Code coverage report for src/email-template.js

Statements: 81.48% (110 / 135)      Branches: 57.69% (30 / 52)      Functions: 100% (26 / 26)      Lines: 97.83% (90 / 92)      Ignored: none     

All files » src/ » email-template.js
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'use strict';
 
Object.defineProperty(exports, '__esModule', {
  value: true
});
 
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; Eif ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
 
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
 
function _slicedToArray(arr, i) { Eif (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i['return']) _i['return'](); } finally { if (_d) throw _e; } } return _arr; } else { throw new TypeError('Invalid attempt to destructure non-iterable instance'); } }
 
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
 
var _bluebird = require('bluebird');
 
var _bluebird2 = _interopRequireDefault(_bluebird);
 
var _debug = require('debug');
 
var _debug2 = _interopRequireDefault(_debug);
 
var _path = require('path');
 
var _juice = require('juice');
 
var _juice2 = _interopRequireDefault(_juice);
 
var _lodash = require('lodash');
 
var _util = require('./util');
 
var debug = (0, _debug2['default'])('email-templates:email-template');
 
var EmailTemplate = (function () {
  function EmailTemplate(path, options) {
    _classCallCheck(this, EmailTemplate);
 
    this.files = {};
    this.path = path;
    this.dirname = (0, _path.basename)(path);
    debug('Creating Email template for path %s', (0, _path.basename)(path));
  }
 
  _createClass(EmailTemplate, [{
    key: '_init',
    value: function _init() {
      var _this = this;
 
      Iif (this.isInited) return _bluebird2['default'].resolve();
 
      debug('Initializing templates');
      return (0, _util.ensureDirectory)(this.path).then(function () {
        return _this._loadTemplates();
      }).then(function () {
        _this.isInited = true;
        debug('Finished initializing templates');
      });
    }
  }, {
    key: '_loadTemplates',
    value: function _loadTemplates() {
      var _this2 = this;
 
      return _bluebird2['default'].map(['html', 'text', 'style'], function (type) {
        return (0, _util.readContents)(_this2.path, type);
      }).then(function (files) {
        var _files = _slicedToArray(files, 3);
 
        var html = _files[0];
        var text = _files[1];
        var style = _files[2];
 
        if (!html) {
          var err = new Error('HTML file not found or empty in path ' + _this2.dirname);
          err.code = 'ENOENT';
          throw err;
        }
        _this2.files.html = html;
        debug('Found HTML file %s in %s', (0, _path.basename)(html.filename), _this2.dirname);
 
        if (text) {
          debug('Found text %s file in %s', (0, _path.basename)(text.filename), _this2.dirname);
        }
        _this2.files.text = text;
 
        if (style) {
          debug('Found stylesheet %s in %s', (0, _path.basename)(style.filename), _this2.dirname);
        }
        _this2.files.style = style;
 
        debug('Finished loading template');
      });
    }
  }, {
    key: 'renderText',
    value: function renderText(locals, callback) {
      var _this3 = this;
 
      debug('Rendering text');
      return this._init().then(function () {
        if (!_this3.files.text) return null;
        return (0, _util.renderFile)(_this3.files.text, locals);
      }).tap(function () {
        return debug('Finished rendering text');
      }).nodeify(callback);
    }
  }, {
    key: 'renderHtml',
    value: function renderHtml(locals, callback) {
      var _this4 = this;
 
      debug('Rendering HTML');
      return this._init().then(function () {
        return _bluebird2['default'].all([(0, _util.renderFile)(_this4.files.html, locals), _this4._renderStyle(locals)]);
      }).then(function (results) {
        var _results = _slicedToArray(results, 2);
 
        var html = _results[0];
        var style = _results[1];
 
        if (!style) return html;
        var juiceOptions = {
          extraCss: style
        };
        if (locals.juiceOptions) {
          debug('Using juice options ', locals.juiceOptions);
          juiceOptions = locals.juiceOptions || {};
          juiceOptions.extraCss = (locals.juiceOptions.extraCss || '') + style;
        }
        return (0, _juice2['default'])(html, juiceOptions);
      }).tap(function () {
        return debug('Finished rendering HTML');
      }).nodeify(callback);
    }
  }, {
    key: 'render',
    value: function render(locals, callback) {
      Iif ((0, _lodash.isFunction)(locals)) {
        callback = locals;
        locals = {};
      }
      debug('Rendering template with locals %j', locals);
 
      return _bluebird2['default'].all([this.renderHtml(locals), this.renderText(locals)]).then(function (rendered) {
        var _rendered = _slicedToArray(rendered, 2);
 
        var html = _rendered[0];
        var text = _rendered[1];
 
        return {
          html: html, text: text
        };
      }).nodeify(callback);
    }
  }, {
    key: '_renderStyle',
    value: function _renderStyle(locals) {
      var _this5 = this;
 
      return new _bluebird2['default'](function (resolve) {
        // cached
        Iif (_this5.style !== undefined) return resolve(_this5.style);
 
