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@gaozh/rn-utils

v0.2.0-beta.0

Published

Shared utility functions and helpers

Readme

@gaozh/rn-utils

Panther Expo 框架的工具函数库,提供颜色处理、字符串操作、日期格式化等常用工具函数。

📦 安装

npm install @gaozh/rn-utils
# 或
pnpm add @gaozh/rn-utils

注意: 本库为纯工具库,无额外依赖要求。clsxtailwind-merge 会自动随包安装。


🚀 快速开始

import { cn, formatDate, generateColorPalette } from '@gaozh/rn-utils';

// 合并 className
const className = cn('text-red-500', 'bg-blue-500', { 'font-bold': true });

// 格式化日期
const dateStr = formatDate(new Date(), 'yyyy-MM-dd');

// 生成色板
const palette = generateColorPalette('#f38b32');

📚 API 文档

ClassName 工具

cn(...inputs)

使用 clsxtailwind-merge 合并 Tailwind CSS 类名,自动处理冲突。

import { cn } from '@gaozh/rn-utils';

cn('text-red-500', 'bg-blue-500');
// => 'text-red-500 bg-blue-500'

cn('px-4 py-2', { 'font-bold': true, hidden: false });
// => 'px-4 py-2 font-bold'

// 自动合并冲突类名
cn('text-red-500', 'text-blue-500');
// => 'text-blue-500'

参数:

  • inputs: ClassValue[] - 任意数量的类名值

返回值:

  • string - 合并后的类名字符串

颜色工具

hexToRgb(hex)

将十六进制颜色转换为 RGB 对象。

import { hexToRgb } from '@gaozh/rn-utils';

hexToRgb('#f38b32');
// => { r: 243, g: 139, b: 50 }

参数:

  • hex: string - 十六进制颜色字符串

返回值:

  • RgbObject - { r: number, g: number, b: number }

rgbToHex(rgb)

将 RGB 对象转换为十六进制颜色。

import { rgbToHex } from '@gaozh/rn-utils';

rgbToHex({ r: 243, g: 139, b: 50 });
// => '#f38b32'

adjustBrightness(rgb, factor)

调整 RGB 颜色的亮度。

import { adjustBrightness, hexToRgb } from '@gaozh/rn-utils';

const rgb = hexToRgb('#f38b32');
adjustBrightness(rgb, 0.2); // 提亮 20%
adjustBrightness(rgb, -0.2); // 变暗 20%

参数:

  • rgb: RgbObject - RGB 颜色对象
  • factor: number - 亮度调整因子,正数提亮,负数变暗

generateColorPalette(baseHex)

从基础颜色生成完整的色阶色板(0-950)。

import { generateColorPalette } from '@gaozh/rn-utils';

const palette = generateColorPalette('#f38b32');
// => {
//   0: '#fff7ed',
//   50: '#fff0dd',
//   100: '#fed9b5',
//   200: '#fcb58d',
//   300: '#fa9a66',
//   400: '#f78d4d',
//   500: '#f38b32',
//   600: '#db7d2d',
//   700: '#c26e27',
//   800: '#a85f22',
//   900: '#8f501d',
//   950: '#754118'
// }

// 使用色板
palette[500]; // 基础色
palette[100]; // 浅色背景
palette[700]; // 深色文字

参数:

  • baseHex: string - 基础十六进制颜色

返回值:

  • ColorPalette - 包含 0-950 色阶的色板对象

平台工具

isDevelopment()

检查当前是否处于开发环境。

import { isDevelopment } from '@gaozh/rn-utils';

if (isDevelopment()) {
  console.log('开发环境');
}

日期工具

formatDate(date, format)

格式化日期为指定格式。

import { formatDate } from '@gaozh/rn-utils';

formatDate(new Date('2024-03-15'), 'yyyy-MM-dd');
// => '2024-03-15'

formatDate(new Date('2024-03-15'), 'yyyy/MM/dd');
// => '2024/03/15'

