Issue encountered when compiling a React app on Windows due to identical file names with varying casing

I've been encountering compile errors in several of my files. One particular issue arises when I run the script in my package.json: "react-scripts start", causing errors when two files with similar names are located in the same directory.

For instance, having both of these files in the same location: 

src\Context\GlobalContext\globalContext.ts

src\Context\GlobalContext\GlobalContext.tsx

When attempting to import the GlobalContext.tsx file, the compiler appears to be ignoring it and searching for globalContext.ts.

Compiled with problems:X

ERROR in ./src/App.tsx 14:0-66

Module not found: Error: Cannot find file: 'GlobalContext.ts' does not match the corresponding name on disk: '.\src\Context\GlobalContext\globalContext.ts'.

...

src\App.tsx
  Line 9:27:   Casing of ./Context/GlobalContext/GlobalContext does not match the underlying filesystem  import/no-unresolved
  Line 10:25:  Casing of ./Context/UserContext/UserContext does not match the underlying filesystem      import/no-unresolved

The problem seems to go both ways. The error suggests that the compiler is looking for a SearchContext.tsx file instead of a searchContext.ts file. It doesn't seem to recognize the 'x' in .tsx, leading to confusion:

TS1149: File name 'C:/../src/Context/SearchContext/searchContext.ts'
differs from already included file name
'C:/.../src/Context/SearchContext/SearchContext.ts'
only in casing.

This was never an issue on Linux and only recently became problematic on my Windows OS. Similar issues are also occurring with my Node/Express server. I installed ts-node

Steps I have taken to address this include:

  1. Reloading VS Code
  2. Restarting my computer
  3. Toggling tsconfig.ts compilerOptions: 
    "forceConsistentCasingInFileNames": false
  4. Clearing the VS Code cache (all above solutions from this thread)
  5. Restart the typescript server: opening the Command Palette (Ctrl+Shift+P) --> Select Typescript: Restart TS
  6. Removing my VS code workspace (as per this suggestion)
  7. Changing file names resolves the issue. For example, renaming GlobalContext.tsx to GlobalContextProvider.tsx in both the import statement and the file name prevents the error.
typescriptwindowsvisual-studio-codecreate-react-app

Answer №1

I came across a blog post that discusses the issue I'm facing: , as well as a GitHub thread on the topic https://github.com/Microsoft/TypeScript/issues/21736

Previously, I was working on Linux where file imports are case-sensitive. However, on Windows and MacOS, this is not the case. This has caused confusion when dealing with files of the same name but with different cases, even when they have distinct .ts/.tsx extensions.

I discovered that setting 

"forceConsistentCasingInFileNames": true
in the tsconfig.ts under compilerOptions: only provides warnings about inconsistent casings without actually resolving the issue.

Unfortunately, there doesn't seem to be an easy way to make Windows recognize case sensitivity. As a result, the solution I found was to rename all similar files to avoid conflicts.

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