From 1d6aebcd874dc6a70966eaf345f478d53a2d7652 Mon Sep 17 00:00:00 2001
From: imfozilbek <fozilbek.samiyev@gmail.com>
Date: Thu, 27 Nov 2025 19:26:01 +0500
Subject: [PATCH] refactor: add AST node type constants for tree-sitter
 analysis

---
 .../src/shared/constants/ast-node-types.ts    | 139 ++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 packages/guardian/src/shared/constants/ast-node-types.ts

diff --git a/packages/guardian/src/shared/constants/ast-node-types.ts b/packages/guardian/src/shared/constants/ast-node-types.ts
new file mode 100644
index 0000000..038cc34
--- /dev/null
+++ b/packages/guardian/src/shared/constants/ast-node-types.ts
@@ -0,0 +1,139 @@
+/**
+ * Abstract Syntax Tree (AST) node type constants
+ *
+ * These constants represent tree-sitter AST node types used for code analysis.
+ * Using constants instead of magic strings improves maintainability and prevents typos.
+ *
+ * @see https://tree-sitter.github.io/tree-sitter/
+ */
+
+/**
+ * Class and interface declaration node types
+ */
+export const AST_CLASS_TYPES = {
+    CLASS_DECLARATION: "class_declaration",
+    INTERFACE_DECLARATION: "interface_declaration",
+} as const
+
+/**
+ * Function and method node types
+ */
+export const AST_FUNCTION_TYPES = {
+    FUNCTION_DECLARATION: "function_declaration",
+    METHOD_DEFINITION: "method_definition",
+    FUNCTION_SIGNATURE: "function_signature",
+} as const
+
+/**
+ * Variable and parameter node types
+ */
+export const AST_VARIABLE_TYPES = {
+    VARIABLE_DECLARATOR: "variable_declarator",
+    REQUIRED_PARAMETER: "required_parameter",
+    OPTIONAL_PARAMETER: "optional_parameter",
+    PUBLIC_FIELD_DEFINITION: "public_field_definition",
+    PROPERTY_SIGNATURE: "property_signature",
+} as const
+
+/**
+ * Type system node types
+ */
+export const AST_TYPE_TYPES = {
+    TYPE_ALIAS_DECLARATION: "type_alias_declaration",
+    UNION_TYPE: "union_type",
+    LITERAL_TYPE: "literal_type",
+    TYPE_ANNOTATION: "type_annotation",
+} as const
+
+/**
+ * Statement node types
+ */
+export const AST_STATEMENT_TYPES = {
+    EXPORT_STATEMENT: "export_statement",
+    IMPORT_STATEMENT: "import_statement",
+    LEXICAL_DECLARATION: "lexical_declaration",
+} as const
+
+/**
+ * Expression node types
+ */
+export const AST_EXPRESSION_TYPES = {
+    CALL_EXPRESSION: "call_expression",
+    AS_EXPRESSION: "as_expression",
+} as const
+
+/**
+ * Field and property node types
+ */
+export const AST_FIELD_TYPES = {
+    FIELD_DEFINITION: "field_definition",
+} as const
+
+/**
+ * Pattern node types
+ */
+export const AST_PATTERN_TYPES = {
+    OBJECT_PATTERN: "object_pattern",
+    ARRAY_PATTERN: "array_pattern",
+} as const
+
+/**
+ * Modifier node types
+ */
+export const AST_MODIFIER_TYPES = {
+    READONLY: "readonly",
+    STATIC: "static",
+    CONST: "const",
+} as const
+
+/**
+ * Special identifier node types
+ */
+export const AST_IDENTIFIER_TYPES = {
+    IDENTIFIER: "identifier",
+    TYPE_IDENTIFIER: "type_identifier",
+    PROPERTY_IDENTIFIER: "property_identifier",
+    IMPORT: "import",
+} as const
+
+/**
+ * Node field names used with childForFieldName()
+ */
+export const AST_FIELD_NAMES = {
+    NAME: "name",
+    DECLARATION: "declaration",
+    VALUE: "value",
+    FUNCTION: "function",
+} as const
+
+/**
+ * String fragment node type
+ */
+export const AST_STRING_TYPES = {
+    STRING_FRAGMENT: "string_fragment",
+} as const
+
+/**
+ * Common JavaScript timer functions
+ */
+export const TIMER_FUNCTIONS = {
+    SET_TIMEOUT: "setTimeout",
+    SET_INTERVAL: "setInterval",
+} as const
+
+/**
+ * Value pattern types for pattern matching
+ */
+export const VALUE_PATTERN_TYPES = {
+    EMAIL: "email",
+    API_KEY: "api_key",
+    URL: "url",
+    IP_ADDRESS: "ip_address",
+    FILE_PATH: "file_path",
+    DATE: "date",
+    UUID: "uuid",
+    VERSION: "version",
+    JWT: "jwt",
+    MAC_ADDRESS: "mac_address",
+    BASE64: "base64",
+} as const