answer-mini/wechat-app/static/vant/common/version.js

import { getSystemInfoSync } from './utils';
function compareVersion(v1, v2) {
  v1 = v1.split('.');
  v2 = v2.split('.');
  const len = Math.max(v1.length, v2.length);
  while (v1.length < len) {
    v1.push('0');
  }
  while (v2.length < len) {
    v2.push('0');
  }
  for (let i = 0; i < len; i++) {
    const num1 = parseInt(v1[i], 10);
    const num2 = parseInt(v2[i], 10);
    if (num1 > num2) {
      return 1;
    }
    if (num1 < num2) {
      return -1;
    }
  }
  return 0;
}
export function canIUseModel() {
  const system = getSystemInfoSync();
  return compareVersion(system.SDKVersion, '2.9.3') >= 0;
}
export function canIUseFormFieldButton() {
  const system = getSystemInfoSync();
  return compareVersion(system.SDKVersion, '2.10.3') >= 0;
}