bluebird

Full featured Promises/A+ implementation with exceptionally good performance

v3.7.2 URL: https://unpkg.com/bluebird@3.7.2/js/release/bluebird.js

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promise performance promises promises-a promises-aplus async await deferred deferreds future flow control dsl fluent interface

import-lazy

Import a module lazily

v4.0.0 URL: https://unpkg.com/import-lazy@4.0.0/index.js

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import require load module modules lazy lazily defer deferred proxy proxies

when

A lightweight Promises/A+ and when() implementation, plus other async goodies.

v3.7.8 URL: https://unpkg.com/when@3.7.8/when.js

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cujo Promises/A+promises-aplus promise promises deferred deferreds when async asynchronous ender

deferred

Modular and fast Promises implementation

v0.7.11 URL: https://unpkg.com/deferred@0.7.11/index.js

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async asynchronous deferred flow future futures promise promises continuations

define-lazy-prop

Define a lazily evaluated property on an object

v3.0.0 URL: https://unpkg.com/define-lazy-prop@3.0.0/index.js

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lazy property properties prop define object value lazily laziness evaluation eval execute getter function fn memoize cache defer deferred