449 lines
17 KiB
JavaScript
449 lines
17 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const path_1 = require("path");
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const sourceMapSupport = require("source-map-support");
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const yn_1 = require("yn");
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const make_error_1 = require("make-error");
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const util = require("util");
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/**
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* @internal
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*/
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exports.INSPECT_CUSTOM = util.inspect.custom || 'inspect';
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/**
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* Debugging `ts-node`.
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*/
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const shouldDebug = yn_1.default(process.env.TS_NODE_DEBUG);
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const debug = shouldDebug ? console.log.bind(console, 'ts-node') : () => undefined;
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const debugFn = shouldDebug ?
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(key, fn) => {
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let i = 0;
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return (x) => {
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debug(key, x, ++i);
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return fn(x);
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};
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} :
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(_, fn) => fn;
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/**
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* Export the current version.
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*/
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exports.VERSION = require('../package.json').version;
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/**
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* Track the project information.
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*/
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class MemoryCache {
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constructor(rootFileNames = []) {
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this.rootFileNames = rootFileNames;
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this.fileContents = new Map();
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this.fileVersions = new Map();
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for (const fileName of rootFileNames)
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this.fileVersions.set(fileName, 1);
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}
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}
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/**
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* Default register options.
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*/
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exports.DEFAULTS = {
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files: yn_1.default(process.env['TS_NODE_FILES']),
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pretty: yn_1.default(process.env['TS_NODE_PRETTY']),
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compiler: process.env['TS_NODE_COMPILER'],
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compilerOptions: parse(process.env['TS_NODE_COMPILER_OPTIONS']),
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ignore: split(process.env['TS_NODE_IGNORE']),
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project: process.env['TS_NODE_PROJECT'],
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skipIgnore: yn_1.default(process.env['TS_NODE_SKIP_IGNORE']),
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skipProject: yn_1.default(process.env['TS_NODE_SKIP_PROJECT']),
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preferTsExts: yn_1.default(process.env['TS_NODE_PREFER_TS_EXTS']),
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ignoreDiagnostics: split(process.env['TS_NODE_IGNORE_DIAGNOSTICS']),
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typeCheck: yn_1.default(process.env['TS_NODE_TYPE_CHECK']),
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transpileOnly: yn_1.default(process.env['TS_NODE_TRANSPILE_ONLY']),
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logError: yn_1.default(process.env['TS_NODE_LOG_ERROR'])
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};
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/**
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* Default TypeScript compiler options required by `ts-node`.
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*/
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const TS_NODE_COMPILER_OPTIONS = {
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sourceMap: true,
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inlineSourceMap: false,
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inlineSources: true,
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declaration: false,
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noEmit: false,
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outDir: '$$ts-node$$'
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};
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/**
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* Split a string array of values.
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*/
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function split(value) {
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return typeof value === 'string' ? value.split(/ *, */g) : undefined;
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}
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exports.split = split;
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/**
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* Parse a string as JSON.
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*/
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function parse(value) {
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return typeof value === 'string' ? JSON.parse(value) : undefined;
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}
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exports.parse = parse;
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/**
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* Replace backslashes with forward slashes.
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*/
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function normalizeSlashes(value) {
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return value.replace(/\\/g, '/');
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}
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exports.normalizeSlashes = normalizeSlashes;
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/**
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* TypeScript diagnostics error.
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*/
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class TSError extends make_error_1.BaseError {
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constructor(diagnosticText, diagnosticCodes) {
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super(`⨯ Unable to compile TypeScript:\n${diagnosticText}`);
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this.diagnosticText = diagnosticText;
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this.diagnosticCodes = diagnosticCodes;
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this.name = 'TSError';
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}
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/**
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* @internal
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*/
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[exports.INSPECT_CUSTOM]() {
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return this.diagnosticText;
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}
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}
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exports.TSError = TSError;
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/**
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* Cached fs operation wrapper.
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*/
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function cachedLookup(fn) {
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const cache = new Map();
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return (arg) => {
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if (!cache.has(arg)) {
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cache.set(arg, fn(arg));
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}
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return cache.get(arg);
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};
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}
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/**
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* Register TypeScript compiler.
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*/
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function register(opts = {}) {
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const options = Object.assign({}, exports.DEFAULTS, opts);
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const originalJsHandler = require.extensions['.js']; // tslint:disable-line
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const ignoreDiagnostics = [
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6059,
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18002,
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18003,
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...(options.ignoreDiagnostics || [])
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].map(Number);
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const ignore = options.skipIgnore ? [] : (options.ignore || ['/node_modules/']).map(str => new RegExp(str));
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// Require the TypeScript compiler and configuration.
