├── README.md
├── ftplugin
    └── elixir.vim
└── plugin
    └── elixir-alternate.vim


/README.md:
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 1 | # vim-elixir-alternative-files
 2 | 
 3 | Vim script for alternating between test and implementation files for Elixir
 4 | 
 5 | ## Installation with Vundle:
 6 | 
 7 | ```
 8 | Plugin 'renderedtext/vim-elixir-alternative-files'
 9 | ```
10 | 
11 | Currently, you have to define a shortcut:
12 | 
13 | ```
14 | nnoremap <silent><leader><leader> :call ElixirAlternateFile()<cr>
15 | ```
16 | 


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/ftplugin/elixir.vim:
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1 | command! -buffer A :call ElixirAlternateFile()
2 | 


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/plugin/elixir-alternate.vim:
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 1 | function! ElixirGetAlternateFilenameForImplementation(filepath)
 2 |   let currentFileRoot = split(a:filepath, ".ex$")[0]
 3 | 
 4 |   let testPath = substitute(currentFileRoot, "lib/", "test/", "")
 5 |   let fileToOpen = testPath . "_test.exs"
 6 | 
 7 |   return fileToOpen
 8 | endfunction
 9 | 
10 | function! ElixirGetAlternateFilenameForTest(filepath)
11 |   let currentFileRoot = split(a:filepath, "_test.exs$")[0]
12 | 
13 |   let implementationPath = substitute(currentFileRoot, "test/", "lib/", "")
14 |   let fileToOpen = implementationPath . ".ex"
15 | 
16 |   return fileToOpen
17 | endfunction
18 | 
19 | function! ElixirGetAlternateFilename(filepath)
20 |   let fileToOpen = ""
21 | 
22 |   if empty(matchstr(a:filepath, "_test"))
23 |     let fileToOpen = ElixirGetAlternateFilenameForImplementation(a:filepath)
24 |   else
25 |     let fileToOpen = ElixirGetAlternateFilenameForTest(a:filepath)
26 |   endif
27 | 
28 |   return fileToOpen
29 | endfunction
30 | 
31 | function! ElixirAlternateFile()
32 |   let currentFilePath = expand(bufname("%"))
33 |   let fileToOpen = ElixirGetAlternateFilename(currentFilePath)
34 | 
35 |   echo fileToOpen
36 | 
37 |   if filereadable(fileToOpen)
38 |     exec(":e" . " " . fileToOpen)
39 |   else
40 |     echoerr "couldn't find file " . fileToOpen
41 |   endif
42 | endfunction
43 | 


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