1{"version":3,"file":"generateFunctionMap.js","names":["_env","data","require","generateFunctionMap","props","env","EXPO_USE_FB_SOURCES"],"sources":["../../src/transformer/generateFunctionMap.ts"],"sourcesContent":["import type { generateFunctionMap as generateFunctionMapType } from 'metro-source-map';\n\nimport { env } from '../env';\n\ntype GenerateFunctionMapParams = Parameters<typeof generateFunctionMapType>;\n\nexport function generateFunctionMap(\n ...props: GenerateFunctionMapParams\n): ReturnType<typeof generateFunctionMapType> | null {\n // `x_facebook_sources` is a source map feature that we disable by default since it isn't documented\n // and doesn't appear to add much value to the DX, it also increases bundle time, and source map size.\n // The feature supposedly provides improved function names for anonymous functions, but we will opt towards\n // linting to prevent users from adding anonymous functions for important features like React components.\n //\n // Here is an example stack trace for a component that throws an error\n // in the root component (which is an anonymous function):\n //\n // Before:\n // - <anonymous> App.js:5:9\n // - renderApplication renderApplication.js:54:5\n // - runnables.appKey.run AppRegistry.js:117:26\n //\n // After:\n // - _default App.js:5:9\n // - renderApplication renderApplication.js:54:5\n // - run AppRegistry.js:117:26\n //\n if (env.EXPO_USE_FB_SOURCES) {\n return (require('metro-source-map') as typeof import('metro-source-map')).generateFunctionMap(\n ...props\n );\n }\n return null;\n}\n"],"mappings":";;;;;;AAEA,SAAAA,KAAA;EAAA,MAAAC,IAAA,GAAAC,OAAA;EAAAF,IAAA,YAAAA,CAAA;IAAA,OAAAC,IAAA;EAAA;EAAA,OAAAA,IAAA;AAAA;AAIO,SAASE,mBAAmBA,CACjC,GAAGC,KAAgC,EACgB;EACnD;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA,IAAIC,UAAG,CAACC,mBAAmB,EAAE;IAC3B,OAAQJ,OAAO,CAAC,kBAAkB,CAAC,CAAuCC,mBAAmB,CAC3F,GAAGC,KAAK,CACT;EACH;EACA,OAAO,IAAI;AACb"}