}},arrow:{single:{width:5,height:6,attrs:Object.assign({fill:"rgba(0,0,0,0.9)"},i),render:null},double:{width:4,height:8,attrs:Object.assign({fill:"none"},i),render:null},cross:{short:5,radius:3,render:null}},label:{padding:6,margin:{top:2,bottom:1},attrs:{"font-family":r,"font-size":8,"line-height":1.5,"text-anchor":"middle"},loopbackAttrs:{"font-family":r,"font-size":8,"line-height":1.5}},mask:{padding:{top:0,left:3,right:3,bottom:1}}},titleAttrs:{"font-family":r,"font-size":20,"line-height":1.5,"text-anchor":"middle",class:"title"},agentLineAttrs:{fill:"none",stroke:"#000000","stroke-width":1}},h={padding:{top:3,bottom:2},tag:{padding:{top:2,left:3,right:5,bottom:0},boxRenderer:null,labelAttrs:{"font-family":r,"font-weight":"bold","font-size":9,"line-height":1.5,"text-anchor":"left"}},label:{padding:{top:2,left:5,right:3,bottom:0},labelAttrs:{"font-family":r,"font-size":8,"line-height":1.5,"text-anchor":"left"}}},l={ref:{margin:{top:0,bottom:0},boxRenderer:null,section:h},"":{margin:{top:0,bottom:0},boxRenderer:null,section:h,sepRenderer:null}},d={"font-family":r,"font-size":8,"line-height":1.5},g={text:{margin:{top:0,left:6,right:6,bottom:0},padding:{top:2,left:2,right:2,bottom:2},overlap:{left:10,right:10},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF"}),labelAttrs:d},note:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:5,left:5,right:10,bottom:5},overlap:{left:10,right:10},boxRenderer:null,labelAttrs:d},state:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:7,left:7,right:7,bottom:7},overlap:{left:10,right:10},boxRenderer:null,labelAttrs:d}};class c{constructor(){this.s=new Uint32Array(4)}reset(){this.s[0]=394173556,this.s[1]=2926575054,this.s[2]=1022685995,this.s[3]=1178902408}nextFloat(){let e=this.s[0],t=this.s[1];const n=this.s[2],s=this.s[3];return this.s[0]=n,this.s[1]=s,e^=e<<23|t>>>9,t^=t<<23,this.s[2]=e^n^e>>>17^n>>>26,this.s[3]=t^s^(e<<15|t>>>17)^(n<<6|s>>>26),(this.s[3]+s>>>0)%4294967296/4294967296}}const u={};class p extends e.WavePattern{constructor(e,t){const n=[0,-.3,-.6,-.75,-.45,0,.45,.75,.6,.3];t!==u&&n.reverse(),super(6,n)}getDelta(e){return super.getDelta(e)+.5*Math.sin(.03*e)}}class f extends e{constructor(e=u){super({name:"",settings:o,blocks:l,notes:g}),e===u?(this.name="sketch",this.handedness=1):(this.name="sketch left handed",this.handedness=-1),this.random=new c,this.wave=new p(4,e),this._assignCapFunctions(),this._assignConnectFunctions(),this._assignNoteFunctions(),this._assignBlockFunctions()}_assignCapFunctions(){this.renderBar=this.renderBar.bind(this),this.renderBox=this.renderBox.bind(this),this.agentCap.cross.render=this.renderCross.bind(this),this.agentCap.bar.render=this.renderBar,this.agentCap.box.boxRenderer=this.renderBox}_assignConnectFunctions(){this.renderArrowHead=this.renderArrowHead.bind(this),this.renderFlatConnector=this.renderFlatConnector.bind(this),this.renderRevConnector=this.renderRevConnector.bind(this),this.connect.arrow.single.render=this.renderArrowHead,this.connect.arrow.double.render=this.renderArrowHead,this.connect.arrow.cross.render=this.renderCross.bind(this),this.connect.line.solid.renderFlat=this.renderFlatConnector,this.connect.line.solid.renderRev=this.renderRevConnector,this.connect.line.dash.renderFlat=this.renderFlatConnector,this.connect.line.dash.renderRev=this.renderRevConnector,this.connect.line.wave.renderFlat=this.renderFlatConnectorWave.bind(this),this.connect.line.wave.renderRev=this.renderRevConnectorWave.bind(this)}_assignNoteFunctions(){this.notes.note.boxRenderer=this.renderNote.bind(this),this.notes.state.boxRenderer=this.renderState.bind(this)}_assignBlockFunctions(){this.renderTag=this.renderTag.bind(this),this.blocks.ref.boxRenderer=this.renderRefBlock.bind(this),this.blocks[""].boxRenderer=this.renderBlock.bind(this),this.blocks.ref.section.tag.boxRenderer=this.renderTag,this.blocks[""].section.tag.boxRenderer=this.renderTag,this.blocks[""].sepRenderer=this.renderSeparator.bind(this)}reset(){this.random.reset()}addDefs(e){e("sketch_font",()=>{const e=document.createElement("style");return e.innerText='@font-face{font-family:"'+s.name+'";src:url("data:font/woff2;base64,'+s.woff2+'");}',e})}vary(e,t=0){if(!e)return t;const n=this.random.nextFloat();return t+2*Math.asin(2*n-1)*e/Math.PI}lineNodes(e,t,{var1:n=1,var2:s=1,varX:r=1,varY:i=1,move:a=!0}){const o=Math.sqrt((t.x-e.x)*(t.x-e.x)+(t.y-e.y)*(t.y-e.y)),h=Math.min(.2*Math.sqrt(o),5),l=this.vary(n*r*h,e.x),d=this.vary(n*i*h,e.y),g=this.vary(s*r*h,t.x),c=this.vary(s*i*h,t.y),u=Math.max(-1,Math.min(1,(d-c)/(Math.abs(l-g)+.001)))/6+.5,p=this.vary(.5,.5)*h,f=this.vary(.5,.5)*h,m=l*(1-u)+g*u-p*this.handedness;return{nodes:(a?"M"+l+" "+d:"")+"C"+m+" "+(d*(1-u)+c*u-f)+","+g+" "+c+","+g+" "+c,p1:{x:l,y:d},p2:{x:g,y:c}}}renderLine(e,n,s){const r=this.lineNodes(e,n,s);return t.make("path",Object.assign({d:r.nodes,fill:"none","stroke-dasharray":s.dash?"6, 5":"none"},s.thick?a:i))}renderBox({x:e,y:n,width:s,height:r},{fill:o=null,thick:h=!1}={}){const 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n=1;return e.length>n&&(n=o(e,n,t.skip,"Invalid block command")),n=o(e,n,[":"]),{type:t.type,blockType:t.blockType,tag:t.tag,label:i(e,n)}},e=>{if("begin"!==a(e[0])||"reference"!==a(e[1]))return null;let t=[];const n=l(e,":");if("over"===a(e[2])&&n>3)t=g(e,3,n);else if(2!==n)throw r('Expected ":" or "over"',e[2]);const s=d(e,n+1,e.length,{aliases:!0});if(!s.alias)throw r("Reference must have an alias",e[n]);return{type:"group begin",agents:t,blockType:"ref",tag:"ref",label:s.name,alias:s.alias}},e=>{const t=b[a(e[0])];return!t||e.length<=1?null:Object.assign({agents:g(e,1,e.length,{aliases:!0})},t)},t=>{if("simultaneously"!==a(t[0]))return null;if(":"!==a(e.last(t)))return null;let n="";if(t.length>2){if("with"!==a(t[1]))return null;n=i(t,2,t.length-1)}return{type:"async",target:n}},e=>{const t=m[a(e[0])],n=l(e,":");if(!t||-1===n)return null;const s=t.types[a(e[1])];if(!s)return null;let h=2;const d=g(e,h=o(e,h,s.skip),n);if(d.length<s.min)throw r("Too few agents for 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Set(["agent highlight"])},"agent end":{check:["mode"],merge:["agentIDs"],siblings:new Set(["agent highlight"])},"agent highlight":{check:["highlighted"],merge:["agentIDs"],siblings:new Set(["agent begin","agent end"])}};return class{constructor(){this.agentStates=new Map,this.agentAliases=new Map,this.activeGroups=new Map,this.gAgents=[],this.labelPattern=null,this.nextID=0,this.nesting=[],this.markers=new Set,this.currentSection=null,this.currentNest=null,this.stageHandlers={"block begin":this.handleBlockBegin.bind(this),"block split":this.handleBlockSplit.bind(this),"block end":this.handleBlockEnd.bind(this),"group begin":this.handleGroupBegin.bind(this),mark:this.handleMark.bind(this),async:this.handleAsync.bind(this),"agent define":this.handleAgentDefine.bind(this),"agent begin":this.handleAgentBegin.bind(this),"agent end":this.handleAgentEnd.bind(this),"label pattern":this.handleLabelPattern.bind(this),connect:this.handleConnect.bind(this),"note over":this.handleNote.bind(this),"note left":this.handleNote.bind(this),"note right":this.handleNote.bind(this),"note between":this.handleNote.bind(this)},this.expandGroupedGAgent=this.expandGroupedGAgent.bind(this),this.handleStage=this.handleStage.bind(this),this.toGAgent=this.toGAgent.bind(this),this.endGroup=this.endGroup.bind(this)}toGAgent({name:e,alias:t,flags:n}){if(t){if(this.agentAliases.has(e))throw new Error("Cannot alias "+e+"; it is already an alias");const n=this.agentAliases.get(t);if(n&&n!==t||this.gAgents.some(e=>e.id===t))throw new Error("Cannot use "+t+" as an alias; it is already in use");this.agentAliases.set(t,e)}return g.make(this.agentAliases.get(e)||e,{isVirtualSource:n.includes("source")})}addStage(e,t=!0){e&&(void 0===e.ln&&(e.ln=this.latestLine),this.currentSection.stages.push(e),t&&(this.currentNest.hasContent=!0))}addParallelStages(e){const t=e.filter(e=>Boolean(e));if(0!==t.length)return 1===t.length?this.addStage(t[0]):(t.forEach(e=>{void 0===e.ln&&(e.ln=this.latestLine)}),this.addStage({type:"parallel",stages:t}))}defineGAgents(t){e.mergeSets(this.currentNest.gAgents,t.filter(e=>!u.includes(e.id)),g.equals),e.mergeSets(this.gAgents,t,g.equals)}getGAgentState(e){return this.agentStates.get(e.id)||h.DEFAULT}updateGAgentState(e,t){const n=this.agentStates.get(e.id);n?Object.assign(n,t):this.agentStates.set(e.id,new h(t))}replaceGAgentState(e,t){this.agentStates.set(e.id,t)}validateGAgents(e,{allowGrouped:t=!1,rejectGrouped:n=!1,allowVirtual:s=!1}={}){e.forEach(e=>{const r=this.getGAgentState(e);if(r.covered)throw new Error("Agent "+e.id+" is hidden behind group");if(n&&null!==r.group)throw new Error("Agent "+e.id+" is in a group");if(r.blocked&&(!t||null===r.group))throw new Error("Duplicate agent name: "+e.id);if(!s&&e.isVirtualSource)throw new Error("cannot use message source here");if(e.id.startsWith("__"))throw new Error(e.id+" is a reserved name")})}setGAgentVis(e,t,n,s=!1){const r=new Set,i=e.filter(e=>{if(r.has(e.id))return!1;r.add(e.id);const n=this.getGAgentState(e);if(n.locked||n.blocked){if(s)throw new Error("Cannot begin/end agent: "+e.id);return!1}return n.visible!==t});return 0===i.length?null:(i.forEach(e=>{this.updateGAgentState(e,{visible:t})}),this.defineGAgents(i),{type:t?"agent begin":"agent end",agentIDs:i.map(e=>e.id),mode:n})}setGAgentHighlight(e,t,n=!1){const s=e.filter(e=>{const s=this.getGAgentState(e);if(s.locked||s.blocked){if(n)throw new Error("Cannot highlight agent: "+e.id);return!1}return s.visible&&s.highlighted!==t});return 0===s.length?null:(s.forEach(e=>{this.updateGAgentState(e,{highlighted:t})}),{type:"agent highlight",agentIDs:s.map(e=>e.id),highlighted:t})}beginNested(e,{tag:t,label:n,name:s,ln:r}){const i=g.make(s+"[",{anchorRight:!0}),a=g.make(s+"]"),o=[i,a],l=[];return this.currentSection={header:{type:"block begin",blockType:e,tag:this.textFormatter(t),label:this.textFormatter(n),left:i.id,right:a.id,ln:r},stages:l},this.currentNest={blockType:e,gAgents:o,leftGAgent:i,rightGAgent:a,hasContent:!1,sections:[this.currentSection]},this.replaceGAgentState(i,h.LOCKED),this.replaceGAgentState(a,h.LOCKED),this.nesting.push(this.currentNest),{stages:l}}nextBlockName(){const e="__BLOCK"+this.nextID;return++this.nextID,e}nextVirtualAgentName(){const e="__"+this.nextID;return++this.nextID,e}handleBlockBegin({ln:e,blockType:t,tag:n,label:s}){this.beginNested(t,{tag:n,label:s,name:this.nextBlockName(),ln:e})}handleBlockSplit({ln:e,blockType:t,tag:n,label:s}){if("if"!==this.currentNest.blockType)throw new Error('Invalid block nesting ("else" inside '+this.currentNest.blockType+")");this.currentSection={header:{type:"block split",blockType:t,tag:this.textFormatter(n),label:this.textFormatter(s),left:this.currentNest.leftGAgent.id,right:this.currentNest.rightGAgent.id,ln:e},stages:[]},this.currentNest.sections.push(this.currentSection)}handleBlockEnd(){if(this.nesting.length<=1)throw new Error('Invalid block nesting (too many "end"s)');const t=this.nesting.pop();if(this.currentNest=e.last(this.nesting),this.currentSection=e.last(this.currentNest.sections),!t.hasContent)throw new Error("Empty block");this.defineGAgents(t.gAgents),l(this.gAgents,t.leftGAgent,t.rightGAgent,t.gAgents),t.sections.forEach(e=>{this.currentSection.stages.push(e.header),this.currentSection.stages.push(...e.stages)}),this.addStage({type:"block end",left:t.leftGAgent.id,right:t.rightGAgent.id})}makeGroupDetails(t,n){const s=t.map(this.toGAgent);if(this.validateGAgents(s,{rejectGrouped:!0}),this.agentStates.has(n))throw new Error("Duplicate agent name: "+n);const r=this.nextBlockName(),i=g.make(r+"[",{anchorRight:!0}),a=g.make(r+"]");this.replaceGAgentState(i,h.LOCKED),this.replaceGAgentState(a,h.LOCKED),this.updateGAgentState(g.make(n),{blocked:!0,group:n}),this.defineGAgents(s);const{indexL:o,indexR:d}=l(this.gAgents,i,a,s),c=[],u=s.slice();for(let e=o+1;e<d;++e)c.push(this.gAgents[e]);return e.removeAll(c,u,g.equals),{gAgents:s,leftGAgent:i,rightGAgent:a,gAgentsContained:u,gAgentsCovered:c}}handleGroupBegin({agents:e,blockType:t,tag:n,label:s,alias:r}){const i=this.makeGroupDetails(e,r);i.gAgentsContained.forEach(e=>{this.updateGAgentState(e,{group:r})}),i.gAgentsCovered.forEach(e=>{this.updateGAgentState(e,{covered:!0})}),this.activeGroups.set(r,i),this.addStage(this.setGAgentVis(i.gAgents,!0,"box")),this.addStage({type:"block begin",blockType:t,tag:this.textFormatter(n),label:this.textFormatter(s),left:i.leftGAgent.id,right:i.rightGAgent.id})}endGroup({name:e}){const t=this.activeGroups.get(e);return t?(this.activeGroups.delete(e),t.gAgentsContained.forEach(e=>{this.updateGAgentState(e,{group:null})}),t.gAgentsCovered.forEach(e=>{this.updateGAgentState(e,{covered:!1})}),this.updateGAgentState(g.make(e),{group:null}),{type:"block end",left:t.leftGAgent.id,right:t.rightGAgent.id}):null}handleMark({name:e}){this.markers.add(e),this.addStage({type:"mark",name:e},!1)}handleAsync({target:e}){if(""!==e&&!this.markers.has(e))throw new Error("Unknown marker: "+e);this.addStage({type:"async",target:e},!1)}handleLabelPattern({pattern:e}){this.labelPattern=e.slice();for(let e=0;e<this.labelPattern.length;++e){const t=this.labelPattern[e];"object"==typeof t&&void 0!==t.start&&(this.labelPattern[e]=Object.assign({current:t.start},t))}}applyLabelPattern(e){let t="";const n={label:e};return this.labelPattern.forEach(e=>{"string"==typeof e?t+=e:void 0!==e.token?t+=n[e.token]:void 0!==e.current&&(t+=e.current.toFixed(e.dp),e.current+=e.inc)}),t}expandGroupedGAgent(e){const t=this.getGAgentState(e).group;if(!t)return[e];const n=this.activeGroups.get(t);return[n.leftGAgent,n.rightGAgent]}expandGroupedGAgentConnection(t){const n=this.expandGroupedGAgent(t[0]),s=this.expandGroupedGAgent(t[1]);let r=g.indexOf(this.gAgents,n[0]),i=g.indexOf(this.gAgents,s[0]);return-1===r&&(r=n[0].isVirtualSource?-1:this.gAgents.length),-1===i&&(i=this.gAgents.length),r===i?[e.last(n),e.last(s)]:r<i?[e.last(n),s[0]]:[n[0],e.last(s)]}filterConnectFlags(t){const n=t.filter(d.hasFlag("begin")).map(this.toGAgent),s=t.filter(d.hasFlag("end")).map(this.toGAgent);if(g.hasIntersection(n,s))throw new Error("Cannot set agent visibility multiple times");const r=t.filter(d.hasFlag("start")).map(this.toGAgent),i=t.filter(d.hasFlag("stop")).map(this.toGAgent);if(e.mergeSets(i,s),g.hasIntersection(r,i))throw new Error("Cannot set agent highlighting multiple times");return this.validateGAgents(n),this.validateGAgents(s),this.validateGAgents(r),this.validateGAgents(i),{beginGAgents:n,endGAgents:s,startGAgents:r,stopGAgents:i}}makeVirtualAgent(e){const t=g.make(this.nextVirtualAgentName(),{anchorRight:e,isVirtualSource:!0});return this.replaceGAgentState(t,h.LOCKED),t}addNearbyAgent(e,t,n){g.addNearby(this.currentNest.gAgents,e,t,n),g.addNearby(this.gAgents,e,t,n)}expandVirtualSourceAgents(e){if(e[0].isVirtualSource){if(e[1].isVirtualSource)throw new Error("Cannot connect found messages");if(u.includes(e[1].id))throw new Error("Cannot connect found messages to special agents");const t=this.makeVirtualAgent(!0);return this.addNearbyAgent(e[1],t,0),[t,e[1]]}if(e[1].isVirtualSource){if(u.includes(e[0].id))throw new Error("Cannot connect found messages to special agents");const t=this.makeVirtualAgent(!1);return this.addNearbyAgent(e[0],t,1),[e[0],t]}return e}handleConnect({agents:t,label:n,options:s}){const r=this.filterConnectFlags(t);let i=t.map(this.toGAgent);this.validateGAgents(i,{allowGrouped:!0,allowVirtual:!0});const a=e.flatMap(i,this.expandGroupedGAgent);this.defineGAgents(a.filter(e=>!e.isVirtualSource)),i=this.expandGroupedGAgentConnection(i);const o=(i=this.expandVirtualSourceAgents(i)).map(e=>e.id),l=t.filter(d.hasFlag("begin",!1)).map(this.toGAgent).filter(e=>!e.isVirtualSource);this.addStage(this.setGAgentVis(l,!0,"box"));const h={type:"connect",agentIDs:o,label:this.textFormatter(this.applyLabelPattern(n)),options:s};this.addParallelStages([this.setGAgentVis(r.beginGAgents,!0,"box",!0),this.setGAgentHighlight(r.startGAgents,!0,!0),h,this.setGAgentHighlight(r.stopGAgents,!1,!0),this.setGAgentVis(r.endGAgents,!1,"cross",!0)])}handleNote({type:t,agents:n,mode:s,label:r}){let i=null;i=0===n.length?c[t]||[]:n.map(this.toGAgent),this.validateGAgents(i,{allowGrouped:!0});const a=(i=e.flatMap(i,this.expandGroupedGAgent)).map(e=>e.id),o=new Set(a).size;if("note between"===t&&o<2)throw new Error("note between requires at least 2 agents");this.addStage(this.setGAgentVis(i,!0,"box")),this.defineGAgents(i),this.addStage({type:t,agentIDs:a,mode:s,label:this.textFormatter(r)})}handleAgentDefine({agents:e}){const t=e.map(this.toGAgent);this.validateGAgents(t),this.defineGAgents(t)}handleAgentBegin({agents:e,mode:t}){const n=e.map(this.toGAgent);this.validateGAgents(n),this.addStage(this.setGAgentVis(n,!0,t,!0))}handleAgentEnd({agents:e,mode:t}){const n=e.filter(e=>this.activeGroups.has(e.name)),s=e.filter(e=>!this.activeGroups.has(e.name)).map(this.toGAgent);this.validateGAgents(s),this.addParallelStages([this.setGAgentHighlight(s,!1),this.setGAgentVis(s,!1,t,!0),...n.map(this.endGroup)])}handleStage(e){this.latestLine=e.ln;try{const t=this.stageHandlers[e.type];if(!t)throw new Error("Unknown command: "+e.type);t(e)}catch(t){if("object"==typeof t&&t.message)throw t.message+=" at line "+(e.ln+1),t}}_reset(){this.agentStates.clear(),this.markers.clear(),this.agentAliases.clear(),this.activeGroups.clear(),this.gAgents.length=0,this.nextID=0,this.nesting.length=0,this.labelPattern=[{token:"label"}]}_finalise(e){l(this.gAgents,this.currentNest.leftGAgent,this.currentNest.rightGAgent),function(e){let t=[],n=new Set;for(let s=0;s<e.length;){const o=e[s];let l=null;r(l="parallel"===o.type?o.stages:[o]);const h=i(l);a(n,h,t,l),0===l.length?e.splice(s,1):("parallel"===o.type&&1===l.length&&e.splice(s,1,l[0]),n=h,t=l,++s)}}(e.stages),this.gAgents.forEach(e=>{e.formattedLabel=this.textFormatter(e.id)})}generate({stages:e,meta:t={}}){this._reset(),this.textFormatter=t.textFormatter;const n=this.beginNested("global",{tag:"",label:"",name:"",ln:0});if(e.forEach(this.handleStage),1!==this.nesting.length)throw new Error("Unterminated section at line "+(this.currentSection.header.ln+1));if(this.activeGroups.size>0)throw new Error("Unterminated group");const s=t.terminators||"none";return this.addParallelStages([this.setGAgentHighlight(this.gAgents,!1),this.setGAgentVis(this.gAgents,!1,s)]),this._finalise(n),function(e,t){for(let n=0;n<e.length&&!o(e[n],t);++n);}(n.stages,t.headers||"box"),{meta:{title:this.textFormatter(t.title),theme:t.theme},agents:this.gAgents.slice(),stages:n.stages}}}}),n("svg/SVGUtilities",[],()=>{"use strict";function e(e,n={}){const s=document.createElementNS(t,e);for(let e in n)n.hasOwnProperty(e)&&s.setAttribute(e,n[e]);return s}const t="http://www.w3.org/2000/svg";return{makeText:function(e=""){return document.createTextNode(e)},make:e,makeContainer:function(n={}){return e("svg",Object.assign({xmlns:t,version:"1.1"},n))},empty:function(e){for(;e.childNodes.length>0;)e.removeChild(e.lastChild)}}}),n("svg/SVGTextBlock",["./SVGUtilities"],e=>{"use strict";function t(e){const t=Number(e["font-size"]);return{size:t,lineHeight:t*(Number(e["line-height"])||1)}}function n(t,n){if(!Array.isArray(n))throw new Error("Invalid formatted text line: "+n);n.forEach(({text:n,attrs:s})=>{const r=e.makeText(n);if(s){const n=e.make("tspan",s);n.appendChild(r),t.appendChild(n)}else t.appendChild(r)})}const s=void 0!==window.InstallTrigger,r=[];class i{constructor(e,t={}){this.container=e,this.state={attrs:{},formatted:r,x:0,y:0},this.width=0,this.height=0,this.lines=[],this.set(t)}_rebuildLines(t){if(t>this.lines.length){const n=Object.assign({x:this.state.x},this.state.attrs);for(;this.lines.length<t;){const t=e.make("text",n);this.container.appendChild(t),this.lines.push({node:t,latest:""})}}else for(;this.lines.length>t;){const{node:e}=this.lines.pop();this.container.removeChild(e)}}_reset(){this._rebuildLines(0),this.width=0,this.height=0}_renderText(){const{formatted:t}=this.state;if(!t||!t.length)return void this._reset();if(!Array.isArray(t))throw new Error("Invalid formatted text: "+t);this._rebuildLines(t.length);let s=0;this.lines.forEach((r,i)=>{const a=JSON.stringify(t[i]);a!