HORIZON PROJECT

'use strict';

Object.defineProperty(exports, "__esModule", {

    value: true

});

exports.default = until;

var _whilst = require('./whilst');

var _whilst2 = _interopRequireDefault(_whilst);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**

 * Repeatedly call `fn` until `test` returns `true`. Calls `callback` when

 * stopped, or an error occurs. `callback` will be passed an error and any

 * arguments passed to the final `fn`'s callback.

 *

 * The inverse of [whilst]{@link module:ControlFlow.whilst}.

 *

 * @name until

 * @static

 * @memberOf module:ControlFlow

 * @method

 * @see [async.whilst]{@link module:ControlFlow.whilst}

 * @category Control Flow

 * @param {Function} test - synchronous truth test to perform before each

 * execution of `fn`. Invoked with ().

 * @param {Function} fn - A function which is called each time `test` fails.

 * The function is passed a `callback(err)`, which must be called once it has

 * completed with an optional `err` argument. Invoked with (callback).

 * @param {Function} [callback] - A callback which is called after the test

 * function has passed and repeated execution of `fn` has stopped. `callback`

 * will be passed an error and any arguments passed to the final `fn`'s

 * callback. Invoked with (err, [results]);

 */

function until(test, fn, callback) {

    (0, _whilst2.default)(function () {

        return !test.apply(this, arguments);

    }, fn, callback);

}

module.exports = exports['default'];