Use a custom pub-sub system to handle receiving web socket responses
This commit is contained in:
Timothy Warren
parent
ab0161e0fa
commit
25230a35f7
13
package.json
13
package.json
@ -7,8 +7,9 @@
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"build": {
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"appId": "net.timshomepage.film-exif",
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"files": [
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"build/*",
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"node_modules/**/*"
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"build/**/*",
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"node_modules/**/*",
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"src/**/*"
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]
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},
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"dependencies": {
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@ -18,9 +19,8 @@
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"inferno": "^5.0.1",
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"inferno-bootstrap": "^5.0.0",
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"inferno-dev-utils": "^5.3.0",
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"inferno-redux": "^5.0.4",
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"inferno-router": "^5.0.1",
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"redux": "^4.0.0",
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"lodash": "^4.17.10",
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"sqlite3": "^4.0.0",
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"ws": "^5.1.1"
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},
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@ -54,7 +54,7 @@
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"raf": "^3.4.0"
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},
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"scripts": {
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"build": "parcel build index.html --out-dir build --detailed-report",
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"build": "parcel build index.html --out-dir build/app --detailed-report",
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"dist": "yarn run build && build",
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"electron-start": "node src/electron/wait-inferno",
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"electron": "electron .",
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@ -69,6 +69,9 @@
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},
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"homepage": "./",
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"main": "src/electron/index.js",
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"mac": {
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"category": "public.app-category.photography"
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},
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"jest": {
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"collectCoverageFrom": [
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"src/**/*.{js,jsx,mjs}"
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@ -11,7 +11,7 @@ require('raf').polyfill(global);
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// ignoring them. In the future, promise rejections that are not handled will
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// terminate the Node.js process with a non-zero exit code.
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process.on('unhandledRejection', err => {
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throw err;
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throw err;
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});
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const jest = require('jest');
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93
src/App.js
93
src/App.js
@ -1,7 +1,6 @@
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import * as _ from 'lodash';
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import { Component } from 'inferno';
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import { BrowserRouter, Link, NavLink } from 'inferno-router';
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import { Loader } from '//components';
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import {
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Container,
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Nav,
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@ -11,72 +10,26 @@ import {
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} from '//components/Bootstrap';
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import { Routes } from '//Routes';
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export class App extends Component {
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constructor (props) {
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super(props);
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this.state = {
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webSocketLoaded: false,
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};
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_.bindAll(this, [
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'onWebSocketOpen',
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'onWebSocketClose',
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]);
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}
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componentDidMount () {
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window.clientWS = new WebSocket('ws://localhost:65432/');
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window.clientWS.addEventListener('open', this.onWebSocketOpen);
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window.clientWS.addEventListener('message', console);
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window.clientWS.addEventListener('close', this.onWebSocketClose);
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console.info(this.context);
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}
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componentWillUnmount () {
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if (window.clientWS) {
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window.clientWS.close();
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}
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}
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onWebSocketOpen () {
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this.setState({
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webSocketLoaded: true
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});
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window.clientWS.onmessage = message => {
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console.info(JSON.parse(message.data));
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};
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}
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onWebSocketClose () {
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console.log('WebSocket closed');
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}
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render () {
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return (
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<BrowserRouter>
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<Container className="full-height" tag="bs-container">
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<Navbar className="static-top" color="dark" dark expandable="sm">
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<NavbarBrand to="/" tag={Link}>Film Exif</NavbarBrand>
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<Nav fill pills>
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<NavItem>
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<NavLink className="nav-link" to="/camera/list">Cameras</NavLink>
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</NavItem>
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<NavItem>
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<NavLink className="nav-link" to="/film/add">Films</NavLink>
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</NavItem>
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<NavItem>
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<NavLink className="nav-link" to="/oops">Oops</NavLink>
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</NavItem>
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</Nav>
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</Navbar>
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<Routes />
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<Loader title="Connecting to WebSocket" hidden={this.state.webSocketLoaded} />
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</Container>
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</BrowserRouter>
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);
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}
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}
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export const App = () => {
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return (
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<BrowserRouter>
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<Container className="full-height" tag="bs-container">
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<Navbar className="static-top" color="dark" dark expandable="sm">
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<NavbarBrand to="/" tag={Link}>Film Exif</NavbarBrand>
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<Nav fill pills>
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<NavItem>
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<NavLink className="nav-link" to="/camera/list">Cameras</NavLink>
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</NavItem>
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<NavItem>
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<NavLink className="nav-link" to="/film/add">Films</NavLink>
