diff --git a/scripts/esbuild/cli.ts b/scripts/esbuild/cli.ts
index 14ceaf64ca9..f5691f25e32 100644
--- a/scripts/esbuild/cli.ts
+++ b/scripts/esbuild/cli.ts
@@ -5,7 +5,7 @@ import { join } from 'path';
 import { getBanner } from '../utils/banner';
 import { BuildOptions } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules, runBuilds } from './utils';
+import { externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases, runBuilds } from './utils';
 
 /**
  * Runs esbuild to bundle the `cli` submodule
@@ -30,7 +30,7 @@ export async function buildCli(opts: BuildOptions) {
   // this isn't strictly necessary to alias - however, this minimizes cuts down the bundle size by ~70kb.
   cliAliases['prompts'] = 'prompts/lib/index.js';
 
-  const external = [...getEsbuildExternalModules(opts, opts.output.cliDir), '../testing/*'];
+  const external = [...externalNodeModules, '../testing/*'];
 
   const cliEsbuildOptions = {
     ...getBaseEsbuildOptions(),
diff --git a/scripts/esbuild/compiler.ts b/scripts/esbuild/compiler.ts
index 500acf56c9a..49147c9b522 100644
--- a/scripts/esbuild/compiler.ts
+++ b/scripts/esbuild/compiler.ts
@@ -6,7 +6,7 @@ import { join } from 'path';
 import { getBanner } from '../utils/banner';
 import { BuildOptions, createReplaceData } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules, runBuilds } from './utils';
+import { externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases, runBuilds } from './utils';
 import { bundleParse5 } from './utils/parse5';
 import { bundleTerser } from './utils/terser';
 import { bundleTypeScriptSource, tsCacheFilePath } from './utils/typescript-source';
@@ -51,7 +51,7 @@ export async function buildCompiler(opts: BuildOptions) {
   };
 
   const external = [
-    ...getEsbuildExternalModules(opts, opts.output.compilerDir),
+    ...externalNodeModules,
     '../mock-doc/index.cjs',
     '../sys/node/autoprefixer.js',
     '../sys/node/index.js',
diff --git a/scripts/esbuild/internal-platform-client.ts b/scripts/esbuild/internal-platform-client.ts
index 7168d7a1b0e..685cf10f785 100644
--- a/scripts/esbuild/internal-platform-client.ts
+++ b/scripts/esbuild/internal-platform-client.ts
@@ -7,7 +7,7 @@ import { join } from 'path';
 import { getBanner } from '../utils/banner';
 import { BuildOptions, createReplaceData } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { externalAlias, getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules } from './utils';
+import { externalAlias, externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases } from './utils';
 
 /**
  * Create objects containing ESbuild options for the two bundles which need to
@@ -41,7 +41,7 @@ export async function getInternalClientBundles(opts: BuildOptions): Promise<ESBu
   const internalClientAliases = getEsbuildAliases();
   internalClientAliases['@platform'] = join(inputClientDir, 'index.ts');
 
-  const clientExternal = getEsbuildExternalModules(opts, opts.output.internalDir);
+  const clientExternal = externalNodeModules;
 
   const internalClientBundle: ESBuildOptions = {
     ...getBaseEsbuildOptions(),
@@ -73,7 +73,7 @@ export async function getInternalClientBundles(opts: BuildOptions): Promise<ESBu
   }
 
   const patchBrowserExternal = [
-    ...getEsbuildExternalModules(opts, opts.output.internalDir),
+    ...externalNodeModules,
     '@stencil/core',
     '@stencil/core/mock-doc',
   ];
diff --git a/scripts/esbuild/internal-platform-hydrate.ts b/scripts/esbuild/internal-platform-hydrate.ts
index 429556399a0..1b030f166a1 100644
--- a/scripts/esbuild/internal-platform-hydrate.ts
+++ b/scripts/esbuild/internal-platform-hydrate.ts
@@ -6,7 +6,7 @@ import { getBanner } from '../utils/banner';
 import { bundleDts } from '../utils/bundle-dts';
 import { BuildOptions } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { externalAlias, getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules } from './utils';
+import { externalAlias, externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases } from './utils';
 
 /**
  * Create objects containing ESbuild options for the two bundles comprising
@@ -35,7 +35,7 @@ export async function getInternalPlatformHydrateBundles(opts: BuildOptions): Pro
 
   const hydratePlatformInput = join(hydrateSrcDir, 'platform', 'index.js');
 
-  const external = getEsbuildExternalModules(opts, outputInternalHydrateDir);
+  const external = externalNodeModules;
 
   const internalHydrateAliases = getEsbuildAliases();
   internalHydrateAliases['@platform'] = hydratePlatformInput;
diff --git a/scripts/esbuild/internal-platform-testing.ts b/scripts/esbuild/internal-platform-testing.ts
index 99f7866ea01..8618fb6ae09 100644
--- a/scripts/esbuild/internal-platform-testing.ts
+++ b/scripts/esbuild/internal-platform-testing.ts
@@ -4,7 +4,7 @@ import { join } from 'path';
 
 import { BuildOptions } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { externalAlias, getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules } from './utils';
+import { externalAlias, externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases } from './utils';
 
 /**
  * Get an ESBuild configuration object for the internal testing bundle. This
@@ -34,7 +34,7 @@ export async function getInternalTestingBundle(opts: BuildOptions): Promise<ESBu
     '@stencil/core/mock-doc': '../../mock-doc/index.cjs',
   };
 
