/
index.ts
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/
index.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import os from 'os';
import path from 'path';
import chalk from 'chalk';
import {sync as realpath} from 'realpath-native';
import yargs from 'yargs';
import {Config} from '@jest/types';
import {JestEnvironment} from '@jest/environment';
import {Console, setGlobal} from 'jest-util';
import {validateCLIOptions} from 'jest-validate';
import {readConfig, deprecationEntries} from 'jest-config';
import {VERSION} from '../version';
import {Context} from '../types';
import * as args from './args';
export function run(cliArgv?: Config.Argv, cliInfo?: Array<string>) {
const realFs = require('fs');
const fs = require('graceful-fs');
fs.gracefulify(realFs);
let argv;
if (cliArgv) {
argv = cliArgv;
} else {
argv = yargs
.usage(args.usage)
.help(false)
.version(false)
.options(args.options).argv;
// @ts-ignore: fix this at some point
validateCLIOptions(argv, {...args.options, deprecationEntries});
}
if (argv.help) {
yargs.showHelp();
process.on('exit', () => (process.exitCode = 1));
return;
}
if (argv.version) {
console.log(`v${VERSION}\n`);
return;
}
if (!argv._.length) {
console.log('Please provide a path to a script. (See --help for details)');
process.on('exit', () => (process.exitCode = 1));
return;
}
const root = realpath(process.cwd());
const filePath = path.resolve(root, argv._[0]);
if (argv.debug) {
const info = cliInfo ? ', ' + cliInfo.join(', ') : '';
console.log(`Using Jest Runtime v${VERSION}${info}`);
}
// TODO: Figure this out
// @ts-ignore: this might not have the correct arguments
const options = readConfig(argv, root);
const globalConfig = options.globalConfig;
// Always disable automocking in scripts.
const config = {
...options.projectConfig,
automock: false,
unmockedModulePathPatterns: null,
};
// Break circular dependency
const Runtime: any = require('..');
(Runtime.createContext(config, {
maxWorkers: Math.max(os.cpus().length - 1, 1),
watchman: globalConfig.watchman,
}) as Promise<Context>)
.then(hasteMap => {
const Environment: typeof JestEnvironment = require(config.testEnvironment);
const environment = new Environment(config);
setGlobal(
environment.global,
'console',
new Console(process.stdout, process.stderr),
);
setGlobal(environment.global, 'jestProjectConfig', config);
setGlobal(environment.global, 'jestGlobalConfig', globalConfig);
const runtime = new Runtime(config, environment, hasteMap.resolver);
runtime.requireModule(filePath);
})
.catch(e => {
console.error(chalk.red(e.stack || e));
process.on('exit', () => (process.exitCode = 1));
});
}