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const PackageJson = require('@npmcli/package-json')
const BaseCommand = require('../base-command.js')
const Queryable = require('../utils/queryable.js')
class Pkg extends BaseCommand {
static description = 'Manages your package.json'
static name = 'pkg'
static usage = [
'set <key>=<value> [<key>=<value> ...]',
'get [<key> [<key> ...]]',
'delete <key> [<key> ...]',
'set [<array>[<index>].<key>=<value> ...]',
'set [<array>[].<key>=<value> ...]',
]
static params = [
'force',
'json',
'workspace',
'workspaces',
]
static ignoreImplicitWorkspace = false
async exec (args, { prefix } = {}) {
if (!prefix) {
this.prefix = this.npm.localPrefix
} else {
this.prefix = prefix
}
if (this.npm.config.get('global')) {
throw Object.assign(
new Error(`There's no package.json file to manage on global mode`),
{ code: 'EPKGGLOBAL' }
)
}
const [cmd, ..._args] = args
switch (cmd) {
case 'get':
return this.get(_args)
case 'set':
return this.set(_args)
case 'delete':
return this.delete(_args)
default:
throw this.usageError()
}
}
async execWorkspaces (args, filters) {
await this.setWorkspaces(filters)
const result = {}
for (const [workspaceName, workspacePath] of this.workspaces.entries()) {
this.prefix = workspacePath
result[workspaceName] = await this.exec(args, { prefix: workspacePath })
}
// when running in workspaces names, make sure to key by workspace
// name the results of each value retrieved in each ws
this.npm.output(JSON.stringify(result, null, 2))
}
async get (args) {
const pkgJson = await PackageJson.load(this.prefix)
const { content } = pkgJson
let result = !args.length && content
if (!result) {
const q = new Queryable(content)
result = q.query(args)
// in case there's only a single result from the query
// just prints that one element to stdout
if (Object.keys(result).length === 1) {
result = result[args]
}
}
// only outputs if not running with workspaces config,
// in case you're retrieving info for workspaces the pkgWorkspaces
// will handle the output to make sure it get keyed by ws name
if (!this.workspaces) {
this.npm.output(JSON.stringify(result, null, 2))
}
return result
}
async set (args) {
const setError = () =>
this.usageError('npm pkg set expects a key=value pair of args.')
if (!args.length) {
throw setError()
}
const force = this.npm.config.get('force')
const json = this.npm.config.get('json')
const pkgJson = await PackageJson.load(this.prefix)
const q = new Queryable(pkgJson.content)
for (const arg of args) {
const [key, ...rest] = arg.split('=')
const value = rest.join('=')
if (!key || !value) {
throw setError()
}
q.set(key, json ? JSON.parse(value) : value, { force })
}
pkgJson.update(q.toJSON())
await pkgJson.save()
}
async delete (args) {
const setError = () =>
this.usageError('npm pkg delete expects key args.')
if (!args.length) {
throw setError()
}
const pkgJson = await PackageJson.load(this.prefix)
const q = new Queryable(pkgJson.content)
for (const key of args) {
if (!key) {
throw setError()
}
q.delete(key)
}
pkgJson.update(q.toJSON())
await pkgJson.save()
}
}
module.exports = Pkg
|
