Add "exportKind: type" when needed with TS (#11157)

* Add "exportKind: type" to TS type export declratation Co-authored-by: Henry Zhu <smiley.we@gmail.com> Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com> Co-authored-by: Siddhant N Trivedi <sidntrivedi012@gmail.com> * Add test to @babel/generator Co-authored-by: Henry Zhu <hi@henryzoo.com> Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com> Co-authored-by: Siddhant N Trivedi <sidntrivedi012@gmail.com>
babel · nicolo-ribaudo · Mar 16, 2020 · Jan 24, 2020 · Feb 18, 2020 · Feb 26, 2020
commit 4ade5785815124d6e4740fd9117043573298cead
diff --git a/packages/babel-generator/test/fixtures/typescript/export-declaration-type/input.js b/packages/babel-generator/test/fixtures/typescript/export-declaration-type/input.js
@@ -0,0 +1,2 @@
+export interface A {}
+export type B = string;
diff --git a/packages/babel-generator/test/fixtures/typescript/export-declaration-type/output.js b/packages/babel-generator/test/fixtures/typescript/export-declaration-type/output.js
@@ -0,0 +1,2 @@
+export interface A {}
+export type B = string;
diff --git a/packages/babel-parser/src/plugins/typescript/index.js b/packages/babel-parser/src/plugins/typescript/index.js
@@ -2127,6 +2127,14 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       if (!declaration) {
         declaration = super.parseExportDeclaration(node);
       }
+      if (
+        declaration &&
+        (declaration.type === "TSInterfaceDeclaration" ||
+          declaration.type === "TSTypeAliasDeclaration" ||
+          isDeclare)
+      ) {
+        node.exportKind = "type";
+      }
 
       if (declaration && isDeclare) {
         // Reset location to include `declare` in range

diff --git a/...ages/babel-parser/test/fixtures/experimental/export-extensions/export-with-ts/output.json b/...ages/babel-parser/test/fixtures/experimental/export-extensions/export-with-ts/output.json
@@ -111,7 +111,7 @@
             "column": 29
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -229,7 +229,7 @@
             "column": 21
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -427,7 +427,7 @@
             "column": 27
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {

diff --git a/packages/babel-parser/test/fixtures/typescript/enum/export-declare-const/output.json b/packages/babel-parser/test/fixtures/typescript/enum/export-declare-const/output.json
@@ -43,7 +43,7 @@
             "column": 30
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {

diff --git a/packages/babel-parser/test/fixtures/typescript/export/declare/output.json b/packages/babel-parser/test/fixtures/typescript/export/declare/output.json
@@ -43,7 +43,7 @@
             "column": 31
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -143,7 +143,7 @@
             "column": 34
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -227,7 +227,7 @@
             "column": 25
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -295,7 +295,7 @@
             "column": 29
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -362,7 +362,7 @@
             "column": 31
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -428,7 +428,7 @@
             "column": 26
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -495,7 +495,7 @@
             "column": 29
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {
@@ -562,7 +562,7 @@
             "column": 26
           }
         },
-        "exportKind": "value",
+        "exportKind": "type",
         "specifiers": [],
         "source": null,
         "declaration": {

diff --git a/packages/babel-parser/test/fixtures/typescript/export/export-type-declaration/input.ts b/packages/babel-parser/test/fixtures/typescript/export/export-type-declaration/input.ts
@@ -0,0 +1,4 @@
+export type A = 2;
+export interface B {}
+export declare function a(): string;
+export declare var b: string;