kind-of

Get the native type of a value.

v6.0.3 URL: https://unpkg.com/kind-of@6.0.3/index.js

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arguments array boolean check date function is is-type is-type-of kind kind-of number object of regexp string test type type-of typeof types

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

function-bind

Implementation of Function.prototype.bind

v1.1.2 URL: https://unpkg.com/function-bind@1.1.2/index.js

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function bind shim es5

callsites

Get callsites from the V8 stack trace API

v4.2.0 URL: https://unpkg.com/callsites@4.2.0/index.js

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stacktrace v8 callsite callsites stack trace function file line debug

reusify

Reuse objects and functions with style

v1.1.0 URL: https://unpkg.com/reusify@1.1.0/reusify.js

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reuse object performance function fast