1 | ;
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = until;
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7 |
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8 | var _whilst = require('./whilst.js');
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9 |
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10 | var _whilst2 = _interopRequireDefault(_whilst);
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11 |
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12 | var _wrapAsync = require('./internal/wrapAsync.js');
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13 |
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14 | var _wrapAsync2 = _interopRequireDefault(_wrapAsync);
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15 |
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16 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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17 |
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18 | /**
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19 | * Repeatedly call `iteratee` until `test` returns `true`. Calls `callback` when
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20 | * stopped, or an error occurs. `callback` will be passed an error and any
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21 | * arguments passed to the final `iteratee`'s callback.
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22 | *
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23 | * The inverse of [whilst]{@link module:ControlFlow.whilst}.
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24 | *
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25 | * @name until
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26 | * @static
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27 | * @memberOf module:ControlFlow
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28 | * @method
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29 | * @see [async.whilst]{@link module:ControlFlow.whilst}
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30 | * @category Control Flow
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31 | * @param {AsyncFunction} test - asynchronous truth test to perform before each
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32 | * execution of `iteratee`. Invoked with (callback).
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33 | * @param {AsyncFunction} iteratee - An async function which is called each time
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34 | * `test` fails. Invoked with (callback).
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35 | * @param {Function} [callback] - A callback which is called after the test
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36 | * function has passed and repeated execution of `iteratee` has stopped. `callback`
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37 | * will be passed an error and any arguments passed to the final `iteratee`'s
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38 | * callback. Invoked with (err, [results]);
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39 | * @returns {Promise} a promise, if a callback is not passed
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40 | *
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41 | * @example
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42 | * const results = []
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43 | * let finished = false
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44 | * async.until(function test(cb) {
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45 | * cb(null, finished)
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46 | * }, function iter(next) {
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47 | * fetchPage(url, (err, body) => {
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48 | * if (err) return next(err)
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49 | * results = results.concat(body.objects)
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50 | * finished = !!body.next
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51 | * next(err)
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52 | * })
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53 | * }, function done (err) {
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54 | * // all pages have been fetched
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55 | * })
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56 | */
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57 | function until(test, iteratee, callback) {
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58 | const _test = (0, _wrapAsync2.default)(test);
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59 | return (0, _whilst2.default)(cb => _test((err, truth) => cb(err, !truth)), iteratee, callback);
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60 | }
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61 | module.exports = exports.default; |
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