refactor: optimize lodash utils

.husky/.gitignore

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+_

.husky/commit-msg

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+npx --no-install commitlint --edit ""

.husky/pre-commit

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+npx lint-staged

__tests__/unit/color/index.spec.ts

@@ -1,6 +1,33 @@
 import { gradient, toCSSGradient, toRGB } from '../../../src';
 
 describe('color', function () {
+  let mockGetComputedStyle;
+  beforeAll(() => {
+    const colorMap = {
+      red: 'rgb(255, 0, 0)',
+      white: 'rgb(255, 255, 255)',
+      black: 'rgb(0, 0, 0)',
+      blue: 'rgb(0, 0, 255)',
+      '#ddd': 'rgb(221, 221, 221)',
+      '#eeeeee': 'rgb(238, 238, 238)',
+    };
+
+    // implement document defaultView getComputedStyle getPropertyValue in jsdom
+    mockGetComputedStyle = jest.spyOn(document.defaultView!, 'getComputedStyle').mockImplementation(
+      (el) =>
+        ({
+          getPropertyValue: () => {
+            const color = (el as HTMLElement).style.color;
+            return colorMap[color] || color;
+          },
+        }) as any,
+    );
+  });
+
+  afterAll(() => {
+    mockGetComputedStyle?.mockRestore();
+  });
+
   it('toRGB', () => {
     expect(toRGB('red')).toBe('#ff0000');
     expect(toRGB('white')).toBe('#ffffff');

__tests__/unit/lodash/is-array.spec.ts

@@ -0,0 +1,23 @@
+import { isArray } from '../../../src/lodash';
+
+describe('isArray', () => {
+  it('array literal', () => {
+    expect(isArray([])).toBe(true);
+    expect(isArray([1, 2, 3])).toBe(true);
+  });
+
+  it('array object', () => {
+    expect(isArray(new Array(10))).toBe(true);
+    expect(isArray(new Array(10).fill(0))).toBe(true);
+  });
+
+  it('not array', () => {
+    expect(isArray(0)).toBe(false);
+    expect(isArray(123)).toBe(false);
+    expect(isArray('')).toBe(false);
+    expect(isArray('abc')).toBe(false);
+    expect(isArray({})).toBe(false);
+    expect(isArray(null)).toBe(false);
+    expect(isArray(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-date.spec.ts

@@ -0,0 +1,19 @@
+import { isDate } from '../../../src/lodash';
+
+describe('isDate', () => {
+  it('date', () => {
+    expect(isDate(new Date())).toBe(true);
+    expect(isDate(new Date('2024'))).toBe(true);
+  });
+
+  it('not date', () => {
+    expect(isDate(0)).toBe(false);
+    expect(isDate(123)).toBe(false);
+    expect(isDate('')).toBe(false);
+    expect(isDate('abc')).toBe(false);
+    expect(isDate([])).toBe(false);
+    expect(isDate({})).toBe(false);
+    expect(isDate(null)).toBe(false);
+    expect(isDate(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-decimal.spec.ts

@@ -0,0 +1,23 @@
+import { isDecimal } from '../../../src/lodash';
+
+describe('isDecimal', () => {
+  it('decimal', () => {
+    expect(isDecimal(0.1)).toBe(true);
+    expect(isDecimal(0.123)).toBe(true);
+    expect(isDecimal(0.123456789)).toBe(true);
+    expect(isDecimal(0.1234567890123456789)).toBe(true);
+    expect(isDecimal(0.12345678901234567890123456789)).toBe(true);
+    expect(isDecimal(0.123456789012345678901234567890123456789)).toBe(true);
+  });
+
+  it('not decimal', () => {
+    expect(isDecimal(0)).toBe(false);
+    expect(isDecimal(123)).toBe(false);
+    expect(isDecimal('')).toBe(false);
+    expect(isDecimal('abc')).toBe(false);
+    expect(isDecimal([])).toBe(false);
+    expect(isDecimal({})).toBe(false);
+    expect(isDecimal(null)).toBe(false);
+    expect(isDecimal(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-element.spec.ts

