521 lines
24 KiB
JavaScript
521 lines
24 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getEmitOutput = exports.getEmitFromWatchHost = exports.getInputFileNameFromOutput = exports.getOutputFileNames = exports.forEachResolvedProjectReference = exports.buildSolutionReferences = exports.reportTranspileErrors = exports.initializeInstance = exports.getTypeScriptInstance = void 0;
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const chalk = require("chalk");
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const fs = require("fs");
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const path = require("path");
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const webpack = require("webpack");
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const after_compile_1 = require("./after-compile");
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const compilerSetup_1 = require("./compilerSetup");
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const config_1 = require("./config");
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const constants_1 = require("./constants");
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const instance_cache_1 = require("./instance-cache");
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const logger = require("./logger");
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const servicesHost_1 = require("./servicesHost");
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const utils_1 = require("./utils");
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const watch_run_1 = require("./watch-run");
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const instancesBySolutionBuilderConfigs = new Map();
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/**
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* The loader is executed once for each file seen by webpack. However, we need to keep
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* a persistent instance of TypeScript that contains all of the files in the program
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* along with definition files and options. This function either creates an instance
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* or returns the existing one. Multiple instances are possible by using the
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* `instance` property.
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*/
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function getTypeScriptInstance(loaderOptions, loader) {
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const existing = instance_cache_1.getTSInstanceFromCache(loader._compiler, loaderOptions.instance);
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if (existing) {
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if (!existing.initialSetupPending) {
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utils_1.ensureProgram(existing);
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}
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return { instance: existing };
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}
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const level = loaderOptions.colors && chalk.supportsColor ? chalk.supportsColor.level : 0;
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const colors = new chalk.Instance({ level });
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const log = logger.makeLogger(loaderOptions, colors);
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const compiler = compilerSetup_1.getCompiler(loaderOptions, log);
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if (compiler.errorMessage !== undefined) {
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return {
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error: utils_1.makeError(loaderOptions, colors.red(compiler.errorMessage), undefined),
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};
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}
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return successfulTypeScriptInstance(loaderOptions, loader, log, colors, compiler.compiler, compiler.compilerCompatible, compiler.compilerDetailsLogMessage);
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}
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exports.getTypeScriptInstance = getTypeScriptInstance;
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function createFilePathKeyMapper(compiler, loaderOptions) {
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// Cache file path key - a map lookup is much faster than filesystem/regex operations & the result will never change
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const filePathMapperCache = new Map();
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// FileName lowercasing copied from typescript
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const fileNameLowerCaseRegExp = /[^\u0130\u0131\u00DFa-z0-9\\/:\-_\. ]+/g;
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return utils_1.useCaseSensitiveFileNames(compiler, loaderOptions)
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? pathResolve
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: toFileNameLowerCase;
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function pathResolve(filePath) {
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let cachedPath = filePathMapperCache.get(filePath);
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if (!cachedPath) {
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cachedPath = path.resolve(filePath);
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filePathMapperCache.set(filePath, cachedPath);
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}
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return cachedPath;
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}
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function toFileNameLowerCase(filePath) {
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let cachedPath = filePathMapperCache.get(filePath);
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if (!cachedPath) {
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const filePathKey = pathResolve(filePath);
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cachedPath = fileNameLowerCaseRegExp.test(filePathKey)
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? filePathKey.replace(fileNameLowerCaseRegExp, ch => ch.toLowerCase())
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: filePathKey;
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filePathMapperCache.set(filePath, cachedPath);
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}
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return cachedPath;
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}
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}
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function successfulTypeScriptInstance(loaderOptions, loader, log, colors, compiler, compilerCompatible, compilerDetailsLogMessage) {
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const configFileAndPath = config_1.getConfigFile(compiler, colors, loader, loaderOptions, compilerCompatible, log, compilerDetailsLogMessage);
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if (configFileAndPath.configFileError !== undefined) {
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const { message, file } = configFileAndPath.configFileError;
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return {
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error: utils_1.makeError(loaderOptions, colors.red('error while reading tsconfig.json:' + constants_1.EOL + message), file),
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};
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}
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const { configFilePath, configFile } = configFileAndPath;
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const filePathKeyMapper = createFilePathKeyMapper(compiler, loaderOptions);
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if (configFilePath && loaderOptions.projectReferences) {
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const configFileKey = filePathKeyMapper(configFilePath);
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const existing = getExistingSolutionBuilderHost(configFileKey);
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if (existing) {
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// Reuse the instance if config file for project references is shared.
