install-nix-action/node_modules/ts-node/dist/index.js
Domen Kožar 49df04613e
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2020-02-24 13:29:22 +01:00

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