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import type { AstroAdapter, AstroIntegration } from 'astro';
import esbuild from 'esbuild';
import * as fs from 'fs';
import * as npath from 'path';
import { fileURLToPath } from 'url';
interface Options {
port?: number;
hostname?: string;
}
const SHIM = `globalThis.process = {
argv: [],
env: Deno.env.toObject(),
};`;
export function getAdapter(args?: Options): AstroAdapter {
return {
name: '@astrojs/deno',
serverEntrypoint: '@astrojs/deno/server.js',
args: args ?? {},
exports: ['stop', 'handle', 'start', 'running'],
};
}
export default function createIntegration(args?: Options): AstroIntegration {
let _buildConfig: any;
let _vite: any;
return {
name: '@astrojs/deno',
hooks: {
'astro:config:done': ({ setAdapter }) => {
setAdapter(getAdapter(args));
},
'astro:build:start': ({ buildConfig }) => {
_buildConfig = buildConfig;
},
'astro:build:setup': ({ vite, target }) => {
if (target === 'server') {
_vite = vite;
vite.resolve = vite.resolve || {};
vite.resolve.alias = vite.resolve.alias || {};
const aliases = [{ find: 'react-dom/server', replacement: 'react-dom/server.browser' }];
if (Array.isArray(vite.resolve.alias)) {
vite.resolve.alias = [...vite.resolve.alias, ...aliases];
} else {
for (const alias of aliases) {
(vite.resolve.alias as Record<string, string>)[alias.find] = alias.replacement;
}
}
vite.ssr = {
noExternal: true,
};
}
},
'astro:build:done': async () => {
const entryUrl = new URL(_buildConfig.serverEntry, _buildConfig.server);
const pth = fileURLToPath(entryUrl);
await esbuild.build({
target: 'es2020',
platform: 'browser',
entryPoints: [pth],
outfile: pth,
allowOverwrite: true,
format: 'esm',
bundle: true,
external: ['@astrojs/markdown-remark'],
banner: {
js: SHIM,
},
});
// Remove chunks, if they exist. Since we have bundled via esbuild these chunks are trash.
try {
const chunkFileNames =
_vite?.build?.rollupOptions?.output?.chunkFileNames ?? 'chunks/chunk.[hash].mjs';
const chunkPath = npath.dirname(chunkFileNames);
const chunksDirUrl = new URL(chunkPath + '/', _buildConfig.server);
await fs.promises.rm(chunksDirUrl, { recursive: true, force: true });
} catch {}
},
},
};
}
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