how to use top level async await with typescript?

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Follow these steps:

  • Add "type": "module" to your package.json.
  • Replace "main": "index.js" with "exports": "./index.js" in your package.json.
  • Update the "engines" field in package.json to Node.js 12: "node": "^12.20.0 || ^14.13.1 || >=16.0.0".
  • Add "module": "ES2020" to your tsconfig.json.
  • Use only full relative file paths for imports: import x from '.'; → import x from './index.js';.
  • Remove namespace usage and use export instead.
  • Optional but recommended, use the node: protocol for imports.
  • You must use a .js extension in relative imports even though you’re importing .ts files.

if you use ts-node
use it like:

node --loader ts-node/esm ./entrypoint.ts

Edit:
source gist

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