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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/bluebird/js/release/race.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/bluebird/js/release/race.js')
| -rw-r--r-- | node_modules/bluebird/js/release/race.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/node_modules/bluebird/js/release/race.js b/node_modules/bluebird/js/release/race.js new file mode 100644 index 00000000..b862f46d --- /dev/null +++ b/node_modules/bluebird/js/release/race.js @@ -0,0 +1,49 @@ +"use strict"; +module.exports = function( + Promise, INTERNAL, tryConvertToPromise, apiRejection) { +var util = require("./util"); + +var raceLater = function (promise) { + return promise.then(function(array) { + return race(array, promise); + }); +}; + +function race(promises, parent) { + var maybePromise = tryConvertToPromise(promises); + + if (maybePromise instanceof Promise) { + return raceLater(maybePromise); + } else { + promises = util.asArray(promises); + if (promises === null) + return apiRejection("expecting an array or an iterable object but got " + util.classString(promises)); + } + + var ret = new Promise(INTERNAL); + if (parent !== undefined) { + ret._propagateFrom(parent, 3); + } + var fulfill = ret._fulfill; + var reject = ret._reject; + for (var i = 0, len = promises.length; i < len; ++i) { + var val = promises[i]; + + if (val === undefined && !(i in promises)) { + continue; + } + + Promise.cast(val)._then(fulfill, reject, undefined, ret, null); + } + return ret; +} + +Promise.race = function (promises) { + return race(promises, undefined); +}; + +Promise.prototype.race = function () { + return race(this, undefined); +}; + +}; |