==r.latest&&(e.empty(r.node),n(r.node,t[i]),r.latest=a),s=Math.max(s,r.node.getComputedTextLength())}),this.width=s}_updateX(){this.lines.forEach(({node:e})=>{e.setAttribute("x",this.state.x)})}_updateY(){const{size:e,lineHeight:n}=t(this.state.attrs);this.lines.forEach(({node:t},s)=>{t.setAttribute("y",this.state.y+s*n+e)}),this.height=n*this.lines.length}firstLine(){return this.lines.length>0?this.lines[0].node:null}set(e){const t=Object.assign({},this.state);!function(e,t){for(let n in e)e.hasOwnProperty(n)&&null!==t[n]&&void 0!==t[n]&&(e[n]=t[n])}(this.state,e),this.state.attrs!==t.attrs&&(this._reset(),t.formatted=r);const n=this.lines.length;this.state.formatted!==t.formatted&&this._renderText(),this.state.x!==t.x&&this._updateX(),this.state.y===t.y&&this.lines.length===n||this._updateY()}}class a{constructor(t){this.testers=e.make("g",{display:s?"block":"none",visibility:"hidden"}),this.container=t,this.cache=new Map}measure(s,r){if(!r||!r.length)return{width:0,height:0};if(!Array.isArray(r))throw new Error("Invalid formatted text: "+r);let i=this.cache.get(s);i||(i=e.make("text",s),this.testers.appendChild(i),this.cache.set(s,i)),this.testers.parentNode||this.container.appendChild(this.testers);let a=0;return r.forEach(t=>{e.empty(i),n(i,t),a=Math.max(a,i.getComputedTextLength())}),{width:a,height:r.length*t(s).lineHeight}}measureHeight(e,n){if(!n)return 0;if(!Array.isArray(n))throw new Error("Invalid formatted text: "+n);return n.length*t(e).lineHeight}resetCache(){e.empty(this.testers),this.cache.clear()}detach(){this.testers.parentNode&&this.container.removeChild(this.testers)}}return i.SizeTester=a,i}),n("svg/PatternedLine",[],()=>{"use strict";return class{constructor(e=null,t=0){this.pattern=e,this.dw=e&&e.partWidth,this.points=[],this.phase=t,this.x=null,this.y=null,this.disconnect=0}_nextDelta(){return this.pattern.getDelta(this.phase++)}_link(){2===this.disconnect&&(this.points.push(this.x+" "+this.y),this.disconnect=0)}cap(){return this.disconnect>0&&(this.points.push(this.x+" "+this.y),this.disconnect=0),this}move(e,t){return this.cap(),this.x=e,this.y=t,this.disconnect=2,this}line(e,t){if(this.pattern){const n=Math.sqrt((e-this.x)*(e-this.x)+(t-this.y)*(t-this.y)),s=(e-this.x)/n,r=(t-this.y)/n,i=-r,a=s;for(let e=0;e+this.dw<=n;e+=this.dw){const t=this._nextDelta();this.points.push(this.x+e*s+t*i+" "+(this.y+e*r+t*a))}this.disconnect=1}else this._link(),this.disconnect=2;return this.x=e,this.y=t,this}arc(e,t,n){const s=Math.sqrt((e-this.x)*(e-this.x)+(t-this.y)*(t-this.y)),r=Math.atan2(e-this.x,t-this.y),i=e+Math.sin(r+n)*s,a=t-Math.cos(r+n)*s;if(this.pattern){const i=n<0?1:-1,a=this.dw/s;for(let o=r;o+a<=r+n;o+=a){const n=this._nextDelta()*i;this.points.push(e+Math.sin(o)*(s+n)+" "+(t-Math.cos(o)*(s+n)))}this.disconnect=1}else this.points.push(this.x+" "+this.y+"A"+s+" "+s+" 0 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s=0,r=e;switch(o["text-anchor"]){case"middle":s=.5,r+=(n.left-n.right)/2;break;case"end":s=1,r-=n.right;break;default:s=0,r+=n.left}return{shift:s,anchorX:r}}(n,0,i),p=new g(h,{attrs:o,formatted:e,x:u,y:r+i.top}),f=p.width+i.left+i.right,m=p.height+i.top+i.bottom;let b=null;return b=d?d({x:u-p.width*c-i.left,y:r,width:f,height:m}):s(a,{x:u-p.width*c-i.left,y:r,width:f,height:m}),l===h?l.insertBefore(b,p.firstLine()):l.appendChild(b),{width:f,height:m,label:p,box:b}},TextBlock:t,PatternedLine:n}}),n("sequence/components/BaseComponent",[],()=>{"use strict";class e{makeState(){}resetState(e){this.makeState(e)}separationPre(){}separation(){}renderPre(){}render(){}}e.cleanRenderPreResult=(({topShift:e=0,agentIDs:t=[],asynchronousY:n=null}={},s=null)=>({topShift:e,agentIDs:t,asynchronousY:null!==n?n:s}));const t=new Map;return e.register=((e,n)=>{t.set(e,n)}),e.getComponents=(()=>t),e}),n("sequence/components/Block",["./BaseComponent","core/ArrayUtilities","svg/SVGUtilities","svg/SVGShapes"],(e,t,n,s)=>{"use strict";class r extends e{separation({left:e,right:t,tag:n,label:s},r){const i=r.state.blocks.get(e),a=r.theme.getBlock(i.type).section,o=r.textSizer.measure(a.tag.labelAttrs,n).width+a.tag.padding.left+a.tag.padding.right+r.textSizer.measure(a.label.labelAttrs,s).width+a.label.padding.left+a.label.padding.right;r.addSeparation(e,t,o)}renderPre({left:e,right:t}){return{agentIDs:[e,t]}}render({left:e,right:t,tag:r,label:i},a,o=!1){const l=a.state.blocks.get(e),h=a.theme.getBlock(l.type),d=a.agentInfos.get(e),g=a.agentInfos.get(t);let c=a.primaryY;o||(c+=h.section.padding.bottom);const u=a.makeRegion(),p=s.renderBoxedText(r,{x:d.x,y:c,padding:h.section.tag.padding,boxAttrs:h.section.tag.boxAttrs,boxRenderer:h.section.tag.boxRenderer,labelAttrs:h.section.tag.labelAttrs,boxLayer:l.hold,labelLayer:u,SVGTextBlockClass:a.SVGTextBlockClass}),f=s.renderBoxedText(i,{x:d.x+p.width,y:c,padding:h.section.label.padding,boxAttrs:{fill:"#000000"},labelAttrs:h.section.label.labelAttrs,boxLayer:a.maskLayer,labelLayer:u,SVGTextBlockClass:a.SVGTextBlockClass}),m=Math.max(p.height,f.height);return u.insertBefore(n.make("rect",{x:d.x,y:c,width:g.x-d.x,height:m,fill:"transparent"}),u.firstChild),o||l.hold.appendChild(h.sepRenderer({x1:d.x,y1:c,x2:g.x,y2:c})),c+m+h.section.padding.top}}class i extends r{makeState(e){e.blocks=new Map}resetState(e){e.blocks.clear()}storeBlockInfo(e,t){const n={type:e.blockType,hold:null,startY:null};return t.state.blocks.set(e.left,n),n}separationPre(e,t){this.storeBlockInfo(e,t)}separation(e,n){t.mergeSets(n.visibleAgentIDs,[e.left,e.right]),super.separation(e,n)}renderPre(e,t){const n=this.storeBlockInfo(e,t),s=t.theme.getBlock(n.type);return{agentIDs:[e.left,e.right],topShift:s.margin.top}}render(e,t){const s=n.make("g");t.blockLayer.appendChild(s);const r=t.state.blocks.get(e.left);return r.hold=s,r.startY=t.primaryY,super.render(e,t,!0)}}class a extends e{separation({left:e,right:n},s){t.removeAll(s.visibleAgentIDs,[e,n])}renderPre({left:e,right:t},n){const s=n.state.blocks.get(e);return{agentIDs:[e,t],topShift:n.theme.getBlock(s.type).section.padding.bottom}}render({left:e,right:t},n){const s=n.state.blocks.get(e),r=n.theme.getBlock(s.type),i=n.agentInfos.get(e),a=n.agentInfos.get(t);return s.hold.appendChild(r.boxRenderer({x:i.x,y:s.startY,width:a.x-i.x,height:n.primaryY-s.startY})),n.primaryY+r.margin.bottom+n.theme.actionMargin}}return e.register("block begin",new i),e.register("block split",new r),e.register("block end",new a),{BlockBegin:i,BlockSplit:r,BlockEnd:a}}),n("sequence/components/Parallel",["./BaseComponent","core/ArrayUtilities"],(e,t)=>{"use strict";function n(e,n){return t.mergeSets(e.agentIDs,n.agentIDs),{topShift:Math.max(e.topShift,n.topShift),agentIDs:e.agentIDs,asynchronousY:function(e=null,t=null){return null===e?t:null===t?e:Math.max(e,t)}(e.asynchronousY,n.asynchronousY)}}class s extends e{separationPre(e,t){e.stages.forEach(e=>{t.components.get(e.type).separationPre(e,t)})}separation(e,t){e.stages.forEach(e=>{t.components.get(e.type).separation(e,t)})}renderPre(t,s){return t.stages.map(t=>{const n=s.components.get(t.type).renderPre(t,s);return e.cleanRenderPreResult(n)}).reduce(n,{topShift:0,agentIDs:[],asynchronousY:null})}render(e,t){const n=t.makeRegion;let s=0;return e.stages.forEach(e=>{t.makeRegion=((t,s=null)=>n(t,s||e));const r=t.components.get(e.type).render(e,t)||0;s=Math.max(s,r)}),t.makeRegion=n,s}}return e.register("parallel",new s),s}),n("sequence/components/Marker",["./BaseComponent"],e=>{"use strict";class t extends e{makeState(e){e.marks=new Map}resetState(e){e.marks.clear()}render({name:e},{topY:t,state:n}){n.marks.set(e,t)}}class n extends e{renderPre({target:e},{state:t}){let n=0;return e&&t.marks&&(n=t.marks.get(e)||0),{asynchronousY:n}}}return e.register("mark",new t),e.register("async",new n),{Mark:t,Async:n}}),n("sequence/components/AgentCap",["./BaseComponent","core/ArrayUtilities","svg/SVGUtilities","svg/SVGShapes"],(e,t,n,s)=>{"use strict";class r{separation({formattedLabel:e},t){const n=t.theme.agentCap.box,s=t.textSizer.measure(n.labelAttrs,e).width+n.padding.left+n.padding.right;return{left:s/2,right:s/2,radius:s/2}}topShift({formattedLabel:e},t){const n=t.theme.agentCap.box,s=t.textSizer.measureHeight(n.labelAttrs,e)+n.padding.top+n.padding.bottom;return Math.max(0,s-n.arrowBottom)}render(e,{x:t,formattedLabel:r},i){const a=i.theme.agentCap.box,o=i.makeRegion(),{width:l,height:h}=s.renderBoxedText(r,{x:t,y:e,padding:a.padding,boxAttrs:a.boxAttrs,boxRenderer:a.boxRenderer,labelAttrs:a.labelAttrs,boxLayer:i.shapeLayer,labelLayer:o,SVGTextBlockClass:i.SVGTextBlockClass});return o.insertBefore(n.make("rect",{x:t-l/2,y:e,width:l,height:h,fill:"transparent"}),o.firstChild),{lineTop:0,lineBottom:h,height:h}}}class i{separation(e,t){const n=t.theme.agentCap.cross;return{left:n.size/2,right:n.size/2,radius:0}}topShift(e,t){return t.theme.agentCap.cross.size/2}render(e,{x:t},s){const r=s.theme.agentCap.cross,i=r.size/2;return s.shapeLayer.appendChild(r.render({x:t,y:e+i,radius:i})),s.makeRegion().appendChild(n.make("rect",{x:t-i,y:e,width:2*i,height:2*i,fill:"transparent"})),{lineTop:i,lineBottom:i,height:2*i}}}class a{separation({formattedLabel:e},t){const n=t.theme.agentCap.box,s=t.textSizer.measure(n.labelAttrs,e).width+n.padding.left+n.padding.right;return{left:s/2,right:s/2,radius:s/2}}topShift(e,t){return t.theme.agentCap.bar.height/2}render(e,{x:t,formattedLabel:s},r){const i=r.theme.agentCap.box,a=r.theme.agentCap.bar,o=r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right,l=a.height;return r.shapeLayer.appendChild(a.render({x:t-o/2,y:e,width:o,height:l})),r.makeRegion().appendChild(n.make("rect",{x:t-o/2,y:e,width:o,height:l,fill:"transparent"})),{lineTop:0,lineBottom:l,height:l}}}class o{separation({currentRad:e}){return{left:e,right:e,radius:e}}topShift(e,t,n){const s=t.theme.agentCap.fade;return n?s.height:0}render(e,{x:t},s,r){const i=s.theme.agentCap.fade,a=i.height/(i.height+i.extend),o=s.addDef(r?"FadeIn":"FadeOut",()=>{const e=n.make("linearGradient",{x1:"0%",y1:r?"100%":"0%",x2:"0%",y2:r?"0%":"100%"});return e.appendChild(n.make("stop",{offset:"0%","stop-color":"#FFFFFF"})),e.appendChild(n.make("stop",{offset:(100*a).toFixed(3)+"%","stop-color":"#000000"})),e});return s.maskLayer.appendChild(n.make("rect",{x:t-i.width/2,y:e-(r?i.extend:0),width:i.width,height:i.height+i.extend,fill:"url(#"+o+")"})),s.makeRegion().appendChild(n.make("rect",{x:t-i.width/2,y:e,width:i.width,height:i.height,fill:"transparent"})),{lineTop:i.height,lineBottom:0,height:i.height}}}class l{separation({currentRad:e}){return{left:e,right:e,radius:e}}topShift(e,t){return t.theme.agentCap.none.height}render(e,{x:t},s){const r=s.theme.agentCap.none;return s.makeRegion().appendChild(n.make("rect",{x:t-5,y:e,width:10,height:r.height,fill:"transparent"})),{lineTop:r.height,lineBottom:0,height:r.height}}}const h={box:new r,cross:new i,bar:new a,fade:new o,none:new l};class d extends e{constructor(e){super(),this.begin=e}separationPre({mode:e,agentIDs:t},n){t.forEach(t=>{const s=n.agentInfos.get(t),r=h[e].separation(s,n,this.begin);n.addSpacing(t,r),s.currentMaxRad=Math.max(s.currentMaxRad,r.radius)})}separation({mode:e,agentIDs:n},s){this.begin?t.mergeSets(s.visibleAgentIDs,n):t.removeAll(s.visibleAgentIDs,n)}renderPre({mode:e,agentIDs:t},n){let s=0;return t.forEach(t=>{const r=n.agentInfos.get(t),i=h[e],a=i.topShift(r,n,this.begin);s=Math.max(s,a);const o=i.separation(r,n,this.begin).radius;r.currentMaxRad=Math.max(r.currentMaxRad,o)}),{agentIDs:t,topShift:s}}render({mode:e,agentIDs:t},n){let s=0;return t.forEach(t=>{const r=n.agentInfos.get(t),i=h[e],a=i.topShift(r,n,this.begin),o=n.primaryY-a,l=i.render(o,r,n,this.begin);s=Math.max(s,o+l.height),this.begin?n.drawAgentLine(t,o+l.lineBottom):n.drawAgentLine(t,o+l.lineTop,!0)}),s+n.theme.actionMargin}}return e.register("agent begin",new d(!0)),e.register("agent end",new d(!1)),d}),n("sequence/components/AgentHighlight",["./BaseComponent"],e=>{"use strict";class t extends e{radius(e,t){return e?t.theme.agentLineHighlightRadius:0}separationPre({agentIDs:e,highlighted:t},n){const s=this.radius(t,n);e.forEach(e=>{const t=n.agentInfos.get(e);t.currentRad=s,t.currentMaxRad=Math.max(t.currentMaxRad,s)})}renderPre({agentIDs:e,highlighted:t},n){const s=this.radius(t,n);e.forEach(e=>{const t=n.agentInfos.get(e);t.currentMaxRad=Math.max(t.currentMaxRad,s)})}render({agentIDs:e,highlighted:t},n){const s=this.radius(t,n);return e.forEach(e=>{n.drawAgentLine(e,n.primaryY),n.agentInfos.get(e).currentRad=s}),n.primaryY+n.theme.actionMargin}}return e.register("agent highlight",new t),t}),n("sequence/components/Connect",["core/ArrayUtilities","./BaseComponent","svg/SVGUtilities","svg/SVGShapes"],(e,t,n,s)=>{"use strict";class r{constructor(e){this.propName=e}getConfig(e){return e.connect.arrow[this.propName]}short(e){const t=this.getConfig(e),n=t.attrs["stroke-linejoin"]||"miter",s=.5*t.attrs["stroke-width"],r=.5*e.agentLineAttrs["stroke-width"];if("round"===n)return r+s;{const e=t.height/2,n=t.width;return r+s*Math.sqrt(n*n/(e*e)+1)}}render(e,t,n,s){const r=this.getConfig(t);e.appendChild(r.render(r.attrs,{x:n.x+this.short(t)*s,y:n.y,dx:r.width*s,dy:r.height/2}))}width(e){return this.short(e)+this.getConfig(e).width}height(e){return this.getConfig(e).height}lineGap(e,t){const n=this.getConfig(e),s=this.short(e);if("none"===n.attrs.fill){const e=n.height/2,r=n.width;return(s+(s+t["stroke-width"]/2*(r/e)))/2}return s+n.width/2}}class i{getConfig(e){return e.connect.arrow.cross}render(e,t,n,s){const r=this.getConfig(t);e.appendChild(r.render({x:n.x+r.short*s,y:n.y,radius:r.radius}))}width(e){const t=this.getConfig(e);return t.short+t.radius}height(e){return 2*this.getConfig(e).radius}lineGap(e){return this.getConfig(e).short}}const a=[{render:()=>{},width:()=>0,height:()=>0,lineGap:()=>0},new r("single"),new r("double"),new i];class o extends t{separationPre({agentIDs:e},t){const n=t.theme.connect.source.radius;e.forEach(e=>{const s=t.agentInfos.get(e);s.isVirtualSource&&(s.currentRad=n,s.currentMaxRad=Math.max(s.currentMaxRad,n))})}separation({label:t,agentIDs:n,options:s},r){const i=r.theme.connect,o=a[s.left],l=a[s.right];let h=r.textSizer.measure(i.label.attrs,t).width;h>0&&(h+=2*i.label.padding);const d=r.agentInfos.get(n[0]);if(n[0]===n[1])r.addSpacing(n[0],{left:0,right:d.currentMaxRad+Math.max(h+o.width(r.theme),l.width(r.theme))+i.loopbackRadius});else{const e=r.agentInfos.get(n[1]);r.addSeparation(n[0],n[1],d.currentMaxRad+e.currentMaxRad+h+2*Math.max(o.width(r.theme),l.width(r.theme)))}e.mergeSets(r.momentaryAgentIDs,n)}renderSelfConnect({label:e,agentIDs:t,options:r},i){const o=i.theme.connect,l=i.agentInfos.get(t[0]),h=a[r.left],d=a[r.right],g=e?i.textSizer.measureHeight(o.label.attrs,e)+o.label.margin.top+o.label.margin.bottom:0,c=l.x+l.currentMaxRad,u=i.primaryY,p=c+h.width(i.theme)+(e?o.label.padding:0),f=i.makeRegion(),m=s.renderBoxedText(e,{x:p-o.mask.padding.left,y:u-g+o.label.margin.top,padding:o.mask.padding,boxAttrs:{fill:"#000000"},labelAttrs:o.label.loopbackAttrs,boxLayer:i.maskLayer,labelLayer:f,SVGTextBlockClass:i.SVGTextBlockClass}),b=e?m.width+o.label.padding-o.mask.padding.left-o.mask.padding.right:0,x=o.loopbackRadius,y=Math.max(c+d.width(i.theme),p+b),k=u+2*x,w=o.line[r.line],A=w.renderRev(w.attrs,{xL:c,dx1:h.lineGap(i.theme,w.attrs),dx2:d.lineGap(i.theme,w.attrs),y1:u,y2:k,xR:y});i.shapeLayer.appendChild(A.shape),h.render(i.shapeLayer,i.theme,A.p1,1),d.render(i.shapeLayer,i.theme,A.p2,1);const v=Math.max(g,h.height(i.theme)/2),S=d.height(i.theme)/2;return f.insertBefore(n.make("rect",{x:c,y:u-v,width:y+x-c,height:v+2*x+S,fill:"transparent"}),f.firstChild),k+Math.max(S+i.theme.minActionMargin,i.theme.actionMargin)}renderSimpleLine(e,t,n,s){const r=e<t?1:-1,i=s.theme.connect.line[n.line],o=a[n.left],l=a[n.right],h=i.renderFlat(i.attrs,{x1:e,dx1:o.lineGap(s.theme,i.attrs)*r,x2:t,dx2:-l.lineGap(s.theme,i.attrs)*r,y:s.primaryY});return s.shapeLayer.appendChild(h.shape),h}renderSimpleArrowheads(e,t,n,s){const r=a[e.left],i=a[e.right];return r.render(n.shapeLayer,n.theme,t.p1,s),i.render(n.shapeLayer,n.theme,t.p2,-s),{lArrow:r,rArrow:i}}renderVirtualSources(e,t,n,s){const r=s.theme.connect.source;e.isVirtualSource&&s.shapeLayer.appendChild(r.render({x:n.p1.x-r.radius,y:n.p1.y,radius:r.radius})),t.isVirtualSource&&s.shapeLayer.appendChild(r.render({x:n.p2.x+r.radius,y:n.p2.y,radius:r.radius}))}renderSimpleConnect({label:e,agentIDs:t,options:r},i){const a=i.theme.connect,o=i.agentInfos.get(t[0]),l=i.agentInfos.get(t[1]),h=o.x<l.x?1:-1,d=i.textSizer.measureHeight(a.label.attrs,e)+a.label.margin.top+a.label.margin.bottom,g=o.x+o.currentMaxRad*h,c=l.x-l.currentMaxRad*h,u=i.primaryY,p=i.makeRegion();s.renderBoxedText(e,{x:(g+c)/2,y:u-d+a.label.margin.top,padding:a.mask.padding,boxAttrs:{fill:"#000000"},labelAttrs:a.label.attrs,boxLayer:i.maskLayer,labelLayer:p,SVGTextBlockClass:i.SVGTextBlockClass});const f=this.renderSimpleLine(g,c,r,i),{lArrow:m,rArrow:b}=this.renderSimpleArrowheads(r,f,i,h);this.renderVirtualSources(o,l,f,i);const x=Math.max(m.height(i.theme),b.height(i.theme))/2;return p.insertBefore(n.make("rect",{x:Math.min(g,c),y:u-Math.max(d,x),width:Math.abs(c-g),height:Math.max(d,x)+x,fill:"transparent"}),p.firstChild),u+Math.max(x+i.theme.minActionMargin,i.theme.actionMargin)}renderPre({label:e,agentIDs:t,options:n},s){const r=s.theme.connect,i=a[n.left],o=a[n.right],l=s.textSizer.measureHeight(r.label.attrs,e)+r.label.margin.top+r.label.margin.bottom;let h=i.height(s.theme);return t[0]!==t[1]&&(h=Math.max(h,o.height(s.theme))),{agentIDs:t,topShift:Math.max(h/2,l)}}render(e,t){return e.agentIDs[0]===e.agentIDs[1]?this.renderSelfConnect(e,t):this.renderSimpleConnect(e,t)}}return t.register("connect",new o),o}),n("sequence/components/Note",["./BaseComponent","svg/SVGUtilities"],(e,t)=>{"use strict";function n(e,t){let n=null,s=null;return t.forEach(t=>{const r=e.get(t);(null===n||r.index<n.index)&&(n=r),(null===s||r.index>s.index)&&(s=r)}),{left:n.id,right:s.id}}class s extends e{renderPre({agentIDs:e}){return{agentIDs:e}}renderNote({xMid:e=null,x0:n=null,x1:s=null,anchor:r,mode:i,label:a},o){const l=o.theme.getNote(i),h=o.makeRegion(),d=o.topY+l.margin.top+l.padding.top,g=new o.SVGTextBlockClass(h,{attrs:l.labelAttrs,formatted:a,y:d}),c=g.width+l.padding.left+l.padding.right,u=l.padding.top+g.height+l.padding.bottom;switch(null===n&&null!==e&&(n=e-c/2),null===s&&null!==n?s=n+c:null===n&&(n=s-c),l.labelAttrs["text-anchor"]){case"middle":g.set({x:(n+l.padding.left+s-l.padding.right)/2,y:d});break;case"end":g.set({x:s-l.padding.right,y:d});break;default:g.set({x:n+l.padding.left,y:d})}return o.shapeLayer.appendChild(l.boxRenderer({x:n,y:o.topY+l.margin.top,width:s-n,height:u})),h.insertBefore(t.make("rect",{x:n,y:o.topY+l.margin.top,width:s-n,height:u,fill:"transparent"}),h.firstChild),o.topY+l.margin.top+u+l.margin.bottom+o.theme.actionMargin}}class r extends s{separation({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),a=r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right,{left:o,right:l}=n(r.agentInfos,e),h=r.agentInfos.get(o),d=r.agentInfos.get(l);if(h!==d){const e=h.currentMaxRad+i.overlap.left,t=d.currentMaxRad+i.overlap.right;r.addSeparation(o,l,a-e-t),r.addSpacing(o,{left:e,right:0}),r.addSpacing(l,{left:0,right:t})}else r.addSpacing(o,{left:a/2,right:a/2})}render({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e),l=r.agentInfos.get(a),h=r.agentInfos.get(o);if(l!