46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
import {
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Decoration,
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DecorationSet,
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EditorView,
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ViewPlugin,
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ViewUpdate,
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} from "../deps.ts";
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import {
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invisibleDecoration,
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isCursorInRange,
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iterateTreeInVisibleRanges,
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} from "./util.ts";
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class BlockquotePlugin {
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decorations: DecorationSet = Decoration.none;
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constructor(view: EditorView) {
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this.decorations = this.decorateLists(view);
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}
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update(update: ViewUpdate) {
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if (update.docChanged || update.viewportChanged || update.selectionSet) {
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this.decorations = this.decorateLists(update.view);
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}
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}
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private decorateLists(view: EditorView) {
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const widgets: any[] = [];
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iterateTreeInVisibleRanges(view, {
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enter: ({ type, from, to }) => {
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if (isCursorInRange(view.state, [from, to])) return;
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if (type.name === "QuoteMark") {
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widgets.push(invisibleDecoration.range(from, to));
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widgets.push(
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Decoration.line({ class: "sb-blockquote-outside" }).range(from),
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);
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}
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},
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});
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return Decoration.set(widgets, true);
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}
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}
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export const blockquotePlugin = ViewPlugin.fromClass(
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BlockquotePlugin,
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{
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decorations: (v) => v.decorations,
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},
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);
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