feature: diagnostic of view not found

lua/laravel/null_ls/diagnostic/init.lua

@@ -0,0 +1,85 @@
+local paths = require "laravel.paths"
+
+local M = {}
+
+function M.setup()
+  local ok, null_ls = pcall(require, "null-ls")
+  if not ok then
+    vim.notify(
+      "Null ls feature is enable but null ls is not installed please install to have this feature enable",
+      vim.log.levels.ERROR
+    )
+    return
+  end
+
+  null_ls.deregister "Laravel diagnostics"
+
+  local laravel_diagnostic = {
+    name = "Laravel diagnostics",
+    method = null_ls.methods.DIAGNOSTICS,
+    filetypes = { "php" },
+    generator = {
+      fn = function(params)
+        local diagnostics = {}
+
+        local php_parser = vim.treesitter.get_parser(params.bufnr, "php")
+        local tree = php_parser:parse()[1]
+        if tree == nil then
+          error("Could not retrive syntax tree", vim.log.levels.ERROR)
+        end
+        local query = vim.treesitter.query.get("php", "laravel_views")
+
+        if query == nil then
+          vim.treesitter.query.set(
+            "php",
+            "laravel_views",
+            [[
+                (function_call_expression
+                  (name) @function_name (#eq? @function_name "view")
+                  (arguments (argument (string (string_value) @view)))
+                )
+                (member_call_expression
+                  (name) @member_name (#eq? @member_name "view")
+                  (arguments (argument (string (string_value) @view)))
+                )
+            ]]
+          )
+
+          query = vim.treesitter.query.get("php", "laravel_views")
+        end
+        if not query then
+          error("Could not get treesitter query", vim.log.levels.ERROR)
+        end
+
+        for id, node in query:iter_captures(tree:root(), params.bufnr, 0, -1) do
+          if query.captures[id] == "view" then
+            local view = vim.treesitter.get_node_text(node, params.bufnr)
+
+            local views_directory = paths.resource_path "views"
+
+            local file_path = string.format("%s/%s.blade.php", views_directory, string.gsub(view, "%.", "/"))
+
+            if vim.fn.filewritable(file_path) == 0 then
+              local row, start_col = node:start()
+              local _, end_col = node:end_()
+              table.insert(diagnostics, {
+                row = row + 1,
+                col = start_col + 1,
+                end_col = end_col + 1,
+                source = "laravel.nvim",
+                message = "view does not exists",
+                severity = vim.diagnostic.severity.ERROR,
+              })
+            end
+          end
+        end
+
+        return diagnostics
+      end,
+    },
+  }
+
+  null_ls.register(laravel_diagnostic)
+end
+
+return M

lua/laravel/null_ls/init.lua

@@ -2,6 +2,7 @@ local M = {}
 
 function M.setup()
   require("laravel.null_ls.completion").setup()
+  require("laravel.null_ls.diagnostic").setup()
 end
 
 return M