==h)return this.renderNote({x0:l.x-l.currentMaxRad-i.overlap.left,x1:h.x+h.currentMaxRad+i.overlap.right,anchor:"middle",mode:t,label:s},r);{const e=l.x;return this.renderNote({xMid:e,anchor:"middle",mode:t,label:s},r)}}}class i extends s{constructor(e){super(),this.isRight=e}separation({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e),l=r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right+i.margin.left+i.margin.right;if(this.isRight){const e=r.agentInfos.get(o);r.addSpacing(o,{left:0,right:l+e.currentMaxRad})}else{const e=r.agentInfos.get(a);r.addSpacing(a,{left:l+e.currentMaxRad,right:0})}}render({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e);if(this.isRight){const e=r.agentInfos.get(o),n=e.x+e.currentMaxRad+i.margin.left;return this.renderNote({x0:n,anchor:"start",mode:t,label:s},r)}{const e=r.agentInfos.get(a),n=e.x-e.currentMaxRad-i.margin.right;return this.renderNote({x1:n,anchor:"end",mode:t,label:s},r)}}}class a extends s{separation({agentIDs:e,mode:t,label:s},r){const i=r.theme.getNote(t),{left:a,right:o}=n(r.agentInfos,e),l=r.agentInfos.get(a),h=r.agentInfos.get(o);r.addSeparation(a,o,r.textSizer.measure(i.labelAttrs,s).width+i.padding.left+i.padding.right+i.margin.left+i.margin.right+l.currentMaxRad+h.currentMaxRad)}render({agentIDs:e,mode:t,label:s},r){const{left:i,right:a}=n(r.agentInfos,e),o=r.agentInfos.get(i),l=r.agentInfos.get(a),h=(o.x+o.currentMaxRad+l.x-l.currentMaxRad)/2;return this.renderNote({xMid:h,anchor:"middle",mode:t,label:s},r)}}return s.NoteOver=r,s.NoteSide=i,s.NoteBetween=a,e.register("note over",new r),e.register("note left",new i(!1)),e.register("note right",new i(!0)),e.register("note between",new a),s}),n("sequence/Renderer",["core/ArrayUtilities","core/EventObject","svg/SVGUtilities","svg/SVGShapes","./components/BaseComponent","./components/Block","./components/Parallel","./components/Marker","./components/AgentCap","./components/AgentHighlight","./components/Connect","./components/Note"],(e,t,n,s,r)=>{"use strict";function i(e,t){let n=null,s=null;return t.forEach(t=>{const r=e.get(t);(null===n||r.index<n.index)&&(n=r),(null===s||r.index>s.index)&&(s=r)}),{left:n.id,right:s.id}}let a=0;return class extends t{constructor({themes:e=[],namespace:t=null,components:n=null,SVGTextBlockClass:i=s.TextBlock}={}){super(),null===n&&(n=r.getComponents()),this._bindMethods(),this.state={},this.width=0,this.height=0,this.themes=function(e){if(0===e.length)throw new Error("Cannot render without a theme");const t=new Map;return e.forEach(e=>{t.set(e.name,e)}),t.set("",e[0]),t}(e),this.theme=null,this.namespace=function(e){return null===e&&(e="R"+a,++a),e}(t),this.components=n,this.SVGTextBlockClass=i,this.knownThemeDefs=new Set,this.knownDefs=new Set,this.highlights=new Map,this.currentHighlight=-1,this.buildStaticElements(),this.components.forEach(e=>{e.makeState(this.state)})}_bindMethods(){this.separationStage=this.separationStage.bind(this),this.renderStage=this.renderStage.bind(this),this.addSeparation=this.addSeparation.bind(this),this.addThemeDef=this.addThemeDef.bind(this),this.addDef=this.addDef.bind(this)}addTheme(e){this.themes.set(e.name,e)}buildStaticElements(){this.base=n.makeContainer(),this.themeDefs=n.make("defs"),this.defs=n.make("defs"),this.mask=n.make("mask",{id:this.namespace+"LineMask",maskUnits:"userSpaceOnUse"}),this.maskReveal=n.make("rect",{fill:"#FFFFFF"}),this.agentLines=n.make("g",{mask:"url(#"+this.namespace+"LineMask)"}),this.blocks=n.make("g"),this.actionShapes=n.make("g"),this.actionLabels=n.make("g"),this.base.appendChild(this.themeDefs),this.base.appendChild(this.defs),this.base.appendChild(this.agentLines),this.base.appendChild(this.blocks),this.base.appendChild(this.actionShapes),this.base.appendChild(this.actionLabels),this.title=new this.SVGTextBlockClass(this.base),this.sizer=new this.SVGTextBlockClass.SizeTester(this.base)}addThemeDef(e,t){const n=this.namespace+e;if(this.knownThemeDefs.has(e))return n;this.knownThemeDefs.add(e);const s=t();return s.setAttribute("id",n),this.themeDefs.appendChild(s),n}addDef(e,t){const n=this.namespace+e;if(this.knownDefs.has(e))return n;this.knownDefs.add(e);const s=t();return s.setAttribute("id",n),this.defs.appendChild(s),n}addSeparation(e,t,n){const s=this.agentInfos.get(e),r=this.agentInfos.get(t),i=s.separations.get(t)||0;s.separations.set(t,Math.max(i,n));const a=r.separations.get(e)||0;r.separations.set(e,Math.max(a,n))}separationStage(t){const n=new Map,s=this.visibleAgentIDs.slice();this.agentInfos.forEach(e=>{const t=e.currentRad;e.currentMaxRad=t,n.set(e.id,{left:t,right:t})});const r={theme:this.theme,agentInfos:this.agentInfos,visibleAgentIDs:this.visibleAgentIDs,momentaryAgentIDs:s,textSizer:this.sizer,addSpacing:(e,{left:t,right:s})=>{const r=n.get(e);r.left=Math.max(r.left,t),r.right=Math.max(r.right,s)},addSeparation:this.addSeparation,state:this.state,components:this.components},i=this.components.get(t.type);if(!i)throw new Error("Unknown component: "+t.type);i.separationPre(t,r),i.separation(t,r),e.mergeSets(s,this.visibleAgentIDs),s.forEach(e=>{const t=this.agentInfos.get(e),r=n.get(e);t.maxRPad=Math.max(t.maxRPad,r.right),t.maxLPad=Math.max(t.maxLPad,r.left),s.forEach(s=>{if(this.agentInfos.get(s).index>=t.index)return;const i=n.get(s);this.addSeparation(e,s,r.left+i.right+this.theme.agentMargin)})})}checkAgentRange(e,t=0){if(0===e.length)return t;const{left:n,right:s}=i(this.agentInfos,e),r=this.agentInfos.get(n).x,a=this.agentInfos.get(s).x;let o=t;return this.agentInfos.forEach(e=>{e.x>=r&&e.x<=a&&(o=Math.max(o,e.latestY))}),o}markAgentRange(e,t){if(0===e.length)return;const{left:n,right:s}=i(this.agentInfos,e),r=this.agentInfos.get(n).x,a=this.agentInfos.get(s).x;this.agentInfos.forEach(e=>{e.x>=r&&e.x<=a&&(e.latestY=t)})}drawAgentLine(e,t){null===e.latestYStart||t<=e.latestYStart||this.agentLines.appendChild(this.theme.renderAgentLine({x:e.x,y0:e.latestYStart,y1:t,width:2*e.currentRad,className:"agent-"+e.index+"-line"}))}addHighlightObject(e,t){let n=this.highlights.get(e);n||(n=[],this.highlights.set(e,n)),n.push(t)}renderStage(e){this.agentInfos.forEach(e=>{const t=e.currentRad;e.currentMaxRad=t});const t={theme:this.theme,agentInfos:this.agentInfos,textSizer:this.sizer,state:this.state,components:this.components},s=this.components.get(e.type),i=s.renderPre(e,t),{topShift:a,agentIDs:o,asynchronousY:l}=r.cleanRenderPreResult(i,this.currentY),h=this.checkAgentRange(o,l),d={topY:h,primaryY:h+a,blockLayer:this.blocks,shapeLayer:this.actionShapes,labelLayer:this.actionLabels,maskLayer:this.mask,theme:this.theme,agentInfos:this.agentInfos,textSizer:this.sizer,SVGTextBlockClass:this.SVGTextBlockClass,state:this.state,drawAgentLine:(e,t,n=!1)=>{const s=this.agentInfos.get(e);this.drawAgentLine(s,t),s.latestYStart=n?null:t},addDef:this.addDef,makeRegion:(t,s=null)=>{t||(t=n.make("g"));const r=s||e;return this.addHighlightObject(r.ln,t),t.setAttribute("class","region"),t.addEventListener("mouseenter",()=>{this.trigger("mouseover",[r])}),t.addEventListener("mouseleave",()=>{this.trigger("mouseout")}),t.addEventListener("click",()=>{this.trigger("click",[r])}),this.actionLabels.appendChild(t),t},components:this.components},g=Math.max(h,s.render(e,d)||0);this.markAgentRange(o,g),this.currentY=g}positionAgents(){const e=[];this.agentInfos.forEach(t=>{let n=0;t.separations.forEach((e,s)=>{const r=this.agentInfos.get(s);r.index<t.index&&(n=Math.max(n,r.x+e))}),t.x=n,e.push(t)});let t={x:0};e.reverse().forEach(e=>{let n=t.x;t=e,e.anchorRight&&(e.separations.forEach((t,s)=>{const r=this.agentInfos.get(s);r.index>e.index&&(n=Math.min(n,r.x-t))}),e.x=n)}),this.agentInfos.forEach(({x:e,maxRPad:t,maxLPad:n})=>{this.minX=Math.min(this.minX,e-n),this.maxX=Math.max(this.maxX,e+t)})}buildAgentInfos(e,t){this.agentInfos=new Map,e.forEach((e,t)=>{this.agentInfos.set(e.id,{id:e.id,formattedLabel:e.formattedLabel,anchorRight:e.anchorRight,isVirtualSource:e.isVirtualSource,index:t,x:null,latestYStart:null,currentRad:0,currentMaxRad:0,latestY:0,maxRPad:0,maxLPad:0,separations:new Map})}),this.visibleAgentIDs=["[","]"],t.forEach(this.separationStage),this.positionAgents()}updateBounds(e){const t=(this.minX+this.maxX)/2,n=this.title.height>0?-this.theme.titleMargin-this.title.height:0;this.title.set({x:t,y:n});const s=this.title.width/2,r=this.theme.outerMargin,i=Math.min(this.minX,t-s)-r,a=Math.max(this.maxX,t+s)+r,o=n-r,l=e+r;this.maskReveal.setAttribute("x",i),this.maskReveal.setAttribute("y",o),this.maskReveal.setAttribute("width",a-i),this.maskReveal.setAttribute("height",l-o),this.base.setAttribute("viewBox",i+" "+o+" "+(a-i)+" "+(l-o)),this.width=a-i,this.height=l-o}_resetState(){this.components.forEach(e=>{e.resetState(this.state)}),this.currentY=0}_reset(e){e&&(this.knownThemeDefs.clear(),n.empty(this.themeDefs)),this.knownDefs.clear(),this.highlights.clear(),this.currentHighlight=-1,n.empty(this.defs),n.empty(this.mask),n.empty(this.agentLines),n.empty(this.blocks),n.empty(this.actionShapes),n.empty(this.actionLabels),this.mask.appendChild(this.maskReveal),this.defs.appendChild(this.mask),this._resetState()}setHighlight(e=null){null!==e&&this.highlights.has(e)||(e=-1),this.currentHighlight!==e&&(-1!==this.currentHighlight&&this.highlights.get(this.currentHighlight).forEach(e=>{e.setAttribute("class","region")}),-1!==e&&this.highlights.get(e).forEach(e=>{e.setAttribute("class","region focus")}),this.currentHighlight=e)}render(e){const t=this.currentHighlight,n=this.theme;this.theme=this.getThemeNamed(e.meta.theme);const s=this.theme!==n;this._reset(s),this.theme.reset(),this.theme.addDefs(this.addThemeDef),this.title.set({attrs:this.theme.titleAttrs,formatted:e.meta.title}),this.minX=0,this.maxX=0,this.buildAgentInfos(e.agents,e.stages),this._resetState(),e.stages.forEach(this.renderStage);const r=this.checkAgentRange(["[","]"],this.currentY),i=Math.max(r-this.theme.actionMargin,0);this.updateBounds(i),this.sizer.resetCache(),this.sizer.detach(),this.setHighlight(t)}getThemeNames(){return Array.from(this.themes.keys()).filter(e=>""!==e)}getThemes(){return this.getThemeNames().map(e=>this.themes.get(e))}getThemeNamed(e){const t=this.themes.get(e);return t||this.themes.get("")}getAgentX(e){return this.agentInfos.get(e).x}svg(){return this.base}}}),n("sequence/Exporter",[],()=>{"use strict";const e=/^((?!chrome|android).)*safari/i.test(navigator.userAgent),t=void 0!==window.InstallTrigger;return class{constructor(){this.latestSVG=null,this.latestInternalSVG=null,this.canvas=null,this.context=null,this.indexPNG=0,this.latestPNGIndex=0,this.latestPNG=null}getSVGContent(e,n=null){let s=e.svg().outerHTML;return t&&n&&(s=s.replace(/^<svg/,'<svg width="'+n.width+'" height="'+n.height+'" ')),s}getSVGBlob(e,t=null){return new Blob([this.getSVGContent(e,t)],{type:"image/svg+xml"})}getSVGURL(e,t=null){const n=this.getSVGBlob(e,t);return t?(this.latestInternalSVG&&URL.revokeObjectURL(this.latestInternalSVG),this.latestInternalSVG=URL.createObjectURL(n),this.latestInternalSVG):(this.latestSVG&&URL.revokeObjectURL(this.latestSVG),this.latestSVG=URL.createObjectURL(n),this.latestSVG)}getPNGBlob(t,n,s){this.canvas||(window.devicePixelRatio=1,this.canvas=document.createElement("canvas"),this.context=this.canvas.getContext("2d"));const r=t.width*n,i=t.height*n,a=new Image(r,i);let o=null;e&&((o=document.createElement("div")).style.position="absolute",o.style.visibility="hidden",o.appendChild(a),document.body.appendChild(o)),a.addEventListener("load",()=>{this.canvas.width=r,this.canvas.height=i,this.context.drawImage(a,0,0),o&&document.body.removeChild(o),this.canvas.toBlob(s,"image/png")},{once:!0}),a.src=this.getSVGURL(t,{width:r,height:i})}getPNGURL(e,t,n){++this.indexPNG;const s=this.indexPNG;this.getPNGBlob(e,t,e=>{const t=URL.createObjectURL(e);s>=this.latestPNGIndex?(this.latestPNG&&URL.revokeObjectURL(this.latestPNG),this.latestPNG=t,this.latestPNGIndex=s,n(t,!0)):(n(t,!1),URL.revokeObjectURL(t))})}}}),n("sequence/CodeMirrorHints",["core/ArrayUtilities"],e=>{"use strict";function t(e,t){return{text:e,displayText:"\n"===e?"<END>":e.trim(),className:"\n"===e?"pick-virtual":null,from:r.test(e)?t.squashFrom:t.wordFrom,to:i.test(e)?t.squashTo:t.wordTo}}function n({global:e,prefix:t="",suffix:n=""},s){const r=s[e];return r?r.map(e=>t+e+n):[]}const s=/^([ \t]*)(.*)$/,r=/^[ \t\r\n:,]/,i=/[ \t\r\n]$/;return{getHints:function(r,i){const a=r.getCursor(),o=r.getTokenAt(a);let l=o.string;o.end>a.ch&&(l=l.substr(0,a.ch-o.start));const h=s.exec(l);l=h[2];const d=o.start+h[1].length,g=a.ch>0&&o.state.line.length>0;let c=g?o.state.completions:o.state.beginCompletions;g||(c=c.concat(o.state.knownAgent)),function(t,s={}){for(let r=0;r<t.length;)if("object"==typeof t[r]){const i=n(t[r],s);e.mergeSets(t,i),t.splice(r,1)}else++r}(c,r.options.globals);const u=function(e,t,n,s){const r=e.getLine(t),i={wordFrom:{line:t,ch:n},squashFrom:{line:t,ch:n},wordTo:{line:t,ch:s},squashTo:{line:t,ch:s}};return n>0&&" "===r[n-1]&&i.squashFrom.ch--," "===r[s]&&i.squashTo.ch++,i}(r,a.line,d,o.end);let p=!1;const f=c.filter(e=>e.startsWith(l)).map(e=>e!==l+" "||i.completeSingle?t(e,u):(p=!0,null)).filter(e=>null!==e);return p&&f.length>0&&f.unshift(t(l+" ",u)),{list:f,from:u.wordFrom,to:u.wordTo}}}}),n("sequence/themes/BaseTheme",["svg/SVGUtilities","svg/SVGShapes"],(e,t)=>{"use strict";function n(e){if("object"!=typeof e||!e)return e;const t={};for(let s in e)e.hasOwnProperty(s)&&(t[s]=n(e[s]));return t}class s{constructor({name:e,settings:t,blocks:s,notes:r}){this.name=e,this.blocks=n(s),this.notes=n(r),Object.assign(this,n(t))}reset(){}addDefs(){}getBlock(e){return this.blocks[e]||this.blocks[""]}getNote(e){return this.notes[e]||this.notes[""]}renderAgentLine({x:t,y0:n,y1:s,width:r,className:i}){return r>0?e.make("rect",Object.assign({x:t-r/2,y:n,width:r,height:s-n,class:i},this.agentLineAttrs)):e.make("line",Object.assign({x1:t,y1:n,x2:t,y2:s,class:i},this.agentLineAttrs))}}return s.renderHorizArrowHead=((t,{x:n,y:s,dx:r,dy:i})=>e.make("none"===t.fill?"polyline":"polygon",Object.assign({points:n+r+" "+(s-i)+" "+n+" "+s+" "+(n+r)+" "+(s+i)},t))),s.renderTag=((t,{x:n,y:s,width:r,height:i})=>{const{rx:a,ry:o}=t,l=n+r,h=s+i,d="M"+l+" "+s+"L"+l+" "+(h-o)+"L"+(l-a)+" "+h+"L"+n+" "+h,g=e.make("g");return"none"!==t.fill&&g.appendChild(e.make("path",Object.assign({d:d+"L"+n+" "+s},t,{stroke:"none"}))),"none"!==t.stroke&&g.appendChild(e.make("path",Object.assign({d:d},t,{fill:"none"}))),g}),s.renderCross=((t,{x:n,y:s,radius:r})=>e.make("path",Object.assign({d:"M"+(n-r)+" "+(s-r)+"l"+2*r+" "+2*r+"m0 "+2*-r+"l"+2*-r+" "+2*r},t))),s.WavePattern=class{constructor(e,t){Array.isArray(t)?this.deltas=t:this.deltas=[0,2*-t/3,-t,2*-t/3,0,2*t/3,t,2*t/3],this.partWidth=e/this.deltas.length}getDelta(e){return this.deltas[e%this.deltas.length]}},s.renderFlatConnector=((n,s,{x1:r,dx1:i,x2:a,dx2:o,y:l})=>({shape:e.make("path",Object.assign({d:new t.PatternedLine(n).move(r+i,l).line(a+o,l).cap().asPath()},s)),p1:{x:r,y:l},p2:{x:a,y:l}})),s.renderRevConnector=((n,s,{xL:r,dx1:i,dx2:a,y1:o,y2:l,xR:h})=>({shape:e.make("path",Object.assign({d:new t.PatternedLine(n).move(r+i,o).line(h,o).arc(h,(o+l)/2,Math.PI).line(r+a,l).cap().asPath()},s)),p1:{x:r,y:o},p2:{x:r,y:l}})),s}),n("sequence/themes/Basic",["./BaseTheme","svg/SVGUtilities","svg/SVGShapes"],(e,t,n)=>{"use strict";const s="sans-serif",r=new e.WavePattern(6,.5),i={titleMargin:10,outerMargin:5,agentMargin:10,actionMargin:10,minActionMargin:3,agentLineHighlightRadius:4,agentCap:{box:{padding:{top:5,left:10,right:10,bottom:5},arrowBottom:12.8,boxAttrs:{fill:"#FFFFFF",stroke:"#000000","stroke-width":1},labelAttrs:{"font-family":s,"font-size":12,"line-height":1.3,"text-anchor":"middle"}},cross:{size:20,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":1})},bar:{height:4,render:n.renderBox.bind(null,{fill:"#000000",stroke:"#000000","stroke-width":1})},fade:{width:5,height:6,extend:1},none:{height:10}},connect:{loopbackRadius:6,line:{solid:{attrs:{fill:"none",stroke:"#000000","stroke-width":1},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},dash:{attrs:{fill:"none",stroke:"#000000","stroke-width":1,"stroke-dasharray":"4, 2"},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},wave:{attrs:{fill:"none",stroke:"#000000","stroke-width":1,"stroke-linejoin":"round","stroke-linecap":"round"},renderFlat:e.renderFlatConnector.bind(null,r),renderRev:e.renderRevConnector.bind(null,r)}},arrow:{single:{width:5,height:10,render:e.renderHorizArrowHead,attrs:{fill:"#000000","stroke-width":0,"stroke-linejoin":"miter"}},double:{width:4,height:6,render:e.renderHorizArrowHead,attrs:{fill:"none",stroke:"#000000","stroke-width":1,"stroke-linejoin":"miter"}},cross:{short:7,radius:3,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":1})}},label:{padding:6,margin:{top:2,bottom:1},attrs:{"font-family":s,"font-size":8,"line-height":1.3,"text-anchor":"middle"},loopbackAttrs:{"font-family":s,"font-size":8,"line-height":1.3}},source:{radius:2,render:({x:e,y:n,radius:s})=>t.make("circle",{cx:e,cy:n,r:s,fill:"#000000",stroke:"#000000","stroke-width":1})},mask:{padding:{top:0,left:3,right:3,bottom:1}}},titleAttrs:{"font-family":s,"font-size":20,"line-height":1.3,"text-anchor":"middle",class:"title"},agentLineAttrs:{fill:"none",stroke:"#000000","stroke-width":1}},a={padding:{top:3,bottom:2},tag:{padding:{top:1,left:3,right:3,bottom:0},boxRenderer:e.renderTag.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1,rx:2,ry:2}),labelAttrs:{"font-family":s,"font-weight":"bold","font-size":9,"line-height":1.3,"text-anchor":"left"}},label:{padding:{top:1,left:5,right:3,bottom:0},labelAttrs:{"font-family":s,"font-size":8,"line-height":1.3,"text-anchor":"left"}}},o={ref:{margin:{top:0,bottom:0},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1.5,rx:2,ry:2}),section:a},"":{margin:{top:0,bottom:0},boxRenderer:n.renderBox.bind(null,{fill:"none",stroke:"#000000","stroke-width":1.5,rx:2,ry:2}),section:a,sepRenderer:n.renderLine.bind(null,{stroke:"#000000","stroke-width":1.5,"stroke-dasharray":"4, 2"})}},l={"font-family":s,"font-size":8,"line-height":1.3},h={text:{margin:{top:0,left:2,right:2,bottom:0},padding:{top:2,left:2,right:2,bottom:2},overlap:{left:10,right:10},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF"}),labelAttrs:l},note:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:5,left:5,right:10,bottom:5},overlap:{left:10,right:10},boxRenderer:n.renderNote.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1},{fill:"none",stroke:"#000000","stroke-width":1}),labelAttrs:l},state:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:7,left:7,right:7,bottom:7},overlap:{left:10,right:10},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1,rx:10,ry:10}),labelAttrs:l}};return class extends e{constructor(){super({name:"basic",settings:i,blocks:o,notes:h})}}}),n("sequence/themes/Monospace",["./BaseTheme","svg/SVGUtilities","svg/SVGShapes"],(e,t,n)=>{"use strict";const s="monospace",r=new e.WavePattern(6,[0,-.25,-.5,-.25,0,.25,.5,.25]),i={titleMargin:8,outerMargin:4,agentMargin:12,actionMargin:12,minActionMargin:4,agentLineHighlightRadius:4,agentCap:{box:{padding:{top:4,left:8,right:8,bottom:4},arrowBottom:12,boxAttrs:{fill:"#FFFFFF",stroke:"#000000","stroke-width":1},labelAttrs:{"font-family":s,"font-size":12,"line-height":1.3,"text-anchor":"middle"}},cross:{size:16,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":1})},bar:{height:4,render:n.renderBox.bind(null,{fill:"#000000",stroke:"#000000","stroke-width":1})},fade:{width:5,height:8,extend:1},none:{height:8}},connect:{loopbackRadius:4,line:{solid:{attrs:{fill:"none",stroke:"#000000","stroke-width":1},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},dash:{attrs:{fill:"none",stroke:"#000000","stroke-width":1,"stroke-dasharray":"4, 4"},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},wave:{attrs:{fill:"none",stroke:"#000000","stroke-width":1},renderFlat:e.renderFlatConnector.bind(null,r),renderRev:e.renderRevConnector.bind(null,r)}},arrow:{single:{width:4,height:8,render:e.renderHorizArrowHead,attrs:{fill:"#000000","stroke-width":0,"stroke-linejoin":"miter"}},double:{width:3,height:6,render:e.renderHorizArrowHead,attrs:{fill:"none",stroke:"#000000","stroke-width":1,"stroke-linejoin":"miter"}},cross:{short:8,radius:4,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":1})}},label:{padding:4,margin:{top:2,bottom:1},attrs:{"font-family":s,"font-size":8,"line-height":1.3,"text-anchor":"middle"},loopbackAttrs:{"font-family":s,"font-size":8,"line-height":1.3}},source:{radius:2,render:({x:e,y:n,radius:s})=>t.make("circle",{cx:e,cy:n,r:s,fill:"#000000",stroke:"#000000","stroke-width":1})},mask:{padding:{top:0,left:3,right:3,bottom:1}}},titleAttrs:{"font-family":s,"font-size":20,"line-height":1.3,"text-anchor":"middle",class:"title"},agentLineAttrs:{fill:"none",stroke:"#000000","stroke-width":1}},a={padding:{top:3,bottom:2},tag:{padding:{top:2,left:4,right:4,bottom:2},boxRenderer:e.renderTag.