TS1261: The file name 'xxx' that is already included is different from the file name 'xxx' only in terms of casing

In my project, there is a file located at 

/app/client/modules/activity/pages/New/hooks.ts
. The folder name is New, with the first letter capitalized.

During the webpack build process, I encountered the following error:

ERROR in /root/app/client/modules/activity/pages/new/index.tsx
ERROR in /root/app/client/modules/activity/pages/new/index.tsx(5,45):
TS1261: Already included file name '/root/app/client/modules/activity/pages/new/hooks.ts' differs from file name '/root/app/client/modules/activity/pages/New/hooks.ts' only in casing.
  The file is in the program because:
    Imported via './hooks' from file '/root/app/client/modules/activity/pages/new/index.tsx'
    Root file specified for compilation

tsconfig.json:

{
  "forceConsistentCasingInFileNames": true,
}
  • OS: macOS
  • Disk info:
File System Personality:   APFS
Type (Bundle):             apfs
Name (User Visible):       APFS

I came across a similar question on Stack Overflow regarding 'File name differs from already included file name only in casing' which can be found here.

I have decided to maintain the forceConsistentCasingInFileNames configuration as true.

typescriptmacos

Answer №1

For instance: signal and Signal - the terms differ by just one letter, where one is capitalized while the other is not.

You require: signalStyle and Signal - with more noticeable distinctions.

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