@figliolia/ripples/dist/mjs/StyleCache.js

WebGL ripples based on the clever work of Pim Schreurs

export class StyleCache extends Map {
    constructor() {
        super([
            ["zIndex", ""],
            ["position", ""],
            ["backgroundWidth", 0],
            ["backgroundHeight", 0],
            ["originalInlineCSS", ""],
            ["originalCSSBackgroundImage", ""],
        ]);
    }
    initialize(target) {
        const { position, zIndex, backgroundImage } = window.getComputedStyle(target);
        this.set("zIndex", zIndex);
        this.set("position", position);
        this.set("originalCSSBackgroundImage", backgroundImage);
        this.set("originalInlineCSS", target.style.backgroundImage);
    }
    get(key) {
        return super.get(key);
    }
    evict(key) {
        return super.set(key, "");
    }
}