As operator can end at ':' if its part of ternary operation

Fixes #314

Author: sheetalkamat

TypeScript.YAML-tmLanguage

@@ -1367,7 +1367,7 @@ repository:
     - begin: (?<!\.|\$)\bas\b(?!\$)
       beginCaptures:
         '0': { name: keyword.control.as.ts }
-      end: (?=$|[;,})\]])
+      end: (?=$|[;,:})\]])
       patterns:
       - include: '#type'
     - name: keyword.operator.spread.ts

TypeScript.tmLanguage

@@ -3843,7 +3843,7 @@
               </dict>
             </dict>
             <key>end</key>
-            <string>(?=$|[;,})\]])</string>
+            <string>(?=$|[;,:})\]])</string>
             <key>patterns</key>
             <array>
               <dict>

TypeScriptReact.tmLanguage

@@ -3825,7 +3825,7 @@
               </dict>
             </dict>
             <key>end</key>
-            <string>(?=$|[;,})\]])</string>
+            <string>(?=$|[;,:})\]])</string>
             <key>patterns</key>
             <array>
               <dict>

tests/baselines/Issue314.baseline.txt

@@ -0,0 +1,68 @@
+original file
+-----------------------------------
+let x = a ? b as X : c;
+let y = 123;
+-----------------------------------
+
+Grammar: TypeScript.tmLanguage
+-----------------------------------
+>let x = a ? b as X : c;
+ ^^^
+ source.ts meta.var.expr.ts storage.type.ts
+    ^
+    source.ts meta.var.expr.ts
+     ^
+     source.ts meta.var.expr.ts meta.var-single-variable.expr.ts variable.other.readwrite.ts
+      ^
+      source.ts meta.var.expr.ts meta.var-single-variable.expr.ts
+       ^
+       source.ts meta.var.expr.ts keyword.operator.assignment.ts
+        ^
+        source.ts meta.var.expr.ts
+         ^
+         source.ts meta.var.expr.ts variable.other.readwrite.ts
+          ^
+          source.ts meta.var.expr.ts
+           ^
+           source.ts meta.var.expr.ts keyword.operator.ternary.ts
+            ^
+            source.ts meta.var.expr.ts
+             ^
+             source.ts meta.var.expr.ts variable.other.readwrite.ts
+              ^
+              source.ts meta.var.expr.ts
+               ^^
+               source.ts meta.var.expr.ts keyword.control.as.ts
+                 ^
+                 source.ts meta.var.expr.ts
+                  ^
+                  source.ts meta.var.expr.ts entity.name.type.ts
+                   ^
+                   source.ts meta.var.expr.ts
+                    ^
+                    source.ts meta.var.expr.ts keyword.operator.ternary.ts
+                     ^
+                     source.ts meta.var.expr.ts
+                      ^
+                      source.ts meta.var.expr.ts variable.other.readwrite.ts
+                       ^
+                       source.ts punctuation.terminator.statement.ts
+                        ^^
+                        source.ts
+>let y = 123;
+ ^^^
+ source.ts meta.var.expr.ts storage.type.ts
+    ^
+    source.ts meta.var.expr.ts
+     ^
+     source.ts meta.var.expr.ts meta.var-single-variable.expr.ts variable.other.readwrite.ts
+      ^
+      source.ts meta.var.expr.ts meta.var-single-variable.expr.ts
+       ^
+       source.ts meta.var.expr.ts keyword.operator.assignment.ts
+        ^
+        source.ts meta.var.expr.ts
+         ^^^
+         source.ts meta.var.expr.ts constant.numeric.decimal.ts
+            ^
+            source.ts punctuation.terminator.statement.ts

tests/cases/Issue314.ts

@@ -0,0 +1,2 @@
+let x = a ? b as X : c;
+let y = 123;