@formatjs/fast-memoize - npm Package Compare versions

Comparing version 2.2.7 to 3.0.0

index.d.ts

@@ -25,3 +25,3 @@ type Func = (...args: any[]) => any;
 }
-export declare function memoize<F extends Func>(fn: F, options?: Options<F>): F | ((arg: any) => any);
+export declare function memoize<F extends Func>(fn: F, options?: Options<F>): F;
 export type StrategyFn = <F extends Func>(this: unknown, fn: F, cache: DefaultCache<string, ReturnType<F>>, serializer: Serializer, arg: any) => any;
@@ -28,0 +28,0 @@ export interface Strategies<F extends Func> {

index.js

@@ -1,9 +0,5 @@
-"use strict";
 //
 // Main
 //
-Object.defineProperty(exports, "__esModule", { value: true });
-exports.strategies = void 0;
-exports.memoize = memoize;
-function memoize(fn, options) {
+export function memoize(fn, options) {
     var cache = options && options.cache ? options.cache : cacheDefault;
@@ -81,5 +77,5 @@ var serializer = options && options.serializer ? options.serializer : serializerDefault;
 };
-exports.strategies = {
+export var strategies = {
     variadic: strategyVariadic,
     monadic: strategyMonadic,
 };

package.json

 {
   "name": "@formatjs/fast-memoize",
   "description": "fork of fast-memoize and support esm",
-  "version": "2.2.7",
+  "version": "3.0.0",
   "license": "MIT",
   "author": "Long Ho <[e-mail]>",
+  "type": "module",
+  "sideEffects": false,
+  "types": "index.d.ts",
+  "exports": {
+    ".": "./index.js"
+  },
   "dependencies": {
@@ -18,5 +24,3 @@ "tslib": "^2.8.0"
   ],
-  "main": "index.js",
-  "module": "lib/index.js",
   "repository": "formatjs/formatjs.git"
 }

lib/index.d.ts

-type Func = (...args: any[]) => any;
-export interface Cache<K, V> {
-    create: CacheCreateFunc<K, V>;
-}
-interface CacheCreateFunc<K, V> {
-    (): DefaultCache<K, V>;
-}
-interface DefaultCache<K, V> {
-    get(key: K): V | undefined;
-    set(key: K, value: V | undefined): void;
-}
-export type Serializer = (args: any[]) => string;
-export interface Options<F extends Func> {
-    cache?: Cache<string, ReturnType<F>>;
-    serializer?: Serializer;
-    strategy?: MemoizeFunc<F>;
-}
-export interface ResolvedOptions<F extends Func> {
-    cache: Cache<string, ReturnType<F>>;
-    serializer: Serializer;
-}
-export interface MemoizeFunc<F extends Func> {
-    (fn: F, options?: Options<F>): F;
-}
-export declare function memoize<F extends Func>(fn: F, options?: Options<F>): F | ((arg: any) => any);
-export type StrategyFn = <F extends Func>(this: unknown, fn: F, cache: DefaultCache<string, ReturnType<F>>, serializer: Serializer, arg: any) => any;
-export interface Strategies<F extends Func> {
-    variadic: MemoizeFunc<F>;
-    monadic: MemoizeFunc<F>;
-}
-export declare const strategies: Strategies<Func>;
-export {};

lib/index.js

-//
-// Main
-//
-export function memoize(fn, options) {
-    var cache = options && options.cache ? options.cache : cacheDefault;
-    var serializer = options && options.serializer ? options.serializer : serializerDefault;
-    var strategy = options && options.strategy ? options.strategy : strategyDefault;
-    return strategy(fn, {
-        cache: cache,
-        serializer: serializer,
-    });
-}
-//
-// Strategy
-//
-function isPrimitive(value) {
-    return (value == null || typeof value === 'number' || typeof value === 'boolean'); // || typeof value === "string" 'unsafe' primitive for our needs
-}
-function monadic(fn, cache, serializer, arg) {
-    var cacheKey = isPrimitive(arg) ? arg : serializer(arg);
-    var computedValue = cache.get(cacheKey);
-    if (typeof computedValue === 'undefined') {
-        computedValue = fn.call(this, arg);
-        cache.set(cacheKey, computedValue);
-    }
-    return computedValue;
-}
-function variadic(fn, cache, serializer) {
-    var args = Array.prototype.slice.call(arguments, 3);
-    var cacheKey = serializer(args);
-    var computedValue = cache.get(cacheKey);
-    if (typeof computedValue === 'undefined') {
-        computedValue = fn.apply(this, args);
-        cache.set(cacheKey, computedValue);
-    }
-    return computedValue;
-}
-function assemble(fn, context, strategy, cache, serialize) {
-    return strategy.bind(context, fn, cache, serialize);
-}
-function strategyDefault(fn, options) {
-    var strategy = fn.length === 1 ? monadic : variadic;
-    return assemble(fn, this, strategy, options.cache.create(), options.serializer);
-}
-function strategyVariadic(fn, options) {
-    return assemble(fn, this, variadic, options.cache.create(), options.serializer);
-}
-function strategyMonadic(fn, options) {
-    return assemble(fn, this, monadic, options.cache.create(), options.serializer);
-}
-//
-// Serializer
-//
-var serializerDefault = function () {
-    return JSON.stringify(arguments);
-};
-//
-// Cache
-//
-var ObjectWithoutPrototypeCache = /** @class */ (function () {
-    function ObjectWithoutPrototypeCache() {
-        this.cache = Object.create(null);
-    }
-    ObjectWithoutPrototypeCache.prototype.get = function (key) {
-        return this.cache[key];
-    };
-    ObjectWithoutPrototypeCache.prototype.set = function (key, value) {
-        this.cache[key] = value;
-    };
-    return ObjectWithoutPrototypeCache;
-}());
-var cacheDefault = {
-    create: function create() {
-        return new ObjectWithoutPrototypeCache();
-    },
-};
-export var strategies = {
-    variadic: strategyVariadic,
-    monadic: strategyMonadic,
-};

No alert changes

Improved metrics

Is type module

Yes

NaN

Worsened metrics

Total package byte prevSize

5363

-41.2%

Number of package files

5

-28.57%

Lines of code

112

-50.88%

No dependency changes