forked from AbleOS/holey-bytes
96 lines
3 KiB
JavaScript
96 lines
3 KiB
JavaScript
//// @ts-check
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if (window.location.hostname === 'localhost') {
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let id; setInterval(async () => {
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let new_id = await fetch('/hot-reload').then(reps => reps.text());
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id ??= new_id;
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if (id !== new_id) window.location.reload();
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}, 300);
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}
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document.body.addEventListener('htmx:afterSwap', (ev) => {
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wireUp(ev.target);
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});
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wireUp(document.body);
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/** @param {HTMLElement} target */
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function wireUp(target) {
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execApply(target);
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cacheInputs(target);
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bindTextareaAutoResize(target);
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}
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/** @param {string} content @return {string} */
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function fmtTimestamp(content) {
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new Date(parseInt(content) * 1000).toLocaleString()
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}
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/** @param {HTMLElement} target */
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function execApply(target) {
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/**@type {HTMLElement}*/ let elem;
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for (elem of target.querySelectorAll('[apply]')) {
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const funcname = elem.getAttribute('apply');
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elem.textContent = window[funcname](elem.textContent);
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}
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}
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/** @param {HTMLElement} target */
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function bindTextareaAutoResize(target) {
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/**@type {HTMLTextAreaElement}*/ let textarea;
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for (textarea of target.querySelectorAll("textarea")) {
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textarea.style.height = textarea.scrollHeight + "px";
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textarea.style.overflowY = "hidden";
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textarea.addEventListener("input", function() {
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textarea.style.height = "auto";
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textarea.style.height = textarea.scrollHeight + "px";
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});
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textarea.onkeydown = (ev) => {
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const selecting = textarea.selectionStart !== textarea.selectionEnd;
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if (ev.key === "Tab") {
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ev.preventDefault();
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const prevPos = textarea.selectionStart;
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textarea.value = textarea.value.slice(0, textarea.selectionStart) +
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' ' + textarea.value.slice(textarea.selectionEnd);
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textarea.selectionStart = textarea.selectionEnd = prevPos + 4;
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}
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if (ev.key === "Backspace" && textarea.selectionStart != 0 && !selecting) {
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let i = textarea.selectionStart, looped = false;
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while (textarea.value.charCodeAt(--i) === ' '.charCodeAt(0)) looped = true;
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if (textarea.value.charCodeAt(i) === '\n'.charCodeAt(0) && looped) {
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ev.preventDefault();
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let toDelete = (textarea.selectionStart - (i + 1)) % 4;
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if (toDelete === 0) toDelete = 4;
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const prevPos = textarea.selectionStart;
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textarea.value = textarea.value.slice(0, textarea.selectionStart - toDelete) +
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textarea.value.slice(textarea.selectionEnd);
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textarea.selectionStart = textarea.selectionEnd = prevPos - toDelete;
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}
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}
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}
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}
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}
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/** @param {HTMLElement} target */
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function cacheInputs(target) {
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/**@type {HTMLFormElement}*/ let form;
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for (form of target.querySelectorAll('form')) {
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const path = form.getAttribute('hx-post') || form.getAttribute('hx-delete');
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if (!path) {
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console.warn('form does not have a hx-post or hx-delete attribute', form);
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continue;
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}
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/**@type {HTMLInputElement}*/ let input;
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for (input of form.elements) {
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if ('password submit button'.includes(input.type)) continue;
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const key = path + input.name;
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input.value = localStorage.getItem(key) ?? '';
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input.addEventListener("input", (ev) => localStorage.setItem(key, ev.target.value));
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}
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}
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}
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