Andreas Reinhold / reiniandClaude Opus 5
f86afc0542
<x-checkbox> renders data-md-checkbox, its box, tick and dash, and its row, text and errors as data-md-* attributes; the 18px tick takes a size prop and a label-less box md-touch-target (plan step 36). selection.css moves into material.components as the row, text and state layer the three controls share, and each control's drawing goes to its own file: checkbox.css, radio.css, toggle.css, on the state tokens. The radio and the switch take the renamed shared hooks now and lose their layout classes in their own commits. field.js follows data-md-indeterminate. Renaming the switch's data-handle also stops selection.css matching the slider's handles, which it drew 24px above the track. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Qwx5USif3wFFmxtHg5U1g9
84 lines
3.0 KiB
JavaScript
84 lines
3.0 KiB
JavaScript
/**
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* What the form controls need from script, which is little: both are kept off Alpine so they work
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* in any markup and before Alpine starts.
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*
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* `<x-textarea>` grows with its text. CSS does that where the browser can size a field to its
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* content (`field-sizing: content`, components/field.css); elsewhere the height is set here from
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* the scroll height, on every input and whenever a Livewire render or navigation puts a new value
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* in.
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*
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* `<x-checkbox indeterminate>`: HTML has no attribute for a checkbox's mixed state, only the
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* `indeterminate` property, so the component marks the input `data-md-indeterminate` and this keeps
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* the property in step with the mark — when the page loads, and when a render adds or removes the
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* mark. A person pressing the box clears the property as the browser always does; the mark stays
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* until the server decides again.
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*/
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const GROWING = 'textarea[data-md-autogrow]'
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const MIXED = 'input[type="checkbox"][data-md-indeterminate]'
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const growsByItself = window.CSS?.supports?.('field-sizing', 'content') ?? false
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function grow(textarea) {
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textarea.style.height = 'auto'
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textarea.style.height = `${textarea.scrollHeight + textarea.offsetHeight - textarea.clientHeight}px`
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}
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function growAll(root) {
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if (! growsByItself) {
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root.querySelectorAll(GROWING).forEach(grow)
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}
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}
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function markAll(root) {
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root.querySelectorAll(MIXED).forEach((input) => (input.indeterminate = true))
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}
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if (! growsByItself) {
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document.addEventListener('input', (event) => {
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if (event.target instanceof HTMLTextAreaElement && event.target.matches(GROWING)) {
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grow(event.target)
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}
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})
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document.addEventListener('livewire:init', () => {
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// A render that only puts a new value in a textarea changes no attribute or node.
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window.Livewire.hook('morphed', ({ el }) => growAll(el))
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})
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}
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new MutationObserver((records) => {
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for (const record of records) {
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if (record.type === 'attributes') {
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if (record.attributeName === 'data-md-indeterminate' && record.target instanceof HTMLInputElement) {
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record.target.indeterminate = record.target.hasAttribute('data-md-indeterminate')
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} else if (! growsByItself && record.target.matches(GROWING)) {
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grow(record.target)
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}
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continue
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}
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for (const node of record.addedNodes) {
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if (node.nodeType !== Node.ELEMENT_NODE) {
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continue
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}
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for (const input of [node, ...node.querySelectorAll(MIXED)].filter((element) => element.matches(MIXED))) {
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input.indeterminate = true
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}
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if (! growsByItself) {
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;[node, ...node.querySelectorAll(GROWING)].filter((element) => element.matches(GROWING)).forEach(grow)
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}
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}
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}
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}).observe(document.documentElement, {
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subtree: true,
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childList: true,
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attributes: true,
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attributeFilter: ['data-md-indeterminate', 'data-md-autogrow'],
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})
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markAll(document)
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growAll(document)
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