        // no style
        if (!_this5.files.style) return resolve(null);
 
        debug('Rendering stylesheet');
        (0, _util.renderFile)(_this5.files.style, locals).then(function (style) {
          _this5.style = style;
          debug('Finished rendering stylesheet');
          resolve(style);
        });
      });
    }
  }]);
 
  return EmailTemplate;
})();
 
exports['default'] = EmailTemplate;
module.exports = exports['default'];
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P from 'bluebird'\nimport Debug from 'debug'\nimport {basename} from 'path'\nimport juice from 'juice'\nimport {isFunction} from 'lodash'\nimport {ensureDirectory, readContents, renderFile} from './util'\n\nconst debug = Debug('email-templates:email-template')\n\nexport default class EmailTemplate {\n  constructor (path, options) {\n    this.files = {}\n    this.path = path\n    this.dirname = basename(path)\n    debug('Creating Email template for path %s', basename(path))\n  }\n\n  _init () {\n    if (this.isInited) return P.resolve()\n\n    debug('Initializing templates')\n    return ensureDirectory(this.path)\n    .then(() => this._loadTemplates())\n    .then(() => {\n      this.isInited = true\n      debug('Finished initializing templates')\n    })\n  }\n\n  _loadTemplates () {\n    return P.map(['html', 'text', 'style'], (type) => {\n      return readContents(this.path, type)\n    })\n    .then((files) => {\n      let [html, text, style] = files\n      if (!html) {\n        let err = new Error(`HTML file not found or empty in path ${this.dirname}`)\n        err.code = 'ENOENT'\n        throw err\n      }\n      this.files.html = html\n      debug('Found HTML file %s in %s', basename(html.filename), this.dirname)\n\n      if (text) {\n        debug('Found text %s file in %s', basename(text.filename), this.dirname)\n      }\n      this.files.text = text\n\n      if (style) {\n        debug('Found stylesheet %s in %s', basename(style.filename), this.dirname)\n      }\n      this.files.style = style\n\n      debug('Finished loading template')\n    })\n  }\n\n  renderText (locals, callback) {\n    debug('Rendering text')\n    return this._init()\n    .then(() => {\n      if (!this.files.text) return null\n      return renderFile(this.files.text, locals)\n    })\n    .tap(() => debug('Finished rendering text'))\n    .nodeify(callback)\n  }\n\n  renderHtml (locals, callback) {\n    debug('Rendering HTML')\n    return this._init()\n    .then(() => {\n      return P.all([\n        renderFile(this.files.html, locals),\n        this._renderStyle(locals)\n      ])\n    })\n    .then((results) => {\n      let [html, style] = results\n      if (!style) return html\n      let juiceOptions = {\n        extraCss: style\n      }\n      if (locals.juiceOptions) {\n        debug('Using juice options ', locals.juiceOptions)\n        juiceOptions = locals.juiceOptions || {}\n        juiceOptions.extraCss = (locals.juiceOptions.extraCss || '') + style\n      }\n      return juice(html, juiceOptions)\n    })\n    .tap(() => debug('Finished rendering HTML'))\n    .nodeify(callback)\n  }\n\n  render (locals, callback) {\n    if (isFunction(locals)) {\n      callback = locals\n      locals = {}\n    }\n    debug('Rendering template with locals %j', locals)\n\n    return P.all([\n      this.renderHtml(locals),\n      this.renderText(locals)\n    ])\n    .then((rendered) => {\n      let [html, text] = rendered\n      return {\n        html, text\n      }\n    })\n    .nodeify(callback)\n  }\n\n  _renderStyle (locals) {\n    return new P((resolve) => {\n      // cached\n      if (this.style !== undefined) return resolve(this.style)\n\n      // no style\n      if (!this.files.style) return resolve(null)\n\n      debug('Rendering stylesheet')\n      renderFile(this.files.style, locals)\n      .then((style) => {\n        this.style = style\n        debug('Finished rendering stylesheet')\n        resolve(style)\n      })\n    })\n  }\n}\n"]}