Security News
Supply Chain Attack Detected in Solana's web3.js Library
A supply chain attack has been detected in versions 1.95.6 and 1.95.7 of the popular @solana/web3.js library.
tinyspawn is a minimalistic child_process wrapper with following features:
$ npm install tinyspawn --save
The child_process in Node.js is great, but I always found the API confusing and hard to remember.
That's why I created tinyspawn. It's recommended to bind it to $
:
const $ = require('tinyspawn')
The first argument is the command (with arguments) to be executed:
const { stdout } = await $(`node -e 'console.log("hello world")'`)
console.log(stdout) // => 'hello world'
The second argument is any of the spawn#options:
const { stdout } = $(`node -e 'console.log("hello world")'`, {
shell: true
})
When you execute a command, it returns a ChildProcess instance:
const {
signalCode,
exitCode,
killed,
spawnfile,
spawnargs,
pid,
stdin,
stdout,
stderr,
stdin
} = await $('date')
Since tinyspawn returns a ChildProcess instance, you can use it for interacting with other Node.js streams:
const subprocess = $('echo 1234567890')
subprocess.stdout.pipe(process.stdout) // => 1234567890
/* You can also continue interacting with it as a promise */
const { stdout } = await subprocess
console.log(stdout) // => 1234567890
A CLI program commonly supports a way to return a JSON that makes it easy to connect with other programs.
tinyspawn has been designed to be easy to work with CLI programs, making it possible to call $.json
or pass { json: true }
as an option:
const { stdout } = await $.json(`curl https://geolocation.microlink.io`)
Although you can pass spawn#options as a second argument, sometimes defining something as default behavior is convenient.
tinyspawn exports the method $.extend
to create a tinyspawn with spawn#options defaults set:
const $ = require('tinyspawn').extend({
timeout: 5000,
killSignal: 'SIGKILL'
})
When working with CLI programs and something wrong happens, it's crucial to present the error as readable as possible.
tinyspawn prints meaningful errors to help you understa dn what happened:
const error = await $(`node -e 'require("notfound")'`).catch(error => error)
console.error(error)
// The command spawned as:
//
// /Users/kikobeats/.n/bin/node -e 'require("notfound")'
//
// exited with `{ code: 1 }` and the following trace:
//
// node:internal/modules/cjs/loader:1147
// throw err;
// ^
//
// Error: Cannot find module 'notfound'
// Require stack:
// - /Users/kikobeats/Downloads/tinyspawn/[eval]
// at Module._resolveFilename (node:internal/modules/cjs/loader:1144:15)
// at Module._load (node:internal/modules/cjs/loader:985:27)
// at Module.require (node:internal/modules/cjs/loader:1235:19)
// at require (node:internal/modules/helpers:176:18)
// at [eval]:1:1
// at runScriptInThisContext (node:internal/vm:144:10)
// at node:internal/process/execution:109:14
// at [eval]-wrapper:6:24
// at runScript (node:internal/process/execution:92:62)
// at evalScript (node:internal/process/execution:123:10) {
// code: 'MODULE_NOT_FOUND',
// requireStack: [ '/Users/kikobeats/Downloads/tinyspawn/[eval]' ]
// }
// Node.js v20.10.0
The ChildProcess instance properties are also available as part of the error:
const { stdout: node } = await $('which node')
const error = await $(`${node} -e 'require("notfound")'`).catch(error => error)
const {
signalCode,
exitCode,
killed,
spawnfile,
spawnargs,
pid,
stdin,
stdout,
stderr,
stdin
} = error
tinyspawn © microlink.io, released under the MIT License.
Authored and maintained by Kiko Beats with help from contributors.
microlink.io · GitHub microlink.io · Twitter @microlinkhq
FAQs
tinyspawn is a minimalistic wrapper around child_process
The npm package tinyspawn receives a total of 25,819 weekly downloads. As such, tinyspawn popularity was classified as popular.
We found that tinyspawn demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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