Updated perf

spikes/card-harness/scripts/test-support.mjs

@@ -0,0 +1,74 @@
+import { registerHooks } from 'node:module'
+import { readFileSync } from 'node:fs'
+import ts from 'typescript'
+import { createHash } from 'node:crypto'
+
+registerHooks({
+  resolve(specifier, context, nextResolve) {
+    if (specifier.startsWith('./') && context.parentURL?.endsWith('.ts') && !specifier.endsWith('.ts')) {
+      return nextResolve(`${specifier}.ts`, context)
+    }
+    return nextResolve(specifier, context)
+  },
+  load(url, context, nextLoad) {
+    if (!url.endsWith('.ts')) return nextLoad(url, context)
+    const source = ts.transpileModule(readFileSync(new URL(url), 'utf8'), {
+      compilerOptions: { target: ts.ScriptTarget.ES2023, module: ts.ModuleKind.ESNext },
+    }).outputText
+    return { format: 'module', source, shortCircuit: true }
+  },
+})
+
+export class TestCanvas extends EventTarget {
+  width = 390
+  height = 736
+  captures = new Set()
+  getContext() {
+    return {
+      fillRect() {}, strokeRect() {}, fillText() {}, save() {}, restore() {},
+      translate() {}, rotate() {}, createLinearGradient() { return { addColorStop() {} } },
+    }
+  }
+  getBoundingClientRect() { return { left: 0, top: 0, width: this.width, height: this.height } }
+  setPointerCapture(id) { this.captures.add(id) }
+  hasPointerCapture(id) { return this.captures.has(id) }
+  releasePointerCapture(id) { this.captures.delete(id) }
+}
+
+export function installDOM(reducedMotion = false) {
+  globalThis.document = {
+    createElement(name) {
+      if (name !== 'canvas') throw new Error(`Unexpected test element: ${name}`)
+      return new TestCanvas()
+    },
+  }
+  globalThis.window = { matchMedia: () => ({ matches: reducedMotion }) }
+}
+
+export function geometryHash(wrapper) {
+  const hash = createHash('sha256')
+  for (const mesh of wrapper.root.children) {
+    for (const name of ['position', 'normal', 'uv']) {
+      const array = mesh.geometry.getAttribute(name).array
+      hash.update(Buffer.from(array.buffer, array.byteOffset, array.byteLength))
+    }
+    hash.update(JSON.stringify(mesh.geometry.boundingSphere))
+    hash.update(String(mesh.visible))
+  }
+  return hash.digest('hex')
+}
+
+export const wrapperCases = [
+  [0, 0, 0, [0, 0, 0], 4.8],
+  [0.25, 0, 0, [-1.2, 1.7, 0.6], 4.8],
+  [0.89, 0, 0, [0.2, 1.7, 1], 4.8],
+  [1, 0, 0, [1.6, 1.7, 0.8], 4.8],
+  [1, 0.4, 0, [1.6, 1.7, 0.3], 6.3],
+  [1, 0.99, 0.05, [1.6, 1.7, 0.1], 6.3],
+  [1, 1, 0.5, [0, 0, 0], 6.3],
+  [1, 1, 1, [0, 0, 0], 6.3],
+  [1, 1, 1, [0, 0, 0], 12.7],
+  [0, 0, 0, [0, 0, 0], 4.8],
+  [0, 0, 0, [0.3, -1.2, 1], 4.8],
+  [0, 0, 0, [-1.68, -2.24, 0.001], 4.8],
+]