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const sample = [
[
[
[
[
[
{
foo: [{ rate: 2.18 }],
},
],
],
],
],
],
{
fieldCount: 0,
affectedRows: 0,
insertId: 0,
serverStatus: 0,
message: '',
protocol141: true,
changedRows: 0,
},
];
const search = (object, target, defaultValue) =>
Object.entries(object).reduce((stack, [key, value]) => {
switch (true) {
case key === target:
return value;
case !!Object.keys(value).length:
return search(value, target, stack);
default:
return stack;
}
}, defaultValue);
console.log(search(sample, 'rate')); // 2.18
console.log(search(sample, 'protocol141')); // true
console.log(search(sample, 'hueBR', 'LOL')); // 'LOL'
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