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55 lines
2.9 KiB
55 lines
2.9 KiB
"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 = function (...args) { |
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return function (...ignoredArgs /*, callback*/) { |
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var callback = ignoredArgs.pop(); |
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return callback(null, ...args); |
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}; |
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}; |
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module.exports = exports["default"]; /** |
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* Returns a function that when called, calls-back with the values provided. |
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* Useful as the first function in a [`waterfall`]{@link module:ControlFlow.waterfall}, or for plugging values in to |
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* [`auto`]{@link module:ControlFlow.auto}. |
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* |
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* @name constant |
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* @static |
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* @memberOf module:Utils |
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* @method |
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* @category Util |
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* @param {...*} arguments... - Any number of arguments to automatically invoke |
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* callback with. |
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* @returns {AsyncFunction} Returns a function that when invoked, automatically |
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* invokes the callback with the previous given arguments. |
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* @example |
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* |
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* async.waterfall([ |
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* async.constant(42), |
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* function (value, next) { |
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* // value === 42 |
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* }, |
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* //... |
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* ], callback); |
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* |
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* async.waterfall([ |
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* async.constant(filename, "utf8"), |
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* fs.readFile, |
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* function (fileData, next) { |
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* //... |
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* } |
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* //... |
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* ], callback); |
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* |
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* async.auto({ |
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* hostname: async.constant("https://server.net/"), |
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* port: findFreePort, |
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* launchServer: ["hostname", "port", function (options, cb) { |
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* startServer(options, cb); |
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* }], |
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* //... |
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* }, callback); |
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*/ |