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refactor(nvim): improve mime open autocmd

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This commit is contained in:
Price Hiller 2024-06-23 05:27:09 -05:00
parent 6d07d72121
commit 3eb9864112
Signed by: Price
GPG Key ID: C3FADDE7A8534BEB
1 changed files with 16 additions and 29 deletions
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45
users/price/dots/.config/nvim/lua/core/autocmds.lua
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@ -86,8 +86,8 @@ M.setup = function()
---@type string? The file extension if detected ---@type string? The file extension if detected
local extension = vim.fn.fnamemodify(path, ":e") local extension = vim.fn.fnamemodify(path, ":e")
---@type string? The filename if detected ---@type string The filename if detected
local filename = vim.fn.fnamemodify(path, ":t") 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. ---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 ---@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 }) vim.api.nvim_buf_delete(buf, { force = true })
end end
local extension_callbacks = { local extensions = {
["pdf"] = open_mime, "pdf",
["djvu"] = "pdf", "djvu",
["wav"] = open_mime, "wav",
["png"] = open_mime, "png",
["jpg"] = "png", "jpg",
["docx"] = open_mime, "docx",
["mp4"] = open_mime, "mp4",
["webm"] = open_mime, "webm",
["pptx"] = open_mime, "pptx",
["gif"] = "mp4", "gif",
} }
---Get the extension callback for a given extension. Will do a recursive lookup if an extension callback is actually if extension and not extension:match("^%s*$") and intercept_file_open then
---of type string to get the correct extension if vim.list_contains(extensions, extension) then
---@param ext string A file extension. Example: `png`. open_mime(bufnr, path, filename)
---@return fun(bufnr: integer, path: string, filename: string?) extension_callback The extension callback to invoke, expects a buffer handle, file path, and filename.
local function extension_lookup(ext)
local callback = extension_callbacks[ext]
if type(callback) == "string" then
callback = extension_lookup(callback)
end
return callback
end
if extension ~= nil and not extension:match("^%s*$") and intercept_file_open then
local callback = extension_lookup(extension)
if type(callback) == "function" then
callback(bufnr, path, filename)
end end
end end
end, end,