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How to use WithPlaceholder method in storybook-root

Best JavaScript code snippet using storybook-root

justlazy.lazyLoad.test.js

Source:justlazy.lazyLoad.test.js

1var base64Image = "data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs=";2var base64Image2 = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7";3var withPlaceholder = function (selector) {4    return selector;5};6var selectTestCase = function (testCaseId, placeholderSelector) {7    var fixture = document.getElementById(testCaseId);8    var placeholder = function () {9        return fixture.querySelectorAll(placeholderSelector)[0];10    };11    var image = function () {12        return fixture.querySelectorAll("img")[0];13    };14    return {15        placeholder: placeholder,16        image: image17    };18};19describe("justlazy.lazyLoad should lazy load image", function () {20    beforeEach(function () {21        loadFixtures("placeholders.html");22    });23    it("without options", function () {24        var testCase = selectTestCase("spanWithMandatoryAttributesOnly", withPlaceholder("span"));25        expect(testCase.placeholder()).toBeDefined();26        Justlazy.lazyLoad(testCase.placeholder());27    });28    it("with mandatory attributes", function (done) {29        var testCase = selectTestCase("spanWithMandatoryAttributesOnly", withPlaceholder("span"));30        Justlazy.lazyLoad(testCase.placeholder(), {31            onreplaceCallback: function () {32                var img = testCase.image();33                expect(img).toHaveAttr("src", base64Image);34                expect(img).toHaveAttr("alt", "some alt text");35                expect(img).not.toHaveAttr("title");36                // use following instead of 'expect(img).not.toHaveAttr("srcset");', because37                // some browsers doesn't support the srcset-attribute via jquery-select38                expect(img.getAttribute("srcset")).toBeNull();39                expect(testCase.placeholder()).not.toExist();40                done();41            }42        });43    });44    it("with title", function (done) {45        var testCase = selectTestCase("spanWithTitle", withPlaceholder("span"));46        Justlazy.lazyLoad(testCase.placeholder(), {47            onreplaceCallback: function () {48                var img = testCase.image();49                expect(img).toHaveAttr("title", "some title");50                expect(testCase.placeholder()).not.toExist();51                done();52            }53        });54    });55    it("with srcset attribute", function (done) {56        var testCase = selectTestCase("spanWithSrcset", withPlaceholder("span"));57        var srcsetValue = base64Image + " 400w, " + base64Image2 + " 800w";58        expect(testCase.placeholder()).toHaveAttr("data-srcset", srcsetValue);59        Justlazy.lazyLoad(testCase.placeholder(), {60            onreplaceCallback: function () {61                var img = testCase.image();62                expect(img).toExist();63                // use following instead of 'expect(img).toHaveAttr("srcset", srcsetValue);', because64                // some browsers doesn't support the srcset-attribute via jquery-select65                expect(img.getAttribute("srcset")).toBe(srcsetValue);66                done();67            }68        });69    });70    it("with empty data-alt attribute", function (done) {71        var testCase = selectTestCase("spanWithEmptyAlt", withPlaceholder("span"));72        expect(testCase.placeholder()).toHaveAttr("data-alt", "");73        Justlazy.lazyLoad(testCase.placeholder(), {74            onreplaceCallback: function () {75                var img = testCase.image();76                expect(img).toExist();77                expect(img).toHaveAttr("alt", "");78                done();79            }80        });81    });82    it("within complex html structure", function (done) {83        var testContainer = document.getElementById("spanWithComplexStructure");84        expect(testContainer.querySelectorAll(".lazy-span").length).toBe(3);85        expect(testContainer.querySelectorAll("img").length).toBe(1);86        // load second image of list structure87        Justlazy.lazyLoad(testContainer.querySelectorAll(".lazy-span")[1], {88            onreplaceCallback: function () {89                var img2 = testContainer.querySelector("#li2").getElementsByTagName("img")[0];90                expect(img2).toHaveAttr("src", base64Image2);91                expect(img2).toHaveAttr("alt", "alt2");92                expect(img2).toHaveAttr("title", "title2");93                expect(testContainer.querySelector("#li2").getElementsByTagName("span")).not.toExist();94                expect(testContainer.querySelectorAll(".lazy-span").length).toBe(2);95                expect(testContainer.getElementsByTagName("img").length).toBe(2);96                done();97            }98        });99    });100    it("if placeholder contains content", function (done) {101        var testCase = selectTestCase("spanWithContent", withPlaceholder("span"));102        expect(testCase.placeholder()).toHaveText("Some content here");103        Justlazy.lazyLoad(testCase.placeholder(), {104            onreplaceCallback: function () {105                expect(testCase.image()).toExist();106                expect(testCase.placeholder()).not.toExist();107                done();108            }109        });110    });111    it("if placeholder has styling", function (done) {112        var testCase = selectTestCase("spanWithCss", withPlaceholder("span"));113        expect(testCase.placeholder()).toHaveCss({display: "none"});114        Justlazy.lazyLoad(testCase.placeholder(), {115            onreplaceCallback: function () {116                expect(testCase.image()).not.toHaveCss({display: "none"});117                expect(testCase.placeholder()).not.toExist();118                done();119            }120        });121    });122    it("if progressive enabled", function (done) {123        var testCase = selectTestCase("spanWithMandatoryAttributesOnly", withPlaceholder("span"));124        Justlazy.lazyLoad(testCase.placeholder(), {125            onreplaceCallback: function () {126                expect(testCase.image()).toExist();127                done();128            },129            progressive: true130        });131    });132    it("of onerrorCallback if image could not be loaded and replace placeholder", function (done) {133        var testCase = selectTestCase("spanWithoutExistingImage", withPlaceholder("span"));134        expect(testCase.placeholder()).toHaveAttr("data-src", "http://some.non.existing.server/foobar.gif");135        Justlazy.lazyLoad(testCase.placeholder(), {136            onerrorCallback: function () {137                this.src = base64Image;138            },139            onreplaceCallback: function () {140                expect(testCase.image()).toExist();141                done();142            }143        });144    });145});146describe("justlazy.lazyLoad should invoke", function () {147    beforeEach(function () {148        loadFixtures("placeholders.html");149    });150    it("onloadCallback before replacement", function (done) {151        var testCase = selectTestCase("spanWithMandatoryAttributesOnly", withPlaceholder("span"));152        expect(testCase.image()).not.toHaveAttr("someKey", "someValue");153        Justlazy.lazyLoad(testCase.placeholder(), {154            onloadCallback: function () {155                expect(this).toHaveAttr("src", base64Image);156                expect(testCase.image()).not.toExist();157                done();158            },159            onerrorCallback: function () {160                fail();161            }162        });163    });164    it("onreplaceCallback after replacement", function (done) {165        var testCase = selectTestCase("spanWithMandatoryAttributesOnly", withPlaceholder("span"));166        Justlazy.lazyLoad(testCase.placeholder(), {167            onreplaceCallback: function () {168                expect(testCase.image()).toExist();169                done();170            },171            onerrorCallback: function () {172                fail();173            }174        });175    });176    it("onerrorCallback although the image could not be loaded", function (done) {177        var testCase = selectTestCase("spanWithoutExistingImage", withPlaceholder("span"));178        expect(testCase.placeholder()).toHaveAttr("data-src", "http://some.non.existing.server/foobar.gif");179        Justlazy.lazyLoad(testCase.placeholder(), {180            onerrorCallback: function () {181                this.src = base64Image;182            },183            onloadCallback: function () {184                expect(this).toHaveAttr("src", base64Image);185                done();186            }187        });188    });189});190describe("justlazy.lazyLoad should do nothing", function () {191    beforeEach(function () {192        loadFixtures("placeholders.html");193    });194    it("if data-src missing", function () {195        var testCase = selectTestCase("divWithMissingSrc", withPlaceholder("div"));196        expect(testCase.placeholder()).toExist();197        Justlazy.lazyLoad(testCase.placeholder(), {198            onerrorCallback: function () {199                fail();200            },201            onloadCallback: function () {202                fail();203            },204            onreplaceCallback: function () {205                fail();206            }207        });208    });209    it("if data-alt missing", function () {210        var testCase = selectTestCase("divWithMissingAlt", withPlaceholder("div"));211        expect(testCase.placeholder()).toExist();212        Justlazy.lazyLoad(testCase.placeholder(), {213            onerrorCallback: function () {214                fail();215            },216            onloadCallback: function () {217                fail();218            },219            onreplaceCallback: function () {220                fail();221            }222        });223    });...

