mirror of
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71 lines
2.1 KiB
TypeScript
71 lines
2.1 KiB
TypeScript
import { markdown } from '@codemirror/lang-markdown';
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import { GFM as GithubFlavoredMarkdownExt } from '@lezer/markdown';
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import { indentUnit, syntaxTree } from '@codemirror/language';
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import { SelectionRange, EditorSelection, EditorState, Extension } from '@codemirror/state';
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import { EditorView } from '@codemirror/view';
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import { MarkdownMathExtension } from '../markdown/markdownMathParser';
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import forceFullParse from './forceFullParse';
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import loadLanguages from './loadLanguages';
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// Creates and returns a minimal editor with markdown extensions. Waits to return the editor
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// until all syntax tree tags in `expectedSyntaxTreeTags` exist.
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const createTestEditor = async (
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initialText: string,
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initialSelection: SelectionRange,
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expectedSyntaxTreeTags: string[],
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extraExtensions: Extension[] = [],
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): Promise<EditorView> => {
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await loadLanguages();
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const editor = new EditorView({
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doc: initialText,
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selection: EditorSelection.create([initialSelection]),
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extensions: [
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markdown({
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extensions: [MarkdownMathExtension, GithubFlavoredMarkdownExt],
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}),
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indentUnit.of('\t'),
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EditorState.tabSize.of(4),
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EditorState.allowMultipleSelections.of(true),
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extraExtensions,
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],
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});
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let sawExpectedTagCount = 0;
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while (sawExpectedTagCount < expectedSyntaxTreeTags.length) {
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forceFullParse(editor.state);
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sawExpectedTagCount = 0;
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const seenTags = new Set<string>();
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syntaxTree(editor.state).iterate({
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from: 0,
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to: editor.state.doc.length,
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enter: (node) => {
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for (const expectedTag of expectedSyntaxTreeTags) {
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if (node.name === expectedTag) {
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seenTags.add(node.name);
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sawExpectedTagCount ++;
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break;
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}
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}
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},
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});
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if (sawExpectedTagCount < expectedSyntaxTreeTags.length) {
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// const missingTags = expectedSyntaxTreeTags.filter(tagName => {
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// return !seenTags.has(tagName);
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// });
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// console.warn(`Didn't find all expected tags. Missing ${missingTags}. Retrying...`);
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await new Promise(resolve => {
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setTimeout(resolve, 500);
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});
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}
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}
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return editor;
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};
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export default createTestEditor;
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