feat: adds test neovim syntax

home/deepak/home.nix

@@ -61,12 +61,14 @@
       ctrlp-vim
       # lsp stuff
       nvim-lspconfig
+      wiki-vim
     ];
     extraConfig = ''
       inoremap jj <Esc>
       inoremap kk <Esc>
       lua << EOF
       require'lspconfig'.nil_ls.setup{}
+      ${builtins.readFile ./neovim/wiki-vim.lua}
     '';
   };
 

home/deepak/neovim/wiki-vim.lua

@@ -0,0 +1,54 @@
+-- vim.g.wiki_root = "/path/to/obsidian/vault"
+vim.g.wiki_root = "~/wiki"
+
+local function find_wiki_path_for_file(filename)
+    -- recursively search for the file name in the wiki_root using ripgrep
+    local rg_result_pipe = assert(io.popen(string.format(
+        "rg -g '%s' --files \"%s\"",
+        filename,
+        vim.g.wiki_root
+    )))
+    local rg_result = rg_result_pipe:read("*line")
+    rg_result_pipe:close()
+
+    -- if ripgrep found a result, return that
+    if rg_result then return rg_result end
+
+    -- if it didn't find a result, the file does not exist;
+    -- in that case, the link will point to the (not yet existing)
+    -- corresponding file in the wiki_root
+    if vim.g.wiki_root:sub(-1) == "/" then
+        return vim.g.wiki_root .. filename
+    else
+        return vim.g.wiki_root .. "/" .. filename
+    end
+end
+
+local function resolve_wiki_link(url)
+    local components = {}
+    for element in (url.stripped .. "#"):gmatch("([^#]*)#") do
+        table.insert(components, element)
+    end
+
+    local filename = components[1]
+    url.anchor = components[2] or ""
+
+    -- infer the .md file extension
+    if filename:sub(-3) ~= ".md" then filename = filename .. ".md" end
+
+    if url.origin:sub(1, #vim.g.wiki_root) == vim.g.wiki_root then
+        -- if the "origin" (the file that contains the link) is in the wiki_root,
+        -- the wiki_root directory is recursively searched for the file name;
+        url.path = find_wiki_path_for_file(filename)
+    else
+        -- if the origin is not in the wiki_root,
+        -- fall back to only looking in the same directory as the origin
+        url.path = url.origin:match(".*/") .. filename
+    end
+
+    return url
+end
+
+vim.g.wiki_link_schemes = {
+    wiki = { resolver = resolve_wiki_link, },
+}