yunbaolive/web/node/node_modules/async/until.js

'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'];