get-subject.js

Source:get-subject.js

1// @flow2import { getRect, type Rect, type Spacing, type BoxModel } from 'css-box-model';3import type {4  Axis,5  Scrollable,6  DroppableSubject,7  PlaceholderInSubject,8} from '../../../types';9import executeClip from './clip';10import { offsetByPosition } from '../../spacing';11const scroll = (target: Spacing, frame: ?Scrollable): Spacing => {12  if (!frame) {13    return target;14  }15  return offsetByPosition(target, frame.scroll.diff.displacement);16};17const increase = (18  target: Spacing,19  axis: Axis,20  withPlaceholder: ?PlaceholderInSubject,21): Spacing => {22  if (withPlaceholder && withPlaceholder.increasedBy) {23    return {24      ...target,25      [axis.end]: target[axis.end] + withPlaceholder.increasedBy[axis.line],26    };27  }28  return target;29};30const clip = (target: Spacing, frame: ?Scrollable): ?Rect => {31  if (frame && frame.shouldClipSubject) {32    return executeClip(frame.pageMarginBox, target);33  }34  return getRect(target);35};36type Args = {|37  page: BoxModel,38  withPlaceholder: ?PlaceholderInSubject,39  axis: Axis,40  frame: ?Scrollable,41|};42export default ({43  page,44  withPlaceholder,45  axis,46  frame,47}: Args): DroppableSubject => {48  const scrolled: Spacing = scroll(page.marginBox, frame);49  const increased: Spacing = increase(scrolled, axis, withPlaceholder);50  const clipped: ?Rect = clip(increased, frame);51  return {52    page,53    withPlaceholder,54    active: clipped,55  };...

index.js

Source:index.js

1'use strict'2import ViewportTracker from './viewport/tracker'3import ViewportAware from './viewport/aware'4import WithPlaceHolder from './viewport/withPlaceHolder'5import WithEvents from './shared/WithEvents'6const Viewport = {7  Tracker: ViewportTracker,8  Aware: ViewportAware,9  WithPlaceHolder: WithPlaceHolder,10}11const Mixins = {12  WithEvents,13}14export { Viewport, Mixins }15export default {16  Viewport,17  Mixins,...

Using AI Code Generation

1import { WithPlaceholder } from 'storybook-root-decorator';2import { withKnobs } from '@storybook/addon-knobs';3export default {4};5export const Test = () => <div>Test</div>;6import { addDecorator } from '@storybook/react';7import { WithPlaceholder } from 'storybook-root-decorator';8addDecorator(WithPlaceholder);9import { WithPlaceholder } from 'storybook-root-decorator';10export default WithPlaceholder;11import { WithPlaceholder } from 'storybook-root-decorator';12import { withKnobs } from '@storybook/addon-knobs';13export default {14};15export const Test = () => <div>Test</div>;16import { WithPlaceholder } from 'storybook-root-decorator';17import { withKnobs } from '@storybook/addon-knobs';18export default {19};20export const Test = () => <div>Test</div>;21Test.story = {22  parameters: {23    placeholder: {24    }25  }26};

Using AI Code Generation

1import { WithPlaceholder } from "storybook-root-decorator";2import { storiesOf } from "@storybook/react";3import { action } from "@storybook/addon-actions";4storiesOf("Button", module)5  .addDecorator(WithPlaceholder)6  .add("with placeholder", () => (7    <button onClick={action("clicked")}>Hello Button</button>8  ));

