From 69a908ae8c0cda54c1dc3fec62b00a476683e8cf Mon Sep 17 00:00:00 2001
From: mAAdhaTTah <jamesorodig@gmail.com>
Date: Sat, 13 Jul 2019 10:05:38 -0400
Subject: [PATCH] Add Pipeline nodes to ast.spec [skip ci]

---
 packages/babel-parser/ast/spec.md | 48 +++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/packages/babel-parser/ast/spec.md b/packages/babel-parser/ast/spec.md
index 34c04919cbd0..d1b1a51ca733 100644
--- a/packages/babel-parser/ast/spec.md
+++ b/packages/babel-parser/ast/spec.md
@@ -898,6 +898,54 @@ interface BindExpression <: Expression {
 
 If `object` is `null`, then `callee` should be a `MemberExpression`.
 
+### Pipeline
+
+These nodes are used by the Smart Pipeline to determine the type of the expression in a Pipeline Operator Expression. The F# Pipeline uses simple `BinaryExpression`s.
+
+#### PipelineBody
+
+```js
+interface PipelineBody <: NodeBase {
+    type: "PipelineBody";
+}
+```
+
+#### PipelineBareFunctionBody
+
+```js
+interface PipelineBody <: NodeBase {
+    type: "PipelineBareFunctionBody";
+    callee: Expression;
+}
+```
+
+#### PipelineBareConstructorBody
+
+```js
+interface PipelineBareConstructorBody <: NodeBase {
+    type: "PipelineBareConstructorBody";
+    callee: Expression;
+}
+```
+
+#### PipelineBareAwaitedFunctionBody
+
+```js
+interface PipelineBareConstructorBody <: NodeBase {
+    type: "PipelineTopicBody";
+    expression: Expression;
+}
+```
+
+#### PipelineTopicBody
+
+```js
+interface PipelineBareConstructorBody <: NodeBase {
+    type: "PipelineBareAwaitedFunctionBody";
+    callee: Expression;
+}
+```
+
 ## ConditionalExpression
 
 ```js