82 lines
4.4 KiB
JavaScript
82 lines
4.4 KiB
JavaScript
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"use strict";
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// Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
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// See LICENSE in the project root for license information.
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.PackageDocComment = void 0;
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const ts = __importStar(require("typescript"));
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class PackageDocComment {
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/**
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* For the given source file, see if it starts with a TSDoc comment containing the `@packageDocumentation` tag.
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*/
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static tryFindInSourceFile(sourceFile, collector) {
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// The @packageDocumentation comment is special because it is not attached to an AST
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// definition. Instead, it is part of the "trivia" tokens that the compiler treats
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// as irrelevant white space.
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//
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// WARNING: If the comment doesn't precede an export statement, the compiler will omit
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// it from the *.d.ts file, and API Extractor won't find it. If this happens, you need
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// to rearrange your statements to ensure it is passed through.
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//
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// This implementation assumes that the "@packageDocumentation" will be in the first TSDoc comment
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// that appears in the entry point *.d.ts file. We could possibly look in other places,
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// but the above warning suggests enforcing a standardized layout. This design choice is open
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// to feedback.
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let packageCommentRange = undefined; // empty string
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for (const commentRange of ts.getLeadingCommentRanges(sourceFile.text, sourceFile.getFullStart()) || []) {
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if (commentRange.kind === ts.SyntaxKind.MultiLineCommentTrivia) {
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const commentBody = sourceFile.text.substring(commentRange.pos, commentRange.end);
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// Choose the first JSDoc-style comment
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if (/^\s*\/\*\*/.test(commentBody)) {
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// But only if it looks like it's trying to be @packageDocumentation
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// (The TSDoc parser will validate this more rigorously)
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if (/\@packageDocumentation/i.test(commentBody)) {
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packageCommentRange = commentRange;
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}
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break;
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}
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}
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}
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if (!packageCommentRange) {
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// If we didn't find the @packageDocumentation tag in the expected place, is it in some
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// wrong place? This sanity check helps people to figure out why there comment isn't working.
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for (const statement of sourceFile.statements) {
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const ranges = [];
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ranges.push(...(ts.getLeadingCommentRanges(sourceFile.text, statement.getFullStart()) || []));
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ranges.push(...(ts.getTrailingCommentRanges(sourceFile.text, statement.getEnd()) || []));
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for (const commentRange of ranges) {
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const commentBody = sourceFile.text.substring(commentRange.pos, commentRange.end);
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if (/\@packageDocumentation/i.test(commentBody)) {
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collector.messageRouter.addAnalyzerIssueForPosition("ae-misplaced-package-tag" /* ExtractorMessageId.MisplacedPackageTag */, 'The @packageDocumentation comment must appear at the top of entry point *.d.ts file', sourceFile, commentRange.pos);
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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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return packageCommentRange;
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}
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}
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exports.PackageDocComment = PackageDocComment;
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//# sourceMappingURL=PackageDocComment.js.map
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