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Get unique properties from JSON object
// Turn const ARRAY = [{type: "FOO", content: "Test 0"}, {type: "BAR", content: "Test 1"}, {type: "FOO", content: "Test 2"}]
// Into ["FOO", "BAR"]
// Using getUniqueProperties(ARRAY, 'type')
getUniqueProperties = (array, property)=>{
return [...new Set(array.map(elem => elem[property]))]
}
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