Bump dependencies

package.json

@@ -44,23 +44,23 @@
     "web-test:manual": "MANUAL=1 karma start spec/support/karma.conf.js"
   },
   "devDependencies": {
+    "@rollup/plugin-multi-entry": "^3.0.0",
     "buffer-to-stream": "^1.0.0",
-    "codemirror": "^5.47.0",
-    "eslint": "^5.16.0",
-    "eslint-plugin-jasmine": "^2.10.1",
-    "jasmine": "^3.4.0",
-    "karma": "^4.1.0",
-    "karma-chrome-launcher": "^2.2.0",
+    "codemirror": "^5.50.2",
+    "eslint": "^6.8.0",
+    "eslint-plugin-jasmine": "^4.1.0",
+    "jasmine": "^3.5.0",
+    "karma": "^4.4.1",
+    "karma-chrome-launcher": "^3.1.0",
     "karma-detect-browsers": "^2.3.3",
-    "karma-firefox-launcher": "^1.1.0",
-    "karma-jasmine": "^2.0.1",
+    "karma-firefox-launcher": "^1.3.0",
+    "karma-jasmine": "^3.1.0",
     "karma-safari-launcher": "^1.0.0",
     "pngcrush": "^2.0.1",
     "requirejs": "^2.3.6",
-    "rollup": "^1.15.6",
+    "rollup": "^1.29.0",
     "rollup-plugin-hypothetical": "^2.1.0",
-    "rollup-plugin-multi-entry": "^2.1.0",
-    "source-map-support": "^0.5.12",
+    "source-map-support": "^0.5.16",
     "svg2png": "^4.1.1",
     "uglify-es": "3.2.2"
   },

spec/image/ImageRegion_spec.mjs

@@ -4,6 +4,7 @@ import {nodejs} from '../../scripts/core/browser.mjs';
 describe('ImageRegion', () => {
 	function makeCanvas(w, h) {
 		if(nodejs) {
+			// eslint-disable-next-line jasmine/no-pending-tests
 			return pending('No canvas support in NodeJS');
 		}
 		const canvas = document.createElement('canvas');

spec/support/rollup.config.js

@@ -1,4 +1,4 @@
-import multiEntry from 'rollup-plugin-multi-entry';
+import multiEntry from '@rollup/plugin-multi-entry';
 
 export default [
 	{

web/lib/codemirror.css

@@ -13,7 +13,8 @@
 .CodeMirror-lines {
   padding: 4px 0; /* Vertical padding around content */
 }
-.CodeMirror pre {
+.CodeMirror pre.CodeMirror-line,
+.CodeMirror pre.CodeMirror-line-like {
   padding: 0 4px; /* Horizontal padding of content */
 }
 
@@ -96,7 +97,7 @@
 
 .CodeMirror-rulers {
   position: absolute;
-  left: 0; right: 0; top: -50px; bottom: -20px;
+  left: 0; right: 0; top: -50px; bottom: 0;
   overflow: hidden;
 }
 .CodeMirror-ruler {
@@ -236,7 +237,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
   cursor: text;
   min-height: 1px; /* prevents collapsing before first draw */
 }
-.CodeMirror pre {
+.CodeMirror pre.CodeMirror-line,
+.CodeMirror pre.CodeMirror-line-like {
   /* Reset some styles that the rest of the page might have set */
   -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
   border-width: 0;
@@ -255,7 +257,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
   -webkit-font-variant-ligatures: contextual;
   font-variant-ligatures: contextual;
 }
-.CodeMirror-wrap pre {
+.CodeMirror-wrap pre.CodeMirror-line,
+.CodeMirror-wrap pre.CodeMirror-line-like {
   word-wrap: break-word;
   white-space: pre-wrap;
   word-break: normal;