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We just launched our website but I'm facing a problem on Edge. I can't figure out where the error is coming from, I made sure there is no rest syntax in any script.

This is our website: https://bubblydoo.be/nl

If you have other feedback regarding the website, you can definitely let me know!

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  • Please check the polyfills.ts file, make sure you have uncomment the related import reference for the IE/Edge browser. Commented Oct 23, 2019 at 7:58
  • Code should be included in the question, not linked to your site. Commented Feb 12, 2024 at 14:58

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The problem was that some modules, including picomatch, were not transpiled to ES5, and webpack doesn't transpile any node_modules, it just takes them as is. Picomatch was included by an internal library that was bundled by Rollup, so I used babel (rollup-plugin-babel) to transpile it:

babel({
  exclude: /node_modules\/(?!picomatch)/,
})
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I had a similar issue. Webpack was splitting out one bundle for old browsers which support the type=module tag and another bundle for older browsers which don't support it. However, even though Edge does support the module tag, there is some code inside the vendors.bundle.js stemming from node_modules which is incompatible with the current version of Edge. When I manually switched Edge to use the "old browser" bundle, the app ran fine - so apparently the code needs transpilation for Edge still.

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