Embeddable JS chat widget for Messenzy (Preact + Vite)
Add vitest 4.1, jsdom 25, and @testing-library/preact as devDeps so the widget gets a real test surface for the upcoming Shadow DOM mount work. - vitest.config.ts mirrors the build aliases (preact/compat) and uses jsdom for DOM-touching tests. - tests/setup.ts is the place to add polyfills as the surface grows. - tests/unit/smoke.test.ts confirms vitest runs, jsdom is wired, and Shadow DOM API is available. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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|---|---|---|
| src | ||
| tests | ||
| .gitignore | ||
| package-lock.json | ||
| package.json | ||
| README.md | ||
| tsconfig.json | ||
| tsconfig.node.json | ||
| vite.config.ts | ||
| vitest.config.ts | ||
messenzy-widget
Embeddable JS chat widget for the Messenzy platform. Preact 10 + Vite 6, outputs a single IIFE (~30-50 KB minified) for direct <script> inclusion.
Integration
<!-- 1. Add a mount point (optional — widget auto-creates one if absent) -->
<div id="messenzy-root"></div>
<!-- 2. Load the widget -->
<script
src="https://messenger-bot.mind4solutions.cloud/widget/messenzy-widget.iife.js"
data-bot-id="YOUR_BOT_ID"
data-api-key="YOUR_API_KEY"
data-position="bottom-right"
></script>
Script attributes
| Attribute | Required | Default | Description |
|---|---|---|---|
data-bot-id |
yes | — | Bot identifier |
data-api-key |
yes | — | Public API key for the bot |
data-server-url |
no | derived from script src origin |
Override API/WS server base URL |
data-position |
no | bottom-right |
bottom-right or bottom-left |
Theme customization
Set CSS variables on :root or any parent element before loading the widget:
:root {
--messenzy-primary: #6366f1; /* bubble + send button color */
--messenzy-accent: #f43f5e; /* unread badge color */
}
Build
npm install
npm run build # outputs dist/messenzy-widget.iife.js + dist/messenzy-widget.js (ESM)
npm run typecheck # no-emit TypeScript check
npm run dev # Vite dev server
Spec
See messenger-bot/docs/superpowers/specs/2026-04-25-sp6-webchat-widget-design.md for the full SP6 webchat widget design specification.