How to use getNextHook method in storybook-root

Best JavaScript code snippet using storybook-root

hooks.ts

Source:hooks.ts

...69    });70    this.init();71    this.removeRenderListeners();72  }73  getNextHook() {74    const hook = this.currentHooks[this.nextHookIndex];75    this.nextHookIndex += 1;76    return hook;77  }78  triggerEffects() {79    // destroy removed effects80    this.prevEffects.forEach(effect => {81      if (!this.currentEffects.includes(effect) && effect.destroy) {82        effect.destroy();83      }84    });85    // trigger added effects86    this.currentEffects.forEach(effect => {87      if (!this.prevEffects.includes(effect)) {88        // eslint-disable-next-line no-param-reassign89        effect.destroy = effect.create();90      }91    });92    this.prevEffects = this.currentEffects;93    this.currentEffects = [];94  }95  addRenderListeners() {96    this.removeRenderListeners();97    const channel = addons.getChannel();98    RenderEvents.forEach(e => channel.on(e, this.renderListener));99  }100  removeRenderListeners() {101    const channel = addons.getChannel();102    RenderEvents.forEach(e => channel.removeListener(e, this.renderListener));103  }104}105const hookify = (fn: AbstractFunction) => (...args: any[]) => {106  const { hooks }: StoryContext = typeof args[0] === 'function' ? args[1] : args[0];107  const prevPhase = hooks.currentPhase;108  const prevHooks = hooks.currentHooks;109  const prevNextHookIndex = hooks.nextHookIndex;110  const prevDecoratorName = hooks.currentDecoratorName;111  hooks.currentDecoratorName = fn.name;112  if (hooks.prevMountedDecorators.has(fn)) {113    hooks.currentPhase = 'UPDATE';114    hooks.currentHooks = hooks.hookListsMap.get(fn) || [];115  } else {116    hooks.currentPhase = 'MOUNT';117    hooks.currentHooks = [];118    hooks.hookListsMap.set(fn, hooks.currentHooks);119    hooks.prevMountedDecorators.add(fn);120  }121  hooks.nextHookIndex = 0;122  const prevContext = window.STORYBOOK_HOOKS_CONTEXT;123  window.STORYBOOK_HOOKS_CONTEXT = hooks;124  const result = fn(...args);125  window.STORYBOOK_HOOKS_CONTEXT = prevContext;126  if (hooks.currentPhase === 'UPDATE' && hooks.getNextHook() != null) {127    throw new Error(128      'Rendered fewer hooks than expected. This may be caused by an accidental early return statement.'129    );130  }131  hooks.currentPhase = prevPhase;132  hooks.currentHooks = prevHooks;133  hooks.nextHookIndex = prevNextHookIndex;134  hooks.currentDecoratorName = prevDecoratorName;135  return result;136};137// Counter to prevent infinite loops.138let numberOfRenders = 0;139const RENDER_LIMIT = 25;140export const applyHooks = (141  applyDecorators: (getStory: StoryGetter, decorators: Decorator[]) => StoryGetter142) => (getStory: StoryGetter, decorators: Decorator[]) => {143  const decorated = applyDecorators(hookify(getStory), decorators.map(hookify));144  return (context: StoryContext) => {145    const { hooks } = context;146    hooks.prevMountedDecorators = hooks.mountedDecorators;147    hooks.mountedDecorators = new Set([getStory, ...decorators]);148    hooks.currentContext = context;149    hooks.hasUpdates = false;150    let result = decorated(context);151    numberOfRenders = 1;152    while (hooks.hasUpdates) {153      hooks.hasUpdates = false;154      hooks.currentEffects = [];155      result = decorated(context);156      numberOfRenders += 1;157      if (numberOfRenders > RENDER_LIMIT) {158        throw new Error(159          'Too many re-renders. Storybook limits the number of renders to prevent an infinite loop.'160        );161      }162    }163    hooks.addRenderListeners();164    return result;165  };166};167const areDepsEqual = (deps: any[], nextDeps: any[]) =>168  deps.length === nextDeps.length && deps.every((dep, i) => dep === nextDeps[i]);169const invalidHooksError = () =>170  new Error('Storybook preview hooks can only be called inside decorators and story functions.');171function getHooksContextOrNull(): HooksContext | null {172  return window.STORYBOOK_HOOKS_CONTEXT || null;173}174function getHooksContextOrThrow(): HooksContext {175  const hooks = getHooksContextOrNull();176  if (hooks == null) {177    throw invalidHooksError();178  }179  return hooks;180}181function useHook(name: string, callback: (hook: Hook) => void, deps?: any[] | undefined): Hook {182  const hooks = getHooksContextOrThrow();183  if (hooks.currentPhase === 'MOUNT') {184    if (deps != null && !Array.isArray(deps)) {185      logger.warn(186        `${name} received a final argument that is not an array (instead, received ${deps}). When specified, the final argument must be an array.`187      );188    }189    const hook: Hook = { name, deps };190    hooks.currentHooks.push(hook);191    callback(hook);192    return hook;193  }194  if (hooks.currentPhase === 'UPDATE') {195    const hook = hooks.getNextHook();196    if (hook == null) {197      throw new Error('Rendered more hooks than during the previous render.');198    }199    if (hook.name !== name) {200      logger.warn(201        `Storybook has detected a change in the order of Hooks${202          hooks.currentDecoratorName ? ` called by ${hooks.currentDecoratorName}` : ''203        }. This will lead to bugs and errors if not fixed.`204      );205    }206    if (deps != null && hook.deps == null) {207      logger.warn(208        `${name} received a final argument during this render, but not during the previous render. Even though the final argument is optional, its type cannot change between renders.`209      );...

