conditional properties

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conditional spread 
let condition = true;
const obj = {
	...(condition && {dogs: 'woof'}), 
	...(!condition && {cats: 'meow'})
}
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ternary 
let condition = true;
const obj = condition ? {dogs: 'woof'} : {cats: 'meow'};
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if
let condition = true;
let obj = {cats: 'meow'};
if (condition) {
	obj = {dogs: 'woof'}
}
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