@@ -0,0 +1,22 @@
+import { isElement } from '../../../src/lodash';
+
+describe('isElement', () => {
+  it('element', () => {
+    expect(isElement(document.createElement('div'))).toBe(true);
+    expect(isElement(document.createElement('span'))).toBe(true);
+    expect(isElement(document.createElement('a'))).toBe(true);
+    expect(isElement(document)).toBe(true);
+  });
+
+  it('not element', () => {
+    expect(isElement(window)).toBe(false);
+    expect(isElement(0)).toBe(false);
+    expect(isElement(123)).toBe(false);
+    expect(isElement('')).toBe(false);
+    expect(isElement('abc')).toBe(false);
+    expect(isElement([])).toBe(false);
+    expect(isElement({})).toBe(false);
+    expect(isElement(null)).toBe(false);
+    expect(isElement(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-even.spec.ts

@@ -0,0 +1,31 @@
+import { isEven } from '../../../src/lodash';
+
+describe('isEven', () => {
+  it('even', () => {
+    expect(isEven(0)).toBe(true);
+    expect(isEven(2)).toBe(true);
+    expect(isEven(4)).toBe(true);
+    expect(isEven(6)).toBe(true);
+    expect(isEven(8)).toBe(true);
+    expect(isEven(10)).toBe(true);
+    expect(isEven(12)).toBe(true);
+    expect(isEven(14)).toBe(true);
+    expect(isEven(16)).toBe(true);
+    expect(isEven(18)).toBe(true);
+    expect(isEven(20)).toBe(true);
+  });
+
+  it('not even', () => {
+    expect(isEven(1)).toBe(false);
+    expect(isEven(3)).toBe(false);
+    expect(isEven(5)).toBe(false);
+    expect(isEven(7)).toBe(false);
+    expect(isEven(9)).toBe(false);
+    expect(isEven(11)).toBe(false);
+    expect(isEven(13)).toBe(false);
+    expect(isEven(15)).toBe(false);
+    expect(isEven(17)).toBe(false);
+    expect(isEven(19)).toBe(false);
+    expect(isEven(21)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-finite.spec.ts

@@ -0,0 +1,20 @@
+import { isFinite } from '../../../src/lodash';
+
+describe('isFinite', () => {
+  it('finite', () => {
+    expect(isFinite(0)).toBe(true);
+    expect(isFinite(123)).toBe(true);
+    expect(isFinite(0.1)).toBe(true);
+    expect(isFinite(0.123)).toBe(true);
+    expect(isFinite(0.123456789)).toBe(true);
+    expect(isFinite(0.1234567890123456789)).toBe(true);
+    expect(isFinite(0.12345678901234567890123456789)).toBe(true);
+    expect(isFinite(0.123456789012345678901234567890123456789)).toBe(true);
+  });
+
+  it('not finite', () => {
+    expect(isFinite(Infinity)).toBe(false);
+    expect(isFinite(-Infinity)).toBe(false);
+    expect(isFinite(NaN)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-function.spec.ts

@@ -0,0 +1,20 @@
+import { isFunction } from '../../../src/lodash';
+
+describe('isFunction', () => {
+  it('function', () => {
+    expect(isFunction(() => {})).toBe(true);
+    expect(isFunction(function () {})).toBe(true);
+    expect(isFunction(new Function())).toBe(true);
+  });
+
+  it('not function', () => {
+    expect(isFunction(0)).toBe(false);
+    expect(isFunction(123)).toBe(false);
+    expect(isFunction('')).toBe(false);
+    expect(isFunction('abc')).toBe(false);
+    expect(isFunction([])).toBe(false);
+    expect(isFunction({})).toBe(false);
+    expect(isFunction(null)).toBe(false);
+    expect(isFunction(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-integer.spec.ts

