@hudk/assert

assert

a simple assert library for params test

usage

npm install @hudk/assert

import { expect } from '@hudk/assert'
expect(obj).isNull()

api

expect

expect(obj).api()

1. equal(o)
2. isNull()
3. isUndefined()
4. isUndefinedOrNull()
5. isEmptyOrNull()
6. isZeroOrNull()
7. isEmptyOrZeroOrNull()
8. isStr() : is string or not
9. isNum()
10. isNaturalNum()
11. isPosInt() : is postive int or not
12. lengthShorterThan(length)
13. lengthLongerThan(length)
14. followReg(pattern) : user pattern for test, for example, expect(obj).followReg(/^\d+?$/) is equal to the expect(obj).isNaturalNum()