Using AI Code Generation

1import { WithPlaceholder } from 'storybook-root-decorator';2export default {3};4const Template = () => (5);6export const Default = Template.bind({});7Default.args = {};8export const WithPlaceholder = Template.bind({});9WithPlaceholder.args = {10};11import { WithTheme } from 'storybook-root-decorator';12export default {13};14const Template = () => (15);16export const Default = Template.bind({});17Default.args = {};18export const WithTheme = Template.bind({});19WithTheme.args = {20};21MIT © [rajasegar](

Using AI Code Generation

1import { WithPlaceholder } from 'storybook-root-decorator';2import { storiesOf } from '@storybook/react';3import { withKnobs, text } from '@storybook/addon-knobs';4import { withInfo } from '@storybook/addon-info';5import { withA11y } from '@storybook/addon-a11y';6import { withReadme } from 'storybook-readme';7import readme from './README.md';8import Component from './Component';9const stories = storiesOf('Component', module);10stories.addDecorator(withKnobs);11stories.addDecorator(withInfo);12stories.addDecorator(withA11y);13stories.addDecorator(WithPlaceholder);14stories.addDecorator(withReadme(readme));15stories.add('Component', () => {16  const props = {17    name: text('Name', 'John Doe'),18  };19  return <Component {...props} />;20});21import React from 'react';22import PropTypes from 'prop-types';23const Component = ({ name }) => {24  return <div>Hello, {name}</div>;25};26Component.propTypes = {27};28export default Component;29import Component from 'path/to/Component';30MIT © [Rafael Escamilla](

Using AI Code Generation

1import { WithPlaceholder } from 'storybook-root-decorator';2const stories = storiesOf('MyStory', module);3stories.addDecorator(WithPlaceholder);4stories.add('with text', () => {5  return <MyStoryComponent />;6});7import { WithPlaceholder } from 'storybook-root-decorator';8storiesOf('MyStory', module)9  .addDecorator(WithPlaceholder)10  .add('with text', () => {11    return <MyStoryComponent />;12  });13import { WithPlaceholder } from 'storybook-root-decorator';14storiesOf('MyStory', module)15  .addDecorator(WithPlaceholder)16  .add('with text', () => {17    return <MyStoryComponent />;18  }, {19  });20import { WithPlaceholder } from 'storybook-root-decorator';21storiesOf('MyStory', module)22  .addDecorator(WithPlaceholder)23  .add('with text', () => {24    return <MyStoryComponent />;25  }, {26    placeholder: {27      style: {28      }29    }30  });31import { WithPlaceholder } from 'storybook-root-decorator';32storiesOf('MyStory', module)33  .addDecorator(WithPlaceholder)34  .add('with text', () => {35    return <MyStoryComponent />;36  }, {37    placeholder: {38      style: {39      },40    }41  });42import { WithPlaceholder }

Using AI Code Generation

1import WithPlaceholder from 'storybook-root-decorator';2const story = () => <div> Some text </div>;3export default WithPlaceholder(story, {4});5import WithPlaceholder from 'storybook-root-decorator';6const story = () => <div> Some text </div>;7export default {8  component: WithPlaceholder(story, {9  }),10};11import { withKnobs, text } from '@storybook/addon-knobs';12import WithPlaceholder from 'storybook-root-decorator';13const story = () => <div> Some text </div>;14export default {15  component: WithPlaceholder(story, {16    backgroundColor: text('backgroundColor', 'red'),17    height: text('height', '100px'),18    width: text('width', '100px'),19  }),20};

Using AI Code Generation

1import { WithPlaceholder } from 'storybook-root'2import { render } from 'react-dom'3const App = () => {4  return WithPlaceholder('my-placeholder')5}6render(<App />, document.getElementById('root'))7import { addDecorator, addParameters } from '@storybook/react'8import { withPlaceholder } from 'storybook-root'9addDecorator(withPlaceholder)10addParameters({11  placeholder: {12    import: 'storybook-root',13    importAndComponent: 'storybook-root',14  },15})16MIT © [gabrielrufino](

Using AI Code Generation

1import { WithPlaceholder } from 'storybook-root';2const test = () => (3);4export default test;5import React from 'react';6import { storiesOf } from '@storybook/react';7import Test from './test';8storiesOf('Test', module).add('default', () => (9));

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