vantui-edit/es/common/version.js

一套适用于Taro3及React的vantui组件库

import Taro, { getSystemInfoSync as TaroGetSystemInfoSync, canIUse } from '@tarojs/taro';

function compareVersion(v1, v2) {
  v1 = v1.split('.');
  v2 = v2.split('.');
  var len = Math.max(v1.length, v2.length);

  while (v1.length < len) {
    v1.push('0');
  }

  while (v2.length < len) {
    v2.push('0');
  }

  for (var i = 0; i < len; i++) {
    var num1 = parseInt(v1[i], 10);
    var num2 = parseInt(v2[i], 10);

    if (num1 > num2) {
      return 1;
    }

    if (num1 < num2) {
      return -1;
    }
  }

  return 0;
}

var systemInfo;

function getSystemInfoSync() {
  if (systemInfo == null) {
    systemInfo = TaroGetSystemInfoSync();
  }

  return systemInfo;
}

function gte(version) {
  var system = getSystemInfoSync();
  return compareVersion(system.SDKVersion || system.version, version) >= 0;
}

export function canIUseModel() {
  return gte('2.9.3');
}
export function canIUseFormFieldButton() {
  return gte('2.10.3');
}
export function canIUseAnimate() {
  return gte('2.9.0');
}
export function canIUseGroupSetData() {
  return gte('2.4.0');
}
export function canIUseNextTick() {
  return canIUse('nextTick');
}
export function canIUseCanvas2d() {
  return gte('2.9.0');
}
export function canIUseGetUserProfile() {
  return !!Taro.getUserProfile;
}