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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: !0
  4. });
  5. var weakMemoize = function(func) {
  6. var cache = new WeakMap();
  7. return function(arg) {
  8. if (cache.has(arg)) return cache.get(arg);
  9. var ret = func(arg);
  10. return cache.set(arg, ret), ret;
  11. };
  12. };
  13. exports.default = weakMemoize;