is-what - npm Package Compare versions

Comparing version 3.8.0 to 3.9.0

build/rollup.js

@@ -26,3 +26,3 @@ /* eslint-disable */
 const plugins = [
-  typescript({useTsconfigDeclarationDir: true}),
+  typescript({ useTsconfigDeclarationDir: true, tsconfigOverride: { exclude: ['test/**/*'] } }),
 ]
@@ -37,11 +37,14 @@
     plugins,
-    external
+    external,
   }
   // defaults.output
   config.output = config.output.map(output => {
-    return Object.assign({
-      sourcemap: false,
-      name: className,
-      exports: 'named',
-    }, output)
+    return Object.assign(
+      {
+        sourcemap: false,
+        name: className,
+        exports: 'named',
+      },
+      output
+    )
   })
@@ -55,6 +58,6 @@ return Object.assign(defaults, config)
     output: [
-      {file: 'dist/index.cjs.js', format: 'cjs'},
-      {file: 'dist/index.esm.js', format: 'esm'},
+      { file: 'dist/index.cjs.js', format: 'cjs' },
+      { file: 'dist/index.esm.js', format: 'esm' },
     ],
   }),
 ]

dist/index.cjs.js

@@ -238,2 +238,11 @@ 'use strict';
 /**
+ * Returns whether the payload is an Error
+ *
+ * @param {*} payload
+ * @returns {payload is typeof NaN}
+ */
+function isNaNValue(payload) {
+    return getType(payload) === 'Number' && isNaN(payload);
+}
+/**
  * Returns whether the payload is a primitive type (eg. Boolean | Null | Undefined | Number | String | Symbol)
@@ -296,2 +305,3 @@ *
 exports.isMap = isMap;
+exports.isNaNValue = isNaNValue;
 exports.isNull = isNull;
@@ -298,0 +308,0 @@ exports.isNullOrUndefined = isNullOrUndefined;

dist/index.esm.js

@@ -234,2 +234,11 @@ /**
 /**
+ * Returns whether the payload is an Error
+ *
+ * @param {*} payload
+ * @returns {payload is typeof NaN}
+ */
+function isNaNValue(payload) {
+    return getType(payload) === 'Number' && isNaN(payload);
+}
+/**
  * Returns whether the payload is a primitive type (eg. Boolean | Null | Undefined | Number | String | Symbol)
@@ -280,2 +289,2 @@ *
 
-export { getType, isAnyObject, isArray, isBlob, isBoolean, isDate, isEmptyString, isError, isFile, isFullString, isFunction, isMap, isNull, isNullOrUndefined, isNumber, isObject, isObjectLike, isPlainObject, isPrimitive, isPromise, isRegExp, isSet, isString, isSymbol, isType, isUndefined, isWeakMap, isWeakSet };
+export { getType, isAnyObject, isArray, isBlob, isBoolean, isDate, isEmptyString, isError, isFile, isFullString, isFunction, isMap, isNaNValue, isNull, isNullOrUndefined, isNumber, isObject, isObjectLike, isPlainObject, isPrimitive, isPromise, isRegExp, isSet, isString, isSymbol, isType, isUndefined, isWeakMap, isWeakSet };

package.json

 {
   "name": "is-what",
   "sideEffects": false,
-  "version": "3.8.0",
+  "version": "3.9.0",
   "description": "JS type check (TypeScript supported) functions like `isPlainObject() isArray()` etc. A simple & small integration.",
@@ -66,2 +66,3 @@ "main": "dist/index.cjs.js",
     "rollup-plugin-typescript2": "^0.26.0",
+    "tsconfig-paths": "^3.9.0",
     "ts-node": "^8.8.2",
@@ -71,9 +72,5 @@ "typescript": "^3.8.3"
   "ava": {
-    "extensions": [
-      "ts"
-    ],
-    "require": [
-      "ts-node/register"
-    ]
+    "extensions": ["ts"],
+    "require": ["tsconfig-paths/register", "ts-node/register"]
   }
 }

src/index.ts

@@ -258,2 +258,12 @@ /**
 /**
+ * Returns whether the payload is an Error
+ *
+ * @param {*} payload
+ * @returns {payload is typeof NaN}
+ */
+export function isNaNValue (payload: any): payload is typeof NaN {
+  return getType(payload) === 'Number' && isNaN(payload)
+}
+
+/**
  * Returns whether the payload is a primitive type (eg. Boolean | Null | Undefined | Number | String | Symbol)
@@ -260,0 +270,0 @@ *

test/ava.ts

@@ -29,2 +29,3 @@ import test from 'ava'
   isPromise,
+  isNaNValue,
 } from '../src/index'
@@ -92,2 +93,35 @@
 
+test('NaN tests', t => {
+  t.is(isNaNValue(NaN), true)
+  t.is(isNaNValue(new Error('')), false)
+  t.is(isNaNValue(undefined), false)
+  t.is(isNaNValue(null), false)
+  t.is(isNaNValue(undefined), false)
+  t.is(isNaNValue({}), false)
+  t.is(isNaNValue(new Object()), false)
+  t.is(
+    isNaNValue(_ => {}),
+    false
+  )
+  t.is(isNaNValue([]), false)
+  t.is(isNaNValue(new Array()), false)
+  t.is(isNaNValue(''), false)
+  t.is(isNaNValue('_'), false)
+  t.is(isNaNValue(''), false)
+  t.is(isNaNValue(' '), false)
+  t.is(isNaNValue(true), false)
+  t.is(isNaNValue(false), false)
+  t.is(isNaNValue(/./), false)
+  t.is(isNaNValue(/./gi), false)
+  t.is(isNaNValue(0), false)
+  t.is(isNaNValue(1), false)
+  t.is(isNaNValue(new Date()), false)
+  t.is(isNaNValue(Symbol()), false)
+  t.is(isNaNValue(new Map()), false)
+  t.is(isNaNValue(new WeakMap()), false)
+  t.is(isNaNValue(new Set()), false)
+  t.is(isNaNValue(new WeakSet()), false)
+  t.is(isNaNValue(new Promise((resolve, reject) => {})), false)
+})
+
 test('Primitive tests', t => {
@@ -94,0 +128,0 @@ // true

tsconfig.json

@@ -7,4 +7,5 @@ {
   "include": [
-    "src/**/*"
+    "src/**/*",
+    "test/**/*"
   ]
 }

types/index.d.ts

@@ -188,2 +188,9 @@ /**
 /**
+ * Returns whether the payload is an Error
+ *
+ * @param {*} payload
+ * @returns {payload is typeof NaN}
+ */
+export declare function isNaNValue(payload: any): payload is typeof NaN;
+/**
  * Returns whether the payload is a primitive type (eg. Boolean | Null | Undefined | Number | String | Symbol)
@@ -190,0 +197,0 @@ *

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Found 1 instance in 1 package

Fixed alerts

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Improved metrics

Total package byte prevSize

55622

increased by3.81%

Lines of code

1602

increased by4.71%

Worsened metrics

Dev dependency count

19

increased by5.56%

No dependency changes