Function JestExtend

packages/expect/src/jest-extend.ts:218–226

(chai, utils)

}

export const JestExtend: ChaiPlugin = (chai, utils) => {
  utils.addMethod(
    chai.expect,
    'extend',
    (expect: ExpectStatic, expects: MatchersObject) => {
      use(JestExtendPlugin(chai, expect, expects))
    },
  )
}