Lodash Merge
import merge from 'lodash/merge'
let object = { 'a': [{ 'b': 2 }, { 'd': 4 }]};
let other = { 'a': [{ 'c': 3 }, { 'e': 5 }]};
merge(object, other); // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
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