You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

46 lines
1.7 KiB
JavaScript

6 years ago
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = doUntil;
var _doWhilst = require('./doWhilst');
var _doWhilst2 = _interopRequireDefault(_doWhilst);
var _wrapAsync = require('./internal/wrapAsync');
var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/**
* Like ['doWhilst']{@link module:ControlFlow.doWhilst}, except the `test` is inverted. Note the
* argument ordering differs from `until`.
*
* @name doUntil
* @static
* @memberOf module:ControlFlow
* @method
* @see [async.doWhilst]{@link module:ControlFlow.doWhilst}
* @category Control Flow
* @param {AsyncFunction} iteratee - An async function which is called each time
* `test` fails. Invoked with (callback).
* @param {AsyncFunction} test - asynchronous truth test to perform after each
* execution of `iteratee`. Invoked with (...args, callback), where `...args` are the
* non-error args from the previous callback of `iteratee`
* @param {Function} [callback] - A callback which is called after the test
* function has passed and repeated execution of `iteratee` has stopped. `callback`
* will be passed an error and any arguments passed to the final `iteratee`'s
* callback. Invoked with (err, [results]);
* @returns {Promise} a promise, if no callback is passed
*/
function doUntil(iteratee, test, callback) {
const _test = (0, _wrapAsync2.default)(test);
return (0, _doWhilst2.default)(iteratee, (...args) => {
const cb = args.pop();
_test(...args, (err, truth) => cb(err, !truth));
}, callback);
}
module.exports = exports['default'];