-  const external: string[] = [...getEsbuildExternalModules(opts, opts.output.internalDir), '../../mock-doc/index.cjs'];
+  const external: string[] = [...externalNodeModules, '../../mock-doc/index.cjs'];
 
   const internalTestingBuildOptions: ESBuildOptions = {
     ...getBaseEsbuildOptions(),
diff --git a/scripts/esbuild/screenshot.ts b/scripts/esbuild/screenshot.ts
index a7d1115914c..749b60594a3 100644
--- a/scripts/esbuild/screenshot.ts
+++ b/scripts/esbuild/screenshot.ts
@@ -5,7 +5,7 @@ import { join } from 'path';
 import { getBanner } from '../utils/banner';
 import { BuildOptions } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules, runBuilds } from './utils';
+import { externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases, runBuilds } from './utils';
 
 const screenshotBuilds = {
   'Stencil Screenshot': 'index',
@@ -39,9 +39,7 @@ export async function buildScreenshot(opts: BuildOptions) {
   });
 
   const aliases = getEsbuildAliases();
-
-  const external = getEsbuildExternalModules(opts, opts.output.screenshotDir);
-
+  const external = externalNodeModules;
   const baseScreenshotOptions = {
     ...getBaseEsbuildOptions(),
     alias: aliases,
diff --git a/scripts/esbuild/sys-node.ts b/scripts/esbuild/sys-node.ts
index e27c89ec3be..79d6870f75f 100644
--- a/scripts/esbuild/sys-node.ts
+++ b/scripts/esbuild/sys-node.ts
@@ -7,7 +7,7 @@ import webpack, { Configuration } from 'webpack';
 import { getBanner } from '../utils/banner';
 import type { BuildOptions } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
-import { externalAlias, getBaseEsbuildOptions, getEsbuildAliases, getEsbuildExternalModules, runBuilds } from './utils';
+import { externalAlias, externalNodeModules, getBaseEsbuildOptions, getEsbuildAliases, runBuilds } from './utils';
 
 export async function buildSysNode(opts: BuildOptions) {
   const inputDir = path.join(opts.buildDir, 'sys', 'node');
@@ -32,7 +32,7 @@ export async function buildSysNode(opts: BuildOptions) {
   });
 
   const external = [
-    ...getEsbuildExternalModules(opts, opts.output.sysNodeDir),
+    ...externalNodeModules,
     // normally you wouldn't externalize your "own" directory here, but since
     // we build multiple things within `opts.output.sysNodeDir` which should
     // externalize each other we need to do so
diff --git a/scripts/esbuild/testing.ts b/scripts/esbuild/testing.ts
index f4508c6a24a..df10e43920d 100644
--- a/scripts/esbuild/testing.ts
+++ b/scripts/esbuild/testing.ts
@@ -7,9 +7,9 @@ import type { BuildOptions } from '../utils/options';
 import { writePkgJson } from '../utils/write-pkg-json';
 import {
   externalAlias,
+  externalNodeModules,
   getBaseEsbuildOptions,
   getEsbuildAliases,
-  getEsbuildExternalModules,
   getFirstOutputFile,
   runBuilds,
 } from './utils';
@@ -44,7 +44,7 @@ export async function buildTesting(opts: BuildOptions) {
 
   const external = [
     ...EXTERNAL_TESTING_MODULES,
-    ...getEsbuildExternalModules(opts, opts.output.testingDir),
+    ...externalNodeModules,
     '../internal/testing/*',
     '../cli/index.cjs',
     '../sys/node/index.js',
diff --git a/scripts/esbuild/utils/index.ts b/scripts/esbuild/utils/index.ts
index 3f4a09aae8c..568a0f96129 100644
--- a/scripts/esbuild/utils/index.ts
+++ b/scripts/esbuild/utils/index.ts
@@ -37,7 +37,7 @@ export function getEsbuildAliases(): Record<string, string> {
  * as side-effect-free, which allows imports from them to be properly
  * tree-shaken.
  */
-const externalNodeModules = [
+export const externalNodeModules = [
   '@jest/core',
   '@jest/reporters',
   '@microsoft/typescript-etw',
@@ -55,39 +55,6 @@ const externalNodeModules = [
   'yargs',
 ];
 
-/**
- * Get a manifest of modules which should be marked as external for a given
- * esbuild bundle
- *
- * @param opts options for the current build
- * @param ownEntryPoint the entry point alias of the current module
- * @returns a list of modules which should be marked as external
- */
-export function getEsbuildExternalModules(opts: BuildOptions, ownEntryPoint: string): string[] {
-  const root = path.resolve(__dirname, '..', '..', '..');
-  const bundles = Object.values(opts.output)
-    /**
-     * Filter out the `internal`, `cli`, and `compiler` directories, as they we intend to import
-     * these primitives directly from these packages.
-     */
-    .filter((bundle) => !bundle.endsWith('internal') && !bundle.endsWith('cli') && !bundle.endsWith('compiler') && !bundle.endsWith('screenshot') && !bundle.endsWith('mock-doc'))
-    .filter((outdir) => outdir !== ownEntryPoint)
-    /**
-     * transform the absolute path to a relative one
-     */
-    .map((p) => [
-      '..' + path.sep + 'src' + path.sep + path.relative(root, path.join(p, '*')),
-      '.' + path.sep + 'src' + path.sep + path.relative(root, path.join(p, '*')),
-    ])
-    .flat()
-    /**
-     * replace path separators with forward slashes
-     */
-    .map((p) => p.replaceAll(path.sep, '/'));
-
-  return [...externalNodeModules, ...bundles];
-}
-
 /**
  * A helper which runs an array of esbuild, uh, _builds_
  *