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const cwd = process.cwd();
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const typeCheck = options.typeCheck === true || options.transpileOnly !== true;
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const compiler = require.resolve(options.compiler || 'typescript', { paths: [cwd, __dirname] });
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const ts = require(compiler);
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const transformers = options.transformers || undefined;
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const readFile = options.readFile || ts.sys.readFile;
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const fileExists = options.fileExists || ts.sys.fileExists;
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const config = readConfig(cwd, ts, fileExists, readFile, options);
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const configDiagnosticList = filterDiagnostics(config.errors, ignoreDiagnostics);
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const extensions = ['.ts'];
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const outputCache = new Map();
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const diagnosticHost = {
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getNewLine: () => ts.sys.newLine,
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getCurrentDirectory: () => cwd,
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getCanonicalFileName: (path) => path
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};
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// Install source map support and read from memory cache.
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sourceMapSupport.install({
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environment: 'node',
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retrieveFile(path) {
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return outputCache.get(path) || '';
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}
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});
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const formatDiagnostics = process.stdout.isTTY || options.pretty
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? ts.formatDiagnosticsWithColorAndContext
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: ts.formatDiagnostics;
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function createTSError(diagnostics) {
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const diagnosticText = formatDiagnostics(diagnostics, diagnosticHost);
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const diagnosticCodes = diagnostics.map(x => x.code);
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return new TSError(diagnosticText, diagnosticCodes);
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}
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function reportTSError(configDiagnosticList) {
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const error = createTSError(configDiagnosticList);
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if (options.logError) {
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// Print error in red color and continue execution.
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console.error('\x1b[31m%s\x1b[0m', error);
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}
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else {
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// Throw error and exit the script.
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throw error;
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}
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}
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// Render the configuration errors.
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if (configDiagnosticList.length)
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reportTSError(configDiagnosticList);
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// Enable additional extensions when JSX or `allowJs` is enabled.
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if (config.options.jsx)
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extensions.push('.tsx');
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if (config.options.allowJs)
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extensions.push('.js');
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if (config.options.jsx && config.options.allowJs)
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extensions.push('.jsx');
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/**
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* Get the extension for a transpiled file.
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*/
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const getExtension = config.options.jsx === ts.JsxEmit.Preserve ?
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((path) => /\.[tj]sx$/.test(path) ? '.jsx' : '.js') :
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((_) => '.js');
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/**
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* Create the basic required function using transpile mode.
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*/
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let getOutput;
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let getTypeInfo;
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// Use full language services when the fast option is disabled.
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if (typeCheck) {
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const memoryCache = new MemoryCache(config.fileNames);
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const cachedReadFile = cachedLookup(debugFn('readFile', readFile));
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const getCustomTransformers = () => {
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if (typeof transformers === 'function') {
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const program = service.getProgram();
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return program ? transformers(program) : undefined;
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}
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return transformers;
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};
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// Create the compiler host for type checking.
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const serviceHost = {
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getScriptFileNames: () => memoryCache.rootFileNames,
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getScriptVersion: (fileName) => {
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const version = memoryCache.fileVersions.get(fileName);
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return version === undefined ? '' : version.toString();
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},
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getScriptSnapshot(fileName) {
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let contents = memoryCache.fileContents.get(fileName);
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// Read contents into TypeScript memory cache.
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if (contents === undefined) {
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contents = cachedReadFile(fileName);
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if (contents === undefined)
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return;
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memoryCache.fileVersions.set(fileName, 1);
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memoryCache.fileContents.set(fileName, contents);
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}
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return ts.ScriptSnapshot.fromString(contents);
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},
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readFile: cachedReadFile,
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readDirectory: cachedLookup(debugFn('readDirectory', ts.sys.readDirectory)),
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getDirectories: cachedLookup(debugFn('getDirectories', ts.sys.getDirectories)),
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fileExists: cachedLookup(debugFn('fileExists', fileExists)),
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directoryExists: cachedLookup(debugFn('directoryExists', ts.sys.directoryExists)),
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getNewLine: () => ts.sys.newLine,
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useCaseSensitiveFileNames: () => ts.sys.useCaseSensitiveFileNames,
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getCurrentDirectory: () => cwd,
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getCompilationSettings: () => config.options,
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getDefaultLibFileName: () => ts.getDefaultLibFilePath(config.options),
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getCustomTransformers: getCustomTransformers,
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writeFile: ts.sys.writeFile
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};
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const registry = ts.createDocumentRegistry(ts.sys.useCaseSensitiveFileNames, cwd);
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const service = ts.createLanguageService(serviceHost, registry);
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// Set the file contents into cache manually.
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const updateMemoryCache = (contents, fileName) => {
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const fileVersion = memoryCache.fileVersions.get(fileName) || 0;
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// Add to `rootFiles` when discovered for the first time.
