1 files changed, 45 insertions, 0 deletions
diff --git a/school/node_modules/graphql/jsutils/memoize3.js b/school/node_modules/graphql/jsutils/memoize3.js
new file mode 100644
index 0000000..db98f3f
--- /dev/null
+++ b/school/node_modules/graphql/jsutils/memoize3.js
@@ -0,0 +1,45 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = memoize3;
+
+/**
+ * Memoizes the provided three-argument function.
+ */
+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;
+  };
+}