typescript-type-utils

Useful TypeScript types for usage across projects.

Included Types

test-kit

The test-kit types are utility types for ensuring the API signature of your code.

Type	Description
ExpectTrue<T>	fails the build if "T" is not true
ExpectFalse<T>	fails the build if "T" is not false
Equal<T1, T2>	equal to true if "T1" is identical to "T2"
NotEqual<T1, T2>	equal to true if "T1" is not identical to "T2"
VALID_ARGS<FUNC, ARGS_TUPPLE>	equal to true if "FUNC" can accept "ARGS_TUPPLE"

Example usage:

type normalStrings = ExpectTrue<EQUAL<string, string>>;

tuple-utils

Utility types for manipulating tuple types

Type	Description
TupleToUnion<T>	equal to a union of the items in the tuple
ReduceTupleOn<T, ID_FIELD, VALUE_FIELD>	reduces the tuple to an object

Contribution

• No actual code files are allowed, only .d.ts files.
• The types are separated according to usage context and can be found in the lib directory.
• All types must be tested, see examples in the test directory.

License

MIT