Types for pipeline operator (smart proposal) (#9122)

packages/babel-generator/src/generators/types.js

@@ -151,3 +151,15 @@ export function BigIntLiteral(node: Object) {
   }
   this.token(node.value);
 }
+
+export function PipelineTopicExpression(node: Object) {
+  this.print(node.expression, node);
+}
+
+export function PipelineBareFunction(node: Object) {
+  this.print(node.callee, node);
+}
+
+export function PipelinePrimaryTopicReference() {
+  this.token("#");
+}

packages/babel-generator/test/fixtures/types/PipelineBareFunction/input.js

@@ -0,0 +1 @@
+let result = "hello" |> doubleSay |> text.capitalize |> a.b.exclaim;

packages/babel-generator/test/fixtures/types/PipelineBareFunction/options.json

@@ -0,0 +1,3 @@
+{
+  "plugins": [["pipelineOperator", { "proposal": "smart" }], "doExpressions"]
+}

packages/babel-generator/test/fixtures/types/PipelineBareFunction/output.js

@@ -0,0 +1 @@
+let result = "hello" |> doubleSay |> text.capitalize |> a.b.exclaim;

packages/babel-generator/test/fixtures/types/PipelineTopicExpression/input.js

@@ -0,0 +1,8 @@
+value |> # + 1;
+value |> 1 + #;
+value |> do {
+  #;
+};
+value |> do {
+  if (yes) #;
+};

packages/babel-generator/test/fixtures/types/PipelineTopicExpression/options.json

@@ -0,0 +1,3 @@
+{
+  "plugins": [["pipelineOperator", { "proposal": "smart" }], "doExpressions"]
+}

packages/babel-generator/test/fixtures/types/PipelineTopicExpression/output.js

@@ -0,0 +1,8 @@
+value |> # + 1;
+value |> 1 + #;
+value |> do {
+  #;
+};
+value |> do {
+  if (yes) #;
+};

packages/babel-types/src/asserts/generated/index.js

@@ -675,6 +675,24 @@ export function assertOptionalMemberExpression(
 ): void {
   assert("OptionalMemberExpression", node, opts);
 }
+export function assertPipelineTopicExpression(
+  node: Object,
+  opts?: Object = {},
+): void {
+  assert("PipelineTopicExpression", node, opts);
+}
+export function assertPipelineBareFunction(
+  node: Object,
+  opts?: Object = {},
+): void {
+  assert("PipelineBareFunction", node, opts);
+}
+export function assertPipelinePrimaryTopicReference(
+  node: Object,
+  opts?: Object = {},
+): void {
+  assert("PipelinePrimaryTopicReference", node, opts);
+}
 export function assertOptionalCallExpression(
   node: Object,
   opts?: Object = {},

packages/babel-types/src/builders/generated/index.js

@@ -612,6 +612,18 @@ export function OptionalMemberExpression(...args: Array<any>): Object {
   return builder("OptionalMemberExpression", ...args);
 }
 export { OptionalMemberExpression as optionalMemberExpression };
+export function PipelineTopicExpression(...args: Array<any>): Object {
+  return builder("PipelineTopicExpression", ...args);
+}
+export { PipelineTopicExpression as pipelineTopicExpression };
+export function PipelineBareFunction(...args: Array<any>): Object {
+  return builder("PipelineBareFunction", ...args);
+}
+export { PipelineBareFunction as pipelineBareFunction };
+export function PipelinePrimaryTopicReference(...args: Array<any>): Object {
+  return builder("PipelinePrimaryTopicReference", ...args);
+}
+export { PipelinePrimaryTopicReference as pipelinePrimaryTopicReference };
 export function OptionalCallExpression(...args: Array<any>): Object {
   return builder("OptionalCallExpression", ...args);
 }

packages/babel-types/src/definitions/experimental.js

@@ -89,6 +89,30 @@ defineType("OptionalMemberExpression", {
   },
 });
 
+defineType("PipelineTopicExpression", {
+  builder: ["expression"],
+  visitor: ["expression"],
+  fields: {
+    expression: {
+      validate: assertNodeType("Expression"),
+    },
+  },
+});
+
+defineType("PipelineBareFunction", {
+  builder: ["callee"],
+  visitor: ["callee"],
+  fields: {
+    callee: {
+      validate: assertNodeType("Expression"),
+    },
+  },
+});
+
+defineType("PipelinePrimaryTopicReference", {
+  aliases: ["Expression"],
+});
+
 defineType("OptionalCallExpression", {
   visitor: ["callee", "arguments", "typeParameters", "typeArguments"],
   builder: ["callee", "arguments", "optional"],

packages/babel-types/src/validators/generated/index.js

@@ -2131,6 +2131,54 @@ export function isOptionalMemberExpression(
 
   return false;
 }
+export function isPipelineTopicExpression(
+  node: Object,
+  opts?: Object,
+): boolean {
+  if (!node) return false;
+
+  const nodeType = node.type;
+  if (nodeType === "PipelineTopicExpression") {
+    if (typeof opts === "undefined") {
+      return true;
+    } else {
+      return shallowEqual(node, opts);
+    }
+  }
+
+  return false;
+}
+export function isPipelineBareFunction(node: Object, opts?: Object): boolean {
+  if (!node) return false;
+
+  const nodeType = node.type;
+  if (nodeType === "PipelineBareFunction") {
+    if (typeof opts === "undefined") {
+      return true;
+    } else {
+      return shallowEqual(node, opts);
+    }
+  }
+
+  return false;
+}
+export function isPipelinePrimaryTopicReference(
+  node: Object,
+  opts?: Object,
+): boolean {
+  if (!node) return false;
+
+  const nodeType = node.type;
+  if (nodeType === "PipelinePrimaryTopicReference") {
+    if (typeof opts === "undefined") {
+      return true;
+    } else {
+      return shallowEqual(node, opts);
+    }
+  }
+
+  return false;
+}
 export function isOptionalCallExpression(node: Object, opts?: Object): boolean {
   if (!node) return false;
 
@@ -3164,6 +3212,7 @@ export function isExpression(node: Object, opts?: Object): boolean {
     "AwaitExpression" === nodeType ||
     "BindExpression" === nodeType ||
     "OptionalMemberExpression" === nodeType ||
+    "PipelinePrimaryTopicReference" === nodeType ||
     "OptionalCallExpression" === nodeType ||
     "Import" === nodeType ||
     "DoExpression" === nodeType ||