fix: reduced SPA build chunk sizes

web/vite/vendorChunks.spec.ts

@@ -0,0 +1,33 @@
+import { describe, expect, it } from 'vitest'
+import { vendorChunk } from './vendorChunks'
+
+describe('vendorChunk', () => {
+	it.each([
+		['/app/node_modules/prosemirror-state/dist/index.js', 'prosemirror'],
+		['/app/node_modules/prosemirror-view/dist/index.js', 'prosemirror'],
+		['/app/node_modules/@tiptap/core/dist/index.js', 'tiptap'],
+		['/app/node_modules/markdown-it/index.mjs', 'markdown'],
+		['/app/node_modules/vue/dist/vue.runtime.esm-bundler.js', 'vue'],
+		['/app/node_modules/@vue/runtime-core/dist/runtime-core.esm-bundler.js', 'vue'],
+		['/app/node_modules/vue-router/dist/vue-router.mjs', 'vue'],
+		['/app/node_modules/pinia/dist/pinia.mjs', 'vue'],
+		['/app/node_modules/reka-ui/dist/index.js', 'reka'],
+		['/app/node_modules/@vueuse/core/index.mjs', 'ui-utils'],
+		['/app/node_modules/@floating-ui/dom/dist/floating-ui.dom.mjs', 'ui-utils'],
+		['C:\\app\\node_modules\\@tiptap\\core\\dist\\index.js', 'tiptap'],
+	])('puts %s in the %s chunk', (id, chunk) => {
+		expect(vendorChunk(id)).toBe(chunk)
+	})
+
+	it('leaves application code and unknown packages to the default splitting', () => {
+		expect(vendorChunk('/app/src/views/EditorView.vue')).toBeUndefined()
+		expect(vendorChunk('/app/node_modules/some-lib/index.js')).toBeUndefined()
+		expect(
+			vendorChunk('/app/node_modules/@nuxt/ui/dist/runtime/components/Button.vue'),
+		).toBeUndefined()
+	})
+
+	it('does not match packages that merely start with a group name', () => {
+		expect(vendorChunk('/app/node_modules/vue-demi/lib/index.mjs')).toBeUndefined()
+	})
+})