Fix issue 15

Author: zhengbli

TypeScript.YAML-tmLanguage

@@ -139,7 +139,7 @@ repository:
 
   field-declaration:
     name: meta.field.declaration.ts
-    begin: '(?<!\()\s*\b([a-zA-Z_$][\w$]*)\s*(\?\s*)?(?=(=|:))'
+    begin: (?<!\()\s*((?:\b[a-zA-Z_$][\w$]*)|(?:\'[^']*\')|(?:\"[^"]*\"))\s*(\?\s*)?(?=(=|:))
     beginCaptures:
       '1': { name: variable.ts }
       '2': { name: keyword.operator.ts }

TypeScript.tmLanguage

@@ -387,7 +387,7 @@
 		<key>field-declaration</key>
 		<dict>
 			<key>begin</key>
-			<string>(?&lt;!\()\s*\b([a-zA-Z_$][\w$]*)\s*(\?\s*)?(?=(=|:))</string>
+			<string>(?&lt;!\()\s*((?:\b[a-zA-Z_$][\w$]*)|(?:\'[^']*\')|(?:\"[^"]*\"))\s*(\?\s*)?(?=(=|:))</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>1</key>

TypeScriptReact.YAML-tmLanguage

@@ -142,7 +142,7 @@ repository:
 
   field-declaration:
     name: meta.field.declaration.tsx
-    begin: '(?<!\()\s*\b([a-zA-Z_$][\w$]*)\s*(\?\s*)?(?=(=|:))'
+    begin: (?<!\()\s*((?:\b[a-zA-Z_$][\w$]*)|(?:\'[^']*\')|(?:\"[^"]*\"))\s*(\?\s*)?(?=(=|:))
     beginCaptures:
       '1': { name: variable.tsx }
       '2': { name: keyword.operator.tsx }

TypeScriptReact.tmLanguage

@@ -348,7 +348,7 @@
 		<key>field-declaration</key>
 		<dict>
 			<key>begin</key>
-			<string>(?&lt;!\()\s*\b([a-zA-Z_$][\w$]*)\s*(\?\s*)?(?=(=|:))</string>
+			<string>(?&lt;!\()\s*((?:\b[a-zA-Z_$][\w$]*)|(?:\'[^']*\')|(?:\"[^"]*\"))\s*(\?\s*)?(?=(=|:))</string>
 			<key>beginCaptures</key>
 			<dict>
 				<key>1</key>