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add markdown list folding, #57104 (#57899)

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This commit is contained in:
Jason Bright
2018-09-04 20:43:35 -04:00
committed by Matt Bierner
parent cd7c7c5fa2
commit d540729e40
2 changed files with 35 additions and 2 deletions
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18
extensions/markdown-language-features/src/features/foldingProvider.ts
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@@ -49,8 +49,8 @@ export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvi
_: vscode.FoldingContext,
_token: vscode.CancellationToken
): Promise<vscode.FoldingRange[]> {
const [regions, sections] = await Promise.all([this.getRegions(document), this.getHeaderFoldingRanges(document)]);
return [...regions, ...sections].slice(0, rangeLimit);
const [regions, sections, lists] = await Promise.all([this.getRegions(document), this.getHeaderFoldingRanges(document), this.getListFoldingRanges(document)]);
return [...regions, ...sections, ...lists].slice(0, rangeLimit);
}
private async getHeaderFoldingRanges(document: vscode.TextDocument) {
@@ -64,4 +64,18 @@ export default class MarkdownFoldingProvider implements vscode.FoldingRangeProvi
return new vscode.FoldingRange(entry.line, endLine);
});
}
private async getListFoldingRanges(document: vscode.TextDocument): Promise<vscode.FoldingRange[]> {
const isMultiLineListOpen = (token: Token) =>
token.type === 'list_item_open' && token.map[1] > token.map[0];
const tokens = await this.engine.parse(document.uri, document.getText());
const multiLineListItems = tokens.filter(isMultiLineListOpen);
return multiLineListItems.map(listItem => {
const start = listItem.map[0];
const end = listItem.map[1] - 1;
return new vscode.FoldingRange(start, end);
});
}
}