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import { lstat, mkdir, readdir, rm, symlink } from "fs/promises";
import { join, relative } from "path";
type PackageManifest = {
name?: string;
bin?: string | Record<string, string>;
};
async function isDirectory(path: string) {
try {
return (await lstat(path)).isDirectory();
} catch {
return false;
}
}
const bunRoot = join(process.cwd(), "node_modules/.bun");
for (const entry of (await readdir(bunRoot)).sort()) {
const modulesRoot = join(bunRoot, entry, "node_modules");
if (!(await isDirectory(modulesRoot))) continue;
const binRoot = join(modulesRoot, ".bin");
await rm(binRoot, { recursive: true, force: true });
await mkdir(binRoot, { recursive: true });
const packageDirs: string[] = [];
for (const name of (await readdir(modulesRoot)).sort()) {
if (name === ".bin" || name === ".bun") continue;
const dir = join(modulesRoot, name);
if (!(await isDirectory(dir))) continue;
if (name.startsWith("@")) {
for (const child of (await readdir(dir)).sort()) {
const scopedDir = join(dir, child);
if (await isDirectory(scopedDir)) packageDirs.push(scopedDir);
}
} else {
packageDirs.push(dir);
}
}
for (const packageDir of packageDirs.sort()) {
const manifestFile = Bun.file(join(packageDir, "package.json"));
if (!(await manifestFile.exists())) continue;
const manifest = (await manifestFile.json()) as PackageManifest;
if (!manifest.bin) continue;
const binaries =
typeof manifest.bin === "string"
? [[manifest.name ?? packageDir.split("/").pop(), manifest.bin]]
: Object.entries(manifest.bin).sort((a, b) => a[0].localeCompare(b[0]));
for (const [name, target] of binaries) {
if (!name || !target) continue;
const source = join(packageDir, target);
if (!(await Bun.file(source).exists())) continue;
const destination = join(binRoot, name.slice(name.lastIndexOf("/") + 1));
await rm(destination, { force: true });
await symlink(relative(binRoot, source) || ".", destination);
}
}
}
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