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https://github.com/privacyguides/privacyguides.org.git
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66 lines
2.6 KiB
JavaScript
66 lines
2.6 KiB
JavaScript
/**
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* @overview Randomizes the order of an HTML element's children.
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* @author Jonah Aragon <jonah@triplebit.net>
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* @license
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* Copyright (c) 2024 Jonah Aragon
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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// Fetch global data from meta tag
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let globalData = document.querySelector("#global-data");
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if (globalData.dataset.randomizeElement) {
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// Get elements to be randomized from meta tag in HTML
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let randomizeElement = globalData.dataset.randomizeElement;
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console.log("Randomizing child elements of " + randomizeElement);
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// Get all elements to be randomized
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let randomizeChildren = document.querySelectorAll(randomizeElement);
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let randomizeArray = Array.from(randomizeChildren);
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// Handle multiple elements to be randomized
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for (const element of randomizeArray) {
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let selector = " > *";
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if (globalData.dataset.randomizeElementSelector) {
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selector = globalData.dataset.randomizeElementSelector
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}
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// Select all direct children of element
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let children = element.querySelectorAll(randomizeElement + selector);
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// Randomize rows (simple, probably not efficient)
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let randomChildren = Array.from(children)
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.map(value => ({ value, sort: Math.random() }))
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.sort((a, b) => a.sort - b.sort)
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.map(({ value }) => value);
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// Replace each element with randomly selected element
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for (let i = 0; i < children.length; i++) {
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let child = randomChildren[i].cloneNode(true);
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child.classList.add("randomized");
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let parent = children[i].parentNode;
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parent.insertBefore(child, children[i]);
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children[i].remove();
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}
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}
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}
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