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const { resolve } = require('path')
const log = require('npmlog')
const rpj = require('read-package-json-fast')
const PackageJson = require('@npmcli/package-json')
const BaseCommand = require('./base-command.js')
class SetScript extends BaseCommand {
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get description () {
return 'Set tasks in the scripts section of package.json'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get params () {
return ['workspace', 'workspaces', 'include-workspace-root']
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get name () {
return 'set-script'
}
/* istanbul ignore next - see test/lib/load-all-commands.js */
static get usage () {
return ['[<script>] [<command>]']
}
async completion (opts) {
const argv = opts.conf.argv.remain
if (argv.length === 2) {
// find the script name
const json = resolve(this.npm.localPrefix, 'package.json')
const { scripts = {} } = await rpj(json).catch(er => ({}))
return Object.keys(scripts)
}
}
validate (args) {
if (process.env.npm_lifecycle_event === 'postinstall')
throw new Error('Scripts can’t set from the postinstall script')
// Parse arguments
if (args.length !== 2)
throw new Error(`Expected 2 arguments: got ${args.length}`)
}
exec (args, cb) {
this.setScript(args).then(() => cb()).catch(cb)
}
async setScript (args) {
this.validate(args)
const warn = await this.doSetScript(this.npm.localPrefix, args[0], args[1])
if (warn)
log.warn('set-script', `Script "${args[0]}" was overwritten`)
}
execWorkspaces (args, filters, cb) {
this.setScriptWorkspaces(args, filters).then(() => cb()).catch(cb)
}
async setScriptWorkspaces (args, filters) {
this.validate(args)
await this.setWorkspaces(filters)
for (const [name, path] of this.workspaces) {
try {
const warn = await this.doSetScript(path, args[0], args[1])
if (warn) {
log.warn('set-script', `Script "${args[0]}" was overwritten`)
log.warn(` in workspace: ${name}`)
log.warn(` at location: ${path}`)
}
} catch (err) {
log.error('set-script', err.message)
log.error(` in workspace: ${name}`)
log.error(` at location: ${path}`)
process.exitCode = 1
}
}
}
// returns a Boolean that will be true if
// the requested script was overwritten
// and false if it was set as a new script
async doSetScript (path, name, value) {
let warn = false
const pkgJson = await PackageJson.load(path)
const { scripts } = pkgJson.content
const overwriting =
scripts
&& scripts[name]
&& scripts[name] !== value
if (overwriting)
warn = true
pkgJson.update({
scripts: {
...scripts,
[name]: value,
},
})
await pkgJson.save()
return warn
}
}
module.exports = SetScript
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