virtual-module.ts — astro Source File

Source Code

import type { Plugin } from 'vite';
import { AstroError, AstroErrorData } from '../core/errors/index.js';
import { SERIALIZED_MANIFEST_ID } from './serialized.js';
import { ASTRO_VITE_ENVIRONMENT_NAMES } from '../core/constants.js';

const VIRTUAL_SERVER_ID = 'astro:config/server';
const RESOLVED_VIRTUAL_SERVER_ID = '\0' + VIRTUAL_SERVER_ID;
const VIRTUAL_CLIENT_ID = 'astro:config/client';
const RESOLVED_VIRTUAL_CLIENT_ID = '\0' + VIRTUAL_CLIENT_ID;

export default function virtualModulePlugin(): Plugin {
	return {
		name: 'astro-manifest-plugin',
		resolveId: {
			filter: {
				id: new RegExp(`^(${VIRTUAL_SERVER_ID}|${VIRTUAL_CLIENT_ID})$`),
			},
			handler(id) {
				if (id === VIRTUAL_SERVER_ID) {
					return RESOLVED_VIRTUAL_SERVER_ID;
				}
				if (id === VIRTUAL_CLIENT_ID) {
					return RESOLVED_VIRTUAL_CLIENT_ID;
				}
			},
		},
		load: {
			filter: {
				id: new RegExp(`^(${RESOLVED_VIRTUAL_SERVER_ID}|${RESOLVED_VIRTUAL_CLIENT_ID})$`),
			},
			handler(id) {
				if (id === RESOLVED_VIRTUAL_CLIENT_ID) {
					// There's nothing wrong about using `/client` on the server
					const code = `
import { manifest } from '${SERIALIZED_MANIFEST_ID}'
import { fromRoutingStrategy } from 'astro/app';

let i18n = undefined;
if (manifest.i18n) {
i18n = {
  defaultLocale: manifest.i18n.defaultLocale,
  locales: manifest.i18n.locales,
  routing: fromRoutingStrategy(manifest.i18n.strategy, manifest.i18n.fallbackType),
  fallback: manifest.i18n.fallback
  };
}

const base = manifest.base;
const trailingSlash = manifest.trailingSlash;
const site = manifest.site;
const compressHTML = manifest.compressHTML;
const build = {
  format: manifest.buildFormat,
};

export { base, i18n, trailingSlash, site, compressHTML, build };
				`;
					return { code };
				}
				if (id == RESOLVED_VIRTUAL_SERVER_ID) {
					if (this.environment.name === ASTRO_VITE_ENVIRONMENT_NAMES.client) {
						throw new AstroError({
							...AstroErrorData.ServerOnlyModule,
							message: AstroErrorData.ServerOnlyModule.message(VIRTUAL_SERVER_ID),
						});
					}
					const code = `
import { manifest } from '${SERIALIZED_MANIFEST_ID}'
import { fromRoutingStrategy } from "astro/app";

let i18n = undefined;
if (manifest.i18n) {
 i18n = {
   defaultLocale: manifest.i18n.defaultLocale,
   locales: manifest.i18n.locales,
   routing: fromRoutingStrategy(manifest.i18n.strategy, manifest.i18n.fallbackType),
   fallback: manifest.i18n.fallback,
   domains: manifest.i18n.domains,
 };
}

const base = manifest.base;
const build = {
  server: new URL(manifest.buildServerDir),
  client: new URL(manifest.buildClientDir),
  format: manifest.buildFormat,
};

const cacheDir = new URL(manifest.cacheDir);
const outDir = new URL(manifest.outDir);
const publicDir = new URL(manifest.publicDir);
const srcDir = new URL(manifest.srcDir);
const root = new URL(manifest.rootDir);
const trailingSlash = manifest.trailingSlash;
const site = manifest.site;
const compressHTML = manifest.compressHTML;

export {
 base,
 build,
 cacheDir,
 outDir,
 publicDir,
 srcDir,
 root,
 trailingSlash,
 site,
 compressHTML,
 i18n,
}; 

				`;
					return { code };
				}
			},
		},
	};
}