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</NavItem>
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<NavItem>
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<NavLink className="nav-link" to="/oops">Oops</NavLink>
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</NavItem>
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</Nav>
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</Navbar>
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<Routes />
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</Container>
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</BrowserRouter>
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);
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};
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@ -7,7 +7,7 @@ import {
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OopsView,
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} from '//views';
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export const Routes = (props) => (
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export const Routes = () => (
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<Switch>
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<Route exact path="/" component={HomeView} />
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<Route path="/camera" component={CameraAddView} />
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11
src/index.js
11
src/index.js
@ -3,11 +3,10 @@ import { Provider } from 'inferno-redux';
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import configureStore from './configureStore';
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import { App } from './App';
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import WSCache from './wsCache';
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const store = configureStore();
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const WEB_SOCKET = new WebSocket('ws://localhost:65432/');
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window.clientWS = WEB_SOCKET;
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window.wsCache = new WSCache(WEB_SOCKET);
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render((
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<Provider store={store}>
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<App />
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</Provider>
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), document.getElementById('app'));
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render(<App />, document.getElementById('app'));
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@ -1,2 +0,0 @@
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export * from '//reducers/receiveReducer';
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export * from '//reducers/sendReducer';
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@ -1,13 +0,0 @@
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/**
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* Reducer for received websocket messages
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*
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* @param {object} state
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* @param {object} action
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* @return {object} newState
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*/
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export const receiveReducer = (state = {}, action) => {
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switch (action.type) {
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default:
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return state;
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}
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};
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@ -1,13 +0,0 @@
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/**
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* Reducer for websocket-based actions
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*
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* @param {object} state
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* @param {object} action
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* @return {object} newState
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*/
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export const sendReducer = (state = {}, action) => {
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switch (action.type) {
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default:
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return state;
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}
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};
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@ -10,7 +10,6 @@ import {
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ModalHeader,
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Row,
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} from '//components/Bootstrap';
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import { JSONMessage } from '//helpers/web-socket';
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export class HomeView extends Component {
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constructor (props) {
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@ -40,22 +39,22 @@ export class HomeView extends Component {
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const newTransfer = { ...e.dataTransfer };
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console.info(newTransfer);
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window.clientWS.send(JSONMessage('dropped-files', draggedFiles));
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window.wsCache.sendJSON('dropped-files', draggedFiles);
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}
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showErrorDialog () {
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window.clientWS.send(JSONMessage(
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window.wsCache.sendJSON(
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'show-error-box',
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'Looks like there was a problem. (╥﹏╥) \n (╯°□°）╯︵ ┻━┻'
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));
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);
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}
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showOpenDialog () {
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window.clientWS.send(JSONMessage('show-open-dialog', {}));
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window.wsCache.sendJSON('show-open-dialog');
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}
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showSaveDialog () {
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window.clientWS.send(JSONMessage('show-save-dialog', {}));
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window.wsCache.sendJSON('show-save-dialog');
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}
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toggleErrorModal () {
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138
src/wsCache.js
Normal file
138
src/wsCache.js
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@ -0,0 +1,138 @@
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import * as _ from 'lodash'
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import { JSONMessage } from '//helpers/web-socket';
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export class wsCache {
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constructor (ws) {
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this.ws = ws
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this.ws.addEventListener('open', this.onWebSocketOpen);
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this.ws.addEventListener('message', this.onWebSocketMessage);
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this.ws.addEventListener('close', this.onWebSocketClose);
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// Websocket channels
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// These hold previous messages if they are needed later
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this.slots = {
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'default': [],
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}
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// Send messages
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this.sent = {
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'default': [],
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}
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// Subscribers
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this.listeners = {
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'default': [console.info],
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}
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_.bindAll(this, [
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'onWebSocketOpen',
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'onWebSocketClose',
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'onWebSocketMessage',
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'publish',
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'send',
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'sendJSON',
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'subscribe',
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])
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}
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onWebSocketOpen () {
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window.wsCache.publish('default', 'Websocket opened');
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}
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onWebSocketClose () {
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console.info('WebSocket closed');
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}
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/**