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instance_cache_1.setTSInstanceInCache(loader._compiler, loaderOptions.instance, existing);
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return { instance: existing };
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}
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}
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const module = loader._module;
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const basePath = loaderOptions.context || path.dirname(configFilePath || '');
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const configParseResult = config_1.getConfigParseResult(compiler, configFile, basePath, configFilePath, loaderOptions);
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if (configParseResult.errors.length > 0 && !loaderOptions.happyPackMode) {
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const errors = utils_1.formatErrors(configParseResult.errors, loaderOptions, colors, compiler, { file: configFilePath }, loader.context);
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/**
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* Since webpack 5, the `errors` property is deprecated,
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* so we can check if some methods for reporting errors exist.
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*/
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if (module.addError) {
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errors.forEach(error => module.addError(error));
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}
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else {
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module.errors.push(...errors);
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}
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return {
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error: utils_1.makeError(loaderOptions, colors.red('error while parsing tsconfig.json'), configFilePath),
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};
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}
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const compilerOptions = compilerSetup_1.getCompilerOptions(configParseResult, compiler);
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const rootFileNames = new Set();
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const files = new Map();
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const otherFiles = new Map();
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const appendTsTsxSuffixesIfRequired = loaderOptions.appendTsSuffixTo.length > 0 ||
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loaderOptions.appendTsxSuffixTo.length > 0
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? (filePath) => utils_1.appendSuffixesIfMatch({
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'.ts': loaderOptions.appendTsSuffixTo,
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'.tsx': loaderOptions.appendTsxSuffixTo,
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}, filePath)
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: (filePath) => filePath;
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if (loaderOptions.transpileOnly) {
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// quick return for transpiling
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// we do need to check for any issues with TS options though
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const transpileInstance = {
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compiler,
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compilerOptions,
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appendTsTsxSuffixesIfRequired,
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loaderOptions,
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rootFileNames,
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files,
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otherFiles,
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version: 0,
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program: undefined,
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dependencyGraph: new Map(),
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transformers: {},
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colors,
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initialSetupPending: true,
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reportTranspileErrors: true,
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configFilePath,
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configParseResult,
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log,
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filePathKeyMapper,
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};
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instance_cache_1.setTSInstanceInCache(loader._compiler, loaderOptions.instance, transpileInstance);
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return { instance: transpileInstance };
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}
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// Load initial files (core lib files, any files specified in tsconfig.json)
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let normalizedFilePath;
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try {
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const filesToLoad = loaderOptions.onlyCompileBundledFiles
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? configParseResult.fileNames.filter(fileName => constants_1.dtsDtsxOrDtsDtsxMapRegex.test(fileName))
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: configParseResult.fileNames;
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filesToLoad.forEach(filePath => {
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normalizedFilePath = path.normalize(filePath);
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files.set(filePathKeyMapper(normalizedFilePath), {
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fileName: normalizedFilePath,
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text: fs.readFileSync(normalizedFilePath, 'utf-8'),
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version: 0,
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});
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rootFileNames.add(normalizedFilePath);
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});
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}
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catch (exc) {
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return {
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error: utils_1.makeError(loaderOptions, colors.red(`A file specified in tsconfig.json could not be found: ${normalizedFilePath}`), normalizedFilePath),
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};
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}
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const instance = {
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compiler,
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compilerOptions,
