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How to use onceListener method in storybook-root
Best JavaScript code snippet using storybook-root
eventEmitter.js
Source:eventEmitter.js 
1export default class EventEmitter {2 constructor() {3 4 let _listener = {};5 let _onceListener = {};6 Object.defineProperty(this, 'listener', {7 get: () => _listener8 });9 Object.defineProperty(this, 'onceListener', {10 get: () => _onceListener11 });12 }13 14 on(ev, fnObj) {15 fnObj = typeof fnObj == 'function' ? {fn: fnObj, scope: null} : fnObj;16 let tokens = ev.split(',')17 .map(this._subscribe(fnObj));18 if (tokens.length === 1) {19 return tokens[0];20 }21 return tokens;22 }23 once(ev, fnObj) {24 fnObj = typeof fnObj == 'function' ? {fn: fnObj, scope: null} : fnObj;25 let tokens = ev.split(',')26 .map(this._subscribeOnce(fnObj));27 if (tokens.length === 1) {28 return tokens[0];29 }30 return tokens;31 }32 33 _subscribe = (fnObj) => (ev) => {34 ev = ev.trim();35 if (!this.listener[ev]) {36 this.listener[ev] = {};37 }38 let token = '';39 do {40 token = (Math.random() + 1).toString(36).substring(2, 10);41 } while (!!this.listener[ev][token]);42 this.listener[ev][token] = fnObj;43 return token;44 }45 _subscribeOnce = (fnObj) => (ev) => {46 ev = ev.trim();47 if (!this.onceListener[ev]) {48 this.onceListener[ev] = {};49 }50 let token = '';51 do {52 token = (Math.random() + 1).toString(36).substring(2, 10);53 } while (!!this.onceListener[ev][token]);54 this.onceListener[ev][token] = fnObj;55 return token;56 }57 58 off(ev, token) {59 ev.split(',')60 .map(singleEv => singleEv.trim())61 .forEach(e => {62 if (this.listener[e] && this.listener[e][token]) {63 delete this.listener[e][token];64 }65 if (this.onceListener[e] && this.onceListener[e][token]) {66 delete this.onceListener[e][token];67 }68 });69 }70 71 emit() {72 let args = Array.prototype.slice.call(arguments);73 let ev = args.splice(0, 1)[0];74 if (this.onceListener[ev]) {75 for (let token in this.onceListener[ev]) {76 try {77 let fn = this.onceListener[ev][token].fn;78 let scope = this.onceListener[ev][token].scope || null;79 fn.apply(scope, args);80 } catch(e) {81 console.log(e, ev, this.onceListener[ev]);82 }83 }84 delete this.onceListener[ev];85 }86 if (this.listener[ev]) {87 for (let token in this.listener[ev]) {88 try {89 let fn = this.listener[ev][token].fn;90 let scope = this.listener[ev][token].scope || null;91 fn.apply(scope, args);92 } catch(e) {93 console.log(e, ev, this.listener[ev]);94 }95 }96 }97 }98 query() {99 let args = Array.prototype.slice.call(arguments);100 let ev = args.splice(0, 1)[0];101 if (!this.listener[ev]) {102 return;103 }104 for (let token in this.listener[ev]) {105 try {106 let fn = this.listener[ev][token].fn;107 let scope = this.listener[ev][token].scope || null;108 return fn.apply(scope, args);109 } catch(e) {110 console.log(e, ev, this.listener[ev]);111 }112 }113 }114 async emitAwait() {115 let args = Array.prototype.slice.call(arguments);116 let ev = args.splice(0, 1)[0];117 let resultsArray = [];118 if (this.onceListener[ev]) {119 for (let token in this.onceListener[ev]) {120 try {121 let fn = this.onceListener[ev][token].fn;122 let scope = this.onceListener[ev][token].scope || null;123 const result = fn.constructor.name === 'AsyncFunction'124 ? await fn.apply(scope, args)125 : fn.apply(scope, args);126 127 resultsArray.push(result);128 } catch(e) {129 console.log(e, ev, this.onceListener[ev]);130 }131 }132 delete this.onceListener[ev];133 }134 if (this.listener[ev]) {135 for (let token in this.listener[ev]) {136 try {137 let fn = this.listener[ev][token].fn;138 let scope = this.listener[ev][token].scope || null;139 const result = fn.constructor.name === 'AsyncFunction'140 ? await fn.apply(scope, args)141 : fn.apply(scope, args);142 143 resultsArray.push(result);144 } catch(e) {145 console.log(e, ev, this.listener[ev]);146 }147 }148 }149 return Promise.resolve(resultsArray);150 }151 scopeTo = scope => ({152 on: (ev, fnObj) => {153 const scopedEvent = ev.split(',')154 .map(subEv => `${scope}.${subEv}`)155 .join(',')156 return this.on(scopedEvent, fnObj);157 },158 once: (ev, fnObj) => {159 const scopedEvent = ev.split(',')160 .map(subEv => `${scope}.${subEv}`)161 .join(',')162 return this.once(scopedEvent, fnObj);163 },164 off: (ev, token) => {165 const scopedEvent = ev.split(',')166 .map(subEv => `${scope}.