setup-cpp/src/check-updates.ts

import { warning } from "ci-log"
import { promises } from "fs"
const { readFile } = promises
import { join } from "path"

// auto self update notifier
export async function checkUpdates() {
  try {
    const [un, packageJsonString] = await Promise.all([
      import("update-notifier"),
      readFile(join(__dirname, "..", "package.json"), "utf8"),
    ])

    const packageJson = JSON.parse(packageJsonString)

    // the types do not match the actual export
    const updateNotifier = un as unknown as (typeof un)["default"]

    updateNotifier({ pkg: packageJson }).notify()
  } catch (err) {
    warning(`Failed to check for updates: ${err instanceof Error ? err.message + err.stack : err}`)
  }
}