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spawn-wrap

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spawn-wrap

Wrap all spawned Node.js child processes by adding environs and arguments ahead of the main JavaScript file argument.

  • 2.0.0
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Weekly downloads
4.8M
decreased by-17.3%
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3
Weekly downloads
 
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What is spawn-wrap?

The spawn-wrap npm package is used to wrap child_process.spawn calls, allowing for modifications to the environment, arguments, and executable used in child processes. This is particularly useful for instrumenting child processes or modifying their behavior in a consistent way across a project.

What are spawn-wrap's main functionalities?

Environment Variable Modification

This feature allows you to prepend command line options to node processes, enabling features like harmony in all spawned child processes.

const wrap = require('spawn-wrap');
wrap(['--harmony']);
require('child_process').spawn('node', ['script.js']);

Executable Wrapping

This feature allows you to specify a custom executable (like a different version of Node.js) to be used for all child processes.

const wrap = require('spawn-wrap');
const wrappers = ['/path/to/custom/node'];
wrap(wrappers);
require('child_process').spawn('node', ['script.js']);

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Package last updated on 20 Dec 2019

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