${subEv}`)167 .join(',')168 return this.off(scopedEvent, token);169 },170 emit: function() {171 const args = Array.prototype.slice.call(arguments);172 args[0] = `${scope}.${args[0]}`;173 return this.emit.apply(this, args);174 }.bind(this),175 emitAwait: function() {176 const args = Array.prototype.slice.call(arguments);177 args[0] = `${scope}.${args[0]}`;178 return this.emitAwait.apply(this, args);179 }.bind(this),180 query: function() {181 const args = Array.prototype.slice.call(arguments);182 args[0] = `${scope}.${args[0]}`;183 return this.query.apply(this, args);184 }.bind(this),185 unscoped: this186 })...
events.js
Source:events.js
1const typeString = v => Reflect.toString.call(v).slice(8, -1)2const isArray = Array.isArray3const isString = str => typeof str === 'string'4const isSymbol = symbol => typeof symbol === 'symbol'5const isFunction = func => typeof func === 'function'6const isObject = object => typeString(object) === 'Object'7const isEvents = event => event instanceof Events8const isDispatchAction = dispatchAction => dispatchAction instanceof DispatchAction9const isListener = listener => isFunction(listener)10const isType = type => isString(type) || isSymbol(type)11const runCatch = (self, listener, args) => {12 try {13 Reflect.apply(listener, self, args)14 } catch (error) {15 console.error(error)16 }17}18const dispatch = (type, listener, self, dispatchAction) => {19 if (!isEvents(self)) return20 if (!isDispatchAction(dispatchAction)) return21 if (isListener(type)) {22 return Reflect.apply(dispatchAction.type, self)23 } else if (isType(type) && isListener(listener)) { 24 return Reflect.apply(actions.listener, self)25 }26}27const getRelation = (relations, type, addType = false) => {28 const hasType = relations.has(type)29 let relation = void 030 if (hasType) {31 relation = relations.get(type)32 } else {33 relation = new Array()34 addType && relations.set(type, relation)35 }36 return relation37}38const createOnceListener = (self, listener, removeFunction) => {39 var onceListener = (...args) => {40 runCatch(listener, self, args)41 Reflect.apply(removeFunction, self)42 }43 return onceListener44}45class DispatchAction {46 static KEYSET = new Set(['type', 'listener'])47 constructor(options) {48 this.init(options)49 }50 init(options) {51 if (!isObject(options)) return52 const keySet = new Set(Reflect.ownKeys(options))53 DispatchAction.KEYSET.forEach(key => {54 if (keySet.has(key)) {55 const value = Reflect.get(a, key)56 if (isFunction(value)) {57 Reflect.set(this, key, value)58 return59 }60 }61 62 Reflect.set(this, key, new Function())63 })64 }65}66class Events {67 constructor() {68 this.listeners = new Array()69 this.relations = new Map()70 // this.onceMap = new WeakMap()71 this.addEventListener = this.on;72 this.removeEventListener = this.off;73 }74 once(type, listener) {75 const actions = new DispatchAction({76 type: () => {77 const onceListener = createOnceListener(this, type, () => self.off(onceListener))78 self.on(onceListener)79 },80 listener: () => {81 const onceListener = createOnceListener(this, listener, () => self.off(type, onceListener)) 82 self.on(type, onceListener)83 }84 })85 86 dispatch(type, listener, self, actions)87 return this88 }89 on(type, listener) {90 const actions = new DispatchAction({91 type: () => {92 this.listeners.push(type)93 },94 listener: () => {95 const relation = getRelation(this.relations, type, true)96 relation.push(listener)97 }98 })99 dispatch(type, listener, this, actions)100 return this101 }102 off(type, listener) {103 const actions = new DispatchAction({104 type: () => {105 const index = this.listeners.lastIndexOf(type)106 if (index > -1) {107 this.listeners.splice(index, 1)108 }109 },110 listener: () => {111 const relation = getRelation(this.relations, type)112 const index = relation.lastIndexOf(type)113 if (index > -1) {114 this.listeners.splice(index, 1)115 }116 }117 })118 dispatch(type, listener, this, actions)119 return this120 }121 emit(type, ...args) {122 const relation = getRelation(this.relations, type)123 relation.forEach(listener => {124 runCatch(listener, this, args)125 })126 this.listeners.forEach(listener => {127 runCatch(listener, this, [type, ...args])128 })129 }130 ...