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appendTsTsxSuffixesIfRequired,
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loaderOptions,
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rootFileNames,
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files,
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otherFiles,
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languageService: null,
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version: 0,
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transformers: {},
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dependencyGraph: new Map(),
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colors,
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initialSetupPending: true,
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configFilePath,
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configParseResult,
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log,
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filePathKeyMapper,
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};
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instance_cache_1.setTSInstanceInCache(loader._compiler, loaderOptions.instance, instance);
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return { instance };
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}
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function getExistingSolutionBuilderHost(key) {
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const existing = instancesBySolutionBuilderConfigs.get(key);
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if (existing)
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return existing;
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for (const instance of instancesBySolutionBuilderConfigs.values()) {
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if (instance.solutionBuilderHost.configFileInfo.has(key)) {
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return instance;
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}
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}
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return undefined;
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}
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// Adding assets in afterCompile is deprecated in webpack 5 so we
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// need different behavior for webpack4 and 5
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const addAssetHooks = !!webpack.version.match(/^4.*/)
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? (loader, instance) => {
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// add makeAfterCompile with addAssets = true to emit assets and report errors
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loader._compiler.hooks.afterCompile.tapAsync('ts-loader', after_compile_1.makeAfterCompile(instance, instance.configFilePath));
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}
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: (loader, instance) => {
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// We must be running under webpack 5+
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// makeAfterCompile is a closure. It returns a function which closes over the variable checkAllFilesForErrors
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// We need to get the function once and then reuse it, otherwise it will be recreated each time
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// and all files will always be checked.
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const cachedMakeAfterCompile = after_compile_1.makeAfterCompile(instance, instance.configFilePath);
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// compilation is actually of type webpack.compilation.Compilation, but afterProcessAssets
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// only exists in webpack5 and at the time of writing ts-loader is built using webpack4
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const makeAssetsCallback = (compilation) => {
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compilation.hooks.afterProcessAssets.tap('ts-loader', () => cachedMakeAfterCompile(compilation, () => {
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return null;
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}));
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};
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// We need to add the hook above for each run.
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// For the first run, we just need to add the hook to loader._compilation
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makeAssetsCallback(loader._compilation);
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// For future calls in watch mode we need to watch for a new compilation and add the hook
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loader._compiler.hooks.compilation.tap('ts-loader', makeAssetsCallback);
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// It may be better to add assets at the processAssets stage (https://webpack.js.org/api/compilation-hooks/#processassets)
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// This requires Compilation.PROCESS_ASSETS_STAGE_ADDITIONAL, which does not exist in webpack4
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// Consider changing this when ts-loader is built using webpack5
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};
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function initializeInstance(loader, instance) {
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if (!instance.initialSetupPending) {
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return;
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}
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instance.initialSetupPending = false;
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// same strategy as https://github.com/s-panferov/awesome-typescript-loader/pull/531/files
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let { getCustomTransformers: customerTransformers } = instance.loaderOptions;
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let getCustomTransformers = Function.prototype;
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if (typeof customerTransformers === 'function') {
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getCustomTransformers = customerTransformers;
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}
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else if (typeof customerTransformers === 'string') {
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try {
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customerTransformers = require(customerTransformers);
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}
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catch (err) {
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throw new Error(`Failed to load customTransformers from "${instance.loaderOptions.getCustomTransformers}": ${err.message}`);
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}
