utils/node_modules/@microsoft/api-extractor/lib/aedoc/PackageDocComment.js
2024-02-07 01:33:07 -05:00

82 lines
4.4 KiB
JavaScript

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