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if (fileVersion === 0)
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memoryCache.rootFileNames.push(fileName);
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// Avoid incrementing cache when nothing has changed.
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if (memoryCache.fileContents.get(fileName) === contents)
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return;
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memoryCache.fileVersions.set(fileName, fileVersion + 1);
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memoryCache.fileContents.set(fileName, contents);
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};
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getOutput = (code, fileName) => {
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updateMemoryCache(code, fileName);
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const output = service.getEmitOutput(fileName);
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// Get the relevant diagnostics - this is 3x faster than `getPreEmitDiagnostics`.
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const diagnostics = service.getSemanticDiagnostics(fileName)
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.concat(service.getSyntacticDiagnostics(fileName));
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const diagnosticList = filterDiagnostics(diagnostics, ignoreDiagnostics);
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if (diagnosticList.length)
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reportTSError(diagnosticList);
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if (output.emitSkipped) {
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throw new TypeError(`${path_1.relative(cwd, fileName)}: Emit skipped`);
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}
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// Throw an error when requiring `.d.ts` files.
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if (output.outputFiles.length === 0) {
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throw new TypeError('Unable to require `.d.ts` file.\n' +
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'This is usually the result of a faulty configuration or import. ' +
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'Make sure there is a `.js`, `.json` or another executable extension and ' +
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'loader (attached before `ts-node`) available alongside ' +
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`\`${path_1.basename(fileName)}\`.`);
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}
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return [output.outputFiles[1].text, output.outputFiles[0].text];
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};
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getTypeInfo = (code, fileName, position) => {
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updateMemoryCache(code, fileName);
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const info = service.getQuickInfoAtPosition(fileName, position);
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const name = ts.displayPartsToString(info ? info.displayParts : []);
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const comment = ts.displayPartsToString(info ? info.documentation : []);
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return { name, comment };
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};
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}
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else {
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if (typeof transformers === 'function') {
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throw new TypeError('Transformers function is unavailable in "--transpile-only"');
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}
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getOutput = (code, fileName) => {
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const result = ts.transpileModule(code, {
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fileName,
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transformers,
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compilerOptions: config.options,
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reportDiagnostics: true
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});
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const diagnosticList = result.diagnostics ?
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filterDiagnostics(result.diagnostics, ignoreDiagnostics) :
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[];
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if (diagnosticList.length)
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reportTSError(configDiagnosticList);
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return [result.outputText, result.sourceMapText];
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};
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getTypeInfo = () => {
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throw new TypeError('Type information is unavailable in "--transpile-only"');
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};
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}
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// Create a simple TypeScript compiler proxy.
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function compile(code, fileName, lineOffset = 0) {
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const [value, sourceMap] = getOutput(code, fileName, lineOffset);
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const output = updateOutput(value, fileName, sourceMap, getExtension);
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outputCache.set(fileName, output);
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return output;
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}
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const register = { cwd, compile, getTypeInfo, extensions, ts };
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// Register the extensions.
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registerExtensions(options.preferTsExts, extensions, ignore, register, originalJsHandler);
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return register;
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}
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exports.register = register;
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/**
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* Check if the filename should be ignored.
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*/
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function shouldIgnore(filename, ignore) {
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const relname = normalizeSlashes(filename);
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return ignore.some(x => x.test(relname));
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}
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/**
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* "Refreshes" an extension on `require.extentions`.
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*
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* @param {string} ext
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*/
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function reorderRequireExtension(ext) {
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const old = require.extensions[ext]; // tslint:disable-line
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delete require.extensions[ext]; // tslint:disable-line
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require.extensions[ext] = old; // tslint:disable-line
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}
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/**
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* Register the extensions to support when importing files.
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*/
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|
|
function registerExtensions(preferTsExts, extensions, ignore, register, originalJsHandler) {
|
|||
|
|
// Register new extensions.
|
|||
|
|
for (const ext of extensions) {
|
|||
|
|
registerExtension(ext, ignore, register, originalJsHandler);
|
|||
|
|
}
|
|||
|
|
if (preferTsExts) {
|
|||
|
|
// tslint:disable-next-line
|
|||
|
|
const preferredExtensions = new Set([...extensions, ...Object.keys(require.extensions)]);
|
|||
|
|
for (const ext of preferredExtensions)
|
|||
|
|
reorderRequireExtension(ext);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Register the extension for node.
|
|||
|
|
*/
|
|||
|
|
function registerExtension(ext, ignore, register, originalHandler) {
|
|||
|
|
const old = require.extensions[ext] || originalHandler; // tslint:disable-line
|
|||
|
|
require.extensions[ext] = function (m, filename) {
|
|||
|
|
if (shouldIgnore(filename, ignore)) {
|
|||
|
|
return old(m, filename);
|
|||
|
|
}
|
|||
|
|
const _compile = m._compile;
|
|||
|
|
m._compile = function (code, fileName) {
|
|||
|
|
debug('module._compile', fileName);
|
|||
|
|
return _compile.call(this, register.compile(code, fileName), fileName);
|
|||
|
|
};
|
|||
|
|
return old(m, filename);
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Do post-processing on config options to support `ts-node`.
