AVA - Ts Node — ContextQMD

Assuming you are configuring AVA via your package.json, add one of the following configurations.

CommonJS

Use this configuration if your package.json does not have "type": "module".

json

{
  "ava": {
    "extensions": [
      "ts"
    ],
    "require": [
      "ts-node/register"
    ]
  }
}

Native ECMAScript modules

This configuration is necessary if your package.json has "type": "module".

json

{
  "ava": {
    "extensions": {
      "ts": "module"
    },
    "nonSemVerExperiments": {
      "configurableModuleFormat": true
    },
    "nodeArguments": [
      "--loader=ts-node/esm"
    ]
  }
}