91 lines
4.6 KiB
JavaScript
91 lines
4.6 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var path = require("path");
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var fs = require("fs");
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require('colors');
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var afterCompile = require("./after-compile");
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var config = require("./config");
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var compilerSetup = require("./compilerSetup");
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var utils = require("./utils");
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var logger = require("./logger");
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var makeServicesHost = require("./servicesHost");
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var watchRun = require("./watch-run");
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var instances = {};
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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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if (utils.hasOwnProperty(instances, loaderOptions.instance)) {
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return { instance: instances[loaderOptions.instance] };
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}
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var log = logger.makeLogger(loaderOptions);
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var _a = compilerSetup.getCompiler(loaderOptions, log), compiler = _a.compiler, compilerCompatible = _a.compilerCompatible, compilerDetailsLogMessage = _a.compilerDetailsLogMessage, errorMessage = _a.errorMessage;
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if (errorMessage) {
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return { error: utils.makeError({ rawMessage: errorMessage }) };
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}
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var _b = config.getConfigFile(compiler, loader, loaderOptions, compilerCompatible, log, compilerDetailsLogMessage), configFilePath = _b.configFilePath, configFile = _b.configFile, configFileError = _b.configFileError;
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if (configFileError) {
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return { error: configFileError };
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}
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var configParseResult = config.getConfigParseResult(compiler, configFile, configFilePath);
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if (configParseResult.errors.length && !loaderOptions.happyPackMode) {
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utils.registerWebpackErrors(loader._module.errors, utils.formatErrors(configParseResult.errors, loaderOptions, compiler, { file: configFilePath }));
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return { error: utils.makeError({ rawMessage: 'error while parsing tsconfig.json', file: configFilePath }) };
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}
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var compilerOptions = compilerSetup.getCompilerOptions(compilerCompatible, compiler, configParseResult);
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var files = {};
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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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var program = compiler.createProgram([], compilerOptions);
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var diagnostics = program.getOptionsDiagnostics();
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// happypack does not have _module.errors - see https://github.com/TypeStrong/ts-loader/issues/336
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if (!loaderOptions.happyPackMode) {
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utils.registerWebpackErrors(loader._module.errors, utils.formatErrors(diagnostics, loaderOptions, compiler, { file: configFilePath || 'tsconfig.json' }));
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}
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return { instance: instances[loaderOptions.instance] = { compiler: compiler, compilerOptions: compilerOptions, loaderOptions: loaderOptions, files: files, dependencyGraph: {}, reverseDependencyGraph: {} } };
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}
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// Load initial files (core lib files, any files specified in tsconfig.json)
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var normalizedFilePath;
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try {
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var filesToLoad = configParseResult.fileNames;
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filesToLoad.forEach(function (filePath) {
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normalizedFilePath = path.normalize(filePath);
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files[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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});
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}
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catch (exc) {
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return { error: utils.makeError({
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rawMessage: "A file specified in tsconfig.json could not be found: " + normalizedFilePath
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}) };
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}
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// if allowJs is set then we should accept js(x) files
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var scriptRegex = configParseResult.options.allowJs && loaderOptions.entryFileIsJs
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? /\.tsx?$|\.jsx?$/i
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: /\.tsx?$/i;
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var instance = instances[loaderOptions.instance] = {
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compiler: compiler,
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compilerOptions: compilerOptions,
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loaderOptions: loaderOptions,
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files: files,
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languageService: null,
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version: 0,
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dependencyGraph: {},
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reverseDependencyGraph: {},
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modifiedFiles: null,
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};
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var servicesHost = makeServicesHost(scriptRegex, log, loader, instance, loaderOptions.appendTsSuffixTo);
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instance.languageService = compiler.createLanguageService(servicesHost, compiler.createDocumentRegistry());
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loader._compiler.plugin("after-compile", afterCompile(instance, configFilePath));
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loader._compiler.plugin("watch-run", watchRun(instance));
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return { instance: instance };
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}
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exports.getTypeScriptInstance = getTypeScriptInstance;
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