All primitives types as string.
{% code title="primitives.type.ts" %}
type Primitives =
| 'bigint'
| 'boolean'
| 'null'
| 'number'
| 'string'
| 'symbol'
| 'undefined';{% endcode %}
{% embed url="https://github.com/angular-package/type/blob/main/src/type/primitives.type.ts" %}