I want to use mediainfo.js in React.js without 'eject' command

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I’m trying to use mediainfo.js with React.js.

Looking at the usage example in React.js of the above site, it is set by "webpack.config.js".
However, when I build the environment using create-react-app, "webpack.config.js" is wrapped and it seems that it can not be edited without executing the ‘eject’ command.

If you use npm package "react-app-rewired", you can edit it without executing the reject command, so I tried it.

// config-override.js (overwrites webpack.config.js)

const { resolve } = require('path');
const CopyPlugin = require('copy-webpack-plugin');

const wasmFile = resolve(
  __dirname,
  'node_modules',
  'mediainfo.js',
  'dist'
);
const dist = resolve('build', 'static', 'js');

// template from https://www.npmjs.com/package/react-app-rewired
module.exports = {
  webpack: function(config, env) {
    config.plugins.push(new CopyPlugin({
      patterns: [
        { from: wasmFile, to: dist },
      ],
    }),)
    return config;
  },
}

Here is the whole project.

https://github.com/ottonove/test_mediainfo

The one generated by "npm run build" works normally, but when I run it by "npm run start", the following error occurs.

Uncaught (in promise) RuntimeError: abort(CompileError: WebAssembly.instantiate(): expected magic word 00 61 73 6d, found 3c 21 44 4f @+0). Build with -s ASSERTIONS=1 for more info.

The following warning is also issued.

wasm streaming compile failed: TypeError: Failed to execute 'compile' on 'WebAssembly': Incorrect response MIME type. Expected 'application/wasm'.

How do I set it to work with "npm run start"?

I would appreciate it if you could teach me.

95 thoughts on “I want to use mediainfo.js in React.js without 'eject' command”

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