fix(#50): Fix escape sequences (#53)

* fix: Support escape sequence in string expression
* fix(#50): update versions and generate parser

---------

Co-authored-by: Mohamad Mohebifar <mohamad@mohebifar.com>

Author: dlvandenberg

Cargo.lock

@@ -1,7 +1,7 @@
 [package]
 name = "tree-sitter-angular"
 description = "Angular grammar for tree-sitter"
-version = "0.5.1"
+version = "0.5.2"
 keywords = ["incremental", "parsing", "angular"]
 categories = ["parsing", "text-editors"]
 repository = "https://github.com/tree-sitter/tree-sitter-angular"

Cargo.toml

@@ -387,10 +387,7 @@ module.exports = grammar(HTML, {
         '=',
         $._double_quote,
         optional(choice($._any_expression, $.assignment_expression)),
-        repeat(seq(
-          ';',
-          optional(choice($._any_expression, $.assignment_expression)),
-        )),
+        repeat(seq(';', optional(choice($._any_expression, $.assignment_expression)))),
         $._double_quote,
       ),
 
@@ -509,8 +506,31 @@ module.exports = grammar(HTML, {
     // String
     string: ($) =>
       choice(
-        seq($._double_quote, repeat(token.immediate(/[^"]/)), $._double_quote),
-        seq($._single_quote, repeat(token.immediate(/[^']/)), $._single_quote),
+        seq(
+          $._double_quote,
+          repeat(choice(token.immediate(/[^"]/), $._escape_sequence)),
+          $._double_quote,
+        ),
+        seq(
+          $._single_quote,
+          repeat(choice(token.immediate(/[^']/), $._escape_sequence)),
+          $._single_quote,
+        ),
+      ),
+
+    _escape_sequence: (_) =>
+      token.immediate(
+        seq(
+          '\\',
+          choice(
+            /[^xu0-7]/,
+            /[0-7]{1,3}/,
+            /x[0-9a-fA-F]{2}/,
+            /u[0-9a-fA-F]{4}/,
+            /u\{[0-9a-fA-F]+\}/,
+            /[\r?][\n\u2028\u2029]/,
+          ),
+        ),
       ),
 
     // Number

grammar.js

@@ -1,6 +1,6 @@
 {
   "name": "tree-sitter-angular",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "Tree-sitter grammar for the Angular framework",
   "main": "bindings/node",
   "types": "bindings/node",
@@ -62,9 +62,7 @@
   "tree-sitter": [
     {
       "scope": "source.angular",
-      "file-types": [
-        "component.html"
-      ]
+      "injection-regex": "^angular$"
     }
   ]
 }