参数:

  • date: Date - 日期对象
  • format: string - 格式字符串,支持 yyyy, MM, dd

formatRelativeTime(date)

格式化为相对时间(刚刚、几分钟前等)。

import { formatRelativeTime } from '@gaozh/rn-utils';

formatRelativeTime(new Date(Date.now() - 5 * 60000));
// => '5分钟前'

formatRelativeTime(new Date(Date.now() - 2 * 3600000));
// => '2小时前'

formatRelativeTime(new Date('2024-01-01'));
// => '2024-01-01' (超过30天返回日期)

字符串工具

truncate(str, length, suffix)

截断字符串并添加后缀。

import { truncate } from '@gaozh/rn-utils';

truncate('Hello World', 8);
// => 'Hello...'

truncate('Hello World', 8, '---');
// => 'Hello---'

slugify(str)

将字符串转换为 URL 友好的 slug。

import { slugify } from '@gaozh/rn-utils';

slugify('Hello World!');
// => 'hello-world'

slugify('React Native App');
// => 'react-native-app'

capitalize(str)

首字母大写。

import { capitalize } from '@gaozh/rn-utils';

capitalize('hello');
// => 'Hello'

数字工具

formatNumber(num)

格式化数字为千分位格式。

import { formatNumber } from '@gaozh/rn-utils';

formatNumber(1234567);
// => '1,234,567'

formatCurrency(num, currency)

格式化为货币格式。

import { formatCurrency } from '@gaozh/rn-utils';

formatCurrency(1234.5);
// => '¥1,234.5'

formatCurrency(1234.5, '$');
// => '$1,234.5'

formatPercent(num, decimals)

格式化为百分比。

import { formatPercent } from '@gaozh/rn-utils';

formatPercent(0.1567);
// => '15.67%'

formatPercent(0.1567, 1);
// => '15.7%'

clamp(num, min, max)

将数字限制在指定范围内。

import { clamp } from '@gaozh/rn-utils';

clamp(100, 0, 50);
// => 50

clamp(-10, 0, 50);
// => 0

对象工具

deepMerge(target, source)

深度合并两个对象。

import { deepMerge } from '@gaozh/rn-utils';

const target = { a: 1, b: { c: 2 } };
const source = { b: { d: 3 }, e: 4 };

deepMerge(target, source);
// => { a: 1, b: { c: 2, d: 3 }, e: 4 }

pick(obj, keys)

从对象中选取指定属性。

import { pick } from '@gaozh/rn-utils';

const user = { id: 1, name: 'Tom', age: 25, password: 'secret' };

pick(user, ['id', 'name']);
// => { id: 1, name: 'Tom' }

omit(obj, keys)

从对象中排除指定属性。

import { omit } from '@gaozh/rn-utils';

const user = { id: 1, name: 'Tom', age: 25, password: 'secret' };

omit(user, ['password']);
// => { id: 1, name: 'Tom', age: 25 }

验证工具

isValidEmail(email)

验证邮箱格式。

import { isValidEmail } from '@gaozh/rn-utils';

isValidEmail('[email protected]');
// => true

isValidEmail('invalid-email');
// => false

isValidPhone(phone)

验证中国大陆手机号格式。

import { isValidPhone } from '@gaozh/rn-utils';

isValidPhone('13800138000');
// => true

isValidPhone('12345678901');
// => false

getValidationErrors(error)

从 Zod 错误中提取字段错误信息。

import { getValidationErrors } from '@gaozh/rn-utils';
import { z } from 'zod';

const schema = z.object({
  email: z.string().email(),
  age: z.number().min(18),
});

const result = schema.safeParse({ email: 'invalid', age: 15 });
if (!result.success) {
  const errors = getValidationErrors(result.error);
  // => { email: 'Invalid email', age: 'Number must be >= 18' }
}

🧪 测试

# 运行测试
pnpm test

# 查看覆盖率
pnpm test:coverage

📄 许可证

MIT