requisite/lib/resolver.js

A cosmic javascript bundler.

// Generated by CoffeeScript 1.7.1
var NODE_PATHS, browserResolve, ext, extensions, os, path, resolve, _ref;

browserResolve = require('browser-resolve-sync');

os = require('os');

path = require('path');

extensions = (function() {
  var _results;
  _results = [];
  for (ext in require('./compilers')) {
    _results.push('.' + ext);
  }
  return _results;
})();

NODE_PATHS = ((_ref = process.env.NODE_PATH) != null ? _ref : '').split(':');

resolve = function(pkg, opts) {
  return browserResolve(pkg, {
    filename: path.join(opts.basedir, 'ENOENT'),
    extensions: opts.extensions
  });
};

module.exports = function() {
  var cache;
  cache = {};
  return function(requiredAs, options) {
    var absolutePath, basePath, cached, err, extension, nextPath, normalizedPath, paths, requireAs, requiredBy, resolveFrom, start, _ref1, _ref2, _ref3;
    if (options == null) {
      options = {};
    }
    if (options.cache != null) {
      cache[options.resolveFrom + requiredAs] = options;
      return;
    }
    paths = NODE_PATHS.concat((_ref1 = options.paths) != null ? _ref1 : []);
    if (options.extensions == null) {
      options.extensions = extensions;
    }
    if ((requiredBy = options.requiredBy) != null) {
      resolveFrom = path.dirname(requiredBy);
      basePath = options.basePath;
    } else {
      resolveFrom = (_ref2 = options.basePath) != null ? _ref2 : path.dirname(path.resolve(requiredAs));
      basePath = resolveFrom;
      requiredAs = './' + path.basename(requiredAs);
    }
    if ((cached = cache[resolveFrom + requiredAs]) != null) {
      return cached;
    }
    try {
      absolutePath = resolve(requiredAs, {
        basedir: resolveFrom,
        extensions: options.extensions
      });
    } catch (_error) {
      err = _error;
    }
    while ((absolutePath == null) && ((nextPath = paths.shift()) != null)) {
      try {
        absolutePath = resolve(requiredAs, {
          basedir: nextPath,
          extensions: options.extensions
        });
      } catch (_error) {
        err = _error;
      }
    }
    if (absolutePath == null) {
      throw err;
    }
    extension = path.extname(absolutePath);
    if ((absolutePath.indexOf(basePath)) !== -1) {
      normalizedPath = absolutePath.replace(basePath, '');
    } else {
      start = absolutePath.indexOf('node_modules');
      normalizedPath = absolutePath.substring(start, absolutePath.length);
    }
    if (os.platform() === 'win32') {
      normalizedPath = normalizedPath.replace(/^\\+/, '');
    } else {
      normalizedPath = normalizedPath.replace(/^\/+/, '');
    }
    requireAs = (_ref3 = options.requireAs) != null ? _ref3 : normalizedPath.replace(extension, '');
    return cache[resolveFrom + requiredAs] = {
      absolutePath: absolutePath,
      basePath: basePath,
      extension: extension,
      normalizedPath: normalizedPath,
      requireAs: requireAs,
      requiredAs: requiredAs,
      requiredBy: requiredBy
    };
  };
};

//# sourceMappingURL=resolver.map