How to use previousInputsFiltered method in storybook-root
Best JavaScript code snippet using storybook-root
NgComponentAnalyzer.ts
Source:NgComponentAnalyzer.ts 
1import {2 Component,3 Directive,4 Input,5 Output,6 Pipe,7 Type,8 ɵReflectionCapabilities as ReflectionCapabilities,9 ɵCodegenComponentFactoryResolver,10} from '@angular/core';11const reflectionCapabilities = new ReflectionCapabilities();12export type ComponentInputsOutputs = {13 inputs: {14 propName: string;15 templateName: string;16 }[];17 outputs: {18 propName: string;19 templateName: string;20 }[];21};22/**23 * Returns component Inputs / Outputs by browsing these properties and decorator24 */25export const getComponentInputsOutputs = (component: any): ComponentInputsOutputs => {26 const componentMetadata = getComponentDecoratorMetadata(component);27 const componentPropsMetadata = getComponentPropsDecoratorMetadata(component);28 const initialValue: ComponentInputsOutputs = {29 inputs: [],30 outputs: [],31 };32 // Adds the I/O present in @Component metadata33 if (componentMetadata && componentMetadata.inputs) {34 initialValue.inputs.push(35 ...componentMetadata.inputs.map((i) => ({ propName: i, templateName: i }))36 );37 }38 if (componentMetadata && componentMetadata.outputs) {39 initialValue.outputs.push(40 ...componentMetadata.outputs.map((i) => ({ propName: i, templateName: i }))41 );42 }43 if (!componentPropsMetadata) {44 return initialValue;45 }46 // Browses component properties to extract I/O47 // Filters properties that have the same name as the one present in the @Component property48 return Object.entries(componentPropsMetadata).reduce((previousValue, [propertyName, values]) => {49 const value = values.find((v) => v instanceof Input || v instanceof Output);50 if (value instanceof Input) {51 const inputToAdd = {52 propName: propertyName,53 templateName: value.bindingPropertyName ?? propertyName,54 };55 const previousInputsFiltered = previousValue.inputs.filter(56 (i) => i.templateName !== propertyName57 );58 return {59 ...previousValue,60 inputs: [...previousInputsFiltered, inputToAdd],61 };62 }63 if (value instanceof Output) {64 const outputToAdd = {65 propName: propertyName,66 templateName: value.bindingPropertyName ?? propertyName,67 };68 const previousOutputsFiltered = previousValue.outputs.filter(69 (i) => i.templateName !== propertyName70 );71 return {72 ...previousValue,73 outputs: [...previousOutputsFiltered, outputToAdd],74 };75 }76 return previousValue;77 }, initialValue);78};79export const isDeclarable = (component: any): boolean => {80 if (!component) {81 return false;82 }83 const decorators = reflectionCapabilities.annotations(component);84 return !!(decorators || []).find(85 (d) => d instanceof Directive || d instanceof Pipe || d instanceof Component86 );87};88export const isComponent = (component: any): component is Type<unknown> => {89 if (!component) {90 return false;91 }92 const decorators = reflectionCapabilities.annotations(component);93 return (decorators || []).some((d) => d instanceof Component);94};95/**96 * Returns all component decorator properties97 * is used to get all `@Input` and `@Output` Decorator98 */99export const getComponentPropsDecoratorMetadata = (component: any) => {100 return reflectionCapabilities.propMetadata(component);101};102/**103 * Returns component decorator `@Component`104 */105export const getComponentDecoratorMetadata = (component: any): Component | undefined => {106 const decorators = reflectionCapabilities.annotations(component);107 return decorators.reverse().find((d) => d instanceof Component);...
Using AI Code Generation
1const previousInputsFiltered = require('storybook-root').previousInputsFiltered;2const previousInputsFiltered = require('storybook-root').previousInputsFiltered;3const previousInputsFiltered = require('storybook-root').previousInputsFiltered;4const previousInputsFiltered = require('storybook-root').previousInputsFiltered;5const previousInputsFiltered = require('storybook-root').previousInputsFiltered;6const previousInputsFiltered = require('storybook-root').previousInputsFiltered;
Using AI Code Generation
1 const { previousInputsFiltered } = useStorybookRoot();2 const [inputs, setInputs] = useState([]);3 useEffect(() => {4 setInputs(previousInputsFiltered("test"));5 }, []);6 return (7 {inputs.map((input, index) => (8 <p key={index}>{input}</p>9 ))}10 );11}12export default Test;13const { previousInputsFiltered } = useStorybookRoot();14const [inputs, setInputs] = useState([]);15useEffect(() => {16 setInputs(previousInputsFiltered("test"));17}, []);18return (19 {inputs.includes("test") ? <p>Input is present</p> : <p>Input is not present</p>}20);
Using AI Code Generation
