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Allow folding fenced code blocks in md

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Fixes #36169
This commit is contained in:
Matt Bierner
2018-09-05 14:58:01 -07:00
parent f67fd23ed8
commit 8a849b5734
1 changed files with 9 additions and 6 deletions
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15
extensions/markdown-language-features/src/features/foldingProvider.ts
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@@ -49,8 +49,11 @@ export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvi
_: vscode.FoldingContext,
_token: vscode.CancellationToken
): Promise<vscode.FoldingRange[]> {
const [regions, sections, lists] = await Promise.all([this.getRegions(document), this.getHeaderFoldingRanges(document), this.getListFoldingRanges(document)]);
return [...regions, ...sections, ...lists].slice(0, rangeLimit);
const foldables = await Promise.all([
this.getRegions(document),
this.getHeaderFoldingRanges(document),
this.getBlockFoldingRanges(document)]);
return [].concat.apply([], foldables).slice(0, rangeLimit);
}
private async getHeaderFoldingRanges(document: vscode.TextDocument) {
@@ -65,13 +68,13 @@ export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvi
});
}
private async getListFoldingRanges(document: vscode.TextDocument): Promise<vscode.FoldingRange[]> {
private async getBlockFoldingRanges(document: vscode.TextDocument): Promise<vscode.FoldingRange[]> {
const isMultiLineListOpen = (token: Token) =>
token.type === 'list_item_open' && token.map[1] > token.map[0];
const isFoldableToken = (token: Token) =>
['fence', 'list_item_open'].indexOf(token.type) >= 0 && token.map[1] > token.map[0];
const tokens = await this.engine.parse(document.uri, document.getText());
const multiLineListItems = tokens.filter(isMultiLineListOpen);
const multiLineListItems = tokens.filter(isFoldableToken);
return multiLineListItems.map(listItem => {
const start = listItem.map[0];
const end = listItem.map[1] - 1;