feat(config): make it easier to specify plugin paths in library

README.md

@@ -47,10 +47,12 @@ return {
     ft = "lua", -- only load on lua files
     opts = {
       library = {
-        vim.env.LAZY .. "/luvit-meta/library", -- see below
-        -- You can also add plugins you always want to have loaded.
-        -- Useful if the plugin has globals or types you want to use
-        -- vim.env.LAZY .. "/LazyVim", -- see below
+        -- Library items can be absolute paths
+        -- "~/projects/my-awesome-lib",
+        -- Or relative, which means they will be resolved as a plugin
+        -- "LazyVim",
+        -- When relative, you can also provide a path to the library in the plugin dir
+        "luvit-meta/library", -- see below
       },
     },
   },

lua/lazydev/buf.lua

@@ -56,6 +56,15 @@ end
 ---@param path string
 function M.add(path)
   path = vim.fs.normalize(path)
+  -- try to resolve to a plugin path
+  if path:sub(1, 1) ~= "/" and not vim.uv.fs_stat(path) then
+    local name, extra = path:match("([^/]+)(/?.*)")
+    if name then
+      local pp = Pkg.get_plugin_path(name)
+      path = pp and (pp .. extra) or path
+    end
+  end
+  -- append /lua if it exists
   if not path:find("/lua/?$") and vim.uv.fs_stat(path .. "/lua") then
     path = path .. "/lua"
   end
@@ -198,7 +207,7 @@ function M.debug()
   local lines = {}
   for _, lib in ipairs(M.library) do
     local plugin = Plugin.find(lib .. "/")
-    table.insert(lines, "- " .. (plugin and "**" .. plugin.name .. "**" or "`" .. lib .. "`"))
+    table.insert(lines, "- " .. (plugin and "**" .. plugin.name .. "** " or "") .. ("`" .. lib .. "`"))
   end
   Util.info(lines, { title = "lazydev.nvim" })
 end

lua/lazydev/pkg.lua

@@ -20,8 +20,7 @@ end
 ---@type string[]
 local packs = nil
 
----@param modname string
-function M.pack_unloaded(modname)
+function M.pack_unloaded()
   if packs then
     return packs
   end
@@ -43,7 +42,32 @@ function M.pack_unloaded(modname)
   return packs
 end
 
-M.get_unloaded = is_lazy and M.lazy_unloaded or M.pack_unloaded
+---@param modname string
+---@return string[]
+function M.get_unloaded(modname)
+  return is_lazy and M.lazy_unloaded(modname) or M.pack_unloaded()
+end
+
+function M.get_plugin_path(name)
+  if is_lazy then
+    local Config = require("lazy.core.config")
+    local plugin = Config.spec.plugins[name]
+    return plugin and plugin.dir
+  else
+    for _, dir in ipairs(vim.opt.rtp:get()) do
+      local basename = vim.fs.basename(dir)
+      if basename == name then
+        return dir
+      end
+    end
+    for _, dir in ipairs(M.pack_unloaded()) do
+      local basename = vim.fs.basename(dir)
+      if basename == name then
+        return dir
+      end
+    end
+  end
+end
 
 ---@param modname string
 ---@return string[]