@pacote/memoize - npm Package Compare versions

Comparing version 2.0.1 to 2.0.2

CHANGELOG.md

@@ -6,2 +6,8 @@ # Change Log
 
+## [2.0.2](https://github.com/PacoteJS/pacote/compare/@pacote/memoize@2.0.1...@pacote/memoize@2.0.2) (2023-06-15)
+
+### Performance Improvements
+
+- ⚡️ use Map for memoize cache ([407ea26](https://github.com/PacoteJS/pacote/commit/407ea2666283d23255a82b5563c64cccf1b31805))
+
 ## [2.0.1](https://github.com/PacoteJS/pacote/compare/@pacote/memoize@2.0.0...@pacote/memoize@2.0.1) (2023-04-22)
@@ -8,0 +14,0 @@

lib/cjs/index.js

@@ -5,9 +5,7 @@ "use strict";
 function createCache() {
-    var cache = {};
+    var cache = new Map();
     return {
-        has: function (key) { return Object.hasOwnProperty.call(cache, key); },
-        get: function (key) { return cache[key]; },
-        set: function (key, value) {
-            cache[key] = value;
-        },
+        has: function (key) { return cache.has(key); },
+        get: function (key) { return cache.get(key); },
+        set: function (key, value) { return cache.set(key, value); },
     };
@@ -26,2 +24,3 @@ }
         }
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
         return cache.get(key);
@@ -28,0 +27,0 @@ };

lib/esm/index.js

 function createCache() {
-    const cache = {};
+    const cache = new Map();
     return {
-        has: (key) => Object.hasOwnProperty.call(cache, key),
-        get: (key) => cache[key],
-        set: (key, value) => {
-            cache[key] = value;
-        },
+        has: (key) => cache.has(key),
+        get: (key) => cache.get(key),
+        set: (key, value) => cache.set(key, value),
     };
@@ -18,2 +16,3 @@ }
         }
+        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
         return cache.get(key);
@@ -20,0 +19,0 @@ };

package.json

 {
   "name": "@pacote/memoize",
   "description": "Memoization function.",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "sideEffects": false,
@@ -37,3 +37,3 @@ "license": "MIT",
   },
-  "gitHead": "d0e1f3f1f0b32a28cf51f226dd2c9d247503b4ee"
+  "gitHead": "fbaede424db38eb61497d56835a012e23ab774f2"
 }

src/index.ts

 type Fn<A extends any[], R> = (...args: A) => R
 
-interface Cache<R> {
-  [key: string]: R
-}
-
 function createCache<R>() {
-  const cache: Cache<R> = {}
+  const cache = new Map<string, R>()
 
   return {
-    has: (key: string) => Object.hasOwnProperty.call(cache, key),
-
-    get: (key: string) => cache[key],
-
-    set: (key: string, value: R) => {
-      cache[key] = value
-    },
+    has: (key: string) => cache.has(key),
+    get: (key: string) => cache.get(key),
+    set: (key: string, value: R) => cache.set(key, value),
   }
@@ -34,4 +26,5 @@ }
 
-    return cache.get(key)
+    // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
+    return cache.get(key)!
   }
 }

No alert changes

Improved metrics

Total package byte prevSize

10159

4.21%

Worsened metrics

Lines of code

95

-5.94%

No dependency changes