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@ticatec/node-common-library

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A comprehensive Node.js database access framework providing robust abstractions for database connection management, SQL execution, transaction handling, pagination, and dynamic query building.

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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); const uuid_1 = require("uuid"); /** * 判断字符串是否为空(null、undefined或空白字符串) * @param s - 要检查的字符串 * @returns 如果为空则返回true */ const isEmpty = (s) => { return s == null || (isString(s) && s.trim().length == 0); }; /** * 生成32位UUID,去除所有的分隔符'-' * @returns 生成的32位无分隔符的UUID字符串 */ const genID = () => { return (0, uuid_1.v4)().replace(/-/g, ''); }; /** * 给一个字符串添加到指定的长度,比如输入的('45', '0', 4),返回0045 * @param s 待处理的字符串 * @param prefix 要添加的字符 * @param len 期望长度 */ const leftPad = (s, prefix, len) => { if (s.length < len) { let prefixStr = ''; let diffLen = len - s.length; for (let i = 0; i < diffLen; i++) { prefixStr += '0'; } return prefixStr + s; } return s; }; /** * 生成标准格式的UUID(包含分隔符'-') * @returns 标准格式的UUID字符串 */ const uuid = () => { return (0, uuid_1.v4)(); }; /** * 判断值是否为字符串类型 * @param s - 要检查的值 * @returns 如果是字符串类型则返回true */ const isString = (s) => { return typeof s == 'string'; }; /** * 判断字符串是否为数字格式 * @param s - 要检查的字符串 * @returns 如果是数字格式则返回true */ const isNumber = (s) => { return isString(s) && !isNaN(s); }; /** * 解析字符串为整数,如果解析失败则返回默认值 * @param s - 要解析的字符串或数字 * @param defValue - 解析失败时的默认值,默认为0 * @returns 解析后的整数值 */ const parseNumber = (s, defValue = 0) => { return typeof s == 'number' ? s : isNumber(s) ? parseInt(s) : defValue; }; let StringUtils = { isEmpty, genID, uuid, leftPad, isString, isNumber, parseNumber }; exports.default = StringUtils; //# sourceMappingURL=StringUtils.js.map