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1,rx:3,ry:3}),labelAttrs:{"font-family":s,"font-weight":"bold","font-size":9,"line-height":1.3,"text-anchor":"left"}},label:{padding:{top:2,left:8,right:8,bottom:2},labelAttrs:{"font-family":s,"font-size":8,"line-height":1.3,"text-anchor":"left"}}},o={ref:{margin:{top:0,bottom:0},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":2}),section:a},"":{margin:{top:0,bottom:0},boxRenderer:n.renderBox.bind(null,{fill:"none",stroke:"#000000","stroke-width":2}),section:a,sepRenderer:n.renderLine.bind(null,{stroke:"#000000","stroke-width":2,"stroke-dasharray":"8, 4"})}},l={"font-family":s,"font-size":8,"line-height":1.3},h={text:{margin:{top:0,left:8,right:8,bottom:0},padding:{top:4,left:4,right:4,bottom:4},overlap:{left:8,right:8},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF"}),labelAttrs:l},note:{margin:{top:0,left:8,right:8,bottom:0},padding:{top:8,left:8,right:8,bottom:8},overlap:{left:8,right:8},boxRenderer:n.renderNote.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1},{fill:"none",stroke:"#000000","stroke-width":1}),labelAttrs:l},state:{margin:{top:0,left:8,right:8,bottom:0},padding:{top:8,left:8,right:8,bottom:8},overlap:{left:8,right:8},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":1,rx:8,ry:8}),labelAttrs:l}};return class extends e{constructor(){super({name:"monospace",settings:i,blocks:o,notes:h})}}}),n("sequence/themes/Chunky",["./BaseTheme","svg/SVGUtilities","svg/SVGShapes"],(e,t,n)=>{"use strict";const s="sans-serif",r=new e.WavePattern(10,1),i={titleMargin:12,outerMargin:5,agentMargin:8,actionMargin:5,minActionMargin:5,agentLineHighlightRadius:4,agentCap:{box:{padding:{top:1,left:3,right:3,bottom:1},arrowBottom:11.1,boxAttrs:{fill:"#FFFFFF",stroke:"#000000","stroke-width":3,rx:4,ry:4},labelAttrs:{"font-family":s,"font-weight":"bold","font-size":14,"line-height":1.3,"text-anchor":"middle"}},cross:{size:20,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":3,"stroke-linecap":"round"})},bar:{height:4,render:n.renderBox.bind(null,{fill:"#000000",stroke:"#000000","stroke-width":3,rx:2,ry:2})},fade:{width:5,height:10,extend:1},none:{height:10}},connect:{loopbackRadius:8,line:{solid:{attrs:{fill:"none",stroke:"#000000","stroke-width":3},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},dash:{attrs:{fill:"none",stroke:"#000000","stroke-width":3,"stroke-dasharray":"10, 4"},renderFlat:e.renderFlatConnector.bind(null,null),renderRev:e.renderRevConnector.bind(null,null)},wave:{attrs:{fill:"none",stroke:"#000000","stroke-width":3,"stroke-linejoin":"round","stroke-linecap":"round"},renderFlat:e.renderFlatConnector.bind(null,r),renderRev:e.renderRevConnector.bind(null,r)}},arrow:{single:{width:10,height:12,render:e.renderHorizArrowHead,attrs:{fill:"#000000",stroke:"#000000","stroke-width":3,"stroke-linejoin":"round"}},double:{width:10,height:12,render:e.renderHorizArrowHead,attrs:{fill:"none",stroke:"#000000","stroke-width":3,"stroke-linejoin":"round","stroke-linecap":"round"}},cross:{short:10,radius:5,render:e.renderCross.bind(null,{fill:"none",stroke:"#000000","stroke-width":3,"stroke-linejoin":"round","stroke-linecap":"round"})}},label:{padding:7,margin:{top:2,bottom:3},attrs:{"font-family":s,"font-size":8,"line-height":1.3,"text-anchor":"middle"},loopbackAttrs:{"font-family":s,"font-size":8,"line-height":1.3}},source:{radius:5,render:({x:e,y:n,radius:s})=>t.make("circle",{cx:e,cy:n,r:s,fill:"#000000",stroke:"#000000","stroke-width":3})},mask:{padding:{top:1,left:5,right:5,bottom:3}}},titleAttrs:{"font-family":s,"font-weight":"bolder","font-size":20,"line-height":1.3,"text-anchor":"middle",class:"title"},agentLineAttrs:{fill:"none",stroke:"#000000","stroke-width":3}},a={padding:{top:3,bottom:4},tag:{padding:{top:2,left:5,right:5,bottom:1},boxRenderer:e.renderTag.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":2,rx:3,ry:3}),labelAttrs:{"font-family":s,"font-weight":"bold","font-size":9,"line-height":1.3,"text-anchor":"left"}},label:{padding:{top:2,left:5,right:3,bottom:0},labelAttrs:{"font-family":s,"font-size":8,"line-height":1.3,"text-anchor":"left"}}},o={ref:{margin:{top:0,bottom:0},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":4,rx:5,ry:5}),section:a},"":{margin:{top:0,bottom:0},boxRenderer:n.renderBox.bind(null,{fill:"none",stroke:"#000000","stroke-width":4,rx:5,ry:5}),section:a,sepRenderer:n.renderLine.bind(null,{stroke:"#000000","stroke-width":2,"stroke-dasharray":"5, 3"})}},l={"font-family":s,"font-size":8,"line-height":1.3},h={text:{margin:{top:0,left:2,right:2,bottom:0},padding:{top:2,left:2,right:2,bottom:2},overlap:{left:10,right:10},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF"}),labelAttrs:l},note:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:3,left:3,right:10,bottom:3},overlap:{left:10,right:10},boxRenderer:n.renderNote.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":2,"stroke-linejoin":"round"},{fill:"none",stroke:"#000000","stroke-width":1}),labelAttrs:l},state:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:5,left:7,right:7,bottom:5},overlap:{left:10,right:10},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF",stroke:"#000000","stroke-width":3,rx:10,ry:10}),labelAttrs:l}};return class extends e{constructor(){super({name:"chunky",settings:i,blocks:o,notes:h})}}}),n("sequence/themes/HandleeFontData",[],()=>{"use strict";return{name:"Handlee",woff2:"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strict";const r="'"+s.name+"',cursive",i={stroke:"rgba(0,0,0,0.7)","stroke-width":.8,"stroke-linejoin":"round","stroke-linecap":"round"},a={stroke:"rgba(0,0,0,0.8)","stroke-width":1.2,"stroke-linejoin":"round","stroke-linecap":"round"},o={titleMargin:10,outerMargin:5,agentMargin:10,actionMargin:10,minActionMargin:3,agentLineHighlightRadius:4,agentCap:{box:{padding:{top:5,left:10,right:10,bottom:5},arrowBottom:12.8,labelAttrs:{"font-family":r,"font-size":12,"line-height":1.5,"text-anchor":"middle"},boxRenderer:null},cross:{size:15,render:null},bar:{height:6,render:null},fade:{width:Math.ceil(12),height:6,extend:Math.ceil(2.5)},none:{height:10}},connect:{loopbackRadius:6,line:{solid:{attrs:Object.assign({fill:"none"},i),renderFlat:null,renderRev:null},dash:{attrs:Object.assign({fill:"none","stroke-dasharray":"4, 2"},i),renderFlat:null,renderRev:null},wave:{attrs:Object.assign({fill:"none","stroke-linejoin":"round","stroke-linecap":"round"},i),renderFlat:null,renderRev:null}},arrow:{single:{width:5,height:6,attrs:Object.assign({fill:"rgba(0,0,0,0.9)"},i),render:null},double:{width:4,height:8,attrs:Object.assign({fill:"none"},i),render:null},cross:{short:5,radius:3,render:null}},label:{padding:6,margin:{top:2,bottom:1},attrs:{"font-family":r,"font-size":8,"line-height":1.5,"text-anchor":"middle"},loopbackAttrs:{"font-family":r,"font-size":8,"line-height":1.5}},source:{radius:1,render:({x:e,y:n,radius:s})=>t.make("circle",{cx:e,cy:n,r:s,fill:"#000000",stroke:"#000000","stroke-width":1})},mask:{padding:{top:0,left:3,right:3,bottom:1}}},titleAttrs:{"font-family":r,"font-size":20,"line-height":1.5,"text-anchor":"middle",class:"title"},agentLineAttrs:{fill:"none",stroke:"#000000","stroke-width":1}},l={padding:{top:3,bottom:2},tag:{padding:{top:2,left:3,right:5,bottom:0},boxRenderer:null,labelAttrs:{"font-family":r,"font-weight":"bold","font-size":9,"line-height":1.5,"text-anchor":"left"}},label:{padding:{top:2,left:5,right:3,bottom:0},labelAttrs:{"font-family":r,"font-size":8,"line-height":1.5,"text-anchor":"left"}}},h={ref:{margin:{top:0,bottom:0},boxRenderer:null,section:l},"":{margin:{top:0,bottom:0},boxRenderer:null,section:l,sepRenderer:null}},d={"font-family":r,"font-size":8,"line-height":1.5},g={text:{margin:{top:0,left:6,right:6,bottom:0},padding:{top:2,left:2,right:2,bottom:2},overlap:{left:10,right:10},boxRenderer:n.renderBox.bind(null,{fill:"#FFFFFF"}),labelAttrs:d},note:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:5,left:5,right:10,bottom:5},overlap:{left:10,right:10},boxRenderer:null,labelAttrs:d},state:{margin:{top:0,left:5,right:5,bottom:0},padding:{top:7,left:7,right:7,bottom:7},overlap:{left:10,right:10},boxRenderer:null,labelAttrs:d}};class c{constructor(){this.s=new Uint32Array(4)}reset(){this.s[0]=394173556,this.s[1]=2926575054,this.s[2]=1022685995,this.s[3]=1178902408}nextFloat(){let e=this.s[0],t=this.s[1];const n=this.s[2],s=this.s[3];return this.s[0]=n,this.s[1]=s,e^=e<<23|t>>>9,t^=t<<23,this.s[2]=e^n^e>>>17^n>>>26,this.s[3]=t^s^(e<<15|t>>>17)^(n<<6|s>>>26),(this.s[3]+s>>>0)%4294967296/4294967296}}const u={};class p extends e.WavePattern{constructor(e,t){const n=[0,-.3,-.6,-.75,-.45,0,.45,.75,.6,.3];t!==u&&n.reverse(),super(6,n)}getDelta(e){return super.getDelta(e)+.5*Math.sin(.03*e)}}class f extends e{constructor(e=u){super({name:"",settings:o,blocks:h,notes:g}),e===u?(this.name="sketch",this.handedness=1):(this.name="sketch left handed",this.handedness=-1),this.random=new c,this.wave=new p(4,e),this._assignCapFunctions(),this._assignConnectFunctions(),this._assignNoteFunctions(),this._assignBlockFunctions()}_assignCapFunctions(){this.renderBar=this.renderBar.bind(this),this.renderBox=this.renderBox.bind(this),this.agentCap.cross.render=this.renderCross.bind(this),this.agentCap.bar.render=this.renderBar,this.agentCap.box.boxRenderer=this.renderBox}_assignConnectFunctions(){this.renderArrowHead=this.renderArrowHead.bind(this),this.renderFlatConnector=this.renderFlatConnector.bind(this),this.renderRevConnector=this.renderRevConnector.bind(this),this.connect.arrow.single.render=this.renderArrowHead,this.connect.arrow.double.render=this.renderArrowHead,this.connect.arrow.cross.render=this.renderCross.bind(this),this.connect.line.solid.renderFlat=this.renderFlatConnector,this.connect.line.solid.renderRev=this.renderRevConnector,this.connect.line.dash.renderFlat=this.renderFlatConnector,this.connect.line.dash.renderRev=this.renderRevConnector,this.connect.line.wave.renderFlat=this.renderFlatConnectorWave.bind(this),this.connect.line.wave.renderRev=this.renderRevConnectorWave.bind(this)}_assignNoteFunctions(){this.notes.note.boxRenderer=this.renderNote.bind(this),this.notes.state.boxRenderer=this.renderState.bind(this)}_assignBlockFunctions(){this.renderTag=this.renderTag.bind(this),this.blocks.ref.boxRenderer=this.renderRefBlock.bind(this),this.blocks[""].boxRenderer=this.renderBlock.bind(this),this.blocks.ref.section.tag.boxRenderer=this.renderTag,this.blocks[""].section.tag.boxRenderer=this.renderTag,this.blocks[""].sepRenderer=this.renderSeparator.bind(this)}reset(){this.random.reset()}addDefs(e){e("sketch_font",()=>{const e=document.createElement("style");return e.innerText='@font-face{font-family:"'+s.name+'";src:url("data:font/woff2;base64,'+s.woff2+'");}',e})}vary(e,t=0){if(!e)return t;const n=this.random.nextFloat();return t+2*Math.asin(2*n-1)*e/Math.PI}lineNodes(e,t,{var1:n=1,var2:s=1,varX:r=1,varY:i=1,move:a=!0}){const o=Math.sqrt((t.x-e.x)*(t.x-e.x)+(t.y-e.y)*(t.y-e.y)),l=Math.min(.2*Math.sqrt(o),5),h=this.vary(n*r*l,e.x),d=this.vary(n*i*l,e.y),g=this.vary(s*r*l,t.x),c=this.vary(s*i*l,t.y),u=Math.max(-1,Math.min(1,(d-c)/(Math.abs(h-g)+.001)))/6+.5,p=this.vary(.5,.5)*l,f=this.vary(.5,.5)*l,m=h*(1-u)+g*u-p*this.handedness;return{nodes:(a?"M"+h+" "+d:"")+"C"+m+" "+(d*(1-u)+c*u-f)+","+g+" "+c+","+g+" "+c,p1:{x:h,y:d},p2:{x:g,y:c}}}renderLine(e,n,s){const r=this.lineNodes(e,n,s);return t.make("path",Object.assign({d:r.nodes,fill:"none","stroke-dasharray":s.dash?"6, 5":"none"},s.thick?a:i))}renderBox({x:e,y:n,width:s,height:r},{fill:o=null,thick:l=!1}={}){const h=this.lineNodes({x:e,y:n},{x:e+s,y:n},{}),d=this.lineNodes({x:e+s,y:n+r},{x:e,y:n+r},{move:!1}),g=this.lineNodes(h.p2,d.p1,{var1:0,var2:0,move:!1}),c=this.lineNodes(d.p2,h.p1,{var1:0,var2:.3,move:!1});return t.make("path",Object.assign({d:h.nodes+g.nodes+d.nodes+c.nodes,fill:o||"#FFFFFF"},l?a:i))}renderNote({x:e,y:n,width:s,height:r}){const a=this.lineNodes({x:e,y:n},{x:e+s-5,y:n},{}),o=this.lineNodes(a.p2,{x:e+s,y:n+5},{move:!1,var1:0}),l=this.lineNodes({x:e+s,y:n+r},{x:e,y:n+r},{move:!1}),h=this.lineNodes(o.p2,l.p1,{var1:0,var2:0,move:!1}),d=this.lineNodes(l.p2,a.p1,{var1:0,var2:.3,move:!1}),g=this.lineNodes(o.p1,{x:e+s-5,y:n+5},{var1:.3}),c=this.lineNodes(g.p2,o.p2,{var1:0,move:!1}),u=t.make("g");return u.appendChild(t.make("path",Object.assign({d:a.nodes+o.nodes+h.nodes+l.nodes+d.nodes,fill:"#FFFFFF"},i))),u.appendChild(t.make("path",Object.assign({d:g.nodes+c.nodes,fill:"none"},i))),u}renderFlatConnector(e,{x1:n,dx1:s,x2:r,dx2:i,y:a}){const o=this.lineNodes({x:n+s,y:a},{x:r+i,y:a},{varX:.3});return{shape:t.make("path",Object.assign({d:o.nodes},e)),p1:{x:o.p1.x-s,y:o.p1.y},p2:{x:o.p2.x-i,y:o.p2.y}}}renderRevConnector(e,{xL:n,dx1:s,dx2:r,y1:i,y2:a,xR:o}){const l=Math.min(.06*(o-n),3),h=Math.min(.5*(o-n),6),d=n+s+this.vary(l,-1),g=i+this.vary(l,-1),c=o-h*this.vary(.2,1),u=i-this.vary(1,2),p=o,f=i+this.vary(1,1),m=o,b=a+this.vary(2),x=n+r+this.vary(l,-1),y=a+this.vary(l,-1);return{shape:t.make("path",Object.assign({d:"M"+d+" "+g+"C"+d+" "+g+","+c+" "+u+","+p+" "+f+"S"+m+" "+b+","+x+" "+y},e)),p1:{x:d-s,y:g},p2:{x:x-r,y:y}}}renderFlatConnectorWave(e,{x1:s,dx1:r,x2:i,dx2:a,y:o}){const l=s+this.vary(.3),h=i+this.vary(.3),d=o+this.vary(1),g=o+this.vary(1);return{shape:t.make("path",Object.assign({d:new n.PatternedLine(this.wave).move(l+r,d).line(h+a,g).cap().asPath()},e)),p1:{x:l,y:d},p2:{x:h,y:g}}}renderRevConnectorWave(e,{xL:s,dx1:r,dx2:i,y1:a,y2:o,xR:l}){const h=s+this.vary(.3),d=s+this.vary(.3),g=a+this.vary(1),c=o+this.vary(1);return{shape:t.make("path",Object.assign({d:new n.PatternedLine(this.wave).move(h+r,g).line(l,a).arc(l,(a+o)/2,Math.PI).line(d+i,c).cap().asPath()},e)),p1:{x:h,y:g},p2:{x:d,y:c}}}renderArrowHead(e,{x:n,y:s,dx:r,dy:i}){const a=r*this.vary(.2,1),o=i*this.vary(.3,1),l=this.lineNodes({x:n+a,y:s-o},{x:n,y:s},{var1:2,var2:.2}),h=this.lineNodes(l.p2,{x:n+a,y:s+o},{var1:0,var2:2,move:!1}),d="none"===e.fill?{nodes:""}:this.lineNodes(h.p2,l.p1,{var1:0,var2:0,move:!1});return t.make("path",Object.assign({d:l.nodes+h.nodes+d.nodes},e))}renderState({x:e,y:n,width:s,height:r}){const a=Math.min(.06*s,3),o=Math.min(.06*r,3),l=e+a*this.vary(.6,1),h=n+o*this.vary(.6,1),d=e+s-a*this.vary(.6,1),g=n+o*this.vary(.6,1),c=e+a*this.vary(.6,1),u=n+r-o*this.vary(.6,1),p=e+s-a*this.vary(.6,1),f=n+r-o*this.vary(.6,1),m=e+s/2,b=n+r/2,x=a*this.vary(.2,1.2),y=o*this.vary(.2,1.2),k=n-Math.min(.005*s,1),w=n+r-Math.min(.01*s,2),A=e-Math.min(.01*r,2)*this.handedness,v=A+s;return t.make("path",Object.assign({d:"M"+l+" "+h+"C"+(l+x)+" "+(h-y)+","+(m-s*this.vary(.03,.3))+" "+k+","+m+" "+k+"S"+(d-x)+" "+(g-y)+","+d+" "+g+"S"+v+" "+(b-r*this.vary(.03,.3))+","+v+" "+b+"S"+(p+x)+" "+(f-y)+","+p+" "+f+"S"+(m+s*this.vary(.03,.3))+" "+w+","+m+" "+w+"S"+(c+x)+" "+(u+y)+","+c+" "+u+"S"+A+" "+(b+r*this.vary(.03,.3))+","+A+" "+b+"S"+(l-x)+" "+(h+y)+","+l+" "+h+"Z",fill:"#FFFFFF"},i))}renderRefBlock({x:e,y:t,width:n,height:s}){return this.renderBox({x:e,y:t,width:n,height:s},{fill:"#FFFFFF",thick:!0})}renderBlock({x:e,y:t,width:n,height:s}){return this.renderBox({x:e,y:t,width:n,height:s},{fill:"none",thick:!0})}renderTag({x:e,y:n,width:s,height:r}){const a=e+s,o=n+r,l=this.lineNodes({x:a+3,y:n},{x:a-2,y:o},{}),h=this.lineNodes(l.p2,{x:e,y:o+1},{var1:0,move:!1}),d=l.nodes+h.nodes,g=t.make("g");return g.appendChild(t.make("path",{d:d+"L"+e+" "+n,fill:"#FFFFFF"})),g.appendChild(t.make("path",Object.assign({d:d,fill:"#FFFFFF"},i))),g}renderSeparator({x1:e,y1:t,x2:n,y2:s}){return this.renderLine({x:e,y:t},{x:n,y:s},{thick:!0,dash:!0})}renderBar({x:e,y:t,width:n,height:s}){return this.renderBox({x:e,y:t,width:n,height:s},{fill:"#000000"})}renderCross({x:e,y:n,radius:s}){const r=this.vary(.2,1)*s,a=this.lineNodes({x:e-r,y:n-r},{x:e+r,y:n+r},{}),o=this.vary(.2,1)*s,l=this.lineNodes({x:e+o,y:n-o},{x:e-o,y:n+o},{});return t.make("path",Object.assign({d:a.nodes+l.nodes,fill:"none"},i))}renderAgentLine({x:e,y0:t,y1:n,width:s,className:r}){if(s>0){const i=this.renderBox({x:e-s/2,y:t,width:s,height:n-t},{fill:"none"});return i.setAttribute("class",r),i}{const s=this.renderLine({x:e,y:t},{x:e,y:n},{varY:.3});return s.setAttribute("class",r),s}}}return f.RIGHT=u,f.LEFT={},f}),n("sequence/SequenceDiagram",["core/EventObject","./Parser","./Generator","./Renderer","./Exporter","./CodeMirrorHints","./themes/BaseTheme","./themes/Basic","./themes/Monospace","./themes/Chunky","./themes/Sketch"],(e,t,n,s,r,i,a,o,l,h,d)=>{"use strict";function g(e,t="sequence"){e||(e=window.CodeMirror),e.defineMode(t,()=>m),e.registerHelper("hint",t,i.getHints)}function c(e,t=null,n={}){if("svg"===e.tagName)return null;null===t?t=e.innerText:"object"==typeof t&&(t=(n=t).code);const s=new b(t,n),r=s.dom();e.parentNode.insertBefore(r,e),e.parentNode.removeChild(e);const i=e.attributes;for(let e=0;e<i.length;++e)r.setAttribute(i[e].nodeName,i[e].nodeValue);return s}const u=[new o,new l,new h,new d(d.RIGHT),new d(d.LEFT)],p=new t,f=new n,m=p.getCodeMirrorMode();class b extends e{constructor(e=null,t={}){super(),e&&"object"==typeof e&&(e=(t=e).code),this.registerCodeMirrorMode=g,this.code=e,this.parser=p,this.generator=f,this.renderer=new s(Object.assign({themes:u},t)),this.exporter=new r,this.renderer.addEventForwarding(this),t.container&&t.container.appendChild(this.dom()),"string"==typeof this.code&&this.render()}clone(e={}){return new b(Object.assign({code:this.code,container:null,themes:this.renderer.getThemes(),namespace:null,components:this.renderer.components,SVGTextBlockClass:this.renderer.SVGTextBlockClass},e))}set(e=""){this.code!==e&&(this.code=e,this.render())}process(e){const t=this.parser.parse(e);return this.generator.generate(t)}addTheme(e){this.renderer.addTheme(e)}setHighlight(e=null){this.renderer.setHighlight(e)}getThemeNames(){return this.renderer.getThemeNames()}getThemes(){return this.renderer.getThemes()}getSVGSynchronous(){return this.exporter.getSVGURL(this.renderer)}getSVG(){return Promise.resolve({url:this.getSVGSynchronous(),latest:!0})}getPNG({resolution:e=1,size:t=null}={}){return t&&(this.renderer.width=t.width,this.renderer.height=t.height),new Promise(t=>{this.exporter.getPNGURL(this.renderer,e,(e,n)=>{t({url:e,latest:n})})})}getSize(){return{width:this.renderer.width,height:this.renderer.height}}render(e=null){const t=this.renderer.svg(),n=t.parentNode;document.body.contains(t)||(n&&n.removeChild(t),document.body.appendChild(t));try{e||(e=this.process(this.code)),this.renderer.render(e)}finally{t.parentNode!==n&&(document.body.removeChild(t),n&&n.appendChild(t))}}setContainer(e=null){const t=this.dom();t.parentNode&&t.parentNode.removeChild(t),e&&e.appendChild(t)}dom(){return this.renderer.svg()}}return Object.assign(b,{Parser:t,Generator:n,Renderer:s,Exporter:r,BaseTheme:a,themes:u,addTheme:function(e){u.push(e)},registerCodeMirrorMode:g,convert:c,convertAll:function(e=null,t="sequence-diagram"){"string"==typeof e&&(t=e,e=null);let n=null;n=e&&void 0!==e.length?e:(e||document).getElementsByClassName(t);const s=[];for(let e=0;e<n.length;++e)s.push(n[e]);s.forEach(e=>c(e))}})}),e(["sequence/SequenceDiagram"],e=>{"use strict";const t=window.define;t&&t.amd?t(()=>e):(document.addEventListener("DOMContentLoaded",()=>{e.convertAll()},{once:!0}),window.CodeMirror&&e.registerCodeMirrorMode(window.CodeMirror),window.SequenceDiagram=e)},null,!0),n("standalone",function(){})}();
\ No newline at end of file
diff --git a/scripts/editor.js b/scripts/editor.js
index a8285a3..d214d66 100644
--- a/scripts/editor.js
+++ b/scripts/editor.js
@@ -56,6 +56,10 @@
 				title: 'Self-connection',
 				code: '{Agent1} -> {Agent1}: {Message}',
 			},
+			{
+				title: 'Found message',
+				code: '* -> {Agent1}: {Message}',
+			},
 			{
 				title: 'Request/response pair',
 				code: (
diff --git a/scripts/sequence/CodeMirrorMode.js b/scripts/sequence/CodeMirrorMode.js
index a8efd00..292724e 100644
--- a/scripts/sequence/CodeMirrorMode.js
+++ b/scripts/sequence/CodeMirrorMode.js
@@ -42,8 +42,13 @@ define(['core/ArrayUtilities'], (array) => {
 			)};
 		}
 
