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.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