1 files changed, 61 insertions, 0 deletions
diff --git a/packages/turbo-workspaces/src/convert.ts b/packages/turbo-workspaces/src/convert.ts
new file mode 100644
index 0000000..9f481c1
--- /dev/null
+++ b/packages/turbo-workspaces/src/convert.ts
@@ -0,0 +1,61 @@
+import chalk from "chalk";
+import managers from "./managers";
+import { Project, Options, PackageManagerDetails } from "./types";
+import install from "./install";
+import { Logger } from "./logger";
+import { ConvertError } from "./errors";
+
+/*
+  * Convert a project using workspaces from one package manager to another.
+
+  Steps are run in the following order:
+  1. managerFrom.remove
+  2. managerTo.create
+  3. managerTo.convertLock
+  3. install
+  4. managerFrom.clean
+
+*/
+export async function convertProject({
+  project,
+  to,
+  logger,
+  options,
+}: {
+  project: Project;
+  to: PackageManagerDetails;
+  logger: Logger;
+  options?: Options;
+}) {
+  logger.header(
+    `Converting project from ${project.packageManager} to ${to.name}.`
+  );
+
+  if (project.packageManager == to.name) {
+    throw new ConvertError("You are already using this package manager", {
+      type: "package_manager-already_in_use",
+    });
+  }
+
+  // remove old workspace data
+  await managers[project.packageManager].remove({
+    project,
+    to,
+    logger,
+    options,
+  });
+
+  // create new workspace data
+  await managers[to.name].create({ project, to, logger, options });
+
+  logger.mainStep("Installing dependencies");
+  if (!options?.skipInstall) {
+    await managers[to.name].convertLock({ project, logger, options });
+    await install({ project, to, logger, options });
+  } else {
+    logger.subStep(chalk.yellow("Skipping install"));
+  }
+
+  logger.mainStep(`Cleaning up ${project.packageManager} workspaces`);
+  await managers[project.packageManager].clean({ project, logger });
+}