feature: @putout/plugin-minify: convert-const-to-var -> convert-const-to-let

Author: coderaiser

packages/plugin-merge-destructuring-properties/test/fixture/minify-fix.js

@@ -1,6 +1,6 @@
-const {defineProperty: a} = Object;
+const {defineProperty: a, keys: b} = Object;
 let c = null;
-var d = 1073741823, {keys: b} = Object;
+let d = 1073741823;
 
 function A(...e) {
     if (n)

packages/plugin-minify/README.md

@@ -16,7 +16,7 @@ npm i @putout/plugin-putout -D
 - ✅ [apply-template-literal](#apply-template-literal);
 - ✅ [apply-ternary](#apply-ternary);
 - ✅ [convert-array-from-to-spread](#convert-array-from-to-spread);
-- ✅ [convert-const-to-var](#convert-const-to-var);
+- ✅ [convert-const-to-let](#convert-const-to-let);
 - ✅ [convert-if-to-logical](#convert-if-to-logical);
 - ✅ [convert-return-to-sequence-expression](#convert-return-to-sequence-expression);
 - ✅ [convert-strict-equal-to-equal](#convert-strict-equal-to-equal);
@@ -149,7 +149,7 @@ b && (console.log('hello'), console.log('world'));
 a ? (console.log(1), console.log(2)) : (console.log(3), console.log(4));
 ```
 
-## convert-const-to-var
+## convert-const-to-let
 
 ### ❌ Example of incorrect code
 
@@ -160,7 +160,7 @@ const a = 5;
 ### ✅ Example of correct code
 
 ```js
-var a = 5;
+let a = 5;
 ```
 
 ## convert-return-to-sequence-expression

packages/plugin-minify/eslint.config.js

@@ -5,6 +5,7 @@ import {defineConfig} from 'eslint/config';
 export const match = {
     'README.md{js}': {
         'no-var': 'off',
+        'prefer-const': 'off',
     },
 };
 export default defineConfig([safeAlign, matchToFlat(match)]);

packages/plugin-minify/lib/convert-const-to-let/fixture/convert-const-to-let-fix.js

@@ -0,0 +1 @@
+let a = 5;

…t-to-var/fixture/convert-const-to-var.js …t-to-let/fixture/convert-const-to-let.jspackages/plugin-minify/lib/convert-const-to-var/fixture/convert-const-to-var.js renamed to packages/plugin-minify/lib/convert-const-to-let/fixture/convert-const-to-let.js packages/plugin-minify/lib/convert-const-to-var/fixture/convert-const-to-var.js renamed to packages/plugin-minify/lib/convert-const-to-let/fixture/convert-const-to-let.js

@@ -5,7 +5,7 @@ async function a(A) {
 
     type == 'email' && (c = c.split('@')[1]);
 
-    var d = await checkDomain(c);
+    let d = await checkDomain(c);
 
     e.innerHTML = `Result: ${d.data}`;
 }

…/lib/convert-const-to-var/fixture/for.js …/lib/convert-const-to-let/fixture/for.jspackages/plugin-minify/lib/convert-const-to-var/fixture/for.js renamed to packages/plugin-minify/lib/convert-const-to-let/fixture/for.js packages/plugin-minify/lib/convert-const-to-var/fixture/for.js renamed to packages/plugin-minify/lib/convert-const-to-let/fixture/for.js

@@ -1,5 +1,5 @@
 export function mergeProps() {
-    var n = a();
+    let n = a();
 
     if (n) {
         n();