Function assertString

packages/core/src/util/assert.ts:33–37

(actual: any, msg: string)

}

export function assertString(actual: any, msg: string): asserts actual is string {
  if (!(typeof actual === 'string')) {
    throwError(msg, actual === null ? 'null' : typeof actual, 'string', '===');
  }
}

export function assertFunction(actual: any, msg: string): asserts actual is Function {
  if (!(typeof actual === 'function')) {