import assert from 'assert';
import {
  any,
  anyArray,
  anyNumber,
  anyString,
  anyObject,
  match,
  matchString,
  partialObject,
} from 'beater-matcher';

const value = {
  a: 123,
  b: 'abc',
  c: [1, 2, 3],
  d: { a: 1, b: 2, c: 3 }
};

// (basic matchers)
// value as matcher
assert(match(value, value));

// (pre-defined matchers)
// any matcher
assert(match(value, any()));

// anyXXX matcher
assert(match(
  value,
  {
    a: anyNumber(),
    b: anyString(),
    c: anyArray(),
    d: anyObject()
  }
));

// partialObject and matchString matcher
assert(match(value, partialObject({ b: matchString(/^ab/) })));

// (custom matcher)
const abcMatcher = defineMatcher(
  (value: unknown): boolean => {
    return typeof value === 'string' && value.startsWith('ABC');
  }
);
assert(match('ABCDEF', abcMatcher));