github-pages-deploy-action/node_modules/graphql/jsutils/memoize3.js
2020-03-06 22:45:40 -05:00

49 lines
826 B
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = memoize3;
/**
* Memoizes the provided three-argument function.
*/
function memoize3(fn) {
var cache0;
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;
}
return memoized;
}