Add tasks

tshemsedinov · tshemsedinov · commit 708f833b9877 · 2025-03-08T23:32:53.000+02:00
diff --git a/JavaScript/4-bad.js b/JavaScript/4-bad.js
@@ -1,19 +1,22 @@
 'use strict';
 
+// TODO: Refactor to respect SoC principle and
+// optimize JavaScript for V8
+
 const poolify = (factory, options, size, max) => {
-  const instances = [];
-  for (let i = 0; i < size; i++) {
-    const instance = factory(...options);
+  const instances = []; // Preallocate array
+  for (let i = 0; i < size; i++) { // Use Array methods instead of loop
+    const instance = factory(...options); // Avoid array destructuring
     instances.push(instance);
   }
 
-  return (instance) => {
-    if (instance) {
+  return (instance) => { // Respect SoC and SOLID/SRP
+    if (instance) { // Avoid if-statement
       if (instances.length < max) {
         instances.push(instance);
       }
     }
-    instance = instances.pop();
+    instance = instances.pop(); // Do not reassign incoming parameters
     if (!instance) instance = factory(...options);
     return instance;
   };
diff --git a/JavaScript/Tasks.md b/JavaScript/Tasks.md
@@ -0,0 +1,8 @@
+# Pool tasks
+
+1. Optimize `4-bad.js`, see TODOs in the file; check solution if `4-improved.js`
+2. Rewrite `4-improved.js` to class syntax
+3. Implement async instance acquisition in closure version with queue and callbacks
+4. Implement async instance acquisition in classes version with queue and callbacks
+5. Rewrite acquisition to promises in closure version
+6. Rewrite acquisition to promises in classes version
