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import _curry2 from './internal/_curry2';import _isFunction from './internal/_isFunction';import curryN from './curryN';import toString from './toString';

/** * Turns a named method with a specified arity into a function that can be * called directly supplied with arguments and a target object. * * The returned function is curried and accepts `arity + 1` parameters where * the final parameter is the target object. * * @func * @memberOf R * @since v0.1.0 * @category Function * @sig Number -> String -> (a -> b -> ... -> n -> Object -> *) * @param {Number} arity Number of arguments the returned function should take *        before the target object. * @param {String} method Name of the method to call. * @return {Function} A new curried function. * @see R.construct * @example * *      const sliceFrom = R.invoker(1, 'slice'); *      sliceFrom(6, 'abcdefghijklm'); //=> 'ghijklm' *      const sliceFrom6 = R.invoker(2, 'slice')(6); *      sliceFrom6(8, 'abcdefghijklm'); //=> 'gh' * @symb R.invoker(0, 'method')(o) = o['method']() * @symb R.invoker(1, 'method')(a, o) = o['method'](a) * @symb R.invoker(2, 'method')(a, b, o) = o['method'](a, b) */var invoker = _curry2(function invoker(arity, method) {  return curryN(arity + 1, function() {    var target = arguments[arity];    if (target != null && _isFunction(target[method])) {      return target[method].apply(target, Array.prototype.slice.call(arguments, 0, arity));    }    throw new TypeError(toString(target) + ' does not have a method named "' + method + '"');  });});export default invoker;