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import {createTippy} from '../modules/tippy.ts';
import type {DOMEvent} from '../utils/dom.ts';
import {registerGlobalInitFunc} from '../modules/observer.ts';
export async function initColorPickers() {
let imported = false;
registerGlobalInitFunc('initColorPicker', async (el) => {
if (!imported) {
await Promise.all([
import(/* webpackChunkName: "colorpicker" */'vanilla-colorful/hex-color-picker.js'),
import(/* webpackChunkName: "colorpicker" */'../../css/features/colorpicker.css'),
]);
imported = true;
}
initPicker(el);
});
}
function updateSquare(el: HTMLElement, newValue: string): void {
el.style.color = /#[0-9a-f]{6}/i.test(newValue) ? newValue : 'transparent';
}
function updatePicker(el: HTMLElement, newValue: string): void {
el.setAttribute('color', newValue);
}
function initPicker(el: HTMLElement): void {
const input = el.querySelector('input');
const square = document.createElement('div');
square.classList.add('preview-square');
updateSquare(square, input.value);
el.append(square);
const picker = document.createElement('hex-color-picker');
picker.addEventListener('color-changed', (e) => {
input.value = e.detail.value;
input.focus();
updateSquare(square, e.detail.value);
});
input.addEventListener('input', (e: DOMEvent<Event, HTMLInputElement>) => {
updateSquare(square, e.target.value);
updatePicker(picker, e.target.value);
});
createTippy(input, {
trigger: 'focus click',
theme: 'bare',
hideOnClick: true,
content: picker,
placement: 'bottom-start',
interactive: true,
onShow() {
updatePicker(picker, input.value);
},
});
// init random color & precolors
const setSelectedColor = (color: string) => {
input.value = color;
input.dispatchEvent(new Event('input', {bubbles: true}));
updateSquare(square, color);
};
el.querySelector('.generate-random-color').addEventListener('click', () => {
const newValue = `#${Math.floor(Math.random() * 0xFFFFFF).toString(16).padStart(6, '0')}`;
setSelectedColor(newValue);
});
for (const colorEl of el.querySelectorAll<HTMLElement>('.precolors .color')) {
colorEl.addEventListener('click', (e: DOMEvent<MouseEvent, HTMLAnchorElement>) => {
const newValue = e.target.getAttribute('data-color-hex');
setSelectedColor(newValue);
});
}
}
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