Merge pull request #295 from Microsoft/restAndSpreadOperator

Rest and spread operator support

Author: sheetalkamat

TypeScript.YAML-tmLanguage

@@ -106,35 +106,40 @@ repository:
       - include: '#array-binding-pattern'
       - name: variable.other.readwrite.ts
         match: ([_$[:alpha:]][_$[:alnum:]]*)
-    - name: variable.other.readwrite.ts
-      match: ([_$[:alpha:]][_$[:alnum:]]*)
-    - name: meta.delimiter.object.comma.ts
-      match: ','
+    - include: '#object-binding-pattern'
+    - include: '#destructuring-variable-rest'
+    - include: '#punctuation-comma'
 
   array-binding-element:
     patterns:
     - include: '#comment'
     - include: '#object-binding-pattern'
     - include: '#array-binding-pattern'
-    - name: variable.other.readwrite.ts
-      match: ([_$[:alpha:]][_$[:alnum:]]*)
-    - name: meta.delimiter.object.comma.ts
-      match: ','
+    - include: '#destructuring-variable-rest'
+    - include: '#punctuation-comma'
+
+  destructuring-variable-rest:
+    match: (?:(\.\.\.)\s*)?([_$[:alpha:]][_$[:alnum:]]*)
+    captures:
+      '1': { name: keyword.operator.rest.ts }
+      '2': { name: variable.other.readwrite.ts }
 
   object-binding-pattern:
-    begin: \{
+    begin: (?:(\.\.\.)\s*)?(\{)
     beginCaptures:
-      '0': { name: punctuation.definition.binding-pattern.object.ts }
+      '1': { name: keyword.operator.rest.ts }
+      '2': { name: punctuation.definition.binding-pattern.object.ts }
     end: \}
     endCaptures:
       '0': { name: punctuation.definition.binding-pattern.object.ts }
     patterns:
     - include: '#object-binding-element'
 
   array-binding-pattern:
-    begin: \[
+    begin: (?:(\.\.\.)\s*)?(\[)
     beginCaptures:
-      '0': { name: punctuation.definition.binding-pattern.array.ts }
+      '1': { name: keyword.operator.rest.ts }
+      '2': { name: punctuation.definition.binding-pattern.array.ts }
     end: \]
     endCaptures:
       '0': { name: punctuation.definition.binding-pattern.array.ts }
@@ -173,8 +178,7 @@ repository:
     - include: '#ternary-expression'
     - include: '#new-expr'
     - include: '#object-literal'
-    - include: '#expression-operator'
-    - include: '#operators'
+    - include: '#expression-operators'
     - include: '#support-objects'
     - include: '#function-call'
     - include: '#identifiers'
@@ -371,8 +375,7 @@ repository:
         '4': { name: keyword.control.as.ts }
         '5': { name: invalid.illegal.ts }
         '6': { name: variable.other.readwrite.alias.ts }
-    - name: meta.delimiter.object.comma.ts
-      match: ','
+    - include: '#punctuation-comma'
     - name: constant.language.import-export-all.ts
       match: \*
     - name: keyword.control.default.ts
@@ -460,6 +463,12 @@ repository:
     - include: '#method-declaration'
     - include: '#indexer-declaration'
     - include: '#type-annotation'
+    - begin: \.\.\.
+      beginCaptures:
+        '0': { name: keyword.operator.spread.ts }
+      end: '(?=\}|;|,|$)|(?<=\})'
+      patterns:
+      - include: '#type'
     - include: '#punctuation-comma'
     - include: '#punctuation-semicolon'
 
@@ -612,7 +621,7 @@ repository:
     match: '(?:\s*\b(public|private|protected)\b\s+)?(\.\.\.)?\s*(?<!=|:)([_$[:alpha:]][_$[:alnum:]]*)\s*(\??)'
     captures:
       '1': { name: storage.modifier.ts }
-      '2': { name: keyword.operator.spread.ts }
+      '2': { name: keyword.operator.rest.ts }
       '3': { name: variable.parameter.ts }
       '4': { name: keyword.operator.optional.ts }
 
