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Doesn't work on Windows if launched from a shell with lowercase drive letter #843

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Issue by thedgbrt
Sunday Nov 13, 2016 at 19:15 GMT
Originally opened as storybook-eol/react-native-storybook#113


Hey guys,
congrats for the work on storybook, it's blowing my mind and transforming the way I make apps for the better 😄 !

If I run npm run storybook from a shell starting with a lowercase drive letter : c:\Users\dagobert\dev\awesomeApp>, it warns me of conflicts between modules and then crashes with an error 500.

WARNING in C:/Users/dagobert/dev/awesomeApp/~/babel-runtime/~/core-js/library/modules/_to-index.js
There is another module with an equal name when case is ignored.
This can lead to unexpected behavior when compiling on a filesystem with other case-semantic.
Rename module if multiple modules are expected or use equal casing if one module is expected.
[...hundreds of these]

Error: File C:\Users\dagobert\dev\awesomeApp\node_modules\react-native\packager\react-packager\src\Resolver\polyfills\prelude_dev.js not found in any of the roots
    at Fastfs._getAndAssertRoot (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/fastfs.js:163:21)
    at Fastfs._getFile (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/fastfs.js:173:25)
    at Fastfs.readFile (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/fastfs.js:93:23)
    at Polyfill._read (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/Module.js:120:40)
    at _cache.get (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/Module.js:139:16)
    at Cache.get (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/Cache/index.js:82:35)
    at Polyfill.read (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/node-haste/Module.js:134:24)
    at Bundler._toModuleTransport (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/Bundler/index.js:577:14)
    at module (C:/Users/dagobert/dev/awesomeApp/node_modules/react-native/packager/react-packager/src/Bundler/index.js:412:14)
    at Array.map (native)

It took me two hours to realize that when I'm launching the command from this location C:\Users\dagobert\dev\awesomeApp> instead, it works as intended.

The conflict comes from the uppercase / lowercase drive letter on windows, as both work for navigating in the terminal.

I did some digging and found these issues in other npm modules
webpack/webpack#2694

And this one that might be the solution (26 Sept by Allov)
webpack/webpack#2815 (comment)

It seems like it can be fixed by forcing the script to cd to the same directory(but starting with an uppercase letter) before running any other command.

If you let me know where the script happens I can try to fix it.

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