Assertio is a tiny assertion library, similar to Node's built-in assert. It makes testing much easier by giving you lots of assertions you can run against your code.
npm install assertioassert(value: boolean, msg?)assertValue(value, predicate, msg?)assertFn(value: () => boolean, msg?)ensureArray(value, msg?)ensureObject(value, msg?)ensureString(value, msg?)ensureNumber(value, msg?)ensureBoolean(value, msg?)ensureNonVoid(value, msg?)ensureNonNull(value, msg?)ensureNonNullable(value, msg?)nonVoid(value, msg?)nonNull(value, msg?)nonNullable(value, msg?)never(msg?)neverValue(value, msg?)castValue(value)cast(value)as(value)maybe(value)tsconfig.json
````
{
"compilerOptions": {
// ...
"plugins": [
{ "transform": "assertio/transform" },
]
}
}