168 lines
8.6 KiB
JavaScript
168 lines
8.6 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.CompilerState = void 0;
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const path = __importStar(require("path"));
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const ts = __importStar(require("typescript"));
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const colors = require("colors");
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const node_core_library_1 = require("@rushstack/node-core-library");
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const ExtractorConfig_1 = require("./ExtractorConfig");
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/**
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* This class represents the TypeScript compiler state. This allows an optimization where multiple invocations
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* of API Extractor can reuse the same TypeScript compiler analysis.
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*
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* @public
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*/
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class CompilerState {
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constructor(properties) {
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this.program = properties.program;
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}
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/**
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* Create a compiler state for use with the specified `IExtractorInvokeOptions`.
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*/
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static create(extractorConfig, options) {
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let tsconfig = extractorConfig.overrideTsconfig;
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let configBasePath = extractorConfig.projectFolder;
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if (!tsconfig) {
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// If it wasn't overridden, then load it from disk
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tsconfig = node_core_library_1.JsonFile.load(extractorConfig.tsconfigFilePath);
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configBasePath = path.resolve(path.dirname(extractorConfig.tsconfigFilePath));
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}
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const commandLine = ts.parseJsonConfigFileContent(tsconfig, ts.sys, configBasePath);
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if (!commandLine.options.skipLibCheck && extractorConfig.skipLibCheck) {
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commandLine.options.skipLibCheck = true;
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console.log(colors.cyan('API Extractor was invoked with skipLibCheck. This is not recommended and may cause ' +
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'incorrect type analysis.'));
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}
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const inputFilePaths = commandLine.fileNames.concat(extractorConfig.mainEntryPointFilePath);
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if (options && options.additionalEntryPoints) {
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inputFilePaths.push(...options.additionalEntryPoints);
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}
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// Append the entry points and remove any non-declaration files from the list
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const analysisFilePaths = CompilerState._generateFilePathsForAnalysis(inputFilePaths);
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const compilerHost = CompilerState._createCompilerHost(commandLine, options);
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const program = ts.createProgram(analysisFilePaths, commandLine.options, compilerHost);
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if (commandLine.errors.length > 0) {
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const errorText = ts.flattenDiagnosticMessageText(commandLine.errors[0].messageText, '\n');
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throw new Error(`Error parsing tsconfig.json content: ${errorText}`);
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}
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return new CompilerState({
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program
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});
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}
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/**
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* Given a list of absolute file paths, return a list containing only the declaration
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* files. Duplicates are also eliminated.
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*
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* @remarks
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* The tsconfig.json settings specify the compiler's input (a set of *.ts source files,
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* plus some *.d.ts declaration files used for legacy typings). However API Extractor
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* analyzes the compiler's output (a set of *.d.ts entry point files, plus any legacy
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* typings). This requires API Extractor to generate a special file list when it invokes
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* the compiler.
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*
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* Duplicates are removed so that entry points can be appended without worrying whether they
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* may already appear in the tsconfig.json file list.
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*/
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static _generateFilePathsForAnalysis(inputFilePaths) {
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const analysisFilePaths = [];
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const seenFiles = new Set();
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for (const inputFilePath of inputFilePaths) {
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const inputFileToUpper = inputFilePath.toUpperCase();
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if (!seenFiles.has(inputFileToUpper)) {
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seenFiles.add(inputFileToUpper);
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if (!path.isAbsolute(inputFilePath)) {
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throw new Error('Input file is not an absolute path: ' + inputFilePath);
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}
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if (ExtractorConfig_1.ExtractorConfig.hasDtsFileExtension(inputFilePath)) {
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analysisFilePaths.push(inputFilePath);
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}
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}
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}
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return analysisFilePaths;
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}
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static _createCompilerHost(commandLine, options) {
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// Create a default CompilerHost that we will override
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const compilerHost = ts.createCompilerHost(commandLine.options);
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// Save a copy of the original members. Note that "compilerHost" cannot be the copy, because
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// createCompilerHost() captures that instance in a closure that is used by the members.
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const defaultCompilerHost = Object.assign({}, compilerHost);
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if (options && options.typescriptCompilerFolder) {
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// Prevent a closure parameter
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const typescriptCompilerLibFolder = path.join(options.typescriptCompilerFolder, 'lib');
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compilerHost.getDefaultLibLocation = () => typescriptCompilerLibFolder;
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}
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// Used by compilerHost.fileExists()
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// .d.ts file path --> whether the file exists
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const dtsExistsCache = new Map();
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// Used by compilerHost.fileExists()
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// Example: "c:/folder/file.part.ts"
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const fileExtensionRegExp = /^(.+)(\.[a-z0-9_]+)$/i;
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compilerHost.fileExists = (fileName) => {
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// In certain deprecated setups, the compiler may write its output files (.js and .d.ts)
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// in the same folder as the corresponding input file (.ts or .tsx). When following imports,
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// API Extractor wants to analyze the .d.ts file; however recent versions of the compiler engine
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// will instead choose the .ts file. To work around this, we hook fileExists() to hide the
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// existence of those files.
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// Is "fileName" a .d.ts file? The double extension ".d.ts" needs to be matched specially.
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if (!ExtractorConfig_1.ExtractorConfig.hasDtsFileExtension(fileName)) {
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// It's not a .d.ts file. Is the file extension a potential source file?
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const match = fileExtensionRegExp.exec(fileName);
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if (match) {
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// Example: "c:/folder/file.part"
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const pathWithoutExtension = match[1];
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// Example: ".ts"
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const fileExtension = match[2];
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switch (fileExtension.toLocaleLowerCase()) {
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case '.ts':
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case '.tsx':
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case '.js':
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case '.jsx':
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// Yes, this is a possible source file. Is there a corresponding .d.ts file in the same folder?
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const dtsFileName = `${pathWithoutExtension}.d.ts`;
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let dtsFileExists = dtsExistsCache.get(dtsFileName);
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if (dtsFileExists === undefined) {
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dtsFileExists = defaultCompilerHost.fileExists(dtsFileName);
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dtsExistsCache.set(dtsFileName, dtsFileExists);
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}
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if (dtsFileExists) {
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// fileName is a potential source file and a corresponding .d.ts file exists.
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// Thus, API Extractor should ignore this file (so the .d.ts file will get analyzed instead).
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return false;
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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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// Fall through to the default implementation
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return defaultCompilerHost.fileExists(fileName);
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};
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return compilerHost;
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}
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}
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exports.CompilerState = CompilerState;
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//# sourceMappingURL=CompilerState.js.map
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