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authorMinteck <contact@minteck.org>2023-01-10 14:54:04 +0100
committerMinteck <contact@minteck.org>2023-01-10 14:54:04 +0100
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+/**
+ * Memoizes the provided three-argument function.
+ */
+export default function memoize3(fn) {
+ var cache0;
+ return function memoized(a1, a2, a3) {
+ if (!cache0) {
+ cache0 = new WeakMap();
+ }
+
+ var cache1 = cache0.get(a1);
+ var cache2;
+
+ if (cache1) {
+ cache2 = cache1.get(a2);
+
+ if (cache2) {
+ var cachedValue = cache2.get(a3);
+
+ if (cachedValue !== undefined) {
+ return cachedValue;
+ }
+ }
+ } else {
+ cache1 = new WeakMap();
+ cache0.set(a1, cache1);
+ }
+
+ if (!cache2) {
+ cache2 = new WeakMap();
+ cache1.set(a2, cache2);
+ }
+
+ var newValue = fn(a1, a2, a3);
+ cache2.set(a3, newValue);
+ return newValue;
+ };
+}