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- #!/usr/bin/env node
- 'use strict'
- const fs = require('fs')
- // Force colors for packages that depend on https://www.npmjs.com/package/supports-color
- const { supportsColor } = require('chalk')
- if (supportsColor && supportsColor.level) {
- process.env.FORCE_COLOR = supportsColor.level.toString()
- }
- // Do not terminate main Listr process on SIGINT
- process.on('SIGINT', () => {})
- const pkg = require('../package.json')
- require('please-upgrade-node')(
- Object.assign({}, pkg, {
- engines: {
- node: '>=10.13.0', // First LTS release of 'Dubnium'
- },
- })
- )
- const cmdline = require('commander')
- const debugLib = require('debug')
- const lintStaged = require('../lib')
- const { CONFIG_STDIN_ERROR } = require('../lib/messages')
- const debug = debugLib('lint-staged:bin')
- cmdline
- .version(pkg.version)
- .option('--allow-empty', 'allow empty commits when tasks revert all staged changes', false)
- .option('-c, --config [path]', 'path to configuration file, or - to read from stdin')
- .option('-d, --debug', 'print additional debug information', false)
- .option('--no-stash', 'disable the backup stash, and do not revert in case of errors', false)
- .option(
- '-p, --concurrent <parallel tasks>',
- 'the number of tasks to run concurrently, or false to run tasks serially',
- true
- )
- .option('-q, --quiet', 'disable lint-staged’s own console output', false)
- .option('-r, --relative', 'pass relative filepaths to tasks', false)
- .option('-x, --shell', 'skip parsing of tasks for better shell support', false)
- .option(
- '-v, --verbose',
- 'show task output even when tasks succeed; by default only failed output is shown',
- false
- )
- .parse(process.argv)
- if (cmdline.debug) {
- debugLib.enable('lint-staged*')
- }
- debug('Running `lint-staged@%s`', pkg.version)
- /**
- * Get the maximum length of a command-line argument string based on current platform
- *
- * https://serverfault.com/questions/69430/what-is-the-maximum-length-of-a-command-line-in-mac-os-x
- * https://support.microsoft.com/en-us/help/830473/command-prompt-cmd-exe-command-line-string-limitation
- * https://unix.stackexchange.com/a/120652
- */
- const getMaxArgLength = () => {
- switch (process.platform) {
- case 'darwin':
- return 262144
- case 'win32':
- return 8191
- default:
- return 131072
- }
- }
- const options = {
- allowEmpty: !!cmdline.allowEmpty,
- concurrent: cmdline.concurrent,
- configPath: cmdline.config,
- debug: !!cmdline.debug,
- maxArgLength: getMaxArgLength() / 2,
- stash: !!cmdline.stash, // commander inverts `no-<x>` flags to `!x`
- quiet: !!cmdline.quiet,
- relative: !!cmdline.relative,
- shell: !!cmdline.shell,
- verbose: !!cmdline.verbose,
- }
- debug('Options parsed from command-line:', options)
- if (options.configPath === '-') {
- delete options.configPath
- try {
- options.config = fs.readFileSync(process.stdin.fd, 'utf8').toString().trim()
- } catch {
- console.error(CONFIG_STDIN_ERROR)
- process.exit(1)
- }
- try {
- options.config = JSON.parse(options.config)
- } catch {
- // Let config parsing complain if it's not JSON
- }
- }
- lintStaged(options)
- .then((passed) => {
- process.exitCode = passed ? 0 : 1
- })
- .catch(() => {
- process.exitCode = 1
- })
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