|
|||
|
|
*/
|
|||
|
|
function fixConfig(ts, config) {
|
|||
|
|
// Delete options that *should not* be passed through.
|
|||
|
|
delete config.options.out;
|
|||
|
|
delete config.options.outFile;
|
|||
|
|
delete config.options.composite;
|
|||
|
|
delete config.options.declarationDir;
|
|||
|
|
delete config.options.declarationMap;
|
|||
|
|
delete config.options.emitDeclarationOnly;
|
|||
|
|
delete config.options.tsBuildInfoFile;
|
|||
|
|
delete config.options.incremental;
|
|||
|
|
// Target ES5 output by default (instead of ES3).
|
|||
|
|
if (config.options.target === undefined) {
|
|||
|
|
config.options.target = ts.ScriptTarget.ES5;
|
|||
|
|
}
|
|||
|
|
// Target CommonJS modules by default (instead of magically switching to ES6 when the target is ES6).
|
|||
|
|
if (config.options.module === undefined) {
|
|||
|
|
config.options.module = ts.ModuleKind.CommonJS;
|
|||
|
|
}
|
|||
|
|
return config;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Load TypeScript configuration.
|
|||
|
|
*/
|
|||
|
|
function readConfig(cwd, ts, fileExists, readFile, options) {
|
|||
|
|
let config = { compilerOptions: {} };
|
|||
|
|
let basePath = normalizeSlashes(cwd);
|
|||
|
|
let configFileName = undefined;
|
|||
|
|
// Read project configuration when available.
|
|||
|
|
if (!options.skipProject) {
|
|||
|
|
configFileName = options.project
|
|||
|
|
? normalizeSlashes(path_1.resolve(cwd, options.project))
|
|||
|
|
: ts.findConfigFile(normalizeSlashes(cwd), fileExists);
|
|||
|
|
if (configFileName) {
|
|||
|
|
const result = ts.readConfigFile(configFileName, readFile);
|
|||
|
|
// Return diagnostics.
|
|||
|
|
if (result.error) {
|
|||
|
|
return { errors: [result.error], fileNames: [], options: {} };
|
|||
|
|
}
|
|||
|
|
config = result.config;
|
|||
|
|
basePath = normalizeSlashes(path_1.dirname(configFileName));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
// Remove resolution of "files".
|
|||
|
|
if (!options.files) {
|
|||
|
|
config.files = [];
|
|||
|
|
config.include = [];
|
|||
|
|
}
|
|||
|
|
// Override default configuration options `ts-node` requires.
|
|||
|
|
config.compilerOptions = Object.assign({}, config.compilerOptions, options.compilerOptions, TS_NODE_COMPILER_OPTIONS);
|
|||
|
|
return fixConfig(ts, ts.parseJsonConfigFileContent(config, ts.sys, basePath, undefined, configFileName));
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Update the output remapping the source map.
|
|||
|
|
*/
|
|||
|
|
function updateOutput(outputText, fileName, sourceMap, getExtension) {
|
|||
|
|
const base64Map = Buffer.from(updateSourceMap(sourceMap, fileName), 'utf8').toString('base64');
|
|||
|
|
const sourceMapContent = `data:application/json;charset=utf-8;base64,${base64Map}`;
|
|||
|
|
const sourceMapLength = `${path_1.basename(fileName)}.map`.length + (getExtension(fileName).length - path_1.extname(fileName).length);
|
|||
|
|
return outputText.slice(0, -sourceMapLength) + sourceMapContent;
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Update the source map contents for improved output.
|
|||
|
|
*/
|
|||
|
|
function updateSourceMap(sourceMapText, fileName) {
|
|||
|
|
const sourceMap = JSON.parse(sourceMapText);
|
|||
|
|
sourceMap.file = fileName;
|
|||
|
|
sourceMap.sources = [fileName];
|
|||
|
|
delete sourceMap.sourceRoot;
|
|||
|
|
return JSON.stringify(sourceMap);
|
|||
|
|
}
|
|||
|
|
/**
|
|||
|
|
* Filter diagnostics.
|
|||
|
|
*/
|
|||
|
|
function filterDiagnostics(diagnostics, ignore) {
|
|||
|
|
return diagnostics.filter(x => ignore.indexOf(x.code) === -1);
|
|||
|
|
}
|
|||
|
|
//# sourceMappingURL=index.js.map
|