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wtf is cross-spawn-promise?

malept/cross-spawn-promise — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2023-03-03

★ 2TypeScriptAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

A Node.js library that runs external programs and returns a promise, giving cleaner async/await code and better error messages.

Mindmap

mindmap
  root((repo))
    What it does
      Spawns external programs
      Returns a promise
      Improves error messages
    Tech stack
      TypeScript
      Node.js
    Use cases
      Build CLI tools
      Automate scripts
      Run build systems
    Audience
      Node.js developers
      Tool builders
    Benefits
      Async await support
      Consistent error handling
      Includes program output

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Run an external command-line tool from a Node.js script using async/await.

REASON 2

Build a CLI tool that invokes compilers, test runners, or system utilities with clean error handling.

REASON 3

Get detailed error messages, including program output, when a spawned process fails.

REASON 4

Add a custom logging function to trace what spawned processes are doing.

What's in the stack?

TypeScriptNode.js

How it stacks up

malept/cross-spawn-promiseanuj-kumary/your-github-contributionsarashthr/hugo-flow
Stars222
LanguageTypeScriptTypeScriptTypeScript
Last pushed2023-03-032026-06-07—
MaintenanceDormantMaintained—
Setup difficultyeasymoderatemoderate
Complexity2/52/53/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Yoink these prompts

Prompt 1
Show me how to use cross-spawn-promise to run a shell command and handle errors with async/await.
Prompt 2
Help me replace Node's built-in child_process calls in my CLI tool with this library.
Prompt 3
Write an example that uses the logging callback to print output from a spawned process.
Prompt 4
Explain how this library formats error messages when a spawned command fails or is missing.

Frequently asked questions

wtf is cross-spawn-promise?

A Node.js library that runs external programs and returns a promise, giving cleaner async/await code and better error messages.

What language is cross-spawn-promise written in?

Mainly TypeScript. The stack also includes TypeScript, Node.js.

Is cross-spawn-promise actively maintained?

Dormant — no commits in 2+ years (last push 2023-03-03).

How hard is cross-spawn-promise to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is cross-spawn-promise for?

Mainly developer.

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