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if (typeof customerTransformers !== 'function') {
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throw new Error(`Custom transformers in "${instance.loaderOptions.getCustomTransformers}" should export a function, got ${typeof getCustomTransformers}`);
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}
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getCustomTransformers = customerTransformers;
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}
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if (instance.loaderOptions.transpileOnly) {
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const program = (instance.program =
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instance.configParseResult.projectReferences !== undefined
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? instance.compiler.createProgram({
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rootNames: instance.configParseResult.fileNames,
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options: instance.configParseResult.options,
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projectReferences: instance.configParseResult.projectReferences,
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})
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: instance.compiler.createProgram([], instance.compilerOptions));
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instance.transformers = getCustomTransformers(program);
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// Setup watch run for solution building
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if (instance.solutionBuilderHost) {
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addAssetHooks(loader, instance);
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loader._compiler.hooks.watchRun.tapAsync('ts-loader', watch_run_1.makeWatchRun(instance, loader));
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}
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}
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else {
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if (!loader._compiler.hooks) {
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throw new Error("You may be using an old version of webpack; please check you're using at least version 4");
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}
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if (instance.loaderOptions.experimentalWatchApi) {
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instance.log.logInfo('Using watch api');
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// If there is api available for watch, use it instead of language service
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instance.watchHost = servicesHost_1.makeWatchHost(getScriptRegexp(instance), loader, instance, instance.configParseResult.projectReferences);
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instance.watchOfFilesAndCompilerOptions = instance.compiler.createWatchProgram(instance.watchHost);
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instance.builderProgram = instance.watchOfFilesAndCompilerOptions.getProgram();
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instance.program = instance.builderProgram.getProgram();
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instance.transformers = getCustomTransformers(instance.program);
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}
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else {
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instance.servicesHost = servicesHost_1.makeServicesHost(getScriptRegexp(instance), loader, instance, instance.configParseResult.projectReferences);
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instance.languageService = instance.compiler.createLanguageService(instance.servicesHost, instance.compiler.createDocumentRegistry());
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instance.transformers = getCustomTransformers(instance.languageService.getProgram());
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}
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addAssetHooks(loader, instance);
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loader._compiler.hooks.watchRun.tapAsync('ts-loader', watch_run_1.makeWatchRun(instance, loader));
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}
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}
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exports.initializeInstance = initializeInstance;
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function getScriptRegexp(instance) {
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// If resolveJsonModules is set, we should accept json files
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if (instance.configParseResult.options.resolveJsonModule) {
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// if allowJs is set then we should accept js(x) files
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return instance.configParseResult.options.allowJs === true
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? /\.tsx?$|\.json$|\.jsx?$/i
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: /\.tsx?$|\.json$/i;
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}
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// if allowJs is set then we should accept js(x) files
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return instance.configParseResult.options.allowJs === true
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? /\.tsx?$|\.jsx?$/i
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: /\.tsx?$/i;
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}
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function reportTranspileErrors(instance, loader) {
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if (!instance.reportTranspileErrors) {
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return;
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}
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const module = loader._module;
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instance.reportTranspileErrors = false;
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// happypack does not have _module.errors - see https://github.com/TypeStrong/ts-loader/issues/336
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if (!instance.loaderOptions.happyPackMode) {
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const solutionErrors = servicesHost_1.getSolutionErrors(instance, loader.context);
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const diagnostics = instance.program.getOptionsDiagnostics();
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const errors = utils_1.formatErrors(diagnostics, instance.loaderOptions, instance.colors, instance.compiler, { file: instance.configFilePath || 'tsconfig.json' }, loader.context);
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/**
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* Since webpack 5, the `errors` property is deprecated,
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* so we can check if some methods for reporting errors exist.