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* Callback for receiving a websocket message
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*
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* @param {mixed} message
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*/
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onWebSocketMessage (message) {
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try {
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const messageObject = JSON.parse(message.data);
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const [slot, data] = messageObject;
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window.wsCache.publish(slot, data);
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} catch (e) {
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window.wsCache.publish('default', message.data);
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}
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}
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/*
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* Send a recieved websocket message to the appropriate listener(s)
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*
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* @param {string} slot
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* @param {mixed} data
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* @return {void}
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*/
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publish (slot, data) {
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if (!this.listeners[slot] || data === undefined) {
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return;
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}
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this.slots[slot].push(data);
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this.listeners[slot].forEach(listener => {
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listener(data)
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});
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console.info(this.slots);
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}
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/**
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* Send a message to the websocket server
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*
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* @param {mixed} message
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*/
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send (message) {
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this.sent['default'].push(message);
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return this.ws.send(message);
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}
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/**
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* Send a JSON-encoded message to the websocket server
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*
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* @param {string} slot
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* @param {mixed} data
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*/
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sendJSON (slot, data = {}) {
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const sentSlots = Object.keys(this.sent);
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if (!sentSlots.includes(slot)) {
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this.sent[slot] = [];
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}
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this.sent[slot].push(data);
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return this.ws.send(JSONMessage(slot, data));
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}
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/**
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* Subscribe to a websocket message type
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*
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* Returns an object with a `unsubscribe` method
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*
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* @param {string} slot
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* @param {function} cb
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*/
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subscribe (slot, cb) {
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const slots = Object.keys(this.slots);
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// Create the slots and listener arrays
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if (!slots.includes(slot)) {
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this.slots[slot] = [];
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this.listeners[slot] = [];
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}
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const listenerIndex = this.listeners[slot].push(cb) -1;
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return {
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remove: () => {
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delete this.listeners[slot][listenerIndex];
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}
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}
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}
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}
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export default wsCache;
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22
yarn.lock
22
yarn.lock
@ -4030,13 +4030,6 @@ inferno-popper@^5.0.0:
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is-equal-shallow "^0.1.3"
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popper.js "^1.10.8"
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inferno-redux@^5.0.4:
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version "5.0.5"
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resolved "https://registry.npmjs.org/inferno-redux/-/inferno-redux-5.0.5.tgz#8d7eca55f324fd7d24c86ac7eaac89d7cd7f54ef"
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dependencies:
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hoist-non-inferno-statics "^1.1.3"
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inferno-shared "5.0.5"
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inferno-router@^5.0.1:
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version "5.0.5"
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resolved "https://registry.npmjs.org/inferno-router/-/inferno-router-5.0.5.tgz#3fb68a63e6fa4c9b27b7b87861b1c3fca67015b9"
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@ -5072,7 +5065,7 @@ lodash.uniq@^4.5.0:
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version "4.5.0"
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resolved "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
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lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0:
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lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.3.0:
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version "4.17.10"
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resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
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@ -5080,7 +5073,7 @@ longest@^1.0.1:
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version "1.0.1"
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resolved "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
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loose-envify@^1.0.0, loose-envify@^1.1.0, loose-envify@^1.2.0, loose-envify@^1.3.1:
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loose-envify@^1.0.0, loose-envify@^1.2.0, loose-envify@^1.3.1:
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version "1.3.1"
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resolved "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz#d1a8ad33fa9ce0e713d65fdd0ac8b748d478c848"
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dependencies:
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@ -6530,13 +6523,6 @@ reduce-function-call@^1.0.1:
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dependencies:
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balanced-match "^0.4.2"
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redux@^4.0.0:
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version "4.0.0"
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resolved "https://registry.npmjs.org/redux/-/redux-4.0.0.tgz#aa698a92b729315d22b34a0553d7e6533555cc03"
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dependencies:
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loose-envify "^1.1.0"
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symbol-observable "^1.2.0"
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regenerate-unicode-properties@^6.0.0:
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version "6.0.0"
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resolved "https://registry.npmjs.org/regenerate-unicode-properties/-/regenerate-unicode-properties-6.0.0.tgz#0fc26f9d5142289df4e177dec58f303d2d097c16"
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@ -7370,10 +7356,6 @@ symbol-observable@1.0.1:
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version "1.0.1"
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resolved "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.0.1.tgz#8340fc4702c3122df5d22288f88283f513d3fdd4"
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symbol-observable@^1.2.0:
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version "1.2.0"
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resolved "https://registry.npmjs.org/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
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symbol-tree@^3.2.2:
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version "3.2.2"
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resolved "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
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