gulp-ng-template/index.js

Precompile AngularJS templates to a JS file with $templateCache

'use strict';
/*
 * gulp-ng-template
 * https://github.com/teambition/gulp-ng-template
 *
 * Licensed under the MIT license.
 */

var util = require('util');
var path = require('path');
var gutil = require('gulp-util');
var through = require('through2');
var packageName = require('./package.json').name;

module.exports = function(options) {
  options = options || {};

  var joinedContent = '';
  var wrap = options.wrap !== false;
  var prefix = options.prefix || '';
  var filePath = options.filePath || 'templates.js';
  var standalone = options.standalone ? ', []' : '';
  var moduleName = options.moduleName || 'ngTemplates';
  var headerTpl = '\'use strict\';\n\nangular.module(\'<%= module %>\'<%= standalone %>).run([\'$templateCache\', function($templateCache) {\n\n';
  var contentTpl = '  $templateCache.put(\'<%= name %>\', \'<%= content %>\');\n\n';
  var joinedHeader = gutil.template(headerTpl, {module: moduleName, standalone: standalone, file: ''});

  return through.obj(function(file, encoding, next) {
    if (file.isNull()) return next();
    if (file.isStream()) return this.emit('error', new gutil.PluginError(packageName,  'Streaming not supported'));

    var name = prefix;
	  name += path.relative(file.base, file.path);
    joinedContent += gutil.template(contentTpl, {
      name: normalizeName(name),
      content: normalizeContent(file.contents),
      file: ''
    });
    next();
  }, function(callback) {
    var contents = joinedHeader + joinedContent + '}]);';
    if (wrap) contents = ';(function(){\n\n' + contents + '\n\n})();';
    this.push(new gutil.File({base: '',  path: filePath, contents: new Buffer(contents)}));
    callback();
  });
};

function normalizeName(name) {
  return name.replace(/\\/g, '/');
}

function normalizeContent(content) {
  return content.toString().replace(/\'/g, '\\\'').replace(/\r?\n/g, '\\n');
}