Use a simpler symbol for esm export detection.

standard-things · Jan 30, 2019 · 7913505 · 7913505
1 parent 89f7528
commit 7913505
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/esm.js b/esm.js
@@ -283,6 +283,7 @@ if (cachePath !== "") {
   }
 }
 
+// The legacy symbol used for `esm` export detection.
 defineProperty(makeRequireFunction, shared.symbol.package, {
   __proto__: null,
   value: true
@@ -293,6 +294,11 @@ defineProperty(makeRequireFunction, shared.customInspectKey, {
   value: () => "esm enabled"
 })
 
+defineProperty(makeRequireFunction, "esm:package", {
+  __proto__: null,
+  value: true
+})
+
 defineProperty(makeRequireFunction, "process", {
   __proto__: null,
   value: jestTransform