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