| 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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