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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,31 +1,39 @@ | ||
| /// <reference types="cypress" /> | ||
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| var routes = ['/', '/vue3.html'] | ||
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| describe('vue observe visibility', () => { | ||
| it('detects visibility when scrolling', () => { | ||
| cy.visit('/') | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| cy.get('.test').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('be.checked') | ||
| cy.get('.info').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| for (var i = 0; i < routes.length; i++) { | ||
| cy.visit(routes[i]) | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| cy.get('.test').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('be.checked') | ||
| cy.get('.info').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| } | ||
| }) | ||
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| it('detects visibility when toggling the element', () => { | ||
| cy.visit('/') | ||
| cy.get('.test').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('be.checked') | ||
| cy.get('.toggle').click() | ||
| cy.get('.test').should('not.be.visible') | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| cy.get('.toggle').click() | ||
| cy.get('.test').should('be.visible') | ||
| cy.get('[id="is-visible"]').should('be.checked') | ||
| for (var i = 0; i < routes.length; i++) { | ||
| cy.visit(routes[i]) | ||
| cy.get('.test').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('be.checked') | ||
| cy.get('.toggle').click() | ||
| cy.get('.test').should('not.be.visible') | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| cy.get('.toggle').click() | ||
| cy.get('.test').should('be.visible') | ||
| cy.get('[id="is-visible"]').should('be.checked') | ||
| } | ||
| }) | ||
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| it('can be disabled', () => { | ||
| cy.visit('/') | ||
| cy.get('[id="disabled"]').click().should('be.checked') | ||
| cy.get('.test').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| for (var i = 0; i < routes.length; i++) { | ||
| cy.visit(routes[i]) | ||
| cy.get('[id="disabled"]').click().should('be.checked') | ||
| cy.get('.test').scrollIntoView() | ||
| cy.get('[id="is-visible"]').should('not.be.checked') | ||
| } | ||
| }) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,169 @@ | ||
| <html> | ||
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| <head> | ||
| <style> | ||
| body { | ||
| font-family: sans-serif; | ||
| } | ||
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| #app { | ||
| padding: 100px; | ||
| } | ||
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| .toolbar { | ||
| position: fixed; | ||
| bottom: 12px; | ||
| left: 0; | ||
| width: 100%; | ||
| } | ||
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| .toolbar .wrapper { | ||
| background: white; | ||
| padding: 12px; | ||
| border-radius: 3px; | ||
| box-shadow: 0 5px 20px rgba(0, 0, 0, 0.07); | ||
| display: flex; | ||
| align-items: center; | ||
| border: #eee 1px solid; | ||
| } | ||
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| .toolbar .wrapper>*:not(:last-child) { | ||
| margin-right: 6px; | ||
| } | ||
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| .separator { | ||
| margin: 0 12px; | ||
| } | ||
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| .info { | ||
| color: #eee; | ||
| } | ||
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| .test { | ||
| background: #eee; | ||
| height: 100%; | ||
| border-radius: 3px; | ||
| flex-direction: column; | ||
| } | ||
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| .info, | ||
| .test { | ||
| font-size: 42px; | ||
| } | ||
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| .test-wrapper { | ||
| margin: 3000px 0; | ||
| height: 400px; | ||
| } | ||
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| .toolbar, | ||
| .info, | ||
| .test { | ||
| display: flex; | ||
| align-items: center; | ||
| justify-content: center; | ||
| } | ||
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| input[type="number"] { | ||
| width: 90px; | ||
| } | ||
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| .number { | ||
| display: inline-block; | ||
| width: 40px; | ||
| font-family: monospace; | ||
| text-align: center; | ||
| background: #eee; | ||
| border-radius: 3px; | ||
| padding: 4px 0; | ||
| } | ||
| </style> | ||
| </head> | ||
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| <body> | ||
| <div id="app"> | ||
| <div class="toolbar"> | ||
| <div class="wrapper"> | ||
| <input id="is-visible" type="checkbox" v-model="isVisible" disabled> | ||
| <label for="is-visible">Is visible?</label> | ||
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| <input id="disabled" type="checkbox" v-model="disabled"> | ||
| <label for="disabled">Disable</label> | ||
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| <span class="separator"></span> | ||
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| <button class="toggle" @click="show = !show">Toggle</button> | ||
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| <span class="separator"></span> | ||
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| <label for="throttle">Throttle</label> | ||
| <input id="throttle" type="number" v-model="throttle" min="0" step="100"> | ||
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| <input id="throttle-leading-visible" type="checkbox" v-model="leadingVisible"> | ||
| <label for="throttle-leading-visible">Leading (Visible)</label> | ||
| <input id="throttle-leading-hidden" type="checkbox" v-model="leadingHidden"> | ||
| <label for="throttle-leading-hidden">Leading (Hidden)</label> | ||
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| <span class="separator"></span> | ||
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| <label for="threshold">Threshold</label> | ||
| <span class="number">{{ threshold }}</span> | ||
| <input type="range" v-model="threshold" min="0" max="1" step="0.01"> | ||
| <input id="once" type="checkbox" v-model="once"> | ||
| <label for="once">Once</label> | ||
| </div> | ||
| </div> | ||
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| <div class="info">Scroll down</div> | ||
| <div class="test-wrapper"> | ||
| <div v-show="show" ref="test" class="test" v-observe-visibility="disabled ? false : { | ||
| callback: visibilityChanged, | ||
| throttle, | ||
| throttleOptions: { | ||
| leading: leadingVisible && leadingHidden ? 'both' : leadingVisible ? 'visible' : leadingHidden ? 'hidden' : false, | ||
| }, | ||
| intersection: { | ||
| threshold, | ||
| }, | ||
| once, | ||
| }"> | ||
| <div v-for="n in count">Hello world!</div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
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| <script src="https://unpkg.com/[email protected]/dist/vue.global.js"></script> | ||
| <script src="./dist/vue-observe-visibility.min.js"></script> | ||
| <script> | ||
| // App | ||
| const app = Vue.createApp({ | ||
| data() { | ||
| return { | ||
| show: true, | ||
| isVisible: true, | ||
| throttle: 0, | ||
| leadingVisible: false, | ||
| leadingHidden: false, | ||
| threshold: 0, | ||
| count: 1, | ||
| once: false, | ||
| disabled: false, | ||
| } | ||
| }, | ||
| methods: { | ||
| visibilityChanged: function (isVisible, entry) { | ||
| this.isVisible = isVisible | ||
| this.count++ | ||
| console.log('is visible:', isVisible, 'intersection:', Math.round(entry.intersectionRatio * 100) + '%') | ||
| } | ||
| } | ||
| }) | ||
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| app.use(VueObserveVisibility) | ||
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| app.mount('#app') | ||
| </script> | ||
| </body> | ||
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| </html> |