JezK
Edit File: nyc
#!/usr/bin/env node 'use strict' const configUtil = require('../lib/config-util') const { cliWrapper, suppressEPIPE } = require('../lib/commands/helpers') const foreground = require('foreground-child') const resolveFrom = require('resolve-from') const NYC = require('../index.js') // parse configuration and command-line arguments; // we keep these values in a few different forms, // used in the various execution contexts of nyc: // reporting, instrumenting subprocesses, etc. async function main () { const { argv, childArgs, yargs } = await configUtil() if (['check-coverage', 'report', 'instrument', 'merge'].includes(argv._[0])) { // look in lib/commands for logic. return } if (argv._.length === 0) { // I don't have a clue what you're doing. process.exitCode = 1 yargs.showHelp() return } // if instrument is set to false, // enable a noop instrumenter. if (!argv.instrument) argv.instrumenter = './lib/instrumenters/noop' else argv.instrumenter = './lib/instrumenters/istanbul' var nyc = (new NYC(argv)) if (argv.clean) { await nyc.reset() } else { await nyc.createTempDirectory() } const env = { NYC_CONFIG: JSON.stringify(argv), NYC_CWD: process.cwd() } /* istanbul ignore else */ if (argv['babel-cache'] === false) { // babel's cache interferes with some configurations, so is // disabled by default. opt in by setting babel-cache=true. env.BABEL_DISABLE_CACHE = process.env.BABEL_DISABLE_CACHE = '1' } if (!argv.useSpawnWrap) { const requireModules = [ require.resolve('../lib/register-env.js'), ...nyc.require.map(mod => resolveFrom.silent(nyc.cwd, mod) || mod) ] const preloadList = require('node-preload') preloadList.push( ...requireModules, require.resolve('../lib/wrap.js') ) Object.assign(process.env, env) requireModules.forEach(mod => { require(mod) }) } if (argv.all) { await nyc.addAllFiles() } if (argv.useSpawnWrap) { const wrapper = require.resolve('./wrap.js') // Support running nyc as a user without HOME (e.g. linux 'nobody'), // https://github.com/istanbuljs/nyc/issues/951 env.SPAWN_WRAP_SHIM_ROOT = process.env.SPAWN_WRAP_SHIM_ROOT || process.env.XDG_CACHE_HOME || require('os').homedir() const sw = require('spawn-wrap') sw([wrapper], env) } // Both running the test script invocation and the check-coverage run may // set process.exitCode. Keep track so that both children are run, but // a non-zero exit codes in either one leads to an overall non-zero exit code. process.exitCode = 0 foreground(childArgs, async () => { const mainChildExitCode = process.exitCode try { await nyc.writeProcessIndex() nyc.maybePurgeSourceMapCache() if (argv.checkCoverage) { await nyc.checkCoverage({ lines: argv.lines, functions: argv.functions, branches: argv.branches, statements: argv.statements }, argv['per-file']).catch(suppressEPIPE) process.exitCode = process.exitCode || mainChildExitCode } if (!argv.silent) { await nyc.report().catch(suppressEPIPE) } } catch (error) { /* istanbul ignore next */ process.exitCode = process.exitCode || mainChildExitCode || 1 /* istanbul ignore next */ console.error(error.message) } }) } cliWrapper(main)()