Microsoft/vscode
1
0
Fork 0
mirror of https://github.com/microsoft/vscode.git synced 2025-12-24 04:09:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

💄

Browse Source
This commit is contained in:
Matt Bierner
2019-04-02 17:24:51 -07:00
parent caafa5b692
commit 86fe4b3b1c
1 changed files with 20 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
extensions/markdown-language-features/src/features/foldingProvider.ts
View File

@@ -11,21 +11,32 @@ import { flatten } from '../util/arrays';
const rangeLimit = 5000;
const isStartRegion = (t: string) => /^\s*<!--\s*#?region\b.*-->/.test(t);
const isEndRegion = (t: string) => /^\s*<!--\s*#?endregion\b.*-->/.test(t);
const isRegionMarker = (token: Token) =>
token.type === 'html_block' && (isStartRegion(token.content) || isEndRegion(token.content));
export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvider {
constructor(
private readonly engine: MarkdownEngine
) { }
public async provideFoldingRanges(
document: vscode.TextDocument,
_: vscode.FoldingContext,
_token: vscode.CancellationToken
): Promise<vscode.FoldingRange[]> {
const foldables = await Promise.all([
this.getRegions(document),
this.getHeaderFoldingRanges(document),
this.getBlockFoldingRanges(document)
]);
return flatten(foldables).slice(0, rangeLimit);
}
private async getRegions(document: vscode.TextDocument): Promise<vscode.FoldingRange[]> {
const isStartRegion = (t: string) => /^\s*<!--\s*#?region\b.*-->/.test(t);
const isEndRegion = (t: string) => /^\s*<!--\s*#?endregion\b.*-->/.test(t);
const isRegionMarker = (token: Token) => token.type === 'html_block' &&
(isStartRegion(token.content) || isEndRegion(token.content));
const tokens = await this.engine.parse(document);
const regionMarkers = tokens.filter(isRegionMarker)
.map(token => ({ line: token.map[0], isStart: isStartRegion(token.content) }));
@@ -45,18 +56,6 @@ export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvi
.filter((region: vscode.FoldingRange | null): region is vscode.FoldingRange => !!region);
}
public async provideFoldingRanges(
document: vscode.TextDocument,
_: vscode.FoldingContext,
_token: vscode.CancellationToken
): Promise<vscode.FoldingRange[]> {
const foldables = await Promise.all([
this.getRegions(document),
this.getHeaderFoldingRanges(document),
this.getBlockFoldingRanges(document)]);
return flatten(foldables).slice(0, rangeLimit);
}
private async getHeaderFoldingRanges(document: vscode.TextDocument) {
const tocProvider = new TableOfContentsProvider(this.engine, document);
const toc = await tocProvider.getToc();
@@ -71,7 +70,7 @@ export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvi
private async getBlockFoldingRanges(document: vscode.TextDocument): Promise<vscode.FoldingRange[]> {
const isFoldableToken = (token: Token) => {
const isFoldableToken = (token: Token): boolean => {
switch (token.type) {
case 'fence':
case 'list_item_open':