@vnmfify/core/utils/version.js

```shell npm i @vnmfify/core -S ```

import { getSystemInfoSync } from "@vnxjs/vnmf";
import { inQQ, inWechat } from "./base";

function compareVersion(o1, o2) {
  var v1 = o1.split(".");
  var v2 = o2.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;
}

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

export function canIUseCanvas2d() {
  if (inQQ) {
    return false;
  }

  if (inWechat) {
    return gte("2.9.0");
  }

  return true;
}
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