From 3eb98641127c7dc03da9fc012136cbc2fbd8e929 Mon Sep 17 00:00:00 2001
From: Price Hiller <price@orion-technologies.io>
Date: Sun, 23 Jun 2024 05:27:09 -0500
Subject: [PATCH] refactor(nvim): improve mime open autocmd

---
 .../dots/.config/nvim/lua/core/autocmds.lua   | 45 +++++++------------
 1 file changed, 16 insertions(+), 29 deletions(-)

diff --git a/users/price/dots/.config/nvim/lua/core/autocmds.lua b/users/price/dots/.config/nvim/lua/core/autocmds.lua
index 05a0e255..f7597e1f 100644
--- a/users/price/dots/.config/nvim/lua/core/autocmds.lua
+++ b/users/price/dots/.config/nvim/lua/core/autocmds.lua
@@ -86,8 +86,8 @@ M.setup = function()
 
             ---@type string? The file extension if detected
             local extension = vim.fn.fnamemodify(path, ":e")
-            ---@type string? The filename if detected
-            local filename = vim.fn.fnamemodify(path, ":t")
+            ---@type string The filename if detected
+            local filename = vim.fn.fnamemodify(path, ":t") or "[Unknown Filename]"
 
             ---Open a given file path in a given program and remove the buffer for the file.
             ---@param buf integer The buffer handle for the opening buffer
@@ -104,35 +104,22 @@ M.setup = function()
                 vim.api.nvim_buf_delete(buf, { force = true })
             end
 
-            local extension_callbacks = {
-                ["pdf"] = open_mime,
-                ["djvu"] = "pdf",
-                ["wav"] = open_mime,
-                ["png"] = open_mime,
-                ["jpg"] = "png",
-                ["docx"] = open_mime,
-                ["mp4"] = open_mime,
-                ["webm"] = open_mime,
-                ["pptx"] = open_mime,
-                ["gif"] = "mp4",
+            local extensions = {
+                "pdf",
+                "djvu",
+                "wav",
+                "png",
+                "jpg",
+                "docx",
+                "mp4",
+                "webm",
+                "pptx",
+                "gif",
             }
 
-            ---Get the extension callback for a given extension. Will do a recursive lookup if an extension callback is actually
-            ---of type string to get the correct extension
-            ---@param ext string A file extension. Example: `png`.
-            ---@return fun(bufnr: integer, path: string, filename: string?) extension_callback The extension callback to invoke, expects a buffer handle, file path, and filename.
-            local function extension_lookup(ext)
-                local callback = extension_callbacks[ext]
-                if type(callback) == "string" then
-                    callback = extension_lookup(callback)
-                end
-                return callback
-            end
-
-            if extension ~= nil and not extension:match("^%s*$") and intercept_file_open then
-                local callback = extension_lookup(extension)
-                if type(callback) == "function" then
-                    callback(bufnr, path, filename)
+            if extension and not extension:match("^%s*$") and intercept_file_open then
+                if vim.list_contains(extensions, extension) then
+                    open_mime(bufnr, path, filename)
                 end
             end
         end,