@@ -0,0 +1,21 @@
+import { isInteger } from '../../../src/lodash';
+
+describe('isInteger', () => {
+  it('integer', () => {
+    expect(isInteger(0)).toBe(true);
+    expect(isInteger(123)).toBe(true);
+    expect(isInteger(-123)).toBe(true);
+  });
+
+  it('not integer', () => {
+    expect(isInteger(0.1)).toBe(false);
+    expect(isInteger(0.123)).toBe(false);
+    expect(isInteger(0.123456789)).toBe(false);
+    expect(isInteger(0.1234567890123456789)).toBe(false);
+    expect(isInteger(0.12345678901234567890123456789)).toBe(false);
+    expect(isInteger(0.123456789012345678901234567890123456789)).toBe(false);
+    expect(isInteger(Infinity)).toBe(false);
+    expect(isInteger(-Infinity)).toBe(false);
+    expect(isInteger(NaN)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-negative.spec.ts

@@ -0,0 +1,24 @@
+import { isNegative } from '../../../src/lodash';
+
+describe('isNegative', () => {
+  it('negative', () => {
+    expect(isNegative(-1)).toBe(true);
+    expect(isNegative(-0.1)).toBe(true);
+    expect(isNegative(-0.123)).toBe(true);
+    expect(isNegative(-0.123456789)).toBe(true);
+    expect(isNegative(-0.1234567890123456789)).toBe(true);
+    expect(isNegative(-0.12345678901234567890123456789)).toBe(true);
+    expect(isNegative(-0.123456789012345678901234567890123456789)).toBe(true);
+  });
+
+  it('not negative', () => {
+    expect(isNegative(0)).toBe(false);
+    expect(isNegative(1)).toBe(false);
+    expect(isNegative(0.1)).toBe(false);
+    expect(isNegative(0.123)).toBe(false);
+    expect(isNegative(0.123456789)).toBe(false);
+    expect(isNegative(0.1234567890123456789)).toBe(false);
+    expect(isNegative(0.12345678901234567890123456789)).toBe(false);
+    expect(isNegative(0.123456789012345678901234567890123456789)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-nil.spec.ts

@@ -0,0 +1,17 @@
+import { isNil } from '../../../src/lodash';
+
+describe('isNil', () => {
+  it('nil', () => {
+    expect(isNil(null)).toBe(true);
+    expect(isNil(undefined)).toBe(true);
+  });
+
+  it('not nil', () => {
+    expect(isNil(0)).toBe(false);
+    expect(isNil(123)).toBe(false);
+    expect(isNil('')).toBe(false);
+    expect(isNil('abc')).toBe(false);
+    expect(isNil([])).toBe(false);
+    expect(isNil({})).toBe(false);
+  });
+});

__tests__/unit/lodash/is-null.spec.ts

@@ -0,0 +1,17 @@
+import { isNull } from '../../../src/lodash';
+
+describe('isNull', () => {
+  it('null', () => {
+    expect(isNull(null)).toBe(true);
+  });
+
+  it('not null', () => {
+    expect(isNull(0)).toBe(false);
+    expect(isNull(123)).toBe(false);
+    expect(isNull('')).toBe(false);
+    expect(isNull('abc')).toBe(false);
+    expect(isNull([])).toBe(false);
+    expect(isNull({})).toBe(false);
+    expect(isNull(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-number-equal.spec.ts

@@ -0,0 +1,24 @@
+import { isNumberEqual } from '../../../src/lodash';
+
+describe('isNumberEqual', () => {
+  it('equal', () => {
+    expect(isNumberEqual(0, 0)).toBe(true);
+    expect(isNumberEqual(1, 1)).toBe(true);
+    expect(isNumberEqual(0.1, 0.1)).toBe(true);
+    expect(isNumberEqual(0.123, 0.123)).toBe(true);
+    expect(isNumberEqual(0.123456789, 0.123456789)).toBe(true);
+    expect(isNumberEqual(0.1234567890123456789, 0.1234567890123456789)).toBe(true);
+    expect(isNumberEqual(0.12345678901234567890123456789, 0.12345678901234567890123456789)).toBe(true);
+    expect(isNumberEqual(0.123456789012345678901234567890123456789, 0.123456789012345678901234567890123456789)).toBe(
+      true,
+    );
+  });
+
+  it('not equal', () => {
+    expect(isNumberEqual(0, 1)).toBe(false);
+    expect(isNumberEqual(1, 0)).toBe(false);
+    expect(isNumberEqual(0.1, 0.2)).toBe(false);
+    expect(isNumberEqual(0.123, 0.124)).toBe(false);
+    expect(isNumberEqual(0.123456789, 0.123456788, 0.0000000001)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-number.spec.ts

