[gtksourceview: 4/8] typescript.lang: Add support for "declare" class property modifier

[Christian Hergert <chergert src gnome org>]

commit 76c70885688e8cc6c1325f8d71c922b181d693d0
Author: Jeffery To <jeffery to gmail com>
Date:   Fri Nov 15 04:04:31 2019 +0800

    typescript.lang: Add support for "declare" class property modifier
    
    Added in TypeScript 3.7.
    
    For use when using the useDefineForClassFields flag, also added in
    TypeScript 3.7.

 data/language-specs/typescript-js-functions-classes.lang | 1 +
 tests/syntax-highlighting/file.ts                        | 1 +
 tests/syntax-highlighting/file.tsx                       | 1 +
 3 files changed, 3 insertions(+)
---
diff --git a/data/language-specs/typescript-js-functions-classes.lang 
b/data/language-specs/typescript-js-functions-classes.lang
index 2f834514..02db5566 100644
--- a/data/language-specs/typescript-js-functions-classes.lang
+++ b/data/language-specs/typescript-js-functions-classes.lang
@@ -257,6 +257,7 @@
 
             <context id="_class-body-member-modifier-keywords" style-ref="js:keyword">
               <keyword>abstract</keyword>
+              <keyword>declare</keyword>
               <keyword>readonly</keyword>
             </context> <!-- /_class-body-member-modifier-keywords -->
 
diff --git a/tests/syntax-highlighting/file.ts b/tests/syntax-highlighting/file.ts
index 05ae9a24..39f538bc 100644
--- a/tests/syntax-highlighting/file.ts
+++ b/tests/syntax-highlighting/file.ts
@@ -443,6 +443,7 @@ a = class {
     private property!: number;
     protected static readonly property: number = 1;
     abstract property;
+    declare property: number; // for useDefineForClassFields
 
     // Accessibility modifiers, type annotation, parameter properties for constructor
     private constructor(public x: number, private y?: string);
diff --git a/tests/syntax-highlighting/file.tsx b/tests/syntax-highlighting/file.tsx
index 53440f35..0b44e0df 100644
--- a/tests/syntax-highlighting/file.tsx
+++ b/tests/syntax-highlighting/file.tsx
@@ -546,6 +546,7 @@ a = class {
     private property!: number;
     protected static readonly property: number = 1;
     abstract property;
+    declare property: number; // for useDefineForClassFields
 
     // Accessibility modifiers, type annotation, parameter properties for constructor
     private constructor(public x: number, private y?: string);