antd-mini/compiled/wechat/src/_util/compareVersion.js

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

export function compareVersion(v1, v2) {
    if (v1 === v2)
        return 0;
    var v1Arr = v1.split('.');
    var v2Arr = v2.split('.');
    var len = v1Arr.length < v2Arr.length ? v1Arr.length : v2Arr.length;
    var 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;
        }
    }
}