refactor: cleanup utils and expose lazy (#83)

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

lua/avante/utils/init.lua

@@ -0,0 +1,238 @@
+local api = vim.api
+local fn = vim.fn
+
+---@class avante.Utils: LazyUtilCore
+---@field colors avante.util.colors
+local M = {}
+
+setmetatable(M, {
+  __index = function(t, k)
+    local ok, lazyutil = pcall(require, "lazy.core.util")
+    if ok and lazyutil[k] then
+      return lazyutil[k]
+    end
+
+    ---@diagnostic disable-next-line: no-unknown
+    t[k] = require("avante.utils." .. k)
+    return t[k]
+  end,
+})
+
+---@param str string
+---@param opts? {suffix?: string, prefix?: string}
+function M.trim(str, opts)
+  if not opts then
+    return str
+  end
+  if opts.suffix then
+    return str:sub(-1) == opts.suffix and str:sub(1, -2) or str
+  elseif opts.prefix then
+    return str:sub(1, 1) == opts.prefix and str:sub(2) or str
+  end
+end
+
+function M.in_visual_mode()
+  local current_mode = vim.fn.mode()
+  return current_mode == "v" or current_mode == "V" or current_mode == ""
+end
+
+-- Get the selected content and range in Visual mode
+-- @return avante.SelectionResult | nil Selected content and range
+function M.get_visual_selection_and_range()
+  local Range = require("avante.range")
+  local SelectionResult = require("avante.selection_result")
+
+  if not M.in_visual_mode() then
+    return nil
+  end
+  -- Get the start and end positions of Visual mode
+  local start_pos = vim.fn.getpos("v")
+  local end_pos = vim.fn.getpos(".")
+  -- Get the start and end line and column numbers
+  local start_line = start_pos[2]
+  local start_col = start_pos[3]
+  local end_line = end_pos[2]
+  local end_col = end_pos[3]
+  -- If the start point is after the end point, swap them
+  if start_line > end_line or (start_line == end_line and start_col > end_col) then
+    start_line, end_line = end_line, start_line
+    start_col, end_col = end_col, start_col
+  end
+  local content = ""
+  local range = Range.new({ line = start_line, col = start_col }, { line = end_line, col = end_col })
+  -- Check if it's a single-line selection
+  if start_line == end_line then
+    -- Get partial content of a single line
+    local line = vim.fn.getline(start_line)
+    -- content = string.sub(line, start_col, end_col)
+    content = line
+  else
+    -- Multi-line selection: Get all lines in the selection
+    local lines = vim.fn.getline(start_line, end_line)
+    -- Extract partial content of the first line
+    -- lines[1] = string.sub(lines[1], start_col)
+    -- Extract partial content of the last line
+    -- lines[#lines] = string.sub(lines[#lines], 1, end_col)
+    -- Concatenate all lines in the selection into a string
+    content = table.concat(lines, "\n")
+  end
+  if not content then
+    return nil
+  end
+  -- Return the selected content and range
+  return SelectionResult.new(content, range)
+end
+
+--- Start an async job
+---@param cmd string
+---@param callback fun(data: string[]): nil
+function M.job(cmd, callback)
+  fn.jobstart(cmd, {
+    stdout_buffered = true,
+    on_stdout = function(_, data, _)
+      callback(data)
+    end,
+  })
+end
+
+---Only call the passed function once every timeout in ms
+---@param timeout integer
+---@param func function
+---@return function
+function M.throttle(timeout, func)
+  local timer = vim.loop.new_timer()
+  local running = false
+  return function(...)
+    if not running then
+      func(...)
+      running = true
+      timer:start(timeout, 0, function()
+        running = false
+      end)
+    end
+  end
+end
+
+---Wrapper around `api.nvim_buf_get_lines` which defaults to the current buffer
+---@param start integer
+---@param _end integer
+---@param buf integer?
+---@return string[]
+function M.get_buf_lines(start, _end, buf)
+  return api.nvim_buf_get_lines(buf or 0, start, _end, false)
+end
+
+---Get cursor row and column as (1, 0) based
+---@param win_id integer?
+---@return integer, integer
+function M.get_cursor_pos(win_id)
+  return unpack(api.nvim_win_get_cursor(win_id or 0))
+end
+
+---Check if the buffer is likely to have actionable conflict markers
+---@param bufnr integer?
+---@return boolean
+function M.is_valid_buf(bufnr)
+  bufnr = bufnr or 0
+  return #vim.bo[bufnr].buftype == 0 and vim.bo[bufnr].modifiable
+end
+
+---@param name string?
+---@return table<string, string>
+function M.get_hl(name)
+  if not name then
+    return {}
+  end
+  return api.nvim_get_hl(0, { name = name })
+end
+
+--- vendor from lazy.nvim for early access and override
+
+---@param msg string|string[]
+---@param opts? LazyNotifyOpts
+function M.notify(msg, opts)
+  if vim.in_fast_event() then
+    return vim.schedule(function()
+      M.notify(msg, opts)
+    end)
+  end
+
+  opts = opts or {}
+  if type(msg) == "table" then
+    ---@diagnostic disable-next-line: no-unknown
+    msg = table.concat(
+      vim.tbl_filter(function(line)
+        return line or false
+      end, msg),
+      "\n"
+    )
+  end
+  if opts.stacktrace then
+    msg = msg .. M.pretty_trace({ level = opts.stacklevel or 2 })
+  end
+  local lang = opts.lang or "markdown"
+  local n = opts.once and vim.notify_once or vim.notify
+  n(msg, opts.level or vim.log.levels.INFO, {
+    on_open = function(win)
+      local ok = pcall(function()
+        vim.treesitter.language.add("markdown")
+      end)
+      if not ok then
+        pcall(require, "nvim-treesitter")
+      end
+      vim.wo[win].conceallevel = 3
+      vim.wo[win].concealcursor = ""
+      vim.wo[win].spell = false
+      local buf = vim.api.nvim_win_get_buf(win)
+      if not pcall(vim.treesitter.start, buf, lang) then
+        vim.bo[buf].filetype = lang
+        vim.bo[buf].syntax = lang
+      end
+    end,
+    title = opts.title or "lazy.nvim",
+  })
+end
+
+---@param msg string|string[]
+---@param opts? LazyNotifyOpts
+function M.error(msg, opts)
+  opts = opts or {}
+  opts.level = vim.log.levels.ERROR
+  M.notify(msg, opts)
+end
+
+---@param msg string|string[]
+---@param opts? LazyNotifyOpts
+function M.info(msg, opts)
+  opts = opts or {}
+  opts.level = vim.log.levels.INFO
+  M.notify(msg, opts)
+end
+
+---@param msg string|string[]
+---@param opts? LazyNotifyOpts
+function M.warn(msg, opts)
+  opts = opts or {}
+  opts.level = vim.log.levels.WARN
+  M.notify(msg, opts)
+end
+
+---@param msg string|table
+---@param opts? LazyNotifyOpts
+function M.debug(msg, opts)
+  if not require("avante.config").options.debug then
+    return
+  end
+  opts = opts or {}
+  if opts.title then
+    opts.title = "lazy.nvim: " .. opts.title
+  end
+  if type(msg) == "string" then
+    M.notify(msg, opts)
+  else
+    opts.lang = "lua"
+    M.notify(vim.inspect(msg), opts)
+  end
+end
+
+return M