Add bun-ecosystem for running tests on npm packages

1 files changed, 92 insertions, 0 deletions

diff --git a/packages/bun-ecosystem/src/runner.ts b/packages/bun-ecosystem/src/runner.ts
new file mode 100644
index 000000000..8b4e42aa7
--- /dev/null
+++ b/packages/bun-ecosystem/src/runner.ts
@@ -0,0 +1,92 @@
+import type { Package } from "./packages";
+import { packages } from "./packages";
+import { existsSync, copyFileSync } from "node:fs";
+import { dirname, join } from "node:path";
+import { globby } from "globby";
+
+for (const pkg of packages) {
+  try {
+    await loadPackage(pkg, "tmp");
+  } catch (error) {
+    console.error(pkg.name, error);
+  }
+}
+
+async function loadPackage(pkg: Package, cwd?: string): Promise<void> {
+  await gitClone({
+    cwd,
+    repository: pkg.repository,
+    name: pkg.name,
+  });
+  const dir = join(cwd ?? "", pkg.name, pkg.cwd ?? "");
+  await spawn({
+    cwd: dir,
+    cmd: ["bun", "install"],
+  });
+  if (!pkg.tests || pkg.tests.style !== "jest") {
+    return;
+  }
+  const files = await globby(pkg.tests.include, {
+    cwd: dir,
+    ignore: pkg.tests.exclude ?? [crypto.randomUUID()],
+    onlyFiles: true,
+    caseSensitiveMatch: false,
+  });
+  if (!files.length) {
+    throw new Error("No tests found");
+  }
+  for (const file of files) {
+    let path = file;
+    if (!file.includes(".test.")) {
+      const ext = path.lastIndexOf(".");
+      path = file.substring(0, ext) + ".test" + file.substring(ext);
+      copyFileSync(join(dir, file), join(dir, path));
+    }
+    await spawn({
+      cwd: dir,
+      cmd: ["bun", "wiptest", path],
+    });
+  }
+}
+
+type GitCloneOptions = {
+  repository: string;
+  cwd?: string;
+  name?: string;
+};
+
+async function gitClone(options: GitCloneOptions): Promise<void> {
+  const name = options.name ?? dirname(options.repository);
+  const cwd = options.cwd ?? process.cwd();
+  const path = join(cwd, name);
+  if (existsSync(path)) {
+    await spawn({
+      cwd: path,
+      cmd: ["git", "pull"],
+    });
+  } else {
+    const url = `${options.repository}`;
+    await spawn({
+      cwd,
+      cmd: ["git", "clone", "--single-branch", "--depth", "1", url, name],
+    });
+  }
+}
+
+type SpawnOptions = {
+  cwd: string;
+  cmd: string[];
+};
+
+async function spawn({ cwd, cmd }: SpawnOptions) {
+  const { exited } = await Bun.spawn({
+    cwd,
+    cmd,
+    stdout: "inherit",
+    stderr: "inherit",
+  });
+  const exitCode = await exited;
+  if (exitCode !== 0) {
+    throw new Error(`"${cmd.join(" ")}" exited with ${exitCode}`);
+  }
+}