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*/
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if (module.addError) {
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[...solutionErrors, ...errors].forEach(error => module.addError(error));
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}
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else {
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module.errors.push(...solutionErrors, ...errors);
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}
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}
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}
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exports.reportTranspileErrors = reportTranspileErrors;
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function buildSolutionReferences(instance, loader) {
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if (!utils_1.supportsSolutionBuild(instance)) {
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return;
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}
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if (!instance.solutionBuilderHost) {
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// Use solution builder
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instance.log.logInfo('Using SolutionBuilder api');
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const scriptRegex = getScriptRegexp(instance);
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instance.solutionBuilderHost = servicesHost_1.makeSolutionBuilderHost(scriptRegex, loader, instance);
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const solutionBuilder = instance.compiler.createSolutionBuilderWithWatch(instance.solutionBuilderHost, instance.configParseResult.projectReferences.map(ref => ref.path), { verbose: true });
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solutionBuilder.build();
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instance.solutionBuilderHost.ensureAllReferenceTimestamps();
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instancesBySolutionBuilderConfigs.set(instance.filePathKeyMapper(instance.configFilePath), instance);
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}
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else {
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instance.solutionBuilderHost.buildReferences();
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}
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}
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exports.buildSolutionReferences = buildSolutionReferences;
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function forEachResolvedProjectReference(resolvedProjectReferences, cb) {
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let seenResolvedRefs;
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return worker(resolvedProjectReferences);
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function worker(resolvedRefs) {
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if (resolvedRefs) {
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for (const resolvedRef of resolvedRefs) {
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if (!resolvedRef) {
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continue;
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}
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if (seenResolvedRefs &&
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seenResolvedRefs.some(seenRef => seenRef === resolvedRef)) {
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// ignore recursives
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continue;
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}
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(seenResolvedRefs || (seenResolvedRefs = [])).push(resolvedRef);
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const result = cb(resolvedRef) || worker(resolvedRef.references);
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if (result) {
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return result;
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}
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}
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}
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return undefined;
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}
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}
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exports.forEachResolvedProjectReference = forEachResolvedProjectReference;
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// This code is here as a temporary holder
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function fileExtensionIs(fileName, ext) {
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return fileName.endsWith(ext);
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}
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function rootDirOfOptions(instance, configFile) {
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return (configFile.options.rootDir ||
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instance.compiler.getDirectoryPath(configFile.options.configFilePath));
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}
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function getOutputPathWithoutChangingExt(instance, inputFileName, configFile, ignoreCase, outputDir) {
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return outputDir
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? instance.compiler.resolvePath(outputDir, instance.compiler.getRelativePathFromDirectory(rootDirOfOptions(instance, configFile), inputFileName, ignoreCase))
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: inputFileName;
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}
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function getOutputJSFileName(instance, inputFileName, configFile, ignoreCase) {
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if (configFile.options.emitDeclarationOnly) {
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return undefined;
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}
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const isJsonFile = fileExtensionIs(inputFileName, '.json');
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const outputFileName = instance.compiler.changeExtension(getOutputPathWithoutChangingExt(instance, inputFileName, configFile, ignoreCase, configFile.options.outDir), isJsonFile
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? '.json'
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: fileExtensionIs(inputFileName, '.tsx') &&
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configFile.options.jsx === instance.compiler.JsxEmit.Preserve
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? '.jsx'
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: '.js');
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return !isJsonFile ||
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instance.compiler.comparePaths(inputFileName, outputFileName, configFile.options.configFilePath, ignoreCase) !== instance.compiler.Comparison.EqualTo
