astro/dist/core/session/handler.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

import { getEnvironment } from "../environment/index.js";
import { markFeatureUsed, FetchFeatures } from "../fetch/features.js";
import { getSessionDriver } from "./driver.js";
import { AstroSession, PERSIST_SYMBOL } from "./runtime.js";
const SESSION_KEY = "session";
/**
* Registers a session provider on the given `FetchState`. When
* `state.resolve('session')` is first called, the `AstroSession` is
* created lazily. When `state.finalizeAll()` runs, any mutations are
* persisted.
*
* No-op (returns synchronously) if sessions are not configured on the
* manifest, avoiding promise allocation on the hot path.
*/
export function provideSession(state) {
	markFeatureUsed(state.manifest, FetchFeatures.sessions);
	const config = state.manifest.sessionConfig;
	if (!config) return;
	return provideSessionAsync(state, config);
}
async function provideSessionAsync(state, config) {
	const driverFactory = await getSessionDriver(state.manifest);
	if (!driverFactory) return;
	state.provide(SESSION_KEY, {
		create() {
			const cookies = state.cookies;
			return new AstroSession({
				cookies,
				config,
				runtimeMode: getEnvironment(state.manifest).runtimeMode,
				driverFactory,
				mockStorage: null,
				logger: state.logger
			});
		},
		finalize(session) {
			return session[PERSIST_SYMBOL]();
		}
	});
}