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could not load "mediainfo.wasm" in electron renderer

See original GitHub issue
GET //mediainfo.wasm net::ERR_FILE_NOT_FOUND
index.html:1 Uncaught (in promise) TypeError: Failed to fetch
mediainfo.js:874 GET http://mediainfo.wasm/ net::ERR_NAME_NOT_RESOLVED
Uncaught (in promise) TypeError: Failed to fetch

I’m using electron and react. and import mediainfo.js from App.js with this line. import MediaInfo from "mediainfo.js"; I put mediainfo.wasm file into /public directory, but not works.

Issue Analytics

  • State:closed
  • Created 3 years ago
  • Comments:6 (3 by maintainers)

github_iconTop GitHub Comments

buzzcommented, Apr 20, 2020

Thanks for sharing the test repository.

The issue is not related to electron. Your webpack build doesn’t include mediainfo.wasm. If you investigate using the browsers developer tools, you can see that the request for mediainfo.wasm is 200 success, but your app returns some HTML page, not the wasm file. Thus you’re getting the magic word error. is a React app bundled with webpack. You can use it as a reference. I also published the code for it. To solve the problem I chose to customize the webpack configuration so that mediainfo.wasm is copied over to the destination folder (using the copy-webpack-plugin).

buzzcommented, Apr 21, 2020

The locateFile function is part of the emscripten loader code. I think they tailored it towards being used inside a real browser context. It might be that you need to patch the code in order to make electron find the mediainfo.wasm.

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