Abhishek-kumar-samsung opened a new pull request, #23702:
URL: https://github.com/apache/superset/pull/23702
This error was coming with me, and 3-4 other pc's in which i tried to setup.
`Error: You must provide the URL of lib/mappings.wasm by calling
SourceMapConsumer.initialize({ 'lib/mappings.wasm': ... }) before using
SourceMapConsumer
at readWasm
(/home/test/superset_setup/superset/superset-frontend/node_modules/react-hot-loader/node_modules/source-map/lib/read-wasm.js:8:13)
at wasm
(/home/test/superset_setup/superset/superset-frontend/node_modules/react-hot-loader/node_modules/source-map/lib/wasm.js:25:16)
at
/home/test/superset_setup/superset/superset-frontend/node_modules/react-hot-loader/node_modules/source-map/lib/source-map-consumer.js:264:14
`
How to reproduce:
1. Try fresh installation
2. after superset/superset-frontend when you will do `npm run dev-server` ,
then above error will come.
Above error was also resolved by doing this:
`export NODE_OPTIONS=--no-experimental-fetch`
But i thought it is better to put in code.
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