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rayrayzayzay/weakmap.ts

Created May 12, 2023 22:34
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weakmap.ts
const cache = new WeakMap<ElementCoords, Path2D>()
function getCachedPath(element) {
const fromCache = cache.get(element.coords)
if (fromCache) return fromCache;
const path = calculatePath(element.coords);
cache.set(element.coords, path);
return path;
}
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