hooks.js

Source:hooks.js

...52var hookListsMap = new WeakMap();53var mountedDecorators = new Set();54var currentHooks = [];55var nextHookIndex = 0;56var getNextHook = function getNextHook() {57  var hook = currentHooks[nextHookIndex];58  nextHookIndex += 1;59  return hook;60};61var currentPhase = 'NONE';62var currentEffects = [];63var prevEffects = [];64var currentDecoratorName = null;65var hasUpdates = false;66var currentContext = null;67var triggerEffects = function triggerEffects() {68  // destroy removed effects69  prevEffects.forEach(function (effect) {70    if (!currentEffects.includes(effect) && effect.destroy) {71      effect.destroy();72    }73  }); // trigger added effects74  currentEffects.forEach(function (effect) {75    if (!prevEffects.includes(effect)) {76      // eslint-disable-next-line no-param-reassign77      effect.destroy = effect.create();78    }79  });80  prevEffects = currentEffects;81  currentEffects = [];82};83var hookify = function hookify(fn) {84  return function () {85    var prevPhase = currentPhase;86    var prevHooks = currentHooks;87    var prevNextHookIndex = nextHookIndex;88    var prevDecoratorName = currentDecoratorName;89    currentDecoratorName = fn.name;90    if (mountedDecorators.has(fn)) {91      currentPhase = 'UPDATE';92      currentHooks = hookListsMap.get(fn) || [];93    } else {94      currentPhase = 'MOUNT';95      currentHooks = [];96      hookListsMap.set(fn, currentHooks);97    }98    nextHookIndex = 0;99    var result = fn.apply(void 0, arguments);100    if (currentPhase === 'UPDATE' && getNextHook() != null) {101      throw new Error('Rendered fewer hooks than expected. This may be caused by an accidental early return statement.');102    }103    currentPhase = prevPhase;104    currentHooks = prevHooks;105    nextHookIndex = prevNextHookIndex;106    currentDecoratorName = prevDecoratorName;107    return result;108  };109}; // Counter to prevent infinite loops.110var numberOfRenders = 0;111var RENDER_LIMIT = 25;112var applyHooks = function applyHooks(applyDecorators) {113  return function (getStory, decorators) {114    var decorated = applyDecorators(hookify(getStory), decorators.map(hookify));115    return function (context) {116      currentContext = context;117      hasUpdates = false;118      var result = decorated(context);119      mountedDecorators = new Set([getStory].concat(_toConsumableArray(decorators)));120      numberOfRenders = 1;121      while (hasUpdates) {122        hasUpdates = false;123        result = decorated(context);124        numberOfRenders += 1;125        if (numberOfRenders > RENDER_LIMIT) {126          throw new Error('Too many re-renders. Storybook limits the number of renders to prevent an infinite loop.');127        }128      }129      triggerEffects();130      currentContext = null;131      return result;132    };133  };134};135exports.applyHooks = applyHooks;136var areDepsEqual = function areDepsEqual(deps, nextDeps) {137  return deps.length === nextDeps.length && deps.every(function (dep, i) {138    return dep === nextDeps[i];139  });140};141function useHook(name, callback, deps) {142  if (currentPhase === 'MOUNT') {143    if (deps != null && !Array.isArray(deps)) {144      _clientLogger.logger.warn("".concat(name, " received a final argument that is not an array (instead, received ").concat(deps, "). When specified, the final argument must be an array."));145    }146    var _hook = {147      name: name,148      deps: deps149    };150    currentHooks.push(_hook);151    callback(_hook);152    return _hook;153  }154  if (currentPhase === 'UPDATE') {155    var _hook2 = getNextHook();156    if (_hook2 == null) {157      throw new Error('Rendered more hooks than during the previous render.');158    }159    if (_hook2.name !== name) {160      _clientLogger.logger.warn("Storybook has detected a change in the order of Hooks".concat(currentDecoratorName ? " called by ".concat(currentDecoratorName) : '', ". This will lead to bugs and errors if not fixed."));161    }162    if (deps != null && _hook2.deps == null) {163      _clientLogger.logger.warn("".concat(name, " received a final argument during this render, but not during the previous render. Even though the final argument is optional, its type cannot change between renders."));164    }165    if (deps != null && _hook2.deps != null && deps.length !== _hook2.deps.length) {166      _clientLogger.logger.warn("The final argument passed to ".concat(name, " changed size between renders. The order and size of this array must remain constant.\nPrevious: ").concat(_hook2.deps, "\nIncoming: ").concat(deps));167    }168    if (deps == null || _hook2.deps == null || !areDepsEqual(deps, _hook2.deps)) {169      callback(_hook2);...

