bouzuya · May 28, 2020 04:00 · May 28, 2020
diff --git a/f.ts b/f.ts
@@ -0,0 +1 @@
+export function f() {}
diff --git a/m1.ts b/m1.ts
@@ -0,0 +1,2 @@
+import { f } from "./f";
+export { f };
diff --git a/m2.ts b/m2.ts
@@ -0,0 +1 @@
+export { f } from "./f";
diff --git a/m3.ts b/m3.ts
@@ -0,0 +1 @@
+export * from "./f";
diff --git a/main.ts b/main.ts
@@ -0,0 +1,8 @@
+import assert from "assert";
+import * as m1 from "./m1";
+import * as m2 from "./m2";
+import * as m3 from "./m3";
+
+assert(Object.getOwnPropertyDescriptor(m1, "f")?.configurable === true);
+assert(Object.getOwnPropertyDescriptor(m2, "f")?.configurable === false);
+assert(Object.getOwnPropertyDescriptor(m3, "f")?.configurable === false);
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