@miyauci/isx - npm Package Compare versions

Comparing version 1.1.1 to 1.2.0-beta.1

esm/iterable/is_empty.js

 // Copyright 2023-latest Tomoki Miyauchi. All rights reserved. MIT license.
 // This module is browser compatible.
 export function isEmpty(input) {
-    return ![...input].length;
+    for (const _ of input)
+        return false;
+    return true;
 }

esm/iterable/is_not_empty.js

 // Copyright 2023-latest Tomoki Miyauchi. All rights reserved. MIT license.
 // This module is browser compatible.
 export function isNotEmpty(input) {
-    return !![...input].length;
+    for (const _ of input)
+        return true;
+    return false;
 }

esm/iterable/is_single.js

 // Copyright 2023-latest Tomoki Miyauchi. All rights reserved. MIT license.
 // This module is browser compatible.
 export function isSingle(input) {
-    return [...input].length === 1;
+    const iterator = input[Symbol.iterator]();
+    return !iterator.next().done && (iterator.next().done ?? false);
 }

package.json

 {
   "name": "@miyauci/isx",
-  "version": "1.1.1",
+  "version": "1.2.0-beta.1",
   "description": "Collection of validation functions for JavaScript data",
@@ -37,2 +37,5 @@ "license": "MIT",
       ],
+      "is_array": [
+        "types/is_array.d.ts"
+      ],
       "is_async_iterable": [
@@ -127,2 +130,7 @@ "types/is_async_iterable.d.ts"
     },
+    "./is_array": {
+      "import": "./esm/is_array.js",
+      "require": "./script/is_array.js",
+      "types": "./types/is_array.d.ts"
+    },
     "./is_async_iterable": {
@@ -129,0 +137,0 @@ "import": "./esm/is_async_iterable.js",

README.md

@@ -195,2 +195,22 @@ # isx
 
+## isArray
+
+[![badge](https://deno.bundlejs.com/?q=https://deno.land/x/isx/is_array.ts&badge=)](https://bundlejs.com/?q=https%3A%2F%2Fdeno.land%2Fx%2Fisx%2Fis_array.ts)
+
+Whether the input is array or not.
+
+_**Use only if input contains `ReadOnlyArray`**_. It improves type inference.
+Otherwise, use `Array.isArray`.
+
+This exists only because of TypeScript bug
+[#17002](https://github.com/microsoft/TypeScript/issues/17002). When this is
+fixed, this function will no longer be provided.
+
+```ts
+import { isArray } from "https://deno.land/x/isx@$VERSION/is_array.ts";
+import { assertEquals } from "https://deno.land/std/testing/asserts.ts";
+assertEquals(isArray([]), true);
+assertEquals(isArray({}), false);
+```
+
 ## isPromise
@@ -197,0 +217,0 @@

script/iterable/is_empty.js

@@ -7,4 +7,6 @@ "use strict";
 function isEmpty(input) {
-    return ![...input].length;
+    for (const _ of input)
+        return false;
+    return true;
 }
 exports.isEmpty = isEmpty;

script/iterable/is_not_empty.js

@@ -7,4 +7,6 @@ "use strict";
 function isNotEmpty(input) {
-    return !![...input].length;
+    for (const _ of input)
+        return true;
+    return false;
 }
 exports.isNotEmpty = isNotEmpty;

script/iterable/is_single.js

@@ -7,4 +7,5 @@ "use strict";
 function isSingle(input) {
-    return [...input].length === 1;
+    const iterator = input[Symbol.iterator]();
+    return !iterator.next().done && (iterator.next().done ?? false);
 }
 exports.isSingle = isSingle;

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Improved metrics

Total package byte prevSize

76009

increased by3.63%

Number of package files

92

increased by3.37%

Lines of code

1381

increased by4.23%

Number of lines in readme file

500

increased by4.17%

Worsened metrics

Number of low quality alerts

1

increased byInfinity%

No dependency changes