Current File : //lib/node_modules/npm/bin/npx-cli.js
#!/usr/bin/env node
const cli = require('../lib/cli.js')
// run the resulting command as `npm exec ...args`
process.argv[1] = require.resolve('./npm-cli.js')
process.argv.splice(2, 0, 'exec')
// TODO: remove the affordances for removed items in npm v9
const removedSwitches = new Set([
'always-spawn',
'ignore-existing',
'shell-auto-fallback',
])
const removedOpts = new Set([
'npm',
'node-arg',
'n',
])
const removed = new Set([
...removedSwitches,
...removedOpts,
])
const { definitions, shorthands } = require('../lib/utils/config/index.js')
const npmSwitches = Object.entries(definitions)
.filter(([key, { type }]) => type === Boolean ||
(Array.isArray(type) && type.includes(Boolean)))
.map(([key]) => key)
// things that don't take a value
const switches = new Set([
...removedSwitches,
...npmSwitches,
'no-install',
'quiet',
'q',
'version',
'v',
'help',
'h',
])
// things that do take a value
const opts = new Set([
...removedOpts,
'package',
'p',
'cache',
'userconfig',
'call',
'c',
'shell',
'npm',
'node-arg',
'n',
])
// break out of loop when we find a positional argument or --
// If we find a positional arg, we shove -- in front of it, and
// let the normal npm cli handle the rest.
let i
let sawRemovedFlags = false
for (i = 3; i < process.argv.length; i++) {
const arg = process.argv[i]
if (arg === '--') {
break
} else if (/^-/.test(arg)) {
const [key, ...v] = arg.replace(/^-+/, '').split('=')
switch (key) {
case 'p':
process.argv[i] = ['--package', ...v].join('=')
break
case 'shell':
process.argv[i] = ['--script-shell', ...v].join('=')
break
case 'no-install':
process.argv[i] = '--yes=false'
break
default:
// resolve shorthands and run again
if (shorthands[key] && !removed.has(key)) {
const a = [...shorthands[key]]
if (v.length) {
a.push(v.join('='))
}
process.argv.splice(i, 1, ...a)
i--
continue
}
break
}
if (removed.has(key)) {
console.error(`npx: the --${key} argument has been removed.`)
sawRemovedFlags = true
process.argv.splice(i, 1)
i--
}
if (v.length === 0 && !switches.has(key) &&
(opts.has(key) || !/^-/.test(process.argv[i + 1]))) {
// value will be next argument, skip over it.
if (removed.has(key)) {
// also remove the value for the cut key.
process.argv.splice(i + 1, 1)
} else {
i++
}
}
} else {
// found a positional arg, put -- in front of it, and we're done
process.argv.splice(i, 0, '--')
break
}
}
if (sawRemovedFlags) {
console.error('See `npm help exec` for more information')
}
cli(process)
Mini Shell