index.js

Source:index.js

...24    this.hookCursor += 1;25    return [this.context, this.hookCursor];26  },27  useState: defaultValue => {28    const [hookContext, hookNumber] = this.getNextHook();29    const setValue = value => {30      hookContext.setState({31        [hookNumber]: value32      });33    };34    return [hookContext.state[hookNumber] || defaultValue, setValue];35  },36  useEffect: (effectFn, firesOn) => {37    const [hookContext, hookNumber] = this.getNextHook();38    if (39      !hookContext._effects[hookNumber] ||40      !firesOn ||41      (firesOn &&42        hookContext._effects[hookNumber].firesOn &&43        firesOn.some((value, index) => value !== hookContext._effects[hookNumber].firesOn[index]))44    ) {45      requestAnimationFrame(() => {46        hookContext._effects[hookNumber] = hookContext._effects[hookNumber] || {};47        hookContext._effects[hookNumber].cleanup = effectFn();48        hookContext._effects[hookNumber].firesOn = firesOn;49      });50    }51  },52  useLayoutEffect: (effectFn, firesOn) => {53    // TODO: Make this fire at the right time54    this.useEffect(effectFn, firesOn);55  },56  useContext: context => {57    // const [ hookContext ] = this.getNextHook();58    // context.findProvider(hookContext);59    // TODO60  },61  useRef: defaultValue => {62    const [hookContext, hookNumber] = this.getNextHook();63    if (!hookContext._refs[hookNumber]) {64      function setRef(ref) {65        setRef.current = ref;66      }67      setRef.current = defaultValue;68      hookContext._refs[hookNumber] = setRef;69    }70    return hookContext._refs[hookNumber];71  },72  useMemo: (fn, changesOn) => {73    const [hookContext, hookNumber] = this.getNextHook();74    if (75      !hookContext._memos[hookNumber] ||76      !changesOn ||77      (changesOn &&78        hookContext._memos[hookNumber].changesOn &&79        changesOn.some((value, index) => value !== hookContext._memos[hookNumber].changesOn[index]))80    ) {81      hookContext._memos[hookNumber] = hookContext._memos[hookNumber] || {};82      hookContext._memos[hookNumber].value = fn();83      hookContext._memos[hookNumber].changesOn = changesOn;84    }85    return hookContext._memos[hookNumber].value;86  },87  useCallback: (fn, changesOn) => {...

