export: Handle function overloading in '*.d.ts'

import-js · Jan 20, 2020 · d1d1ef6 · d1d1ef6
1 parent f84d457
commit d1d1ef6
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/src/rules/export.js b/src/rules/export.js
@@ -36,7 +36,10 @@ const tsTypePrefix = 'type:'
  */
 function isTypescriptFunctionOverloads(nodes) {
   const types = new Set(Array.from(nodes, node => node.parent.type))
-  return types.size === 2 && types.has('TSDeclareFunction') && types.has('FunctionDeclaration')
+  return (
+    types.has('TSDeclareFunction') &&
+    (types.size === 1 || types.size === 2 && types.has('FunctionDeclaration'))
+  )
 }
 
 module.exports = {

diff --git a/tests/src/rules/export.js b/tests/src/rules/export.js
@@ -134,6 +134,13 @@ context('TypeScript', function () {
           `,
         }, parserConfig)),
 
+        test(Object.assign({
+          code: `
+            export function fff(a: string);
+            export function fff(a: number);
+          `,
+        }, parserConfig)),
+
         test(Object.assign({
           code: `
             export function fff(a: string);