SequenceDiagram/scripts/svg/VirtualTextSizer.mjs

29 lines
480 B
JavaScript

export default class VirtualTextSizer {
// Simplified text sizer, which assumes all characters render as
// 1x1 px squares for repeatable renders in all browsers
baseline() {
return 1;
}
measureHeight({formatted}) {
return formatted.length;
}
prepMeasurement(attrs, formatted) {
return formatted;
}
prepComplete() {
// No-op
}
performMeasurement(data) {
return data.reduce((total, part) => total + part.text.length, 0);
}
teardown() {
// No-op
}
}