Using AI Code Generation

1import { StorybookRoot } from 'storybook-root';2const storybookRoot = new StorybookRoot();3const nextHook = storybookRoot.getNextHook();4import { StorybookRoot } from 'storybook-root';5const storybookRoot = new StorybookRoot();6const nextHook = storybookRoot.getNextHook();7import { StorybookRoot } from 'storybook-root';8const storybookRoot = new StorybookRoot();9const nextHook = storybookRoot.getNextHook();10import { StorybookRoot } from 'storybook-root';11const storybookRoot = new StorybookRoot();12const nextHook = storybookRoot.getNextHook();13import { StorybookRoot } from 'storybook-root';14const storybookRoot = new StorybookRoot();15const nextHook = storybookRoot.getNextHook();16import { StorybookRoot } from 'storybook-root';17const storybookRoot = new StorybookRoot();18const nextHook = storybookRoot.getNextHook();19import { StorybookRoot } from 'storybook-root';20const storybookRoot = new StorybookRoot();21const nextHook = storybookRoot.getNextHook();22import { StorybookRoot } from 'storybook-root';23const storybookRoot = new StorybookRoot();24const nextHook = storybookRoot.getNextHook();25import { StorybookRoot } from 'storybook-root';26const storybookRoot = new StorybookRoot();27const nextHook = storybookRoot.getNextHook();28import { StorybookRoot } from 'storybook-root';29const storybookRoot = new StorybookRoot();30const nextHook = storybookRoot.getNextHook();

Using AI Code Generation

1const nextHook = require('storybook-root').getNextHook;2const getStorybook = require('storybook-root').getStorybook;3const getStorybook = require('storybook-root').getStorybook;4const getStorybook = require('storybook-root').getStorybook;5const getStorybook = require('storybook-root').getStorybook;6const getStorybook = require('storybook-root').getStorybook;7const getStorybook = require('storybook-root').getStorybook;8const getStorybook = require('storybook-root').getStorybook;9const getStorybook = require('storybook-root').getStorybook;

Using AI Code Generation

1import { getNextHook } from 'storybook-root'2export default class Test {3  constructor() {4    this.hook = getNextHook()5  }6}7import React from 'react'8import { configure, addDecorator } from '@storybook/react'9import { setNextHook } from 'storybook-root'10const req = require.context('../src', true, /\.stories\.js$/)11function loadStories() {12  req.keys().forEach(filename => req(filename))13}14addDecorator((story, context) => {15  setNextHook(context.hook)16  return story()17})18configure(loadStories, module)19const path = require('path')20module.exports = {21  resolve: {22    alias: {23      'storybook-root': path.resolve(__dirname, '../src')24    }25  }26}27import Test from './test'28import { getNextHook } from 'storybook-root'29export default class Test {30  constructor() {31    this.hook = getNextHook()32  }33}34import React from 'react'35import { storiesOf } from '@storybook/react'36import Test from './test'37storiesOf('Test', module).add('default', () => <Test />)

Using AI Code Generation

1import { getNextHook } from 'storybook-root-cause';2const { hookName, args } = getNextHook();3import { renderHook } from '@testing-library/react-hooks';4import { useHook } from './test.js';5import { getStorybookHooks, setStorybookHooks } from 'storybook-root-cause';6test('should render the hook', () => {7  const { result } = renderHook(() => useHook());8  const storybookHooks = getStorybookHooks();9  setStorybookHooks([...storybookHooks, { hookName: 'useHook', args: result.current }]);10});11import { useHook } from './test.js';12import { getStorybookHooks } from 'storybook-root-cause';13export const Example = () => {14  const { hookName, args } = getStorybookHooks()[0];15  useHook(...args);16};17module.exports = {18};

Using AI Code Generation

1const { getNextHook } = require("storybook-root-cause");2const { getHooks } = require("storybook-root-cause");3const { getEffects } = require("storybook-root-cause");4const { getEffects } = require("storybook-root-cause");5const { getEffects } = require("storybook-root-cause");6const { getEffects } = require("storybook-root-cause");7const { getEffects } = require("storybook-root-cause");

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