1 | import ReactDOM from 'react-dom';
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2 | import ReactDOMServer from 'react-dom/server';
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3 | import React from 'react';
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4 | import { runtime } from './contexts';
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5 |
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6 | let safeStringifyRegExScript = new RegExp('<\/script', 'g');
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7 | let safeStringifyRegExComment = new RegExp('<!--', 'g');
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8 |
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9 | function safeStringify(obj) {
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10 | return JSON.stringify(obj).replace(safeStringifyRegExScript, '<\\/script').replace(safeStringifyRegExComment, '<\\!--');
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11 | }
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12 |
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13 | export class BaseController {
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14 | constructor(req, res) {
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15 | this._viewInstance = null;
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16 | this.res = res;
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17 | this.req = req;
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18 | }
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19 |
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20 | get view() {
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21 | throw 'NotImplemented. The \'view\' property is not implemented!';
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22 | }
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23 |
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24 | get viewInstance() {
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25 | return this._viewInstance;
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26 | }
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27 |
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28 | get isViewRendered() {
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29 | return this.viewInstance !== null;
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30 | }
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31 |
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32 | static get loginRequired() {
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33 | return true;
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34 | }
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35 |
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36 | getViewForRendering() {
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37 | return this.view;
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38 | }
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39 |
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40 | reconcileWithServer() {
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41 | if (runtime.isClient && window.VIEW_PROPS) {
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42 | this.render(window.VIEW_PROPS);
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43 | window.VIEW_PROPS = null;
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44 | }
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45 | }
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46 |
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47 | render(context = {}) {
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48 | var View = this.getViewForRendering();
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49 | if (runtime.isClient) {
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50 | this._viewInstance = ReactDOM.render(<View {...context} delegate={this} />, runtime.renderContainerObject);
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51 | } else {
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52 | //render react component
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53 | var html = runtime.renderContainerObject.replace(runtime.serverRenderContainerPattern, (match, pre, inside, post) => {
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54 | return pre + ReactDOMServer.renderToString(<View {...context} delegate={this} />) + post;
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55 | });
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56 | //render react component props
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57 | var propScript = ReactDOMServer.renderToStaticMarkup(React.DOM.script({dangerouslySetInnerHTML: {__html:
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58 | `var VIEW_PROPS = ${safeStringify(context)};`
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59 | }}));
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60 | html = html.replace('<head>', `<head>${propScript}`);
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61 | //output to http response
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62 | this.res.writeHead(200, {'Content-Type': 'text/html'});
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63 | this.res.end(html);
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64 | }
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65 | }
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66 | }
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67 |
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68 | export class BaseLayoutController extends BaseController {
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69 | // in base layout view
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70 | // layout view correspond to BaseController view
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71 | // and view correspond to the view to set in content property
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72 | constructor(req, res) {
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73 | super(req, res);
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74 | }
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75 |
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76 | get layoutView() {
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77 | throw 'NotImplemented. The \'layoutView\' property is not implemented!';
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78 | }
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79 |
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80 | getViewForRendering() {
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81 | return this.layoutView;
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82 | }
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83 |
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84 | reconcileWithServer() {
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85 | if (runtime.isClient && window.VIEW_PROPS) {
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86 | //re-sync server rendered props (content is not a serializable prop ... so is not available in serialized VIEW_PROPS)
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87 | window.VIEW_PROPS.content = this.view;
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88 | super.render(window.VIEW_PROPS);
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89 | window.VIEW_PROPS = null;
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90 | }
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91 | }
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92 |
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93 | render(context = {}) {
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94 | var mergedContext = {};
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95 | mergedContext.contentProps = context;
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96 | mergedContext.content = this.view;
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97 | super.render(mergedContext);
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98 | }
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99 | }
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