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? outputFileName
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: undefined;
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}
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function getOutputFileNames(instance, configFile, inputFileName) {
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const ignoreCase = !utils_1.useCaseSensitiveFileNames(instance.compiler, instance.loaderOptions);
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if (instance.compiler.getOutputFileNames) {
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return instance.compiler.getOutputFileNames(configFile, inputFileName, ignoreCase);
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}
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const outputs = [];
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const addOutput = (fileName) => fileName && outputs.push(fileName);
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const js = getOutputJSFileName(instance, inputFileName, configFile, ignoreCase);
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addOutput(js);
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if (!fileExtensionIs(inputFileName, '.json')) {
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if (js && configFile.options.sourceMap) {
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addOutput(`${js}.map`);
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}
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if ((configFile.options.declaration || configFile.options.composite) &&
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instance.compiler.hasTSFileExtension(inputFileName)) {
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const dts = instance.compiler.getOutputDeclarationFileName(inputFileName, configFile, ignoreCase);
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addOutput(dts);
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if (configFile.options.declarationMap) {
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addOutput(`${dts}.map`);
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}
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}
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}
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return outputs;
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}
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exports.getOutputFileNames = getOutputFileNames;
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function getInputFileNameFromOutput(instance, filePath) {
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if (filePath.match(constants_1.tsTsxRegex) && !fileExtensionIs(filePath, '.d.ts')) {
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return undefined;
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}
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if (instance.solutionBuilderHost) {
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return instance.solutionBuilderHost.getInputFileNameFromOutput(filePath);
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}
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const program = utils_1.ensureProgram(instance);
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return (program &&
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program.getResolvedProjectReferences &&
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forEachResolvedProjectReference(program.getResolvedProjectReferences(), ({ commandLine }) => {
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const { options, fileNames } = commandLine;
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if (!options.outFile && !options.out) {
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const input = fileNames.find(file => getOutputFileNames(instance, commandLine, file).find(name => path.resolve(name) === filePath));
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return input && path.resolve(input);
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}
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return undefined;
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}));
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}
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exports.getInputFileNameFromOutput = getInputFileNameFromOutput;
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function getEmitFromWatchHost(instance, filePath) {
|
|
const program = utils_1.ensureProgram(instance);
|
|
const builderProgram = instance.builderProgram;
|
|
if (builderProgram && program) {
|
|
if (filePath) {
|
|
const existing = instance.watchHost.outputFiles.get(instance.filePathKeyMapper(filePath));
|
|
if (existing) {
|
|
return existing;
|
|
}
|
|
}
|
|
const outputFiles = [];
|
|
const writeFile = (fileName, text, writeByteOrderMark) => {
|
|
if (fileName.endsWith('.tsbuildinfo')) {
|
|
instance.watchHost.tsbuildinfo = {
|
|
name: fileName,
|
|
writeByteOrderMark,
|
|
text,
|
|
};
|
|
}
|
|
else {
|
|
outputFiles.push({ name: fileName, writeByteOrderMark, text });
|
|
}
|
|
};
|
|
const sourceFile = filePath ? program.getSourceFile(filePath) : undefined;
|
|
// Try emit Next file
|
|
while (true) {
|
|
const result = builderProgram.emitNextAffectedFile(writeFile,
|
|
/*cancellationToken*/ undefined,
|
|
/*emitOnlyDtsFiles*/ false, instance.transformers);
|
|
if (!result) {
|
|
break;
|
|
}
|
|
// Only put the output file in the cache if the source came from webpack and
|
|
// was processed by the loaders
|
|
if (result.affected === sourceFile) {
|
|
instance.watchHost.outputFiles.set(instance.filePathKeyMapper(result.affected.fileName), outputFiles.slice());
|
|
return outputFiles;
|
|
}
|
|
}
|
|
}
|
|
return undefined;
|
|
}
|
|
exports.getEmitFromWatchHost = getEmitFromWatchHost;
|
|
function getEmitOutput(instance, filePath) {
|
|
if (fileExtensionIs(filePath, instance.compiler.Extension.Dts)) {
|
|
return [];
|
|
}
|
|
if (utils_1.isReferencedFile(instance, filePath)) {
|
|
return instance.solutionBuilderHost.getOutputFilesFromReferencedProjectInput(filePath);
|
|
}
|
|
const program = utils_1.ensureProgram(instance);
|
|
if (program !== undefined) {
|
|
const sourceFile = program.getSourceFile(filePath);
|
|
const outputFiles = [];
|
|
const writeFile = (fileName, text, writeByteOrderMark) => outputFiles.push({ name: fileName, writeByteOrderMark, text });
|
|
const outputFilesFromWatch = getEmitFromWatchHost(instance, filePath);
|
|
if (outputFilesFromWatch) {
|
|
return outputFilesFromWatch;
|
|
}
|
|
program.emit(sourceFile, writeFile,
|
|
/*cancellationToken*/ undefined,
|
|
/*emitOnlyDtsFiles*/ false, instance.transformers);
|
|
return outputFiles;
|
|
}
|
|
else {
|
|
// Emit Javascript
|
|
return instance.languageService.getProgram().getSourceFile(filePath) ===
|
|
undefined
|
|
? []
|
|
: instance.languageService.getEmitOutput(filePath).outputFiles;
|
|
}
|
|
}
|
|
exports.getEmitOutput = getEmitOutput;
|
|
//# sourceMappingURL=instances.js.map
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