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module.exports = runScript
var lifecycle = require('./utils/lifecycle.js')
var npm = require('./npm.js')
var path = require('path')
var readJson = require('read-package-json')
var log = require('npmlog')
var chain = require('slide').chain
var usage = require('./utils/usage')
runScript.usage = usage(
'run-script',
'npm run-script <command> [-- <args>...]'
)
runScript.completion = function (opts, cb) {
// see if there's already a package specified.
var argv = opts.conf.argv.remain
if (argv.length >= 4) return cb()
if (argv.length === 3) {
// either specified a script locally, in which case, done,
// or a package, in which case, complete against its scripts
var json = path.join(npm.localPrefix, 'package.json')
return readJson(json, function (er, d) {
if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)
if (er) d = {}
var scripts = Object.keys(d.scripts || {})
console.error('local scripts', scripts)
if (scripts.indexOf(argv[2]) !== -1) return cb()
// ok, try to find out which package it was, then
var pref = npm.config.get('global') ? npm.config.get('prefix')
: npm.localPrefix
var pkgDir = path.resolve(pref, 'node_modules', argv[2], 'package.json')
readJson(pkgDir, function (er, d) {
if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)
if (er) d = {}
var scripts = Object.keys(d.scripts || {})
return cb(null, scripts)
})
})
}
readJson(path.join(npm.localPrefix, 'package.json'), function (er, d) {
if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)
d = d || {}
cb(null, Object.keys(d.scripts || {}))
})
}
function runScript (args, cb) {
if (!args.length) return list(cb)
var pkgdir = npm.localPrefix
var cmd = args.shift()
readJson(path.resolve(pkgdir, 'package.json'), function (er, d) {
if (er) return cb(er)
run(d, pkgdir, cmd, args, cb)
})
}
function list (cb) {
var json = path.join(npm.localPrefix, 'package.json')
var cmdList = [
'publish',
'install',
'uninstall',
'test',
'stop',
'start',
'restart',
'version'
].reduce(function (l, p) {
return l.concat(['pre' + p, p, 'post' + p])
}, [])
return readJson(json, function (er, d) {
if (er && er.code !== 'ENOENT' && er.code !== 'ENOTDIR') return cb(er)
if (er) d = {}
var allScripts = Object.keys(d.scripts || {})
var scripts = []
var runScripts = []
allScripts.forEach(function (script) {
if (cmdList.indexOf(script) !== -1) scripts.push(script)
else runScripts.push(script)
})
if (log.level === 'silent') {
return cb(null, allScripts)
}
if (npm.config.get('json')) {
console.log(JSON.stringify(d.scripts || {}, null, 2))
return cb(null, allScripts)
}
if (npm.config.get('parseable')) {
allScripts.forEach(function (script) {
console.log(script + ':' + d.scripts[script])
})
return cb(null, allScripts)
}
var s = '\n '
var prefix = ' '
if (scripts.length) {
console.log('Lifecycle scripts included in %s:', d.name)
}
scripts.forEach(function (script) {
console.log(prefix + script + s + d.scripts[script])
})
if (!scripts.length && runScripts.length) {
console.log('Scripts available in %s via `npm run-script`:', d.name)
} else if (runScripts.length) {
console.log('\navailable via `npm run-script`:')
}
runScripts.forEach(function (script) {
console.log(prefix + script + s + d.scripts[script])
})
return cb(null, allScripts)
})
}
function run (pkg, wd, cmd, args, cb) {
if (!pkg.scripts) pkg.scripts = {}
var cmds
if (cmd === 'restart' && !pkg.scripts.restart) {
cmds = [
'prestop', 'stop', 'poststop',
'restart',
'prestart', 'start', 'poststart'
]
} else {
if (!pkg.scripts[cmd]) {
if (cmd === 'test') {
pkg.scripts.test = 'echo \'Error: no test specified\''
} else if (cmd === 'env') {
if (process.platform === 'win32') {
log.verbose('run-script using default platform env: SET (Windows)')
pkg.scripts[cmd] = 'SET'
} else {
log.verbose('run-script using default platform env: env (Unix)')
pkg.scripts[cmd] = 'env'
}
} else if (npm.config.get('if-present')) {
return cb(null)
} else {
return cb(new Error('missing script: ' + cmd))
}
}
cmds = [cmd]
}
if (!cmd.match(/^(pre|post)/)) {
cmds = ['pre' + cmd].concat(cmds).concat('post' + cmd)
}
log.verbose('run-script', cmds)
chain(cmds.map(function (c) {
// pass cli arguments after -- to script.
if (pkg.scripts[c] && c === cmd) {
pkg.scripts[c] = pkg.scripts[c] + joinArgs(args)
}
// when running scripts explicitly, assume that they're trusted.
return [lifecycle, pkg, c, wd, true]
}), cb)
}
// join arguments after '--' and pass them to script,
// handle special characters such as ', ", ' '.
function joinArgs (args) {
var joinedArgs = ''
args.forEach(function (arg) {
joinedArgs += ' "' + arg.replace(/"/g, '\\"') + '"'
})
return joinedArgs
}
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