+		const colonTextToEnd = {
+			type: 'operator',
+			suggest: true,
+			then: {'': textToEnd, '\n': hiddenEnd},
+		};
 		const agentListToText = agentListTo({
-			':': {type: 'operator', suggest: true, then: {'': textToEnd}},
+			':': colonTextToEnd,
 		});
 		const agentList2ToText = {type: 'variable', suggest: 'Agent', then: {
 			'': 0,
@@ -53,7 +58,7 @@ define(['core/ArrayUtilities'], (array) => {
 		const singleAgentToText = {type: 'variable', suggest: 'Agent', then: {
 			'': 0,
 			',': CM_ERROR,
-			':': {type: 'operator', suggest: true, then: {'': textToEnd}},
+			':': colonTextToEnd,
 		}};
 		const agentToOptText = {type: 'variable', suggest: 'Agent', then: {
 			'': 0,
@@ -97,7 +102,7 @@ define(['core/ArrayUtilities'], (array) => {
 			};
 		}
 
-		function makeOpBlock(exit) {
+		function makeOpBlock(exit, sourceExit) {
 			const op = {type: 'operator', suggest: true, then: {
 				'+': CM_ERROR,
 				'-': CM_ERROR,
@@ -126,13 +131,13 @@ define(['core/ArrayUtilities'], (array) => {
 					}},
 					'': exit,
 				}},
-				'*': {type: 'operator', suggest: true, then: {
+				'*': {type: 'operator', suggest: true, then: Object.assign({
 					'+': op,
 					'-': op,
 					'*': CM_ERROR,
 					'!': CM_ERROR,
 					'': exit,
-				}},
+				}, sourceExit)},
 				'!': op,
 				'': exit,
 			};
@@ -142,7 +147,10 @@ define(['core/ArrayUtilities'], (array) => {
 			const connect = {
 				type: 'keyword',
 				suggest: true,
-				then: makeOpBlock(agentToOptText),
+				then: makeOpBlock(agentToOptText, {
+					':': colonTextToEnd,
+					'\n': hiddenEnd,
+				}),
 			};
 
