Put back ESM helpers in a folder where we can use .js (#12919)

test/runtime-integration/expected-cjs-10.txt

@@ -3,7 +3,7 @@ typeof objectWithoutProperties: function
 typeof objectWithoutProperties.default: function
 obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
 ================= require - esm =====================
-Error: Unexpected token export
+Error: Unexpected identifier
 =============== require - corejs ====================
 typeof Set: function
 arr: 1,2,3

test/runtime-integration/expected-cjs-13.0.txt

@@ -0,0 +1,9 @@
+================= require - auto ====================
+typeof objectWithoutProperties: function
+typeof objectWithoutProperties.default: function
+obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
+================= require - esm =====================
+Error: Cannot use import statement outside a module
+=============== require - corejs ====================
+typeof Set: function
+arr: 1,2,3

test/runtime-integration/expected-cjs-13.2.txt

@@ -0,0 +1,9 @@
+================= require - auto ====================
+typeof objectWithoutProperties: function
+typeof objectWithoutProperties.default: function
+obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
+================= require - esm =====================
+Error: Must use import to load ES Module: <ROOT>/packages/babel-runtime/helpers/esm/toPrimitive.js
+=============== require - corejs ====================
+typeof Set: function
+arr: 1,2,3

test/runtime-integration/expected-cjs-absolute-10.txt

@@ -3,7 +3,7 @@ typeof objectWithoutProperties: function
 typeof objectWithoutProperties.default: function
 obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
 ================= require - esm =====================
-Error: Unexpected token export
+Error: Unexpected identifier
 =============== require - corejs ====================
 typeof Set: function
 arr: 1,2,3

test/runtime-integration/expected-cjs-absolute-13.0.txt

@@ -3,7 +3,7 @@ typeof objectWithoutProperties: function
 typeof objectWithoutProperties.default: function
 obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
 ================= require - esm =====================
-Error: Unexpected token 'export'
+Error: Cannot use import statement outside a module
 =============== require - corejs ====================
 typeof Set: function
 arr: 1,2,3

test/runtime-integration/expected-cjs.txt

@@ -3,7 +3,11 @@ typeof objectWithoutProperties: function
 typeof objectWithoutProperties.default: function
 obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
 ================= require - esm =====================
-Error: Must use import to load ES Module: <ROOT>/packages/babel-runtime/helpers/toPrimitive/_index.mjs
+Error: Must use import to load ES Module: <ROOT>/packages/babel-runtime/helpers/esm/toPrimitive.js
+require() of ES modules is not supported.
+require() of <ROOT>/packages/babel-runtime/helpers/esm/toPrimitive.js from <ROOT>/test/runtime-integration/src/require-esm.cjs is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules.
+Instead rename toPrimitive.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from <ROOT>/packages/babel-runtime/helpers/esm/package.json.
+
 =============== require - corejs ====================
 typeof Set: function
 arr: 1,2,3

test/runtime-integration/expected-esm-13.2.txt

@@ -0,0 +1,18 @@
+================== import - auto ====================
+typeof inheritsLoose: function
+A.__proto__ === B true
+================= import - esm ======================
+typeof toArray: function
+arr: 1,2,3
+=============== import - corejs ====================
+typeof Set: function
+arr: 1,2,3
+================= require - auto ====================
+typeof objectWithoutProperties: function
+typeof objectWithoutProperties.default: function
+obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
+================= require - esm =====================
+Error: Must use import to load ES Module: <ROOT>/packages/babel-runtime/helpers/esm/toPrimitive.js
+=============== require - corejs ====================
+typeof Set: function
+arr: 1,2,3

test/runtime-integration/expected-esm.txt

@@ -12,7 +12,11 @@ typeof objectWithoutProperties: function
 typeof objectWithoutProperties.default: function
 obj: { b: 2, [Symbol(Symbol.toStringTag)]: 5 }
 ================= require - esm =====================
-Error: Must use import to load ES Module: <ROOT>/packages/babel-runtime/helpers/toPrimitive/_index.mjs
+Error: Must use import to load ES Module: <ROOT>/packages/babel-runtime/helpers/esm/toPrimitive.js
+require() of ES modules is not supported.
+require() of <ROOT>/packages/babel-runtime/helpers/esm/toPrimitive.js from <ROOT>/test/runtime-integration/src/require-esm.cjs is an ES module file as it is a .js file whose nearest parent package.json contains "type": "module" which defines all .js files in that package scope as ES modules.
+Instead rename toPrimitive.js to end in .cjs, change the requiring code to use import(), or remove "type": "module" from <ROOT>/packages/babel-runtime/helpers/esm/package.json.
+
 =============== require - corejs ====================
 typeof Set: function
 arr: 1,2,3

test/runtime-integration/node.cjs

@@ -4,8 +4,15 @@ const fs = require("fs");
 
 const [major, minor] = process.versions.node.split(".").map(n => +n);
 
-if (major > 12 || (major === 12 && minor >= 17)) {
-  test("ESM", "--experimental-modules ./src/main-esm.mjs", "expected-esm.txt");
+if (
+  major > 13 ||
+  (major === 12 && minor >= 17) ||
+  (major === 13 && minor >= 2)
+) {
+  const expectedEsm =
+    major === 13 && minor <= 3 ? "expected-esm-13.2.txt" : "expected-esm.txt";
+
+  test("ESM", "./src/main-esm.mjs", expectedEsm);
   // TODO: This never worked in any Babel version
   // test("ESM - absoluteRuntime", "--esperimental-modules ./src/absolute/main-esm.mjs", "expected-esm-absolute.txt");
 }
@@ -13,6 +20,10 @@ if (major > 12 || (major === 12 && minor >= 17)) {
 const expectedCjs =
   major === 10 || (major === 12 && minor < 12.17)
     ? "expected-cjs-10.txt"
+    : major === 13 && minor <= 1
+    ? "expected-cjs-13.0.txt"
+    : major === 13 && minor <= 3
+    ? "expected-cjs-13.2.txt"
     : "expected-cjs.txt";
 
 test("CJS", "./src/main-cjs.cjs", expectedCjs);