1const { previousInputsFiltered } = require('storybook-root');2const inputs = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];3const filterFunction = (input) => input === 'a' || input === 'b' || input === 'c';4const result = previousInputsFiltered(inputs, filterFunction);5console.log(result);6const { previousInputsFiltered } = require('storybook-root');7const inputs = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];8const filterFunction = (input) => input === 'a' || input === 'b' || input === 'c';9const result = previousInputsFiltered(inputs, filterFunction, true);10console.log(result);11const { previousInputsFiltered } = require('storybook-root');12const inputs = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];13const filterFunction = (input) => input === 'a' || input === 'b' || input === 'c';14const result = previousInputsFiltered(inputs, filterFunction, false);15console.log(result);16const { previousInputsFiltered } = require('storybook-root');17const inputs = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'];18const filterFunction = (input) => input === 'a' || input === 'b' || input === 'c';19const result = previousInputsFiltered(inputs, filterFunction, 2);20console.log(result);21const { previousInputsFiltered } = require('storybook-root');
Using AI Code Generation
1import { previousInputsFiltered } from 'storybook-root'2const myStory = () => {3 const [input, setInput] = useState()4 const [filtered, setFiltered] = useState()5 useEffect(() => {6 setFiltered(previousInputsFiltered(input))7 }, [input])8 return (9 <Input onChange={e => setInput(e.target.value)} />10 <div>{filtered}</div>11}12import { usePrevious } from 'storybook-root'13const myStory = () => {14 const [input, setInput] = useState()15 const [filtered, setFiltered] = useState()16 const prevInput = usePrevious(input)17 useEffect(() => {18 setFiltered(previousInputsFiltered(input))19 }, [input])20 return (21 <Input onChange={e => setInput(e.target.value)} />22 <div>{filtered}</div>23}24import { usePreviousInputs } from 'storybook-root'25const myStory = () => {26 const [input, setInput] = useState()27 const [filtered, setFiltered] = useState()28 const [prevInput] = usePreviousInputs(input)29 useEffect(() => {30 setFiltered(previousInputsFiltered(input))31 }, [input])32 return (33 <Input onChange={e => setInput(e.target.value)} />34 <div>{filtered}</div>35}36import { usePreviousInputsFiltered } from 'storybook-root'37const myStory = () => {38 const [input, setInput] = useState()39 const [filtered] = usePreviousInputsFiltered(input)40 return (41 <Input onChange={e => setInput(e.target.value)} />42 <div>{filtered}</div>43}
Using AI Code Generation
1import { previousInputsFiltered } from 'storybook-root';2const { inputs } = previousInputsFiltered();3import { previousInputsFiltered } from './utils';4export { previousInputsFiltered };5import { previousInputsFiltered } from './utils';6export { previousInputsFiltered };7import { previousInputsFiltered } from './utils';8export { previousInputsFiltered };9import { previousInputsFiltered } from './utils';10export { previousInputsFiltered };11import { previousInputsFiltered } from './utils';12export { previousInputsFiltered };13import { previousInputsFiltered } from './utils';14export { previousInputsFiltered };15import { previousInputsFiltered } from './utils';16export { previousInputsFiltered };17import { previousInputsFiltered } from './utils';18export { previousInputsFiltered };19import { previousInputsFiltered } from './utils';20export { previousInputsFiltered };21import { previousInputsFiltered } from './utils';22export { previousInputsFiltered };23import { previousInputsFiltered } from './utils';24export { previousInputsFiltered };25import { previousInputsFiltered } from './utils';26export { previousInputsFiltered };27import { previousInputsFiltered } from './utils';28export { previousInputsFiltered };
Using AI Code Generation
1const previousInputsFiltered = require('storybook-root').previousInputsFiltered;2const previousInputs = require('storybook-root').previousInputs;3const inputs = previousInputs('test');4const inputsFiltered = previousInputsFiltered('test', (input) => {5 return input.a === 2;6});7console.log('inputs', inputs);8console.log('inputsFiltered', inputsFiltered);9const previousInputs = require('./previousInputs');10module.exports = {11 previousInputsFiltered: (name, filter) => {12 const inputs = previousInputs(name);13 return inputs.filter(filter);14 },15 previousInputs: (name) => {16 },17};18module.exports = (name) => {19};20inputs [ { a: 1 }, { a: 2 }, { a: 3 } ]21inputsFiltered [ { a: 2 } ]
Using AI Code Generation
1import { root } from "storybook-root";2import { getStorybook } from "@storybook/react";3import { testStory } from "./testStory";4const stories = getStorybook();5const story = stories.find(story => story.kind === testStory.title);6const storyFn = story.stories[0].render;7const context = { kind: testStory.title, story: story.stories[0].name };8const prevInputs = root.previousInputsFiltered(storyFn, context);9console.log(prevInputs);10import React from "react";11export const testStory = {12};13export const TestStory = () => {14 return <div>Test Story</div>;15};16TestStory.story = {17 parameters: {18 storybookRoot: {19 inputs: {20 }21 }22 }23};24TestStory.storyName = "Test Story";
Using AI Code Generation
1var inputs = storybookRoot.previousInputsFiltered();2var inputsEmpty = storybookRoot.previousInputs();3if (inputs.length == inputsEmpty.length) {4 console.log("The arrays are equal");5} else {6 console.log("The arrays are not equal");7}8if (inputs.length == 5) {9 console.log("The number of inputs is equal to the number of inputs that are not empty");10} else {11 console.log("The number of inputs is not equal to the number of inputs that are not empty");12}
Automation Testing Tutorials
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run storybook-root automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
