vivid-builder/lib/template.js

Simple JavaScript packages builder

// Generated by CoffeeScript 1.3.3
var Template, events, fs, path,
  __hasProp = {}.hasOwnProperty,
  __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };

fs = require('fs');

path = require('path');

events = require('events');

Template = (function(_super) {
  var fileExp, headExp, includeExp, position;

  __extends(Template, _super);

  includeExp = null;

  fileExp = /\(\s*[\'\"]([.\/\\\w\s]+)[\'\"]\s*\)/i;

  headExp = /(^|[^\\w])/;

  position = 0;

  Template.prototype.output = '';

  Template.prototype.deps = {};

  function Template(file, token, deprecated) {
    var _this = this;
    this.file = file;
    this.token = token;
    this.deprecated = deprecated != null ? deprecated : false;
    if (deprecated) {
      includeExp = /\/\/\<\!include\s+file\="[^"]*"\-\-\>/gi;
      fileExp = /file="([^"]*)"/i;
      headExp = /(^)/;
    } else {
      includeExp = new RegExp("(^|[^\\w])" + (this.token || 'include') + "\\s*\\(\\s*[\\'\\\"][.\\/\\\\\\w\\s]+[\\'\\\"]\\s*\\);?", 'gi');
    }
    fs.readFile(this.file, 'utf8', function(err, rawContent) {
      _this.rawContent = rawContent;
      if (err) {
        throw err;
      } else {
        _this.basedir = path.dirname(_this.file);
        _this.parse();
        return _this.compile();
      }
    });
  }

  Template.prototype.parse = function() {
    var inc, matches;
    matches = this.rawContent.match(includeExp);
    this.includes = matches ? (function() {
      var _i, _len, _results;
      _results = [];
      for (_i = 0, _len = matches.length; _i < _len; _i++) {
        inc = matches[_i];
        _results.push(inc.match(fileExp)[1]);
      }
      return _results;
    })() : [];
    return this;
  };

  Template.prototype.dep = function(file, cb) {
    var fullPath, tpl,
      _this = this;
    fullPath = path.join(this.basedir, file);
    tpl = new Template(fullPath, this.token, this.deprecated);
    return tpl.on('compiled', function() {
      _this.deps[file] = tpl.output;
      if (++position < _this.includes.length) {
        return _this.dep(_this.includes[position], cb);
      } else {
        return cb();
      }
    });
  };

  Template.prototype.compile = function() {
    var _this = this;
    if (this.includes.length) {
      this.dep(this.includes[position], function() {
        _this.output = _this.rawContent.replace(includeExp, function(include, offset, all) {
          var file;
          file = include.match(fileExp)[1];
          return include.match(headExp)[0] + _this.deps[file];
        });
        return _this.emit('compiled');
      });
    } else {
      this.output = this.rawContent;
      this.emit('compiled');
    }
    return this;
  };

  return Template;

})(events.EventEmitter);

module.exports = Template;