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/** |
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* Simple object check. |
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* |
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* @param item |
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* @return {boolean} |
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*/ |
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function isObject(item) { |
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return item && typeof item === 'object' && !Array.isArray(item); |
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} |
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|
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/** |
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* Deep merge two objects. |
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* |
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* @link https://stackoverflow.com/a/34749873 |
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* |
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* @param {...any} sources |
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* @param target |
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* @param ...sources |
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*/ |
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export default function mergeDeep(target, ...sources) { |
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if (!sources.length) { |
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return target; |
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} |
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const source = sources.shift(); |
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|
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if (isObject(target) && isObject(source)) { |
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Object.keys(source).forEach((key) => { |
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if (isObject(source[key])) { |
| 29 |
if (!target[key]) { |
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Object.assign(target, { [key]: {} }); |
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} |
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mergeDeep(target[key], source[key]); |
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} else { |
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Object.assign(target, { [key]: source[key] }); |
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} |
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}); |
| 37 |
} |
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|
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return mergeDeep(target, ...sources); |
| 40 |
} |
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|
