Fix the issue that cannot run in a pre-ES2016 environment.

buffer.js

@@ -0,0 +1,11 @@
+import { Buffer } from 'buffer';
+
+if (!(Buffer.alloc(1).subarray(0, 1) instanceof Buffer)) {
+ Buffer.prototype.subarray = function subarray(start, end) {
+ const result = Uint8Array.prototype.subarray.call(this, start, end);
+ Object.setPrototypeOf(result, Buffer.prototype);
+ return result;
+ };
+}
+
+export default Buffer;

webpack.config.js

@@ -47,7 +47,7 @@ module.exports = function () {
  };
  config.plugins.push(
  new webpack.ProvidePlugin({
- Buffer: ['buffer', 'Buffer']
+ Buffer: [path.resolve(__dirname, 'buffer.js'), 'default'],
  })
  );
  } else {