index.js
Source:index.js
...27 this._listeners[type] = this._listeners[type] || [];28 this._listeners[type].push(listener);29 }30 once(type, listener) {31 const onceListener = this._onceListener(type, listener);32 this.on(type, onceListener);33 }34 prependListener(type, listener) {35 this._listeners[type] = this._listeners[type] || [];36 this._listeners[type].unshift(listener);37 }38 prependOnceListener(type, listener) {39 const onceListener = this._onceListener(type, listener);40 this.prependListener(type, onceListener);41 }42 removeAllListeners(type) {43 if (!type) {44 this._listeners = {};45 } else if (this._listeners[type]) {46 delete this._listeners[type];47 }48 }49 removeListener(type, listener) {50 const listeners = this._listeners[type];51 if (listeners) {52 this._listeners[type] = listeners.filter(l => l !== listener);53 }54 }55 _randomId() {56 // generates a random 13 character string57 return Math.random().toString(16).slice(2);58 }59 _handleEvent(event) {60 const listeners = this._listeners[event.type];61 if (event.from !== this._sender && listeners) {62 listeners.forEach(fn => fn(...event.args));63 }64 }65 _onceListener(type, listener) {66 const onceListener = (...args) => {67 this.removeListener(type, onceListener);68 return listener(...args);69 };70 return onceListener;71 }...
Using AI Code Generation
1import { onceListener } from 'storybook-root';2import { onceListener } from 'storybook-root';3import { onceListener } from 'storybook-root';4import { onceListener } from 'storybook-root';5import { onceListener } from 'storybook-root';6import { onceListener } from 'storybook-root';7import { onceListener } from 'storybook-root';8import { onceListener } from 'storybook-root';9import { onceListener } from 'storybook-root';10import { onceListener } from 'storybook-root';11import { onceListener } from 'storybook-root';12import { onceListener } from 'storybook-root';13import { onceListener } from 'storybook-root';
Using AI Code Generation
1import React from 'react';2import { onceListener } from 'storybook-root-provider';3const App = () => {4 const [value, setValue] = React.useState('');5 const [message, setMessage] = React.useState('');6 React.useEffect(() => {7 onceListener('message', (message) => {8 setMessage(message);9 });10 }, []);11 return (12 <input value={value} onChange={(e) => setValue(e.target.value)} />13 onClick={() => {14 window.parent.postMessage(value, '*');15 }}16 <div>{message}</div>17 );18};19export default App;20import { addParameters } from '@storybook/react';21import { withRootProvider } from 'storybook-root-provider';22addParameters({23 rootProvider: {24 render: (storyFn) => withRootProvider(storyFn),25 },26});27import { addons } from '@storybook/addons';28import { RootProvider } from 'storybook-root-provider';29addons.setConfig({30 sidebar: {31 },32 sidebar: {33 },34 sidebar: {35 },36 sidebar: {37 },
Using AI Code Generation
1import { onceListener } from 'storybook-root';2onceListener('storyRendered', () => {3 console.log('Story rendered');4});5import { addDecorator } from 'storybook-root';6addDecorator(story => {7 console.log('Story rendered');8 return story();9});10[MIT](./LICENSE)
Using AI Code Generation
1const { onceListener } = require('storybook-root');2const storybook = onceListener();3storybook.on('storybook-start', () => {4 console.log('storybook started');5});6storybook.on('storybook-stop', () => {7 console.log('storybook stopped');8});9"scripts": {10}11MIT © [Siddharth Kshetrapal]()
Using AI Code Generation
