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Ekklesia/surfaces/shell/src/browser/main.tsx
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ekklesiaandClaude Opus 5.5 a12cbe9600
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feat(api): serve the built Dashboard from the API origin
Serve surfaces/shell's built Dashboard from apps/api on the same origin
as /api (ADR 0044), exactly as the display host is served: a closed set
of files read once at startup, never a static directory, never a path
built from request input.

- The shell exports @ekklesia/shell/dashboard-assets (the exact built
  index.html and script URLs), emits the script at
  assets/ekklesia-dashboard/app.js, and index.html names that absolute
  path so dev and production serve the same URLs.
- GET / and GET /assets/ekklesia-dashboard/app.js answer from a frozen
  snapshot: no-cache with a strong ETag and 304 on match. Source maps
  are never served; every other path is the ordinary sanitized 404.
- The page sets nosniff, X-Frame-Options: DENY, Content-Security-Policy:
  frame-ancestors 'none' (that directive only), and Referrer-Policy:
  no-referrer, on 200 and 304 alike.
- A missing or empty shell build fails startup with a fixed
  DashboardHostAssetError before any module code is imported.
- The If-None-Match comparison moves to conditional-request.ts, shared
  with the display host routes.
- The emailed-link token stripping moves from browser/main.tsx into
  consumeAuthLanding (location and history injected) so it is tested;
  behavior is unchanged.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-01 17:54:55 -05:00

59 lines
2.6 KiB
TypeScript

import { installEkklesiaDesignTokens } from "@ekklesia/design-tokens";
import { EkklesiaUiStyles } from "@ekklesia/ui";
import { createRoot } from "react-dom/client";
import { consumeAuthLanding } from "../auth-protocol.js";
import type { EkklesiaHostConfig } from "../host-protocol.js";
import { HostApp } from "./HostApp.js";
/**
* Replaced at build time by `scripts/build-browser.mjs` with a JSON string literal: the API origin
* when `EKKLESIA_API_BASE_URL` was set for the build, and `""` otherwise. Declared rather than read
* from `process.env`, because a browser has no `process` and the substitution must be visible here
* instead of hidden in bundler configuration.
*/
declare const __EKKLESIA_API_BASE_URL__: string;
/**
* The one place the shell touches a browser global.
*
* An empty build-time value means the API is served from the same origin as this page, which is the
* expected production shape; a non-empty one is the split-origin development shape the platform's
* trusted-origin configuration already supports (`EKKLESIA_IDENTITY_TRUSTED_ORIGINS` must list this
* page's origin for the session cookie to travel). Everything downstream receives the resolved
* origin as a plain argument, so no other file in this package reads `window`.
*/
const config: EkklesiaHostConfig = {
apiBaseUrl: __EKKLESIA_API_BASE_URL__ || window.location.origin,
};
/** Read once, before anything renders, and stripped from the address bar in the same step. See
* `consumeAuthLanding` for why the token must not stay in the URL. */
const authLanding = consumeAuthLanding(window.location, window.history);
const container = document.getElementById("ekklesia-host");
if (!container) {
throw new Error("The Ekklesia shell requires a #ekklesia-host element.");
}
/**
* The host root installs the platform's default theme once, at the document (ADR 0039).
*
* This is what makes the tokens available to *everything* on the page, including each module UI
* artifact mounted inside its own isolated root: CSS custom properties inherit through a shadow
* boundary, so a module reads `var(--ekklesia-…)` without the host reaching into the artifact or the
* artifact importing the host. Only the values live here — the platform ships no theme editor, and
* an installation that wants different values overrides these declarations at its own root.
*/
installEkklesiaDesignTokens(document);
createRoot(container).render(
<>
<EkklesiaUiStyles />
{authLanding ? (
<HostApp authLanding={authLanding} config={config} />
) : (
<HostApp config={config} />
)}
</>,
);