From 456b7f2d7fc934d306e948e906c847417432009b Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= <jerome.benoit@piment-noir.org>
Date: Sat, 13 Jul 2024 00:55:56 +0200
Subject: [PATCH] refactor: permit build code to run with other JS runtime
MIME-Version: 1.0
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Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>
---
 .vscode/settings.json     |  2 ++
 build-requirements.js     | 15 ++++++++++++++-
 package.json              |  2 +-
 tests/utils/Utils.test.ts |  3 ++-
 utils/runtime.js          | 25 +++++++++++++++++++++++++
 5 files changed, 44 insertions(+), 3 deletions(-)
 create mode 100644 utils/runtime.js

diff --git a/.vscode/settings.json b/.vscode/settings.json
index adb17d15..ba2b5805 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -51,12 +51,14 @@
     "rambda",
     "Recurrency",
     "RFID",
+    "runtimes",
     "shutdowning",
     "sonarlint",
     "SRPC",
     "tsdoc",
     "VCAP",
     "webui",
+    "workerd",
     "workerset"
   ]
 }
diff --git a/build-requirements.js b/build-requirements.js
index 501933c4..c4f5dca9 100644
--- a/build-requirements.js
+++ b/build-requirements.js
@@ -5,6 +5,8 @@ import chalk from 'chalk'
 // eslint-disable-next-line n/no-unpublished-import
 import { satisfies } from 'semver'
 
+import { runtime, runtimes } from './utils/runtime.js'
+
 const packageJson = JSON.parse(readFileSync('./package.json', 'utf8'))
 
 /**
@@ -23,4 +25,15 @@ export const checkNodeVersion = () => {
   }
 }
 
-checkNodeVersion()
+switch (runtime) {
+  case runtimes.node:
+    checkNodeVersion()
+    break
+  case runtimes.bun:
+  case runtimes.deno:
+  case runtimes.workerd:
+  case runtimes.browser:
+  default:
+    console.error(chalk.red(`Unsupported ${runtime} runtime detected`))
+    break
+}
diff --git a/package.json b/package.json
index b8f1c782..6b8350b5 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
   },
   "scripts": {
     "prepare": "node prepare.js",
-    "build-requirements": "node --no-warnings build-requirements.js",
+    "build-requirements": "node build-requirements.js",
     "start": "pnpm build && cross-env NODE_ENV=production node dist/start.js",
     "start:dev": "pnpm build:dev && cross-env NODE_ENV=development node --enable-source-maps dist/start.js",
     "start:dev:debug": "pnpm build:dev && cross-env NODE_ENV=development node --enable-source-maps --inspect dist/start.js",
diff --git a/tests/utils/Utils.test.ts b/tests/utils/Utils.test.ts
index 6261beeb..b39c5857 100644
--- a/tests/utils/Utils.test.ts
+++ b/tests/utils/Utils.test.ts
@@ -33,6 +33,7 @@ import {
   sleep,
   validateUUID
 } from '../../src/utils/Utils.js'
+import { runtime, runtimes } from '../../utils/runtime.js'
 
 await describe('Utils test suite', async () => {
   await it('Verify generateUUID()/validateUUID()', () => {
@@ -315,7 +316,7 @@ await describe('Utils test suite', async () => {
     const date = new Date()
     expect(clone(date)).toStrictEqual(date)
     expect(clone(date) === date).toBe(false)
-    if (satisfies(version, '>=21.0.0')) {
+    if (runtime === runtimes.node && satisfies(version, '>=17.0.0')) {
       const url = new URL('https://domain.tld')
       expect(() => clone(url)).toThrowError(new Error('Cannot clone object of unsupported type.'))
     }
diff --git a/utils/runtime.js b/utils/runtime.js
new file mode 100644
index 00000000..ae52ed62
--- /dev/null
+++ b/utils/runtime.js
@@ -0,0 +1,25 @@
+export const runtimes = {
+  bun: 'bun',
+  deno: 'deno',
+  node: 'node',
+  workerd: 'workerd',
+  browser: 'browser'
+}
+
+const isBun = !!globalThis.Bun || !!globalThis.process?.versions?.bun
+const isDeno = !!globalThis.Deno
+const isNode = globalThis.process?.release?.name === 'node'
+// eslint-disable-next-line n/no-unsupported-features/node-builtins
+const isWorkerd = globalThis.navigator?.userAgent === 'Cloudflare-Workers'
+// eslint-disable-next-line n/no-unsupported-features/node-builtins
+const isBrowser = !!globalThis.navigator
+
+export const runtime = (() => {
+  if (isBun) return runtimes.bun
+  if (isDeno) return runtimes.deno
+  if (isNode) return runtimes.node
+  if (isWorkerd) return runtimes.workerd
+  if (isBrowser) return runtimes.browser
+
+  return 'unknown'
+})()
-- 
2.34.1