@@ -0,0 +1,30 @@
+import { isNumber } from '../../../src/lodash';
+
+describe('isNumber', () => {
+  it('number literal', () => {
+    expect(isNumber(0)).toBe(true);
+    expect(isNumber(123)).toBe(true);
+    expect(isNumber(0.1)).toBe(true);
+    expect(isNumber(123.4)).toBe(true);
+    expect(isNumber(-0)).toBe(true);
+    expect(isNumber(-123)).toBe(true);
+    expect(isNumber(-0.1)).toBe(true);
+    expect(isNumber(-123.4)).toBe(true);
+  });
+
+  it('number object', () => {
+    expect(isNumber(new Number(0))).toBe(false);
+    expect(isNumber(new Number(123))).toBe(false);
+    expect(isNumber(new Number(0.1))).toBe(false);
+    expect(isNumber(new Number(123.4))).toBe(false);
+  });
+
+  it('not number', () => {
+    expect(isNumber('')).toBe(false);
+    expect(isNumber('abc')).toBe(false);
+    expect(isNumber([])).toBe(false);
+    expect(isNumber({})).toBe(false);
+    expect(isNumber(null)).toBe(false);
+    expect(isNumber(undefined)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-odd.spec.ts

@@ -0,0 +1,30 @@
+import { isOdd } from '../../../src/lodash';
+
+describe('isOdd', () => {
+  it('odd', () => {
+    expect(isOdd(1)).toBe(true);
+    expect(isOdd(3)).toBe(true);
+    expect(isOdd(5)).toBe(true);
+    expect(isOdd(7)).toBe(true);
+    expect(isOdd(9)).toBe(true);
+    expect(isOdd(11)).toBe(true);
+    expect(isOdd(13)).toBe(true);
+    expect(isOdd(15)).toBe(true);
+    expect(isOdd(17)).toBe(true);
+    expect(isOdd(19)).toBe(true);
+  });
+
+  it('not odd', () => {
+    expect(isOdd(0)).toBe(false);
+    expect(isOdd(2)).toBe(false);
+    expect(isOdd(4)).toBe(false);
+    expect(isOdd(6)).toBe(false);
+    expect(isOdd(8)).toBe(false);
+    expect(isOdd(10)).toBe(false);
+    expect(isOdd(12)).toBe(false);
+    expect(isOdd(14)).toBe(false);
+    expect(isOdd(16)).toBe(false);
+    expect(isOdd(18)).toBe(false);
+    expect(isOdd(20)).toBe(false);
+  });
+});

__tests__/unit/lodash/is-string.spec.ts

@@ -0,0 +1,24 @@
+import { isString } from '../../../src/lodash';
+
+describe('isString', () => {
+  it('string literal', () => {
+    expect(isString('')).toBe(true);
+    expect(isString('abc')).toBe(true);
+    expect(isString('123')).toBe(true);
+  });
+
+  it('string object', () => {
+    expect(isString(new String(''))).toBe(false);
+    expect(isString(new String('abc'))).toBe(false);
+    expect(isString(new String('123'))).toBe(false);
+  });
+
+  it('not string', () => {
+    expect(isString(0)).toBe(false);
+    expect(isString(123)).toBe(false);
+    expect(isString([])).toBe(false);
+    expect(isString({})).toBe(false);
+    expect(isString(null)).toBe(false);
+    expect(isString(undefined)).toBe(false);
+  });
+});