decomponentify/index.js

Use component.js build files with browserify.

var fs = require('fs');
var path = require('path');

var through = require('through');
var falafel = require('falafel');

module.exports = function (file) {
  if (!/\.js$/.test(file)) return through();
  var data = '';

  var tr = through(write, end);
  return tr;

  function write (buf) { data += buf; }
  function end () {
    var output;
    try { output = parse(); }
    catch (err) {
      this.emit('error', new Error(
        err.toString().replace('Error: ', '') + ' (' + file + ')')
      );
    }

    finish(output);
  }

  function finish (output) {
    tr.queue(String(output));
    tr.queue(null);
  }

  function parse () {
    var output = data;
    if (/^require\.modules \=/m.test(data) &&
        /^require\.helper \=/m.test(data) &&
        /^require\.latest \=/m.test(data)) {
      output = falafel(data, function (node) {
        if (node.type === 'Literal' && node.value === 'exports, module') {
          node.update('"exports, module, require"');
        }
        if (node.type === 'Identifier' && node.name === 'require') {
          node.update('_require');
        }
      });
      output += 'module.exports = _require;';
      output = output.replace('module.definition.call(this, module.exports = {}, module);',
          'module.definition.call(this, module.exports = {}, module, _require);')
    }
    return output;
  }
};