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DoctorDerek/One-Liner to Use Set with an Array of Objects Unique Objects.js

Created November 4, 2020 19:57
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Easy One-Liner to Use Set to Find Unique Objects within an Array of Objects by the Objects' Contents
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One-Liner to Use Set with an Array of Objects Unique Objects.js
const uniqueObjectsOneLiner = [
...new Set(objectsArray.map((o) => JSON.stringify(o))),
].map((string) => JSON.parse(string))
console.log(`${uniqueObjectsOneLiner.length} objects`)
// Output: 2 objects
console.log(...uniqueObjectsOneLiner)
// [ { id: 1, emoji: "🎸" }, { id: 2, emoji: "🎷" } ]
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