From 38d2fe128bee87d4abba0b3e86cfbf5d6e6dd7b6 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@codecow.com>
Date: Fri, 10 Jul 2026 12:45:00 -0700
Subject: [PATCH] Convert async dynamic imports to standard import map. Drop
 jsdelivr and just use unpkg at least for now.

---
 test/index.html | 63 +++++++++++++++++++------------------------------
 1 file changed, 24 insertions(+), 39 deletions(-)
diff --git a/test/index.html b/test/index.html
index 40b423f..d3fbac9 100644
--- a/test/index.html
+++ b/test/index.html
@@ -7,40 +7,25 @@ SPDX-License-Identifier: GPL-3.0-or-later
 
 <head>
 	<link rel="icon" href="#">
-	<script type="module">
-		try {
-			const { hostname, port } = new URL(window.location)
-			let NanoPow, Cache, stats
-			if (port && hostname === '127.0.0.1') {
-				NanoPow = await import('../dist/index.js')
-			} else {
-				try {
-					NanoPow = await import('https://unpkg.com/nano-pow@5.2/dist/index.js')
-				} catch (err) {
-					console.warn(err)
-					try {
-						NanoPow = await import('https://cdn.jsdelivr.net/npm/nano-pow@5.2/dist/index.js')
-					} catch (err) {
-						throw new Error(`Failed to load NanoPow ${err}`)
-					}
-				}
-			}
-
-			if (port && hostname === '127.0.0.1') {
-				({ Cache, stats } = await import('../dist/utils/index.js'))
-			} else {
-				try {
-					({ Cache, stats } = await import('https://unpkg.com/nano-pow@5.2/dist/utils/index.js'))
-				} catch (err) {
-					console.warn(err)
-					try {
-						({ Cache, stats } = await import('https://cdn.jsdelivr.net/npm/nano-pow@5.2/dist/utils/index.js'))
-					} catch (err) {
-						throw new Error(`Failed to load NanoPow utilities ${err}`)
-					}
+	<script type="importmap">
+		{
+			"imports": {
+				"nano-pow": "https://unpkg.com/nano-pow@5.2.0/dist/index.js",
+				"nano-pow/utils": "https://unpkg.com/nano-pow@5.2.0/dist/utils/index.js"
+			},
+			"scopes": {
+				"/test/": {
+					"nano-pow": "../dist/index.js",
+					"nano-pow/utils": "../dist/utils/index.js"
 				}
 			}
+		}
+	</script>
+	<script type="module">
+		import { NanoPow } from 'nano-pow'
+		import { Cache, stats } from 'nano-pow/utils'
 
+		try {
 			const glSize = (canvas => {
 				const gl = canvas.getContext('webgl2')
 				const MAX_VIEWPORT_DIMS = gl?.getParameter(gl.MAX_VIEWPORT_DIMS) ?? [0x1000, 0x1000]
@@ -49,7 +34,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 				return gl?.drawingBufferHeight < gl?.drawingBufferWidth ? gl?.drawingBufferHeight : gl?.drawingBufferWidth
 			})(new OffscreenCanvas(0, 0))
 
-			function random (size = 64) {
+			function random(size = 64) {
 				let hex = ''
 				while (hex.length < size) {
 					hex += crypto.randomUUID().replace(/-.*-/g, '')
@@ -57,7 +42,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 				return hex.slice(0, size)
 			}
 
-			function average (times, type, effort) {
+			function average(times, type, effort) {
 				const averages = stats(times)
 				const title = type === 'WebGPU'
 					? `NanoPow (${type}) | Effort: ${effort} | Dispatch: ${(effort << 8) << 1} | Threads: ${64 * (effort << 8) << 1}`
@@ -69,7 +54,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 				}
 			}
 
-			async function run (size, difficulty, effort, api, isOutputShown, isDebug, isSelfCheck) {
+			async function run(size, difficulty, effort, api, isOutputShown, isDebug, isSelfCheck) {
 				// Generate once on load to compile shaders and initialize buffers
 				await NanoPow.work_generate(random(), { api, difficulty: '0', debug: isDebug })
 				const type = api
@@ -192,7 +177,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 				console.log('%cTESTING COMPLETE', 'color:orange;font-weight:bold')
 			}
 
-			async function score (runs, size, difficulty, effort, api) {
+			async function score(runs, size, difficulty, effort, api) {
 				console.log(`%cNanoPow ${api}`, 'color:green', `Calculate truncated harmonic mean of the truncated arithmetic rate across ${runs} runs of ${size} samples.`)
 				const rates = []
 				for (let i = 0; i < runs; i++) {
@@ -220,7 +205,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 				console.log('%cSCORING COMPLETE', 'color:orange;font-weight:bold')
 			}
 
-			async function execute (size, difficulty, effort, api, isOutputShown = false, debug = false) {
+			async function execute(size, difficulty, effort, api, isOutputShown = false, debug = false) {
 				Cache.clear()
 				const output = document.getElementById('output')
 				const status = document.getElementById('status')
@@ -245,7 +230,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 				return times
 			}
 
-			function startValidation (event) {
+			function startValidation(event) {
 				const difficulty = document.getElementById('difficulty')?.value
 				const work = document.getElementById('work')?.value
 				const hash = document.getElementById('hash')?.value
@@ -277,7 +262,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 			document.getElementById('hash').addEventListener('input', startValidation)
 			document.getElementById('api').addEventListener('input', startValidation)
 
-			function startTest (event) {
+			function startTest(event) {
 				event.target.disabled = true
 				const size = document.getElementById('size')
 				const difficulty = document.getElementById('difficulty')
@@ -293,7 +278,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 					})
 			}
 
-			function startScore (event) {
+			function startScore(event) {
 				event.target.disabled = true
 				const runs = document.getElementById('runs')
 				const size = document.getElementById('size')
-- 
2.52.0

