55 lines
2.3 KiB
Plaintext
55 lines
2.3 KiB
Plaintext
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.register = void 0;
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const shared_1 = require("../shared");
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function register(ctx) {
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const { ts } = ctx;
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return (uri) => {
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const document = ctx.getTextDocument(uri);
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if (!document)
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return [];
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const fileName = ctx.env.uriToFileName(document.uri);
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const outliningSpans = (0, shared_1.safeCall)(() => ctx.typescript.languageService.getOutliningSpans(fileName));
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if (!outliningSpans)
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return [];
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const foldingRanges = [];
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for (const outliningSpan of outliningSpans) {
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const start = document.positionAt(outliningSpan.textSpan.start);
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const end = adjustFoldingEnd(start, document.positionAt(outliningSpan.textSpan.start + outliningSpan.textSpan.length), document);
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const foldingRange = {
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startLine: start.line,
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endLine: end.line,
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startCharacter: start.character,
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endCharacter: end.character,
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kind: transformFoldingRangeKind(outliningSpan.kind),
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};
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foldingRanges.push(foldingRange);
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}
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return foldingRanges;
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};
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function transformFoldingRangeKind(tsKind) {
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switch (tsKind) {
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case ts.OutliningSpanKind.Comment: return 'comment';
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case ts.OutliningSpanKind.Imports: return 'imports';
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case ts.OutliningSpanKind.Region: return 'region';
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}
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}
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}
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exports.register = register;
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const foldEndPairCharacters = ['}', ']', ')', '`'];
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// https://github.com/microsoft/vscode/blob/bed61166fb604e519e82e4d1d1ed839bc45d65f8/extensions/typescript-language-features/src/languageFeatures/folding.ts#L61-L73
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function adjustFoldingEnd(start, end, document) {
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// workaround for #47240
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if (end.character > 0) {
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const foldEndCharacter = document.getText({
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start: { line: end.line, character: end.character - 1 },
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end,
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});
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if (foldEndPairCharacters.includes(foldEndCharacter)) {
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const endOffset = Math.max(document.offsetAt({ line: end.line, character: 0 }) - 1, document.offsetAt(start));
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return document.positionAt(endOffset);
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}
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}
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return end;
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}
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//# sourceMappingURL=foldingRanges.js.map
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