42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = until;
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var _whilst = require('./whilst');
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var _whilst2 = _interopRequireDefault(_whilst);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* Repeatedly call `fn` until `test` returns `true`. Calls `callback` when
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* stopped, or an error occurs. `callback` will be passed an error and any
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* arguments passed to the final `fn`'s callback.
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*
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* The inverse of [whilst]{@link module:ControlFlow.whilst}.
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*
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* @name until
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* @static
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* @memberOf module:ControlFlow
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* @method
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* @see [async.whilst]{@link module:ControlFlow.whilst}
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* @category Control Flow
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* @param {Function} test - synchronous truth test to perform before each
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* execution of `fn`. Invoked with ().
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* @param {Function} fn - A function which is called each time `test` fails.
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* The function is passed a `callback(err)`, which must be called once it has
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* completed with an optional `err` argument. Invoked with (callback).
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* @param {Function} [callback] - A callback which is called after the test
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* function has passed and repeated execution of `fn` has stopped. `callback`
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* will be passed an error and any arguments passed to the final `fn`'s
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* callback. Invoked with (err, [results]);
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*/
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function until(test, fn, callback) {
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(0, _whilst2.default)(function () {
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return !test.apply(this, arguments);
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}, fn, callback);
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}
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module.exports = exports['default'];
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