02fdc262eb
* fix(#1970): additional log function gating for efficiency when not logging * fix(#1970): additional log function gating for efficiency when not logging
80 lines
2.2 KiB
Lua
80 lines
2.2 KiB
Lua
local M = {
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config = nil,
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path = nil,
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}
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--- Write to log file
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--- @param typ string as per log.types config
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--- @param fmt string for string.format
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--- @vararg any arguments for string.format
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function M.raw(typ, fmt, ...)
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if not M.enabled(typ) then
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return
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end
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local line = string.format(fmt, ...)
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local file = io.open(M.path, "a")
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if file then
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io.output(file)
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io.write(line)
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io.close(file)
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end
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end
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--- Write profile start to log file
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--- START is prefixed
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--- @param fmt string for string.format
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--- @vararg any arguments for string.format
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--- @return number nanos to pass to profile_end
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function M.profile_start(fmt, ...)
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if M.enabled "profile" then
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M.line("profile", "START " .. (fmt or "???"), ...)
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return vim.loop.hrtime()
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else
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return 0
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end
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end
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--- Write profile end to log file
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--- END is prefixed and duration in seconds is suffixed
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--- @param start number nanos returned from profile_start
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--- @param fmt string for string.format
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--- @vararg any arguments for string.format
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function M.profile_end(start, fmt, ...)
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if M.enabled "profile" then
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local millis = start and math.modf((vim.loop.hrtime() - start) / 1000000) or -1
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M.line("profile", "END " .. (fmt or "???") .. " " .. millis .. "ms", ...)
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end
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end
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--- Write to log file
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--- time and typ are prefixed and a trailing newline is added
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--- @param typ string as per log.types config
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--- @param fmt string for string.format
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--- @vararg any arguments for string.format
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function M.line(typ, fmt, ...)
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if M.enabled(typ) then
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M.raw(typ, string.format("[%s] [%s] %s\n", os.date "%Y-%m-%d %H:%M:%S", typ, fmt), ...)
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end
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end
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--- Logging is enabled for typ or all
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--- @param typ string as per log.types config
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--- @return boolean
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function M.enabled(typ)
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return M.path ~= nil and (M.config.types[typ] or M.config.types.all)
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end
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function M.setup(opts)
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M.config = opts.log
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if M.config and M.config.enable and M.config.types then
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M.path = string.format("%s/nvim-tree.log", vim.fn.stdpath "cache", os.date "%H:%M:%S", vim.env.USER)
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if M.config.truncate then
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os.remove(M.path)
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end
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require("nvim-tree.notify").debug("nvim-tree.lua logging to " .. M.path)
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end
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end
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return M
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