antd-mini/native/_util/compareVersion.ts

antd-mini 是支付宝小程序 UI 组件库，遵循 Ant Design 规范。

export function compareVersion(v1: string, v2: string): number {
  if (v1 === v2) return 0;
  const v1Arr = v1.split('.');
  const v2Arr = v2.split('.');
  const len = v1Arr.length < v2Arr.length ? v1Arr.length : v2Arr.length;
  let i = 0;
  while (i <= len) {
    if (v1Arr[i] === v2Arr[i]) {
      i++;
    } else if (!v1Arr[i] || !v2Arr[i]) {
      return v1Arr.length > v2Arr.length ? 1 : -1;
    } else {
      return Number(v1Arr[i]) === Number(v2Arr[i])
        ? 0
        : Number(v1Arr[i]) > Number(v2Arr[i])
          ? 1
          : -1;
    }
  }
}