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 |
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7 | exports.default = function () /*...values*/{
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8 | var values = (0, _slice2.default)(arguments);
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9 | var args = [null].concat(values);
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10 | return function () /*...ignoredArgs, callback*/{
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11 | var callback = arguments[arguments.length - 1];
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12 | return callback.apply(this, args);
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13 | };
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14 | };
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15 |
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16 | var _slice = require('./internal/slice');
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17 |
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18 | var _slice2 = _interopRequireDefault(_slice);
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19 |
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20 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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21 |
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22 | ;
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23 |
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24 | /**
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25 | * Returns a function that when called, calls-back with the values provided.
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26 | * Useful as the first function in a [`waterfall`]{@link module:ControlFlow.waterfall}, or for plugging values in to
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27 | * [`auto`]{@link module:ControlFlow.auto}.
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28 | *
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29 | * @name constant
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30 | * @static
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31 | * @memberOf module:Utils
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32 | * @method
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33 | * @category Util
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34 | * @param {...*} arguments... - Any number of arguments to automatically invoke
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35 | * callback with.
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36 | * @returns {AsyncFunction} Returns a function that when invoked, automatically
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37 | * invokes the callback with the previous given arguments.
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38 | * @example
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39 | *
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40 | * async.waterfall([
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41 | * async.constant(42),
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42 | * function (value, next) {
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43 | * // value === 42
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44 | * },
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45 | * //...
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46 | * ], callback);
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47 | *
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48 | * async.waterfall([
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49 | * async.constant(filename, "utf8"),
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50 | * fs.readFile,
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51 | * function (fileData, next) {
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52 | * //...
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53 | * }
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54 | * //...
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55 | * ], callback);
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56 | *
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57 | * async.auto({
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58 | * hostname: async.constant("https://server.net/"),
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59 | * port: findFreePort,
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60 | * launchServer: ["hostname", "port", function (options, cb) {
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61 | * startServer(options, cb);
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62 | * }],
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63 | * //...
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64 | * }, callback);
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65 | */
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66 | module.exports = exports['default']; |
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