posenet demo compile error when use devtool preview

[chen-yt]

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TensorFlow.js version 3.5.0
tfjs-wechat plugin version 0.2.0
WeChat version none
WeChat base API version 2.17.3
WeChat IDE version 1.05.2105170
Describe the problem or feature request
The posenet demo with latest code compile error when use devtool preview, see the information
message：Error: miniprogram_npm/@tensorflow/tfjs-backend-webgl/index.js: file: miniprogram_npm/@tensorflow/tfjs-backend-webgl/index.js
Unexpected token: operator (>)
1037 | var _loop = function (_t3) {
1038 | var r = n.util.indexToLoc(_t3, u, l),

1039 | o = r.slice(-p);x.forEach(e => o[e] = 0);var s = n.util.locToIndex(o, p, h),
| ^
1040 | c = r.slice(-f);g.forEach(e => c[e] = 0);var m = n.util.locToIndex(c, f, v);d[_t3] = e(a[s], i[m]);
1041 | };
1042 |
ideVersion: 1.05.2105170
osType: darwin-x64
time: 2021-06-17 16:23:53

Code to reproduce the bug / link to feature request

[chen-yt]

By the way, posenet demo run in above iOS v14.5 will cause range error, use tf.broswer.fromPixels can solve this problem, but I feel the efficiency has decresed.