anKeYuan-vendingMachine/utils/auth.js

function browserDetection() {
	const ua = window.navigator.userAgent.toLowerCase()
	// 检测是否包含 micromessenger 且不包含 miniprogram（排除小程序环境）
	const isWeixin = /micromessenger/i.test(ua) && !/miniprogram/i.test(ua)
	if (!isWeixin) {
		uni.redirectTo({
			url: '/pages/warning',
		});
	}
}

function safeToNumber(value, options = {}) {
  const { defaultVal = NaN, allowFloat = true } = options;
  if (typeof value !== 'string') {
    return defaultVal;
  }
  const trimmed = value.trim();
  if (trimmed === '') {
    return defaultVal;
  }
  let result;
  if (allowFloat) {
    result = Number(trimmed);
  } else {
    if (/\.|e/i.test(trimmed)) {
      return defaultVal;
    }
    result = parseInt(trimmed, 10);
  }
  if (!Number.isFinite(result)) {
    return defaultVal;
  }

  return result;
}

export { browserDetection , safeToNumber }