113 lines
2.4 KiB
JavaScript
113 lines
2.4 KiB
JavaScript
import {html, css, LitElement, classMap} from 'lit'
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const openIcon = RAILS_ASSET_URL('/mingcute/hamburger_line.svg')
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const closeIcon = RAILS_ASSET_URL('/mingcute/close_fill.svg')
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export class SiteSidebar extends LitElement {
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static styles = css`
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:host {
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--padding: 0.25rem;
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--_button-size: var(--button-size, 2rem);
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--_button-offset: var(--button-offset, 2px);
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flex-basis: calc(var(--_button-size) + var(--_button-offset));
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}
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aside {
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position: fixed;
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left: 0;
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top: 0;
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height: 100%;
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width: min(15em, 30%);
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background: var(--background);
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color: var(--color);
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box-shadow: calc(var(--_button-size) / 2 + var(--_button-offset)) 0 var(--background);
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transform: translateX(-100%);
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transition: transform 0.2s ease;
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box-sizing: border-box;
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padding-block: var(--padding);
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isolation: isolate;
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z-index: 99;
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&.open {
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transform: none;
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}
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}
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.padding {
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padding-inline: var(--padding);
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}
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.toggle-button {
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display: inline-block;
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font-size: 1.5rem;
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height: var(--_button-size);
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width: var(--_button-size);
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padding: 0;
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text-align: center;
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vertical-align: middle;
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border-radius: 50%;
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box-sizing: border-box;
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position: absolute;
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left: calc(100% + var(--_button-offset));
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}
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.bg {
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transition: opacity 0.2s ease;
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transition-behavior: allow-discrete;
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background: black;
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opacity: 0.6;
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position: fixed;
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inset: 0;
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@starting-style {
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opacity: 0;
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}
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}
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`
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static properties = {
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open: {type: Boolean}
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}
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constructor() {
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super()
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this.open = false
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}
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render() {
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const classes = {
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open: this.open
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}
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return html`
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<aside class="${classMap(classes)}">
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<button class="toggle-button" @click="${this._toggleOpen}">
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<img src="${this.open ? closeIcon : openIcon}">
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</button>
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<div class="padding">
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<slot></slot>
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</div>
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</aside>
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${this._bg()}
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`
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}
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_bg() {
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if(!this.open) return null
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return html`<div class="bg" @click="${this._toggleOpen}"></div>`
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}
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_toggleOpen() {
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this.open = !this.open
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}
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}
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