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57 lines
1.6 KiB
57 lines
1.6 KiB
/**
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* 格式化字符串
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* @param formatted 需要处理的字符串
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* @param args 参数列表，可以是数组，也可以是对象
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* @returns 返回格式化的字符串
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* @example format('Hello, {0}!', ['World'])
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* @example format('Hello, {name}!', {name: 'World'})
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*/
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export function format(formatted: string, args: object | any[]) {
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if (Array.isArray(args)) {
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for (let i = 0; i < args.length; i++) {
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const regexp = new RegExp('\\{' + i + '\\}', 'gi');
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formatted = formatted.replace(regexp, args[i]);
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}
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} else if (typeof args === 'object') {
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Object.keys(args).forEach((key) => {
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const regexp = new RegExp('\\{' + key + '\\}', 'gi');
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formatted = formatted.replace(regexp, args[key]);
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});
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}
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return formatted;
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}
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/**
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* 字符串转驼峰格式
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* @param str 字符串
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* @returns 字符串的驼峰表示法
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* @example toCamelCase('hello-world') => helloWorld
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* @example toCamelCase('my_variable_name') => myVariableName
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*/
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export function toCamelCase(str: string) {
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return str.replace(/[-_\s](\w)/g, function (_, c) {
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return c ? c.toUpperCase() : '';
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});
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}
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/**
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*
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* @param str 字符串是否为空或空格
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* @returns
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*/
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export function isNullOrWhiteSpace(str?: string) {
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return str === undefined || str === null || str === '' || str === ' ';
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}
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export function tryToJson(str: string | undefined) {
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if (!str || str.length === 0) return {};
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try {
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return JSON.parse(str);
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} catch {
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return str;
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}
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}
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export function getUnique(val: string) {
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const arr = val.split('');
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const newArr = [...new Set(arr)];
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return newArr.join('');
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}
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