spica - npm Package Compare versions

Comparing version 0.0.734 to 0.0.735

memoize.ts

@@ -19,7 +19,22 @@ import { isArray } from './alias';
   if (typeof identify === 'object') return memoize(f, undefined, identify as Dict<b, z>);
-  return isArray(memory) || memory?.constructor === Object
-    ? memoizeRecord(f, identify, memory as z[])
-    : memoizeDict(f, identify, memory as Dict<b, z> ?? new Map());
+  switch (true) {
+    case isArray(memory):
+      return memoizeArray(f, identify, memory as z[]);
+    case memory?.constructor === Object:
+      return memoizeObject(f, identify, memory as Record<number, z>);
+    default:
+      return memoizeDict(f, identify, memory as Dict<b, z> ?? new Map());
+  }
 }
-function memoizeRecord<as extends [unknown, ...unknown[]], z, b = as[0]>(f: (...as: as) => z, identify: (...as: as) => b, memory: Record<number, z>): typeof f {
+function memoizeArray<as extends [unknown, ...unknown[]], z, b = as[0]>(f: (...as: as) => z, identify: (...as: as) => b, memory: z[]): typeof f {
+  return (...as) => {
+    const b = identify(...as) as number;
+    let z = memory[b];
+    if (z !== undefined) return z!;
+    z = f(...as);
+    memory[b] = z;
+    return z;
+  };
+}
+function memoizeObject<as extends [unknown, ...unknown[]], z, b = as[0]>(f: (...as: as) => z, identify: (...as: as) => b, memory: Record<number, z>): typeof f {
   let nullable = false;
@@ -29,3 +44,3 @@ return (...as) => {
     let z = memory[b];
-    if (z !== undefined || nullable && memory[b] !== undefined) return z!;
+    if (z !== undefined || nullable && b in memory) return z!;
     z = f(...as);
@@ -32,0 +47,0 @@ nullable ||= z === undefined;

package.json

 {
   "name": "spica",
-  "version": "0.0.734",
+  "version": "0.0.735",
   "description": "Supervisor, Coroutine, Channel, select, AtomicPromise, Cancellation, Cache, List, Queue, Stack, and some utils.",
@@ -5,0 +5,0 @@ "private": false,

src/memoize.ts

@@ -19,7 +19,22 @@ import { isArray } from './alias';
   if (typeof identify === 'object') return memoize(f, undefined, identify as Dict<b, z>);
-  return isArray(memory) || memory?.constructor === Object
-    ? memoizeRecord(f, identify, memory as z[])
-    : memoizeDict(f, identify, memory as Dict<b, z> ?? new Map());
+  switch (true) {
+    case isArray(memory):
+      return memoizeArray(f, identify, memory as z[]);
+    case memory?.constructor === Object:
+      return memoizeObject(f, identify, memory as Record<number, z>);
+    default:
+      return memoizeDict(f, identify, memory as Dict<b, z> ?? new Map());
+  }
 }
-function memoizeRecord<as extends [unknown, ...unknown[]], z, b = as[0]>(f: (...as: as) => z, identify: (...as: as) => b, memory: Record<number, z>): typeof f {
+function memoizeArray<as extends [unknown, ...unknown[]], z, b = as[0]>(f: (...as: as) => z, identify: (...as: as) => b, memory: z[]): typeof f {
+  return (...as) => {
+    const b = identify(...as) as number;
+    let z = memory[b];
+    if (z !== undefined) return z!;
+    z = f(...as);
+    memory[b] = z;
+    return z;
+  };
+}
+function memoizeObject<as extends [unknown, ...unknown[]], z, b = as[0]>(f: (...as: as) => z, identify: (...as: as) => b, memory: Record<number, z>): typeof f {
   let nullable = false;
@@ -29,3 +44,3 @@ return (...as) => {
     let z = memory[b];
-    if (z !== undefined || nullable && memory[b] !== undefined) return z!;
+    if (z !== undefined || nullable && b in memory) return z!;
     z = f(...as);
@@ -32,0 +47,0 @@ nullable ||= z === undefined;

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Improved metrics

Total package byte prevSize

1158091

increased by0.08%

Lines of code

32350

increased by0.09%

No dependency changes