Duplicate identifiers... among other errors

[clechner77]

Getting duplicate identifier errors.... uninstalled the fetch definitions via npm uninstall @types/whatwg-fetch as current webpack has them installed. Of course, then sp-pnp-js gets cranky...

error TS2300: Duplicate identifier 'Headers'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (11177,13): error TS2300: Duplicate identifier 'Headers'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (13544,11): error TS2300: Duplicate identifier 'ReadableStream'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (13550,13): error TS2300: Duplicate identifier 'ReadableStream'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (13566,11): error TS2300: Duplicate identifier 'Request'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (13583,13): error TS2300: Duplicate identifier 'Request'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (13588,11): error TS2300: Duplicate identifier 'Response'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (13599,13): error TS2300: Duplicate identifier 'Response'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (17714,14): error TS2687: All declarations of 'bodyUsed' must have identical modifiers.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\ typescript\lib\lib.d.ts (19116,18): error TS2300: Duplicate identifier 'fetch'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (19121,6): error TS2300: Duplicate identifier 'BodyInit'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (19142,6): error TS2300: Duplicate identifier 'HeadersInit'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\typescript\lib\lib.d.ts (19152,6): error TS2300: Duplicate identifier 'RequestInfo'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-streams\index .d.ts (32,15): error TS2300: Duplicate identifier 'ReadableStream'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index. d.ts (11,13): error TS2300: Duplicate identifier 'fetch'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.ts (13,14): error TS2300: Duplicate identifier 'HeadersInit'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.t s (14,15): error TS2300: Duplicate identifier 'Headers'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.ts (31,14): error TS2300: Duplicate identifier 'BodyInit'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.ts (33,5): error TS2687: All declarations of 'bodyUsed' must have identical modifiers.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@typ es\whatwg-fetch\index.d.ts (41,14): error TS2300: Duplicate identifier 'RequestInfo'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.t s (42,15): error TS2300: Duplicate identifier 'Request'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.ts (61,11): error TS2300: Duplicate identifier 'Request'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.ts (67,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'referrerPolicy' must be of type 'string', but here has type 'ReferrerPolicy'.C:\Users\clechner\Documents\dev\SPOproj\usermaint\node_modules\@types\whatwg-fetch\index.d.ts (68,5): error TS2403: Subsequent variable declarations must have the same type. Variable 'mode' must be of type 'string', but here has type 'RequestM

[garrytrinder]

Sorry, not been keeping up on this as much as I would like... I needs to be updated to reflect the latest version of PnP Core JS where there have been breaking changes from v1 to v2.

[clechner77]

I figured that was the issue after taking a peak at PnP CoreJS....