deep-equal

node's assert.deepEqual algorithm

v2.2.3 URL: https://unpkg.com/deep-equal@2.2.3/index.js

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equality equal compare

fast-deep-equal

Fast deep equal

v3.1.3 URL: https://unpkg.com/fast-deep-equal@3.1.3/index.js

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fast equal deep-equal

unist-util-is

unist utility to check if a node passes a test

v6.0.0 URL: https://unpkg.com/unist-util-is@6.0.0/index.js

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unist unist-util util utility tree node is equal check test type

deep-is

node's assert.deepEqual algorithm except for NaN being equal to NaN

v0.1.4 URL: https://unpkg.com/deep-is@0.1.4/index.js

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react-fast-compare

Fastest deep equal comparison for React. Great for React.memo & shouldComponentUpdate. Also really fast general-purpose deep comparison.

v3.2.2 URL: https://unpkg.com/react-fast-compare@3.2.2/index.js

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fast equal react compare shouldComponentUpdate deep-equal