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|
-- SPDX-License-Identifier: MIT
--
-- Copyright (c) 2026 Mikołaj Kozłowski
--
-- Portions of this file are derived from:
-- prichrd/netrw.nvim (MIT)
-- https://github.com/prichrd/netrw.nvim
local M = {}
local parse = require("netrw.parse")
local icon_provider = nil
local function get_icon_provider(prefer)
local providers = {}
local has_devicons, devicons = pcall(require, "nvim-web-devicons")
if has_devicons then
providers.devicons = devicons
end
local has_miniicons, miniicons = pcall(require, "mini.icons")
if has_miniicons then
providers.miniicons = miniicons
end
if prefer and providers[prefer] then
return { type = prefer, provider = providers[prefer] }
end
if providers.miniicons then
return { type = "miniicons", provider = providers.miniicons }
elseif providers.devicons then
return { type = "devicons", provider = providers.devicons }
end
return nil
end
local function get_file_icon(node)
if not icon_provider then
return nil, nil
end
if icon_provider.type == "devicons" then
local icon, hl = icon_provider.provider.get_icon(node.node, nil, { strict = true, default = false })
return icon, hl
elseif icon_provider.type == "miniicons" then
local icon, hl = icon_provider.provider.get("file", node.node)
return icon, hl
end
return nil, nil
end
local function get_lsp_diagnostics(bufnr, node)
local diagnostics = {}
local filepath = node.dir .. "/" .. node.node
local diag = vim.diagnostic.get(nil, { path = filepath })
for _, d in ipairs(diag) do
if d.severity == vim.diagnostic.severity.ERROR and M.options.lsp.error then
table.insert(diagnostics, { icon = "E", hl = "DiagnosticError" })
elseif d.severity == vim.diagnostic.severity.WARN and M.options.lsp.warn then
table.insert(diagnostics, { icon = "W", hl = "DiagnosticWarn" })
elseif d.severity == vim.diagnostic.severity.INFO and M.options.lsp.info then
table.insert(diagnostics, { icon = "I", hl = "DiagnosticInfo" })
elseif d.severity == vim.diagnostic.severity.HINT and M.options.lsp.hint then
table.insert(diagnostics, { icon = "H", hl = "DiagnosticHint" })
end
end
return diagnostics
end
local function draw(bufnr)
local namespace = vim.api.nvim_create_namespace("netrw")
vim.api.nvim_buf_clear_namespace(bufnr, namespace, 0, -1)
local lines = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
for i, line in ipairs(lines) do
local node = parse.get_node(line)
if node then
-- Draw file/dir icon on the left
if (node.type == parse.TYPE_FILE and M.options.file) or
(node.type == parse.TYPE_DIR and M.options.dir) then
local icon, hl = get_file_icon(node)
if icon then
local opts = {
id = i * 2, -- Unique ID for icon
virt_text = hl and { { icon .. " ", hl } } or { { icon .. " " } },
virt_text_pos = "inline",
}
vim.api.nvim_buf_set_extmark(bufnr, namespace, i - 1, node.icon_col, opts)
end
end
-- Draw LSP diagnostics on the right
if node.type == parse.TYPE_FILE then
local diagnostics = get_lsp_diagnostics(bufnr, node)
if #diagnostics > 0 then
local virt_text = {}
for _, diag in ipairs(diagnostics) do
table.insert(virt_text, { " " .. diag.icon, diag.hl })
end
local opts = {
id = i * 2 + 1, -- Unique ID for LSP
virt_text = virt_text,
virt_text_pos = "inline",
}
vim.api.nvim_buf_set_extmark(bufnr, namespace, i - 1, node.lsp_col, opts)
end
end
end
end
end
--- @class Config
M.options = {}
--- @class Config
local default = {
-- Preferred icon provider:
-- nil -> auto-detect
-- "miniicons" -> use mini.icons
-- "devicons" -> use nvim-web-devicons
prefer = nil,
-- Show icons for files
file = true,
-- Show icons for directories
dir = true,
-- LSP diagnostics integration
lsp = {
info = false,
hint = false,
warn = true,
error = true,
}
}
---@param options Config|nil
function M.setup(options)
M.options = vim.tbl_deep_extend("force", {}, default, options or {})
if M.options.file or M.options.dir then
icon_provider = get_icon_provider(M.options.prefer)
end
vim.api.nvim_create_autocmd({ "BufEnter", "DiagnosticChanged" }, {
pattern = "*",
group = vim.api.nvim_create_augroup("netrw_icons", { clear = true }),
callback = function(args)
if vim.bo[args.buf].filetype ~= "netrw" then
return
end
draw(args.buf)
end
})
end
return M
|
