is-generator-fn

Check if something is a generator function

v3.0.0 URL: https://unpkg.com/is-generator-fn@3.0.0/index.js

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generator function func fn is check detect yield type

onetime

Ensure a function is only called once

v7.0.0 URL: https://unpkg.com/onetime@7.0.0/index.js

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once function one onetime func fn single call called prevent

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

mimic-function

Make a function mimic another one

v5.0.1 URL: https://unpkg.com/mimic-function@5.0.1/index.js

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function mimic imitate rename copy inherit properties name func fn set infer change

function-timeout

Make a synchronous function have a timeout

v1.0.2 URL: https://unpkg.com/function-timeout@1.0.2/browser.js

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function synchronous timeout time out cancel expire abort regex regexp redos security func fn script execute halt termination