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Load in engines for `transformers` asyncronously
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README.md

Build Status

load-engine

Load in engines for transformers asyncronously. This can also be used to load other npm modules.

Usage

var load = require('load-engine');

load(['marked', 'supermarked', 'markdown-js', 'markdown'], function (err, res) {
  if (err) throw err;
  assert(Array.isArray(res));
  assert(res.length === 1);
  assert(res[0] === require('marked'));
});

Results in

You must install one of the following:
  1) "marked"
  2) "supermarked"
  3) "markdown-js"
  4) "markdown"
type the number of the module to install or press enter to cancel: 

And the assertion passes if the user types 1.

load([['foo', 'bar']], function (err, res) {
  if (err) throw err;
  assert(Array.isArray(res));
  assert(res.length === 2);
  assert(res[0] === require('foo'));
  assert(res[1] === require('bar'));
});

Results in

Do you wish to install ["foo","bar"]? (yes)

And the assertions pass if the user presses enter, types y, types ye or types yes.

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