169 lines
4.4 KiB
Plaintext
169 lines
4.4 KiB
Plaintext
<label class="switch-input">
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<span class="visually-hidden">Enable setting</span>
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<input type="checkbox" role="switch" class="visually-hidden" />
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<span class="switch-input__thumb" aria-hidden="true"></span>
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</label>
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<script type="module">
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customElements.define('theme-switcher', class extends HTMLElement {
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currentTheme
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preferDark
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constructor() {
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super()
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this.preferDark = window.matchMedia("(prefers-color-scheme: dark)")
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}
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connectedCallback() {
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const checkbox = this.querySelector('input[type="checkbox"]')
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this.currentTheme = localStorage.getItem('theme')
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if (this.currentTheme == 'dark') {
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checkbox.checked = true
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document.body.classList.toggle('dark')
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} else if (this.currentTheme == 'light') {
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checkbox.checked = false
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document.body.classList.toggle('light')
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} else {
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console.log(this.preferDark)
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checkbox.checked = this.preferDark
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}
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checkbox.addEventListener('click', () => {
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let theme
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if (this.preferDark.matches) {
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document.body.classList.toggle("light")
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theme = document.body.classList.contains("light")
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? "light"
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: "dark"
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} else {
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document.body.classList.toggle("dark")
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theme = document.body.classList.contains("dark")
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? "dark"
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: "light"
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}
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localStorage.setItem("theme", theme)
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})
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}
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})
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</script>
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<style webc:scoped>
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/* Styles */
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:host {
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--switch-input-thumb-size: 0.88em;
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--switch-input-thumb-bg: var(--bg-colour);
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--switch-input-thumb-stroke: 1px solid var(--primary-colour-25);
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--switch-input-off-bg: var(--neutral-100);
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--switch-input-off-text: var(--neutral-900);
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--switch-input-on-bg: var(--neutral-100-25);
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--switch-input-on-text: var(--neutral-100);
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--switch-input-gutter: 1px;
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--switch-input-decor-space: var(--switch-input-gutter) 0.5ch;
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--switch-input-focus-stroke: 2px solid #ff6978;
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--switch-input-font-weight: bold;
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/* --switch-input-font-family: sans-serif; */
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--switch-input-font-size: 50cqw;
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--switch-input-transition: inset 50ms linear;
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display: grid;
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}
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.visually-hidden {
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border: 0;
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clip: rect(0 0 0 0);
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height: auto;
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margin: 0;
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overflow: hidden;
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padding: 0;
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position: absolute;
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width: 1px;
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white-space: nowrap;
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}
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.switch-input {
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width: calc(
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(var(--switch-input-thumb-size) * 2) + (var(--switch-input-gutter) * 3)
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);
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height: calc(
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var(--switch-input-thumb-size) + (var(--switch-input-gutter) * 2)
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);
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border-radius: calc(
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var(--switch-input-thumb-size) + var(--switch-input-gutter)
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);
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padding: var(--switch-input-gutter);
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background: var(--switch-input-off-bg);
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color: var(--switch-input-off-text);
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text-align: left;
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text-transform: uppercase;
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font-family: var(--switch-input-font-family);
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font-weight: var(--switch-input-font-weight);
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position: relative;
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cursor: pointer;
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container-type: inline-size;
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}
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.switch-input__decor {
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position: absolute;
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inset-block: 0;
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inset-inline-start: 0;
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padding: var(--switch-input-decor-space);
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/* Font size lives here because we wanna use container units */
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font-size: var(--switch-input-font-size);
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/* Legacy */
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display: flex;
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width: 100%;
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/* align-items: center; */
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/* Future */
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/* align-content: center; */
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/* display: block;
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block-size: 100%; */
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user-select: none;
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}
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.switch-input__decor[data-switch-input-state="off"] {
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justify-content: flex-end;
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}
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.switch-input__thumb {
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display: block;
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width: var(--switch-input-thumb-size);
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height: var(--switch-input-thumb-size);
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border-radius: var(--switch-input-thumb-size);
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background: var(--switch-input-thumb-bg);
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border: var(--switch-input-thumb-stroke);
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z-index: 1;
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position: absolute;
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inset-block-start: var(--switch-input-gutter);
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inset-inline-start: var(--switch-input-gutter);
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transition: var(--switch-input-transition);
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}
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/* Could do this */
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/* .switch-input:has(:focus) .switch-input__thumb {
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outline: var(--switch-input-focus-stroke);
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} */
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/* Better pointer experience. Still uses has because focus visible would have to be put direct on the checkbox */
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.switch-input:has(:focus-visible) .switch-input__thumb {
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outline: var(--switch-input-focus-stroke);
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}
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.switch-input:has(:checked) {
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background: var(--switch-input-on-bg);
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color: var(--switch-input-on-text);
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}
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.switch-input:has(:checked) .switch-input__thumb {
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inset-inline-start: calc(
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var(--switch-input-thumb-size) + (var(--switch-input-gutter) * 2)
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);
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}
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</style>
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