User:Trang Oul/common.js

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'use strict';
mw.loader.using([]).then(() => {
	const getMode = () => {
		return localStorage.getItem('d2Mode') || 'd2';
	};
	const fallbackOrder = {
		d2r: ['d2r', 'd2rLowend', 'd2'],
		d2rLowend: ['d2rLowend', 'd2r', 'd2'],
		d2: ['d2', 'd2rLowend', 'd2r']
	};
	const applyImages = () => {
		const mode = getMode();
		const order = fallbackOrder[mode] || fallbackOrder.d2;
		const containers = document.querySelectorAll('.d2image');
		for (const container of containers) {
			const variants = container.querySelectorAll('.d2image-variant');
			let selected = null;
			for (const candidate of order) {
				selected = Array.from(variants)
					.find(v => v.dataset.variant === candidate);
				if (selected) {
					break;
				}
			}
			if (!selected) {
				continue;
			}
			for (const variant of variants) {
				variant.style.display = 'none';
			}
			selected.style.display = '';
		}
	};
	applyImages();
});