Function updateProject

packages/update/src/update.ts:108–320

(dir: string)

}

export async function updateProject(dir: string) {
  // Detect if the project is already on Fresh 2 by checking imports
  const isFresh2 = await detectFresh2(dir);

  if (isFresh2) {
    // deno-lint-ignore no-console
    console.log(colors.blue(`🔄 Updating Fresh to ${FRESH_VERSION}...`));
  } else {
    // deno-lint-ignore no-console
    console.log(colors.blue("🚀 Starting Fresh 1 to Fresh 2 migration..."));
    // deno-lint-ignore no-console
    console.log(
      colors.italic(
        "Note: Breaking changes may require additional manual updates.",
      ),
    );
    // deno-lint-ignore no-console
    console.log();
  }

  // deno-lint-ignore no-console
  console.log(colors.yellow("📝 Updating configuration files..."));

  // Update config
  await updateDenoJson(dir, (config) => {
    if (config.imports !== null && typeof config.imports !== "object") {
      config.imports = {};
    }

    config.imports["fresh"] = `jsr:@fresh/core@^${FRESH_VERSION}`;
    config.imports["preact"] = `npm:preact@^${PREACT_VERSION}`;
    config.imports["@preact/signals"] =
      `npm:@preact/signals@^${PREACT_SIGNALS_VERSION}`;
    delete config.imports["$fresh/"];
    delete config.imports["@preact/signals-core"];
    delete config.imports["preact-render-to-string"];

    // We should always use a lockfile going forwards
    if ("lock" in config) {
      delete config.lock;
    }

    // Update Fresh 1.x tasks
    const tasks = config.tasks;
    if (tasks !== undefined) {
      if (tasks.manifest === "deno task cli manifest $(pwd)") {
        delete tasks.manifest;
      }

      if (
        tasks.cli ===
          "echo \"import '\\$fresh/src/dev/cli.ts'\" | deno run --unstable -A -" ||
        tasks.cli ===
          "echo \"import '$fresh/src/dev/cli.ts'\" | deno run --unstable -A -"
      ) {
        delete tasks.cli;
      }