git.r.bdr.sh - rbdr/dotfiles/blob

   1 /*jshint node: true */
   2 var inserted,
   3     Module = require('module'),
   4     fs = require('fs'),
   5     existingExtFn = Module._extensions['.js'],
   6     amdefineRegExp = /amdefine\.js/;
   7
   8 inserted  = "if (typeof define !== 'function') {var define = require('amdefine')(module)}";
   9
  10 //From the node/lib/module.js source:
  11 function stripBOM(content) {
  12     // Remove byte order marker. This catches EF BB BF (the UTF-8 BOM)
  13     // because the buffer-to-string conversion in `fs.readFileSync()`
  14     // translates it to FEFF, the UTF-16 BOM.
  15     if (content.charCodeAt(0) === 0xFEFF) {
  16         content = content.slice(1);
  17     }
  18     return content;
  19 }
  20
  21 //Also adapted from the node/lib/module.js source:
  22 function intercept(module, filename) {
  23     var content = stripBOM(fs.readFileSync(filename, 'utf8'));
  24
  25     if (!amdefineRegExp.test(module.id)) {
  26         content = inserted + content;
  27     }
  28
  29     module._compile(content, filename);
  30 }
  31
  32 intercept._id = 'amdefine/intercept';
  33
  34 if (!existingExtFn._id || existingExtFn._id !== intercept._id) {
  35     Module._extensions['.js'] = intercept;
  36 }