 			const then = {'': 0};
@@ -153,7 +161,10 @@ define(['core/ArrayUtilities'], (array) => {
 				override: 'Label',
 				then: {},
 			};
-			return makeOpBlock({type: 'variable', suggest: 'Agent', then});
+			return makeOpBlock(
+				{type: 'variable', suggest: 'Agent', then},
+				then
+			);
 		}
 
 		const BASE_THEN = {
diff --git a/scripts/sequence/Generator.js b/scripts/sequence/Generator.js
index c39eda4..080444c 100644
--- a/scripts/sequence/Generator.js
+++ b/scripts/sequence/Generator.js
@@ -36,8 +36,8 @@ define(['core/ArrayUtilities'], (array) => {
 		equals: (a, b) => {
 			return a.id === b.id;
 		},
-		make: (id, {anchorRight = false} = {}) => {
-			return {id, anchorRight};
+		make: (id, {anchorRight = false, isVirtualSource = false} = {}) => {
+			return {id, anchorRight, isVirtualSource};
 		},
 		indexOf: (list, gAgent) => {
 			return array.indexOf(list, gAgent, GAgent.equals);
@@ -45,6 +45,14 @@ define(['core/ArrayUtilities'], (array) => {
 		hasIntersection: (a, b) => {
 			return array.hasIntersection(a, b, GAgent.equals);
 		},
+		addNearby: (target, reference, item, offset) => {
+			const p = array.indexOf(target, reference, GAgent.equals);
+			if(p === -1) {
+				target.push(item);
+			} else {
+				target.splice(p + offset, 0, item);
+			}
+		},
 	};
 
