m4
91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
// Assemble a self-contained server into dist/ from the Next standalone output.
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// `next build` with output:"standalone" produces:
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// .next/standalone/ (server.js + traced node_modules + .next/server)
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// .next/static/ (NOT inside standalone — must be copied)
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// We copy everything into dist/ so the published package ships one folder that
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// `node dist/server.js` can run.
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import { cp, mkdir, readdir, rm, writeFile } from "fs/promises";
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import { existsSync } from "fs";
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const STANDALONE = ".next/standalone";
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const STATIC = ".next/static";
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const PUBLIC = "public";
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const OUT = "dist";
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if (!existsSync(STANDALONE)) {
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console.error(
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`✗ ${STANDALONE} not found. Did "next build" run with output:"standalone"?`
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);
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process.exit(1);
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}
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await rm(OUT, { recursive: true, force: true });
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await cp(STANDALONE, OUT, { recursive: true });
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await cp(STATIC, `${OUT}/.next/static`, { recursive: true });
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if (existsSync(PUBLIC)) {
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await cp(PUBLIC, `${OUT}/public`, { recursive: true });
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}
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// Turbopack represents serverExternalPackages with generated package aliases
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// under .next/node_modules. The standalone tree uses absolute symlinks for
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// those aliases, which npm omits from tarballs. Replace better-sqlite3 aliases
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// with portable shims and let npm install the real native dependency for the
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// target platform from the package root.
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const NEXT_NODE_MODULES = `${OUT}/.next/node_modules`;
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if (existsSync(NEXT_NODE_MODULES)) {
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for (const entry of await readdir(NEXT_NODE_MODULES)) {
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if (!entry.startsWith("better-sqlite3-")) continue;
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const alias = `${NEXT_NODE_MODULES}/${entry}`;
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await rm(alias, { recursive: true, force: true });
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await mkdir(alias, { recursive: true });
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await writeFile(
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`${alias}/package.json`,
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`${JSON.stringify(
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{ name: entry, private: true, main: "index.js" },
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null,
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2
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)}\n`
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);
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await writeFile(
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`${alias}/index.js`,
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'module.exports = require("better-sqlite3");\n'
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);
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}
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}
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await rm(`${OUT}/node_modules/better-sqlite3`, {
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recursive: true,
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force: true,
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});
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// Next copies the whole project root into the standalone bundle. Prune it down
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// to just the runtime essentials (drops src/, configs, and local notes so
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// they never get published).
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const KEEP = new Set([
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"server.js",
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".next",
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"node_modules",
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"package.json",
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"public",
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]);
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for (const entry of await readdir(OUT)) {
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if (!KEEP.has(entry)) {
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await rm(`${OUT}/${entry}`, { recursive: true, force: true });
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}
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}
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// Strip source maps (*.map): debug-only artifacts the published runtime never
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// needs. Removing them keeps the package lean and avoids shipping a stack-trace
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// → source mapping. Safe to delete — source maps are never required at runtime.
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let strippedMaps = 0;
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for (const entry of await readdir(OUT, { recursive: true })) {
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if (entry.endsWith(".map")) {
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await rm(`${OUT}/${entry}`, { force: true });
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strippedMaps++;
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}
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}
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console.log(
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`✓ Assembled standalone server into ${OUT}/ ` +
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`(${strippedMaps} source map(s) stripped; run: node ${OUT}/server.js)`
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);
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