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上传时间: 2019-07-19
详细说明: node-promise 在 Node.js 平台上提供了完整的 Promises 的实现。 The node-promise module features a promise implementation with: Chainable promises Promises throw errors if an error handler is not provided CommonJS promise proposal [1] compliant Immutable once fulfilled to reduce possible side-effects Promises can be used securely (as se parate resolver/promise pairs in ocap situations) Backwards compatibility where possible (addCallback, addErrback, emitSuccess, and emitError should still behave as expected) Utility functions, including: when() - Normalization of sync (normal values) and async (promises) all() - Create a promise that accumulate multiple concurrent promises first() - Find the first promise to be fulfilled in a group of promises seq() - Sequentially execute a set of promise returning functions delay() - Returns a promise that is fulfilled after a given amount of time execute() - Executes a function that takes a callback and returns a promise (thank you Benjamin Thomas for providing this) 示例代码: var Promise = require("promise").Promise; var promise = new Promise(); asyncOperation(function(){ Promise.resolve("succesful result"); }); promise -> given to the consumer 标签:nodepromise
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