build: package modules cross-platform

scripts/archive-directory.cjs

@@ -0,0 +1,42 @@
+'use strict'
+
+const { ZipArchive } = require('archiver')
+const { createWriteStream } = require('fs')
+const { lstat, readlink, readdir } = require('fs/promises')
+const { join, relative, sep } = require('path')
+
+function archiveName(root, value) {
+  return relative(root, value).split(sep).join('/')
+}
+
+async function appendDirectory(archive, root, directory) {
+  for (const entry of await readdir(directory, { withFileTypes: true })) {
+    const absolute = join(directory, entry.name)
+    const name = archiveName(root, absolute)
+    const stats = await lstat(absolute)
+    if (stats.isSymbolicLink()) {
+      archive.symlink(name, await readlink(absolute), stats.mode)
+    } else if (stats.isDirectory()) {
+      archive.append('', { name: `${name}/` })
+      await appendDirectory(archive, root, absolute)
+    } else if (stats.isFile()) {
+      archive.file(absolute, { name, mode: stats.mode })
+    }
+  }
+}
+
+async function archiveDirectory(source, output) {
+  const destination = createWriteStream(output)
+  const archive = new ZipArchive({ zlib: { level: 9 } })
+  const completed = new Promise((resolve, reject) => {
+    destination.once('close', resolve)
+    destination.once('error', reject)
+    archive.once('error', reject)
+  })
+  archive.pipe(destination)
+  await appendDirectory(archive, source, source)
+  await archive.finalize()
+  await completed
+}
+
+module.exports = archiveDirectory