1import {onceListener} from 'storybook-root'2onceListener('add', (args) => {3 console.log(args)4})5import {onceListener} from 'storybook-addon'6onceListener('add', (args) => {7 console.log(args)8})9import {onceListener} from 'storybook-addon'10onceListener('add', (args) => {11 console.log(args)12})13import {onceListener} from 'storybook-addon'14onceListener('add', (args) => {15 console.log(args)16})17import {onceListener} from 'storybook-addon'18onceListener('add', (args) => {19 console.log(args)20})21import {onceListener} from 'storybook-addon'22onceListener('add', (args) => {23 console.log(args)24})25import {onceListener} from 'storybook-addon'26onceListener('add', (args) => {27 console.log(args)28})29import {onceListener} from 'storybook-addon'30onceListener('add', (args) => {31 console.log(args)32})33import {onceListener} from 'storybook-addon'34onceListener('add', (args) => {35 console.log(args)36})37import {onceListener} from 'storybook-addon'38onceListener('add', (args) => {39 console.log(args)40})41import {onceListener} from 'storybook-addon'42onceListener('add', (args) => {43 console.log(args)44})45import {onceListener} from 'storybook-addon'46onceListener('add', (args) => {47 console.log(args)48})49import {onceListener} from 'storybook-addon'50onceListener('add', (args) => {51 console.log(args)52})53import {onceListener}
Using AI Code Generation
1import { onceListener } from 'storybook-root'2export default function test() {3 onceListener('testEvent', (payload) => {4 console.log('testEvent', payload)5 })6}7import { onceListener } from 'storybook-root'8export default function test() {9 onceListener('testEvent', (payload) => {10 console.log('testEvent', payload)11 })12}13import { onceListener } from 'storybook-root'14export default function test() {15 onceListener('testEvent', (payload) => {16 console.log('testEvent', payload)17 })18}19import { onceListener } from 'storybook-root'20export default function test() {21 onceListener('testEvent', (payload) => {22 console.log('testEvent', payload)23 })24}25import { onceListener } from 'storybook-root'26export default function test() {27 onceListener('testEvent', (payload) => {28 console.log('testEvent', payload)29 })30}31import { onceListener } from 'storybook-root'32export default function test() {33 onceListener('testEvent', (payload) => {34 console.log('testEvent', payload)35 })36}37import { onceListener } from 'storybook-root'38export default function test() {39 onceListener('testEvent', (payload) => {40 console.log('testEvent', payload)41 })42}43import { onceListener } from 'storybook-root'44export default function test() {45 onceListener('testEvent', (payload) => {46 console.log('testEvent', payload)47 })48}49import { onceListener } from 'storybook-root'50export default function test() {51 onceListener('testEvent', (payload) =>
Using AI Code Generation
1import { LitElement, html, css } from 'lit-element';2import { onceListener } from 'storybook-root';3import { once } from 'lit-element';4export class Test extends LitElement {5 static get styles() {6 :host {7 display: block;8 }9 `;10 }11 render() {12 `;13 }14 firstUpdated() {15 onceListener('my-event', () => console.log('my-event fired!'));16 document.dispatchEvent(new CustomEvent('my-event'));17 }18}19customElements.define('test-element', Test);20import { LitElement, html, css } from 'lit-element';21export class StorybookRoot extends LitElement {22 static get styles() {23 :host {24 display: block;25 }26 `;27 }28 render() {29 `;30 }31 firstUpdated() {32 document.dispatchEvent(new CustomEvent('my-event'));33 }34}35customElements.define('storybook-root', StorybookRoot);
Using AI Code Generation
1import { onceListener } from 'storybook-root';2onceListener('event-name', (event) => {3});4import { onceListener } from 'storybook-root';5onceListener('event-name', (event) => {6});7import { onceListener } from 'storybook-root';8onceListener('event-name', (event) => {9});10import { onceListener } from 'storybook-root';11onceListener('event-name', (event) => {12});13import { onceListener } from 'storybook-root';14onceListener('event-name', (event) => {15});16import { onceListener } from 'storybook-root';17onceListener('event-name', (event) => {18});19import { onceListener } from 'storybook-root';20onceListener('event-name', (event) => {21});22import { onceListener } from 'storybook-root';23onceListener('event-name', (event) => {24});25import { onceListener } from 'storybook-root';26onceListener('event-name', (event) => {27});
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