Flow opaque type aliases (#5990)

2017-08-02 17:30:19 -04:00
parent 0f823beeb1
commit 4e9a25e34a
14 changed files with 193 additions and 6 deletions
--- a/packages/babel-types/src/definitions/flow.js
+++ b/packages/babel-types/src/definitions/flow.js
@@ -88,6 +88,14 @@ defineType("DeclareTypeAlias", {
  },
 });

+defineType("DeclareOpaqueType", {
+  visitor: ["id", "typeParameters", "supertype"],
+  aliases: ["Flow", "FlowDeclaration", "Statement", "Declaration"],
+  fields: {
+    // todo
+  },
+});
+
 defineType("DeclareVariable", {
  visitor: ["id"],
  aliases: ["Flow", "FlowDeclaration", "Statement", "Declaration"],
@@ -252,6 +260,14 @@ defineType("TypeAlias", {
  },
 });

+defineType("OpaqueType", {
+  visitor: ["id", "typeParameters", "supertype", "impltype"],
+  aliases: ["Flow", "FlowDeclaration", "Statement", "Declaration"],
+  fields: {
+    // todo
+  },
+});
+
 defineType("TypeCastExpression", {
  visitor: ["expression", "typeAnnotation"],
  aliases: ["Flow", "ExpressionWrapper", "Expression"],
--- a/packages/babel-types/src/retrievers.js
+++ b/packages/babel-types/src/retrievers.js
@@ -70,6 +70,7 @@ getBindingIdentifiers.keys = {
  DeclareVariable: ["id"],
  InterfaceDeclaration: ["id"],
  TypeAlias: ["id"],
+  OpaqueType: ["id"],

  CatchClause: ["param"],
  LabeledStatement: ["label"],