[FJSX15] Add pipe operator

syntaxes/fjsx15/operator.sublime-syntax

@@ -19,6 +19,7 @@ scope: ...
 
 contexts:
   main:
+    - include: Packages/Naomi/syntaxes/fjsx15/operator/pipe.sublime-syntax
     - include: Packages/Naomi/syntaxes/fjsx15/operator/spread.sublime-syntax
     - include: Packages/Naomi/syntaxes/fjsx15/operator/comparison.sublime-syntax
     - include: Packages/Naomi/syntaxes/fjsx15/operator/assignment.sublime-syntax

syntaxes/fjsx15/operator/pipe.sublime-syntax

@@ -0,0 +1,43 @@
+%YAML1.2
+---
+
+# Licensed under the Apache License, Version 2.0 (the “License”); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an “AS IS” BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+hidden: true
+
+scope: ...
+
+variables:
+  commonIdentifier: |
+    [$_[:alpha:]]
+    [$_[:alnum:]]*
+
+contexts:
+  main:
+    - match: \s*(\|>)
+      captures:
+        1: keyword.operator.other.pipe.js.fjsx15
+      set: function-or-expression
+
+  function-or-expression:
+    - include: Packages/Naomi/syntaxes/fjsx15/arrow-function.sublime-syntax
+    # Simple function.
+    - match: |
+        (?xi)\s*
+        ({{commonIdentifier}})
+      captures:
+        1: entity.name.function.js.fjsx15
+      pop: true
+    # Other expressions.
+    - include: Packages/Naomi/syntaxes/fjsx15/statement-and-expression.sublime-syntax
+