bug: CapacitorHttp - Loading a WASM file fails on native iOS and Android

[KevinKelchen]

Bug Report

Capacitor Version

💊   Capacitor Doctor  💊 

Latest Dependencies:

  @capacitor/cli: 4.5.0
  @capacitor/core: 4.5.0
  @capacitor/android: 4.5.0
  @capacitor/ios: 4.5.0

Installed Dependencies:

  @capacitor/cli: 4.5.0
  @capacitor/android: 4.5.0
  @capacitor/core: 4.5.0
  @capacitor/ios: 4.5.0

[success] iOS looking great! 👌
[success] Android looking great! 👌

Platform(s)

Native iOS
Native Android

Current Behavior

On native iOS and Android, there appears to be an issue with loading a WASM file via fetch (which uses CapacitorHttp at a lower level) and calling WebAssembly.instantiateStreaming() on it. The repro uses the esri ArcGIS API for JavaScript v3.x which loads a WASM file. I don't know much about using WASM, so I did not tear down to a more minimal repro.

Native iOS without CapacitorHttp, native Android without CapacitorHttp, and Web work fine.

Expected Behavior

Native iOS and Android should work like the Web's fetch when loading a WASM file in this way.

Code Reproduction

https://github.com/KevinKelchen/capacitor-http-wasm-issue#steps-to-reproduce

Other Technical Details

npm --version output: 8.15.0

node --version output: v16.17.0

pod --version output (iOS issues only): 1.11.3

Additional Context

[ionitron-bot]

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