 	const NOTE_DEFAULT_G_AGENTS = {
@@ -53,6 +61,8 @@ define(['core/ArrayUtilities'], (array) => {
 		'note right': [GAgent.make(']')],
 	};
 
+	const SPECIAL_AGENT_IDS = ['[', ']'];
+
 	const MERGABLE = {
 		'agent begin': {
 			check: ['mode'],
@@ -227,7 +237,7 @@ define(['core/ArrayUtilities'], (array) => {
 			this.activeGroups = new Map();
 			this.gAgents = [];
 			this.labelPattern = null;
-			this.blockCount = 0;
+			this.nextID = 0;
 			this.nesting = [];
 			this.markers = new Set();
 			this.currentSection = null;
@@ -256,7 +266,7 @@ define(['core/ArrayUtilities'], (array) => {
 			this.endGroup = this.endGroup.bind(this);
 		}
 
-		toGAgent({alias, name}) {
+		toGAgent({name, alias, flags}) {
 			if(alias) {
 				if(this.agentAliases.has(name)) {
 					throw new Error(
@@ -275,7 +285,9 @@ define(['core/ArrayUtilities'], (array) => {
 				}
 				this.agentAliases.set(alias, name);
 			}
-			return GAgent.make(this.agentAliases.get(name) || name);
+			return GAgent.make(this.agentAliases.get(name) || name, {
+				isVirtualSource: flags.includes('source'),
+			});
 		}
 
 		addStage(stage, isVisible = true) {
@@ -311,7 +323,12 @@ define(['core/ArrayUtilities'], (array) => {
 		}
 
 		defineGAgents(gAgents) {
-			array.mergeSets(this.currentNest.gAgents, gAgents, GAgent.equals);
+			array.mergeSets(
+				this.currentNest.gAgents,
+				gAgents.filter((gAgent) =>
+					!SPECIAL_AGENT_IDS.includes(gAgent.id)),
+				GAgent.equals
+			);
 			array.mergeSets(this.gAgents, gAgents, GAgent.equals);
 		}
 
@@ -335,7 +352,9 @@ define(['core/ArrayUtilities'], (array) => {
 		validateGAgents(gAgents, {
 			allowGrouped = false,
 			rejectGrouped = false,
+			allowVirtual = false,
 		} = {}) {
+			/* jshint -W074 */ // agent validity checking requires several steps
 			gAgents.forEach((gAgent) => {
 				const state = this.getGAgentState(gAgent);
 				if(state.covered) {
@@ -349,6 +368,9 @@ define(['core/ArrayUtilities'], (array) => {
 				if(state.blocked && (!allowGrouped || state.group === null)) {
 					throw new Error('Duplicate agent name: ' + gAgent.id);
 				}
+				if(!allowVirtual && gAgent.isVirtualSource) {
+					throw new Error('cannot use message source here');
+				}
 				if(gAgent.id.startsWith('__')) {
 					throw new Error(gAgent.id + ' is a reserved name');
 				}
@@ -442,12 +464,18 @@ define(['core/ArrayUtilities'], (array) => {
 			this.replaceGAgentState(rightGAgent, AgentState.LOCKED);
 			this.nesting.push(this.currentNest);
 
-			return {gAgents, stages};
+			return {stages};
 		}
 
 		nextBlockName() {
-			const name = '__BLOCK' + this.blockCount;
-			++ this.blockCount;
+			const name = '__BLOCK' + this.nextID;
+			++ this.nextID;
+			return name;
+		}
+
+		nextVirtualAgentName() {
+			const name = '__' + this.nextID;
+			++ this.nextID;
 			return name;
 		}
 
@@ -651,9 +679,13 @@ define(['core/ArrayUtilities'], (array) => {
 			let ind1 = GAgent.indexOf(this.gAgents, gAgents1[0]);
 			let ind2 = GAgent.indexOf(this.gAgents, gAgents2[0]);
 			if(ind1 === -1) {
-				ind1 = this.gAgents.length;
+				// Virtual sources written as '* -> Ref' will spawn to the left,
+				// not the right (as non-virtual agents would)
+				ind1 = gAgents1[0].isVirtualSource ? -1 : this.gAgents.length;
 			}
 			if(ind2 === -1) {
+				// Virtual and non-virtual agents written as 'Ref -> *' will
+				// spawn to the right
 				ind2 = this.gAgents.length;
 			}
 			if(ind1 === ind2) {
@@ -700,21 +732,79 @@ define(['core/ArrayUtilities'], (array) => {
 			return {beginGAgents, endGAgents, startGAgents, stopGAgents};
 		}
 
+		makeVirtualAgent(anchorRight) {
+			const virtualGAgent = GAgent.make(this.nextVirtualAgentName(), {
+				anchorRight,
+				isVirtualSource: true,
+			});
+			this.replaceGAgentState(virtualGAgent, AgentState.LOCKED);
+			return virtualGAgent;
+		}
+
+		addNearbyAgent(gAgentReference, gAgent, offset) {
+			GAgent.addNearby(
+				this.currentNest.gAgents,
+				gAgentReference,
+				gAgent,
+				offset
+			);
+			GAgent.addNearby(
+				this.gAgents,
+				gAgentReference,
+				gAgent,
+				offset
+			);
+		}
+
+		expandVirtualSourceAgents(gAgents) {
+			if(gAgents[0].isVirtualSource) {
+				if(gAgents[1].isVirtualSource) {
+					throw new Error('Cannot connect found messages');
+				}
+				if(SPECIAL_AGENT_IDS.includes(gAgents[1].id)) {
+					throw new Error(
+						'Cannot connect found messages to special agents'
+					);
+				}
+				const virtualGAgent = this.makeVirtualAgent(true);
+				this.addNearbyAgent(gAgents[1], virtualGAgent, 0);
+				return [virtualGAgent, gAgents[1]];
+			}
+			if(gAgents[1].isVirtualSource) {
+				if(SPECIAL_AGENT_IDS.includes(gAgents[0].id)) {
+					throw new Error(
+						'Cannot connect found messages to special agents'
+					);
+				}
+				const virtualGAgent = this.makeVirtualAgent(false);
+				this.addNearbyAgent(gAgents[0], virtualGAgent, 1);
+				return [gAgents[0], virtualGAgent];
+			}
+			return gAgents;
+		}
+
 		handleConnect({agents, label, options}) {
 			const flags = this.filterConnectFlags(agents);
 
 			let gAgents = agents.map(this.toGAgent);
-			this.validateGAgents(gAgents, {allowGrouped: true});
+			this.validateGAgents(gAgents, {
+				allowGrouped: true,
+				allowVirtual: true,
+			});
 
 			const allGAgents = array.flatMap(gAgents, this.expandGroupedGAgent);
-			this.defineGAgents(allGAgents);
+			this.defineGAgents(allGAgents
+				.filter((gAgent) => !gAgent.isVirtualSource)
+			);
 
 			gAgents = this.expandGroupedGAgentConnection(gAgents);
+			gAgents = this.expandVirtualSourceAgents(gAgents);
 			const agentIDs = gAgents.map((gAgent) => gAgent.id);
 
 			const implicitBeginGAgents = (agents
 				.filter(PAgent.hasFlag('begin', false))
 				.map(this.toGAgent)
+				.filter((gAgent) => !gAgent.isVirtualSource)
 			);
 			this.addStage(this.setGAgentVis(implicitBeginGAgents, true, 'box'));
 
@@ -811,7 +901,7 @@ define(['core/ArrayUtilities'], (array) => {
 			this.agentAliases.clear();
 			this.activeGroups.clear();
 			this.gAgents.length = 0;
-			this.blockCount = 0;
+			this.nextID = 0;
 			this.nesting.length = 0;
 			this.labelPattern = [{token: 'label'}];
 		}
diff --git a/scripts/sequence/Generator_spec.js b/scripts/sequence/Generator_spec.js
index c0230c2..677e1bd 100644
--- a/scripts/sequence/Generator_spec.js
+++ b/scripts/sequence/Generator_spec.js
@@ -110,6 +110,14 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 	};
 
 	const GENERATED = {
+		agent: (id, {
+			formattedLabel = any(),
+			anchorRight = any(),
+			isVirtualSource = any(),
+		} = {}) => {
+			return {id, formattedLabel, anchorRight, isVirtualSource};
+		},
+
 		beginAgents: (agentIDs, {
 			mode = any(),
 			ln = any(),
@@ -264,8 +272,8 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 		it('includes implicit hidden left/right agents', () => {
 			const sequence = invoke([]);
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('[', {anchorRight: true}),
+				GENERATED.agent(']', {anchorRight: false}),
 			]);
 		});
 
@@ -296,13 +304,13 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 				PARSED.beginAgents(['E']),
 			]);
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: 'D', formattedLabel: any(), anchorRight: false},
-				{id: 'E', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('D'),
+				GENERATED.agent('E'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -311,10 +319,10 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 				PARSED.connect(['A', 'B']),
 			]);
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: any()},
-				{id: 'A', formattedLabel: 'A!', anchorRight: any()},
-				{id: 'B', formattedLabel: 'B!', anchorRight: any()},
-				{id: ']', formattedLabel: any(), anchorRight: any()},
+				GENERATED.agent('['),
+				GENERATED.agent('A', {formattedLabel: 'A!'}),
+				GENERATED.agent('B', {formattedLabel: 'B!'}),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -323,9 +331,9 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 				PARSED.connect([']', 'B']),
 			]);
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('B'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -335,10 +343,10 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 				PARSED.connect(['A', 'B']),
 			]);
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('B'),
+				GENERATED.agent('A'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -348,10 +356,10 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 				PARSED.connect(['A', 'B']),
 			]);
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'Baz', formattedLabel: any(), anchorRight: false},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('Baz'),
+				GENERATED.agent('A'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -419,6 +427,119 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 		});
 
+		it('converts source agents into virtual agents', () => {
+			const sequence = invoke([
+				PARSED.connect([
+					'A',
+					{name: '', alias: '', flags: ['source']},
+				]),
+			]);
+			expect(sequence.agents).toEqual([
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__0', {
+					anchorRight: false,
+					isVirtualSource: true,
+				}),
+				GENERATED.agent(']'),
+			]);
+			expect(sequence.stages).toEqual([
+				GENERATED.beginAgents(['A']),
+				GENERATED.connect(['A', '__0']),
+				GENERATED.endAgents(['A']),
+			]);
+		});
+
+		it('converts sources into distinct virtual agents', () => {
+			const sequence = invoke([
+				PARSED.connect([
+					'A',
+					{name: '', alias: '', flags: ['source']},
+				]),
+				PARSED.connect([
+					'A',
+					{name: '', alias: '', flags: ['source']},
+				]),
+			]);
+			expect(sequence.agents).toEqual([
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__1'),
+				GENERATED.agent('__0'),
+				GENERATED.agent(']'),
+			]);
+			expect(sequence.stages).toEqual([
+				GENERATED.beginAgents(['A']),
+				GENERATED.connect(['A', '__0']),
+				GENERATED.connect(['A', '__1']),
+				GENERATED.endAgents(['A']),
+			]);
+		});
+
+		it('places source agents near the connected agent', () => {
+			const sequence = invoke([
+				PARSED.beginAgents(['A', 'B', 'C']),
+				PARSED.connect([
+					'B',
+					{name: '', alias: '', flags: ['source']},
+				]),
+			]);
+			expect(sequence.agents).toEqual([
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('__0', {
+					anchorRight: false,
+					isVirtualSource: true,
+				}),
+				GENERATED.agent('C'),
+				GENERATED.agent(']'),
+			]);
+		});
+
+		it('places source agents left when connections are reversed', () => {
+			const sequence = invoke([
+				PARSED.beginAgents(['A', 'B', 'C']),
+				PARSED.connect([
+					{name: '', alias: '', flags: ['source']},
+					'B',
+				]),
+			]);
+			expect(sequence.agents).toEqual([
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__0', {
+					anchorRight: true,
+					isVirtualSource: true,
+				}),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent(']'),
+			]);
+		});
+
+		it('rejects connections between virtual agents', () => {
+			expect(() => invoke([
+				PARSED.connect([
+					{name: '', alias: '', flags: ['source']},
+					{name: '', alias: '', flags: ['source']},
+				]),
+			])).toThrow(new Error(
+				'Cannot connect found messages at line 1'
+			));
+		});
+
+		it('rejects connections between virtual agents and sides', () => {
+			expect(() => invoke([
+				PARSED.connect([
+					{name: '', alias: '', flags: ['source']},
+					']',
+				]),
+			])).toThrow(new Error(
+				'Cannot connect found messages to special agents at line 1'
+			));
+		});
+
 		it('uses label patterns for connections', () => {
 			const sequence = invoke([
 				PARSED.labelPattern(['foo ', {token: 'label'}, ' bar']),
@@ -819,12 +940,12 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('__BLOCK0[', {anchorRight: true}),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('__BLOCK0]', {anchorRight: false}),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -841,20 +962,40 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: 'D', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1[', formattedLabel: any(), anchorRight: true},
-				{id: 'E', formattedLabel: any(), anchorRight: false},
-				{id: 'F', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1]', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: 'G', formattedLabel: any(), anchorRight: false},
-				{id: 'H', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('C'),
+				GENERATED.agent('D'),
+				GENERATED.agent('__BLOCK1['),
+				GENERATED.agent('E'),
+				GENERATED.agent('F'),
+				GENERATED.agent('__BLOCK1]'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent('G'),
+				GENERATED.agent('H'),
+				GENERATED.agent(']'),
+			]);
+		});
+
+		it('ignores side agents when calculating block bounds', () => {
+			const sequence = invoke([
+				PARSED.beginAgents(['A', 'B', 'C']),
+				PARSED.blockBegin('if', 'abc'),
+				PARSED.connect(['[', 'B']),
+				PARSED.connect(['B', ']']),
+				PARSED.blockEnd(),
+			]);
+
+			expect(sequence.agents).toEqual([
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('B'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent('C'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -916,15 +1057,15 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK1[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1]', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('__BLOCK1['),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('__BLOCK1]'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent(']'),
 			]);
 
 			const bounds0 = {
@@ -955,14 +1096,14 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK1[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1]', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('__BLOCK1['),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('__BLOCK1]'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent(']'),
 			]);
 
 			const bounds0 = {
@@ -1051,12 +1192,12 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			};
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('A'),
+				GENERATED.agent('B'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent(']'),
 			]);
 
 			expect(sequence.stages).toEqual([
@@ -1116,14 +1257,14 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: 'D', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent('D'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -1135,15 +1276,15 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequence.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: 'D', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: 'E', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('D'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent('E'),
+				GENERATED.agent(']'),
 			]);
 		});
 
