undo part of changes in guardrails

Author: juan-fernandez

integration-tests/init.spec.js

@@ -166,19 +166,26 @@ describe('init.js', () => {
   testRuntimeVersionChecks('require', 'init.js')
 })
 
-describe('initialize.mjs', () => {
-  useSandbox()
-  stubTracerIfNeeded()
-
-  context('as --loader', () => {
-    testInjectionScenarios('loader', 'initialize.mjs',
-      process.versions.node !== '18.0.0')
-    testRuntimeVersionChecks('loader', 'initialize.mjs')
-  })
-  if (semver.satisfies(process.versions.node, '>=20.6.0')) {
-    context('as --import', () => {
-      testInjectionScenarios('import', 'initialize.mjs', true)
+// ESM is not supportable prior to Node.js 12.17.0, 14.13.1 on the 14.x line,
+// or on 18.0.0 in particular.
+if (
+  semver.satisfies(process.versions.node, '>=12.17.0') &&
+  semver.satisfies(process.versions.node, '>=14.13.1')
+) {
+  describe('initialize.mjs', () => {
+    useSandbox()
+    stubTracerIfNeeded()
+
+    context('as --loader', () => {
+      testInjectionScenarios('loader', 'initialize.mjs',
+        process.versions.node !== '18.0.0')
       testRuntimeVersionChecks('loader', 'initialize.mjs')
     })
-  }
-})
+    if (semver.satisfies(process.versions.node, '>=20.6.0')) {
+      context('as --import', () => {
+        testInjectionScenarios('import', 'initialize.mjs', true)
+        testRuntimeVersionChecks('loader', 'initialize.mjs')
+      })
+    }
+  })
+}