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Deep-Merge JavaScript objects with ES6
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// Merge a `source` object to a `target` recursively | |
const merge = (target, source) => { | |
// Iterate through `source` properties and if an `Object` set property to merge of `target` and `source` properties | |
for (const key of Object.keys(source)) { | |
if (source[key] instanceof Object) Object.assign(source[key], merge(target[key], source[key])) | |
} | |
// Join `target` and modified `source` | |
Object.assign(target || {}, source) | |
return target | |
} |
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const merge=(t,s)=>{const o=Object,a=o.assign;for(const k of o.keys(s))s[k]instanceof o&&a(s[k],merge(t[k],s[k]));return a(t||{},s),t} |
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