@@ -1342,16 +1483,16 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequenceR.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: 'D', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1]', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__BLOCK1['),
+				GENERATED.agent('__BLOCK0[', {anchorRight: true}),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('__BLOCK0]', {anchorRight: false}),
+				GENERATED.agent('D'),
+				GENERATED.agent('__BLOCK1]'),
+				GENERATED.agent(']'),
 			]);
 
 			const sequenceL = invoke([
@@ -1364,16 +1505,51 @@ defineDescribe('Sequence Generator', ['./Generator'], (Generator) => {
 			]);
 
 			expect(sequenceL.agents).toEqual([
-				{id: '[', formattedLabel: any(), anchorRight: true},
-				{id: '__BLOCK1[', formattedLabel: any(), anchorRight: true},
-				{id: 'A', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0[', formattedLabel: any(), anchorRight: true},
-				{id: 'B', formattedLabel: any(), anchorRight: false},
-				{id: 'C', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK0]', formattedLabel: any(), anchorRight: false},
-				{id: '__BLOCK1]', formattedLabel: any(), anchorRight: false},
-				{id: 'D', formattedLabel: any(), anchorRight: false},
-				{id: ']', formattedLabel: any(), anchorRight: false},
+				GENERATED.agent('['),
+				GENERATED.agent('__BLOCK1['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent('__BLOCK1]'),
+				GENERATED.agent('D'),
+				GENERATED.agent(']'),
+			]);
+		});
+
+		it('allows connections between sources and references', () => {
+			const sequence = invoke([
+				PARSED.beginAgents(['A', 'B', 'C', 'D']),
+				PARSED.groupBegin('Bar', ['B', 'C'], {label: 'Foo'}),
+				PARSED.connect([
+					{name: '', alias: '', flags: ['source']},
+					'Bar',
+				]),
+				PARSED.connect([
+					'Bar',
+					{name: '', alias: '', flags: ['source']},
+				]),
+				PARSED.endAgents(['Bar']),
+			]);
+
+			expect(sequence.agents).toEqual([
+				GENERATED.agent('['),
+				GENERATED.agent('A'),
+				GENERATED.agent('__1', {
+					anchorRight: true,
+					isVirtualSource: true,
+				}),
+				GENERATED.agent('__BLOCK0['),
+				GENERATED.agent('B'),
+				GENERATED.agent('C'),
+				GENERATED.agent('__BLOCK0]'),
+				GENERATED.agent('__2', {
+					anchorRight: false,
+					isVirtualSource: true,
+				}),
+				GENERATED.agent('D'),
+				GENERATED.agent(']'),
 			]);
 		});
 
diff --git a/scripts/sequence/Parser.js b/scripts/sequence/Parser.js
index 995dfd0..73220a2 100644
--- a/scripts/sequence/Parser.js
+++ b/scripts/sequence/Parser.js
@@ -67,10 +67,10 @@ define([
 	})());
 
 	const CONNECT_AGENT_FLAGS = {
-		'*': 'begin',
-		'+': 'start',
-		'-': 'stop',
-		'!': 'end',
+		'*': {flag: 'begin', allowBlankName: true, blankNameFlag: 'source'},
+		'+': {flag: 'start'},
+		'-': {flag: 'stop'},
+		'!': {flag: 'end'},
 	};
 
 	const TERMINATOR_TYPES = [
@@ -182,7 +182,7 @@ define([
 		return -1;
 	}
 
-	function readAgentAlias(line, start, end, enableAlias) {
+	function readAgentAlias(line, start, end, {enableAlias, allowBlankName}) {
 		let aliasSep = -1;
 		if(enableAlias) {
 			aliasSep = findToken(line, 'as', start);
@@ -190,7 +190,7 @@ define([
 		if(aliasSep === -1 || aliasSep >= end) {
 			aliasSep = end;
 		}
-		if(start >= aliasSep) {
+		if(start >= aliasSep && !allowBlankName) {
 			throw makeError('Missing agent name', errToken(line, start));
 		}
 		return {
@@ -204,25 +204,31 @@ define([
 		aliases = false,
 	} = {}) {
 		const flags = [];
+		const blankNameFlags = [];
 		let p = start;
+		let allowBlankName = false;
 		for(; p < end; ++ p) {
 			const token = line[p];
 			const rawFlag = tokenKeyword(token);
 			const flag = flagTypes[rawFlag];
-			if(flag) {
-				if(flags.includes(flag)) {
-					throw makeError('Duplicate agent flag: ' + rawFlag, token);
-				}
-				flags.push(flag);
-			} else {
+			if(!flag) {
 				break;
 			}
+			if(flags.includes(flag.flag)) {
+				throw makeError('Duplicate agent flag: ' + rawFlag, token);
+			}
+			allowBlankName = allowBlankName || Boolean(flag.allowBlankName);
+			flags.push(flag.flag);
+			blankNameFlags.push(flag.blankNameFlag);
 		}
-		const {name, alias} = readAgentAlias(line, p, end, aliases);
+		const {name, alias} = readAgentAlias(line, p, end, {
+			enableAlias: aliases,
+			allowBlankName,
+		});
 		return {
 			name,
 			alias,
-			flags,
+			flags: name ? flags : blankNameFlags,
 		};
 	}
 
diff --git a/scripts/sequence/Parser_spec.js b/scripts/sequence/Parser_spec.js
index 9338f97..1001ee6 100644
--- a/scripts/sequence/Parser_spec.js
+++ b/scripts/sequence/Parser_spec.js
@@ -185,6 +185,38 @@ defineDescribe('Sequence Parser', ['./Parser'], (Parser) => {
 			));
 		});
 
+		it('parses source agents', () => {
+			const parsed = parser.parse('A -> *');
+			expect(parsed.stages).toEqual([
+				{
+					type: 'connect',
+					ln: jasmine.anything(),
+					agents: [
+						{name: 'A', alias: '', flags: []},
+						{name: '', alias: '', flags: ['source']},
+					],
+					label: jasmine.anything(),
+					options: jasmine.anything(),
+				},
+			]);
+		});
+
+		it('parses source agents with labels', () => {
+			const parsed = parser.parse('A -> *: foo');
+			expect(parsed.stages).toEqual([
+				{
+					type: 'connect',
+					ln: jasmine.anything(),
+					agents: [
+						{name: 'A', alias: '', flags: []},
+						{name: '', alias: '', flags: ['source']},
+					],
+					label: 'foo',
+					options: jasmine.anything(),
+				},
+			]);
+		});
+
 		it('converts multiple entries', () => {
 			const parsed = parser.parse('A -> B\nB -> A');
 			expect(parsed.stages).toEqual([
diff --git a/scripts/sequence/Renderer.js b/scripts/sequence/Renderer.js
index 67d2788..69dc41e 100644
--- a/scripts/sequence/Renderer.js
+++ b/scripts/sequence/Renderer.js
@@ -188,6 +188,7 @@ define([
 				theme: this.theme,
 				agentInfos: this.agentInfos,
 				visibleAgentIDs: this.visibleAgentIDs,
+				momentaryAgentIDs: agentIDs,
 				textSizer: this.sizer,
 				addSpacing,
 				addSeparation: this.addSeparation,
@@ -392,6 +393,7 @@ define([
 					id: agent.id,
 					formattedLabel: agent.formattedLabel,
 					anchorRight: agent.anchorRight,
+					isVirtualSource: agent.isVirtualSource,
 					index,
 					x: null,
 					latestYStart: null,
diff --git a/scripts/sequence/components/BaseComponent.js b/scripts/sequence/components/BaseComponent.js
index 1bc38ce..8b23cb8 100644
--- a/scripts/sequence/components/BaseComponent.js
+++ b/scripts/sequence/components/BaseComponent.js
@@ -13,6 +13,7 @@ define(() => {
 			theme,
 			agentInfos,
 			visibleAgentIDs,
+			momentaryAgentIDs,
 			textSizer,
 			addSpacing,
 			addSeparation,
@@ -25,6 +26,7 @@ define(() => {
 			theme,
 			agentInfos,
 			visibleAgentIDs,
+			momentaryAgentIDs,
 			textSizer,
 			addSpacing,
 			addSeparation,
diff --git a/scripts/sequence/components/Connect.js b/scripts/sequence/components/Connect.js
index d338f9a..688e5c7 100644
--- a/scripts/sequence/components/Connect.js
+++ b/scripts/sequence/components/Connect.js
@@ -1,8 +1,10 @@
 define([
+	'core/ArrayUtilities',
 	'./BaseComponent',
 	'svg/SVGUtilities',
 	'svg/SVGShapes',
 ], (
+	array,
 	BaseComponent,
 	svg,
 	SVGShapes
@@ -106,6 +108,18 @@ define([
 	];
 
 	class Connect extends BaseComponent {
+		separationPre({agentIDs}, env) {
+			const r = env.theme.connect.source.radius;
+			agentIDs.forEach((id) => {
+				const agentInfo = env.agentInfos.get(id);
+				if(!agentInfo.isVirtualSource) {
+					return;
+				}
+				agentInfo.currentRad = r;
+				agentInfo.currentMaxRad = Math.max(agentInfo.currentMaxRad, r);
+			});
+		}
+
 		separation({label, agentIDs, options}, env) {
 			const config = env.theme.connect;
 
@@ -147,6 +161,8 @@ define([
 					) * 2
 				);
 			}
+
+			array.mergeSets(env.momentaryAgentIDs, agentIDs);
 		}
 
 		renderSelfConnect({label, agentIDs, options}, env) {
@@ -224,14 +240,59 @@ define([
 			);
 		}
 
+		renderSimpleLine(x0, x1, options, env) {
+			const dir = (x0 < x1) ? 1 : -1;
+
+			const config = env.theme.connect;
+			const line = config.line[options.line];
+			const lArrow = ARROWHEADS[options.left];
+			const rArrow = ARROWHEADS[options.right];
+
+			const rendered = line.renderFlat(line.attrs, {
+				x1: x0,
+				dx1: lArrow.lineGap(env.theme, line.attrs) * dir,
+				x2: x1,
+				dx2: -rArrow.lineGap(env.theme, line.attrs) * dir,
+				y: env.primaryY,
+			});
+			env.shapeLayer.appendChild(rendered.shape);
+			return rendered;
+		}
+
+		renderSimpleArrowheads(options, renderedLine, env, dir) {
+			const lArrow = ARROWHEADS[options.left];
+			const rArrow = ARROWHEADS[options.right];
+
+			lArrow.render(env.shapeLayer, env.theme, renderedLine.p1, dir);
+			rArrow.render(env.shapeLayer, env.theme, renderedLine.p2, -dir);
+
+			return {lArrow, rArrow};
+		}
+
+		renderVirtualSources(from, to, renderedLine, env) {
+			const config = env.theme.connect.source;
+
+			if(from.isVirtualSource) {
+				env.shapeLayer.appendChild(config.render({
+					x: renderedLine.p1.x - config.radius,
+					y: renderedLine.p1.y,
+					radius: config.radius,
+				}));
+			}
+			if(to.isVirtualSource) {
+				env.shapeLayer.appendChild(config.render({
+					x: renderedLine.p2.x + config.radius,
+					y: renderedLine.p2.y,
+					radius: config.radius,
+				}));
+			}
+		}
+
 		renderSimpleConnect({label, agentIDs, options}, env) {
 			const config = env.theme.connect;
 			const from = env.agentInfos.get(agentIDs[0]);
 			const to = env.agentInfos.get(agentIDs[1]);
 
-			const lArrow = ARROWHEADS[options.left];
-			const rArrow = ARROWHEADS[options.right];
-
 			const dir = (from.x < to.x) ? 1 : -1;
 
 			const height = (
@@ -257,18 +318,12 @@ define([
 				SVGTextBlockClass: env.SVGTextBlockClass,
 			});
 
-			const line = config.line[options.line];
-			const rendered = line.renderFlat(line.attrs, {
-				x1: x0,
-				dx1: lArrow.lineGap(env.theme, line.attrs) * dir,
-				x2: x1,
-				dx2: -rArrow.lineGap(env.theme, line.attrs) * dir,
-				y,
-			});
-			env.shapeLayer.appendChild(rendered.shape);
-
-			lArrow.render(env.shapeLayer, env.theme, rendered.p1, dir);
-			rArrow.render(env.shapeLayer, env.theme, rendered.p2, -dir);
+			const rendered = this.renderSimpleLine(x0, x1, options, env);
+			const {
+				lArrow,
+				rArrow
+			} = this.renderSimpleArrowheads(options, rendered, env, dir);
+			this.renderVirtualSources(from, to, rendered, env);
 
 			const arrowSpread = Math.max(
 				lArrow.height(env.theme),
diff --git a/scripts/sequence/themes/Basic.js b/scripts/sequence/themes/Basic.js
index 3055154..d35cf94 100644
--- a/scripts/sequence/themes/Basic.js
+++ b/scripts/sequence/themes/Basic.js
@@ -150,6 +150,19 @@ define([
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 2,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 1,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 0,
diff --git a/scripts/sequence/themes/Chunky.js b/scripts/sequence/themes/Chunky.js
index 96eb825..cbff713 100644
--- a/scripts/sequence/themes/Chunky.js
+++ b/scripts/sequence/themes/Chunky.js
@@ -160,6 +160,19 @@ define([
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 5,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 3,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 1,
diff --git a/scripts/sequence/themes/Monospace.js b/scripts/sequence/themes/Monospace.js
index cff2fa8..48124bf 100644
--- a/scripts/sequence/themes/Monospace.js
+++ b/scripts/sequence/themes/Monospace.js
@@ -157,6 +157,19 @@ define([
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 2,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 1,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 0,
diff --git a/scripts/sequence/themes/Sketch.js b/scripts/sequence/themes/Sketch.js
index e3c7083..f143ba5 100644
--- a/scripts/sequence/themes/Sketch.js
+++ b/scripts/sequence/themes/Sketch.js
@@ -139,6 +139,19 @@ define([
 					'line-height': LINE_HEIGHT,
 				},
 			},
+			source: {
+				radius: 1,
+				render: ({x, y, radius}) => {
+					return svg.make('circle', {
+						'cx': x,
+						'cy': y,
+						'r': radius,
+						'fill': '#000000',
+						'stroke': '#000000',
+						'stroke-width': 1,
+					});
+				},
+			},
 			mask: {
 				padding: {
 					top: 0,
@@ -574,7 +587,7 @@ define([
 			);
 			return {
 				shape: svg.make('path', Object.assign({'d': ln.nodes}, attrs)),
-				p1: {x: ln.p1.x - dx1, y: ln.p2.y},
+				p1: {x: ln.p1.x - dx1, y: ln.p1.y},
 				p2: {x: ln.p2.x - dx2, y: ln.p2.y},
 			};
 		}