File size: 3,794 Bytes
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const PackageJson = require('@npmcli/package-json')
const BaseCommand = require('../base-cmd.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> ...]',
'fix',
]
static params = [
'force',
'json',
'workspace',
'workspaces',
]
static workspaces = true
static ignoreImplicitWorkspace = false
async exec (args, { path = this.npm.localPrefix, workspace } = {}) {
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, { path, workspace })
case 'set':
return this.set(_args, { path, workspace }).then(p => p.save())
case 'delete':
return this.delete(_args, { path, workspace }).then(p => p.save())
case 'fix':
return PackageJson.fix(path).then(p => p.save())
default:
throw this.usageError()
}
}
async execWorkspaces (args) {
await this.setWorkspaces()
for (const [workspace, path] of this.workspaces.entries()) {
await this.exec(args, { path, workspace })
}
}
async get (args, { path, workspace }) {
this.npm.config.set('json', true)
const pkgJson = await PackageJson.load(path)
let result = pkgJson.content
if (args.length) {
result = new Queryable(result).query(args)
// in case there's only a single argument and a single result from the query just prints that one element to stdout.
// TODO(BREAKING_CHANGE): much like other places where we unwrap single item arrays this should go away.
// it makes the behavior unknown for users who don't already know the shape of the data.
if (Object.keys(result).length === 1 && args.length === 1) {
result = result[args]
}
}
// The display layer is responsible for calling JSON.stringify on the result
// TODO: https://github.com/npm/cli/issues/5508 a raw mode has been requested similar to jq -r.
// If that was added then this method should no longer set `json:true` all the time
output.buffer(workspace ? { [workspace]: result } : result)
}
async set (args, { path }) {
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(path)
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 })
}
return pkgJson.update(q.toJSON())
}
async delete (args, { path }) {
const setError = () =>
this.usageError('npm pkg delete expects key args.')
if (!args.length) {
throw setError()
}
const pkgJson = await PackageJson.load(path)
const q = new Queryable(pkgJson.content)
for (const key of args) {
if (!key) {
throw setError()
}
q.delete(key)
}
return pkgJson.update(q.toJSON())
}
}
module.exports = Pkg
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