assert + matchers <3

power + assert-match >:3

Rich matchers inspired by Hamcrest. Useful for generating helpful assertion failure messages in tests.

Type check values

Matching assertion function simiar to `tap.match`

Detect native Uint8Array support.

Detect native Float64Array support.

Detect native Symbol.toStringTag support.

Detect native Uint16Array support.

Test if a double-precision floating-point numeric value is NaN.

Detect native Float32Array support.

Test if a value is an array.

minimalistic-assert ===

Return a function which tests if every element in an array passes a test condition.

Check if an environment is big endian.

Check if an environment is little endian.

Detect native Uint32Array support.

Test if a value is a regular expression.

Test if a value is object-like.

Test if a value is a Uint8Array.