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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| // // ES6 class | ||
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| const css = /* css */` | ||
| button { | ||
| appearance: none; | ||
| border: none; | ||
| background: none; | ||
| all: inherit; | ||
| padding-top: 16px; | ||
| border-top: 1px solid #333; | ||
| margin-top: 24px; | ||
| } | ||
| button:focus [name="summary"] { | ||
| outline: 1px solid blue; | ||
| } | ||
| [name="summary"] { | ||
| background: none; | ||
| display: block; | ||
| cursor: pointer; | ||
| user-select: none; | ||
| display: block; | ||
| font-family: 'Inter Tight', sans-serif; | ||
| font-size: 16px; | ||
| line-height: 24px; | ||
| position: relative; | ||
| } | ||
| [name="summary"]:after { | ||
| content: ""; | ||
| display: block; | ||
| position: absolute; | ||
| right: 0; | ||
| top: 0px; | ||
| width: 16px; | ||
| height: 24px; | ||
| background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 2 6 6 2 2' stroke='%23D4AF37' stroke-width='2' stroke-miterlimit='10' stroke-linecap='square'/%3E%3C/svg%3E"); | ||
| background-repeat: no-repeat; | ||
| background-position: center; | ||
| transition: transform 100ms ease-out; | ||
| } | ||
| /* kept because it's nice to know | ||
| ::slotted([slot="details"]) { | ||
| text-decoration: underline; | ||
| } | ||
| */ | ||
| :host([open]) [name="summary"]:after { | ||
| transform: rotate(180deg); | ||
| } | ||
| :host([open]) button { | ||
| margin-top: 0px; | ||
| } | ||
| .details { | ||
| display: flex; | ||
| flex-direction: column-reverse; | ||
| } | ||
| @media screen and (min-width: 420px) { | ||
| [name="summary"], button { | ||
| display: none; | ||
| } | ||
| [name="details"] { | ||
| display: block !important; | ||
| } | ||
| } | ||
| `; | ||
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| const template = document.createElement('template'); | ||
| template.innerHTML = /*html*/ ` | ||
| <style> | ||
| ${css} | ||
| </style> | ||
| <div class="details"> | ||
| <button><slot name="summary">More details</slot></button> | ||
| <slot name="details"></slot> | ||
| </div>`; | ||
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| class RemDetails extends HTMLElement { | ||
|
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| _open = false; | ||
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| constructor() { | ||
| super(); | ||
| console.log('construct'); | ||
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| const children = template.content.cloneNode(true); | ||
|
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| // parent node gets us the button it's wrapped in | ||
| const summary = children.querySelector('slot[name="summary"]').parentNode; | ||
| summary.onclick = (e) => this.open = !this.open; | ||
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| this.details = children.querySelector('slot[name="details"]'); | ||
|
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| // mode: open - means accessed in user code | ||
| const shadow = this.attachShadow({ mode: 'open', delegatesFocus: true }).appendChild(children); | ||
|
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| const title = this.shadowRoot.host.getAttribute('title'); | ||
|
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| const open = !!this.shadowRoot.host.getAttribute('open'); | ||
| this.open = open; | ||
| } | ||
|
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| get open() { | ||
| return this._open; | ||
| } | ||
|
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| set open(value) { | ||
| const open = value; | ||
| this.details.hidden = !open; | ||
| if (open) { | ||
| this.shadowRoot.host.setAttribute('open', ''); | ||
| } else { | ||
| this.shadowRoot.host.removeAttribute('open'); | ||
| } | ||
|
|
||
| this._open = open; | ||
| } | ||
| } | ||
| window.customElements.define('rem-details', RemDetails); |
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