@@ -650,35 +659,40 @@ repository:
       - include: '#parameter-array-binding-pattern'
       - name: variable.parameter.ts
         match: ([_$[:alpha:]][_$[:alnum:]]*)
-    - name: variable.parameter.ts
-      match: ([_$[:alpha:]][_$[:alnum:]]*)
-    - name: meta.delimiter.object.comma.ts
-      match: ','
+    - include: '#parameter-object-binding-pattern'
+    - include: '#destructuring-parameter-rest'
+    - include: '#punctuation-comma'
 
   parameter-array-binding-element:
     patterns:
     - include: '#comment'
     - include: '#parameter-object-binding-pattern'
     - include: '#parameter-array-binding-pattern'
-    - name: variable.parameter.ts
-      match: ([_$[:alpha:]][_$[:alnum:]]*)
-    - name: meta.delimiter.object.comma.ts
-      match: ','
+    - include: '#destructuring-parameter-rest'
+    - include: '#punctuation-comma'
+
+  destructuring-parameter-rest:
+    match: (?:(\.\.\.)\s*)?([_$[:alpha:]][_$[:alnum:]]*)
+    captures:
+      '1': { name: keyword.operator.rest.ts }
+      '2': { name: variable.parameter.ts }
 
   parameter-object-binding-pattern:
-    begin: \{
+    begin: (?:(\.\.\.)\s*)?(\{)
     beginCaptures:
-      '0': { name: punctuation.definition.binding-pattern.object.ts }
+      '1': { name: keyword.operator.rest.ts }
+      '2': { name: punctuation.definition.binding-pattern.object.ts }
     end: \}
     endCaptures:
       '0': { name: punctuation.definition.binding-pattern.object.ts }
     patterns:
     - include: '#parameter-object-binding-element'
 
   parameter-array-binding-pattern:
-    begin: \[
+    begin: (?:(\.\.\.)\s*)?(\[)
     beginCaptures:
-      '0': { name: punctuation.definition.binding-pattern.array.ts }
+      '1': { name: keyword.operator.rest.ts }
+      '2': { name: punctuation.definition.binding-pattern.array.ts }
     end: \]
     endCaptures:
       '0': { name: punctuation.definition.binding-pattern.array.ts }
@@ -728,11 +742,10 @@ repository:
     - include: '#numeric-literal'
     - include: '#type-primitive'
     - include: '#type-builtin-literals'
-    - include: '#typeof-operator'
     - include: '#type-parameters'
     - include: '#type-tuple'
     - include: '#type-object'
-    - include: '#type-operator'
+    - include: '#type-operators'
     - include: '#type-fn-type-parameters'
     - include: '#type-paren-or-function-parameters'
     - include: '#type-function-return-type'
@@ -819,9 +832,11 @@ repository:
       patterns:
       - include: '#function-parameters'
 
-  type-operator:
-    name: keyword.operator.type.ts
-    match: '[&|]'
+  type-operators:
+    patterns:
+    - include: '#typeof-operator'
+    - name: keyword.operator.type.ts
+      match: '[&|]'
 
   type-function-return-type:
     name: meta.type.function.return.ts
@@ -1342,13 +1357,20 @@ repository:
       end: (?=,|\})
       patterns:
       - include: '#expression'
+    - name: meta.object.member.ts
+      begin: \.\.\.
+      beginCaptures:
+        '0': { name: keyword.operator.spread.ts }
+      end: (?=,|\})
+      patterns:
+      - include: '#expression'
     - name: meta.object.member.ts
       match: ([_$[:alpha:]][_$[:alnum:]]*)\s*(?=,|\}|$)
       captures:
         '1': { name: variable.other.readwrite.ts }
     - include: '#punctuation-comma'
 
-  expression-operator:
+  expression-operators:
     patterns:
     - name: keyword.control.flow.ts
       match: (?<!\.|\$)\b(await)\b(?!\$)
@@ -1371,13 +1393,8 @@ repository:
       end: (?=$|[;,})\]])
       patterns:
       - include: '#type'
-
-  typeof-operator:
-    name: keyword.operator.typeof.ts
-    match: (?<!\.|\$)\btypeof\b(?!\$)
-
-  operators:
-    patterns:
+    - name: keyword.operator.spread.ts
+      match: \.\.\.
     - name: keyword.operator.assignment.compound.ts
       match: \*=|(?<!\()/=|%=|\+=|\-=
     - name: keyword.operator.assignment.compound.bitwise.ts
@@ -1399,6 +1416,10 @@ repository:
     - name: keyword.operator.arithmetic.ts
       match: '%|\*|/|-|\+'
 
+  typeof-operator:
+    name: keyword.operator.typeof.ts
+    match: (?<!\.|\$)\btypeof\b(?!\$)
+
   arrow-function:
     patterns:
     - name: meta.arrow.ts