params-and-props.ts — astro Source File

Source Code

import type { ComponentInstance } from '../../types/astro.js';
import type { Params, Props } from '../../types/public/common.js';
import type { AstroConfig } from '../../types/public/index.js';
import type { RouteData } from '../../types/public/internal.js';
import { DEFAULT_404_COMPONENT } from '../constants.js';
import { AstroError, AstroErrorData } from '../errors/index.js';
import type { Logger } from '../logger/core.js';
import { routeIsFallback, routeIsRedirect } from '../routing/helpers.js';
import type { RouteCache } from './route-cache.js';
import { callGetStaticPaths, findPathItemByKey } from './route-cache.js';

interface GetParamsAndPropsOptions {
	mod: ComponentInstance | undefined;
	routeData?: RouteData | undefined;
	routeCache: RouteCache;
	pathname: string;
	logger: Logger;
	serverLike: boolean;
	base: string;
	trailingSlash: AstroConfig['trailingSlash'];
}

export async function getProps(opts: GetParamsAndPropsOptions): Promise<Props> {
	const {
		logger,
		mod,
		routeData: route,
		routeCache,
		pathname,
		serverLike,
		base,
		trailingSlash,
	} = opts;

	// If there's no route, or if there's a pathname (e.g. a static `src/pages/normal.astro` file),
	// then we know for sure they don't have params and props, return a fallback value.
	if (!route || route.pathname) {
		return {};
	}

	if (
		routeIsRedirect(route) ||
		routeIsFallback(route) ||
		route.component === DEFAULT_404_COMPONENT
	) {
		return {};
	}

	// During build, the route cache should already be populated.
	// During development, the route cache is filled on-demand and may be empty.
	const staticPaths = await callGetStaticPaths({
		mod,
		route,
		routeCache,
		ssr: serverLike,
		base,
		trailingSlash,
	});

	// The pathname used here comes from the server, which already encoded.
// ... (80 more lines)