fix(NodeTestConductor): remove use of --experimental-network-imports

Author: ph-fritsche

src/conductor/NodeTestConductor.ts

@@ -54,7 +54,6 @@ export class NodeTestConductor extends TestConductor {
         return new AbortablePromise<void>(abortController, (resolve, reject, onTeardown) => {
             const child = spawn('node', [
                 '--input-type=module',
-                '--experimental-network-imports',
                 '--experimental-import-meta-resolve',
                 '--require', `${loaderPath}/experimental.cjs`,
                 // TODO: handle resolved source mappings in ReporterServer
@@ -124,6 +123,16 @@ exit()
         await new Promise<void>((res, rej) => {
             child.on('error', rej)
 
+            child.stdin.on('error', (e: NodeJS.ErrnoException) => {
+                child.kill()
+                if (e.code === 'EPIPE') {
+                    // Bad options cause pipe errors on stdin.
+                    // Just killing the child provides a clearer error message.
+                } else {
+                    throw e
+                }
+            })
+
             child.stdin.end(childCode)
 
             child.on('exit', (code, signal) => {

src/node/loader-netlocal.js

@@ -5,13 +5,14 @@
 import module from 'node:module'
 import process from 'node:process'
 import url from 'node:url'
+import { get } from 'node:http'
 
 /**
  * @type NodeJSLoader.Resolver
  */
 export const resolve = async (specifier, context, nextResolve) => {
     if (context.parentURL?.startsWith('http://127.0.0.1:')) {
-        if (specifier.startsWith('file:///')) {
+        if (specifier.startsWith('file:///') || specifier.startsWith('http://127.0.0.1:')) {
             return {
                 shortCircuit: true,
                 url: specifier,
@@ -31,3 +32,27 @@ export const resolve = async (specifier, context, nextResolve) => {
 
     return nextResolve(specifier, context)
 }
+
+/**
+ * @type NodeJSLoader.Loader
+ */
+export const load = (url, context, nextLoad) => {
+    if (url.startsWith('http://127.0.0.1:')) {
+        return new Promise((res, rej) => {
+            get(url, r => {
+                let content = ''
+                r.setEncoding('utf8')
+                r.on('data', c => content += c)
+                r.on('end', () => {
+                    res({
+                        format: 'module',
+                        shortCircuit: true,
+                        source: content,
+                    })
+                })
+            }).on('error', rej)
+        })
+    }
+
+    return nextLoad(url, context)
+}