Merge pull request #517 from testdouble/make-auto-register-really-work

make Node 20.6.0 auto register _really_ work

package.json

@@ -41,15 +41,15 @@
     "style": "run-p style:js style:ts",
     "style:js": "standard --fix",
     "style:ts": "standard --fix --parser @typescript-eslint/parser --plugin @typescript-eslint/eslint-plugin \"**/*.ts\"",
-    "test": "run-s test:unit test:safe test:esm test:no-loader-esm test:example",
+    "test": "run-s test:unit test:safe test:esm test:esm-auto-loader test:no-loader-esm test:example",
     "test:unit": "teenytest --helper test/helper.js \"test/unit/**/*.test.{js,ts}\"",
     "test:safe": "teenytest --helper test/helper.js \"test/safe/**/*.test.{js,ts}\"",
     "test:esm": "cross-env NODE_OPTIONS=\"--loader=quibble\" TS_NODE_IGNORE=\"node_modules,notypescript\" ./test/safe-esm/teenytest-proxy.js --helper test/helper.js test/safe-esm/replace.test.js",
-    "test:esm-auto-loader": "node test/esm-lib/supports-auto-load.js not || TS_NODE_IGNORE=\"node_modules,notypescript\" ./test/safe-esm/teenytest-proxy.js --helper test/helper.js test/safe-esm/replace.test.js",
-    "test:no-loader-esm": "node test/esm-lib/supports-auto-load.js || cross-env TS_NODE_IGNORE=\"node_modules,notypescript\" teenytest test/helper.js './test/safe-esm/*.no-loader-test.{mjs,js}'",
+    "test:esm-auto-loader": "node test/support/supports-auto-load.js not || cross-env TS_NODE_IGNORE=\"node_modules,notypescript\" ./test/safe-esm/teenytest-proxy.js --helper test/helper.js test/safe-esm/replace.test.js",
+    "test:no-loader-esm": "node test/support/supports-auto-load.js || cross-env TS_NODE_IGNORE=\"node_modules,notypescript\" teenytest test/helper.js './test/safe-esm/*.no-loader-test.{mjs,js}'",
     "test:ci": "npm run compile && run-p style test && echo \"All done!\"",
-    "test:example": "run-s test:example:babel test:example:jest test:example:jest-broken test:example:node test:example:node-ava test:example:node-esm",
-    "test:example-esm-auto-loader": "node test/esm-lib/supports-auto-load.js not || npm run test:example:node-esm-auto-loader",
+    "test:example": "run-s test:example:babel test:example:jest test:example:jest-broken test:example:node test:example:node-ava test:example:node-esm test:example-esm-auto-loader",
+    "test:example-esm-auto-loader": "node test/support/supports-auto-load.js not || npm run test:example:node-esm-auto-loader",
     "test:example:babel": "bash ./script/run-examples babel",
     "test:example:jest": "bash ./script/run-examples jest",
     "test:example:jest-broken": "bash ./script/run-examples jest-broken",

src/can-register-loader.js

@@ -0,0 +1,9 @@
+function canRegisterLoader () {
+  const [major, minor] = process.versions.node
+    .split('.')
+    .map((m) => parseInt(m, 10))
+
+  return major > 20 || (major === 20 && minor >= 6)
+}
+
+exports.canRegisterLoader = canRegisterLoader

src/replace/index.js

@@ -2,6 +2,7 @@ import _ from '../wrap/lodash'
 import * as quibble from 'quibble'
 import replaceModule, { replaceEsModule } from './module'
 import replaceProperty from './property'
+import { canRegisterLoader } from '../can-register-loader'
 
 quibble.ignoreCallsFromThisFile()
 
@@ -14,7 +15,7 @@ export default function (target) {
 }
 
 export function replaceEsm (_modulePath, _namedExportReplacement, _defaultExportReplacement) {
-  if (!quibble.isLoaderLoaded()) {
+  if (!canRegisterLoader() && !quibble.isLoaderLoaded()) {
     throw new Error('testdouble ESM loader not loaded. You cannot replace ES modules without a loader. Run node with `--loader=testdouble`.')
   }
   // Sending arguments instead of the above arguments is crucial because `replaceEsModule`

test/support/supports-auto-load.js

@@ -1,4 +1,4 @@
-const { canRegisterLoader } = require('../../lib/canRegisterLoader.js')
+const { canRegisterLoader } = require('../../lib/can-register-loader')
 
 if (process.argv[2] === 'not') {
   process.exit(!canRegisterLoader() ? 0 : 1)