module-resolver

Asynchronous require.resolve() implementation

npm install module-resolver
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Node Module Resolver

Asynchronous implementation of the node require.resolve() algorithm except you can pass in the file to compute paths relatively to along with your own require.paths without updating the global copy (which doesn't even work in node >=0.5).

methods

var resolve = require('node-module-resolver');

resolve.async(pkg, opts, callback)

Asynchronously search for the package/filename string pkg according to the require.resolve() algorithm for X=pkg and Y=opts.basedir. Callback is fired with the located module or without arguments if nothing is found.

Default values for opts

{
    paths : [],
    basedir : __dirname,
    extensions : [ '.js' ],
    readFileSync : fs.readFileSync,
    isFile : function (file) {
        return path.existSync(file) && fs.statSync(file).isFile()
    }
}

Optionally you can specify a opts.packageFilter function to map the contents of JSON.parse()'d package.json files.

If nothing is found, all of the directories in opts.paths are searched.

resolve.isCore(pkg)

Return whether a package is in core.

Thanks

To the Node team for documenting what their mad-cap system is, and James Halliday for the synchronous implementation Node-Module-Resolver is forked from.

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