fix(gatsby): fix hot-reloading for hooks (patch hmr) #13713
Merged
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Should fix hot-reloading issues for new react features (hooks) and also fix the issue with
You must provide the URL of lib/mappings.wasm
. A few packages use isomorphic-fetch which polyfills global.fetch.The source-map package doesn't deal with pollyfilled versions so it will go for the web version instead of trying to load wasm with nodejs. (https://github.com/mozilla/source-map/blob/0.7.3/lib/read-wasm.js#L1). It's fixed in 0.8.0-beta but it hasn't been released for a while so for now I manually monkey patch the hmr package.
// error:
You can test this PR on gatsby-www or create a new starter and include isomorphic-fetch inside gatsby-config.js
References:
#13610 (comment)
#13641