28 lines
959 B
JavaScript
28 lines
959 B
JavaScript
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export function isObjectNotArray(obj) {
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return typeof obj === 'object' && obj != null && !Array.isArray(obj);
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}
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export function deepMerge(first = {}, second = {}) {
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const keys = new Set([...Object.keys(first), ...Object.keys(second)]);
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return Object.fromEntries([...keys].map(key => {
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const firstHasKey = key in first;
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const secondHasKey = key in second;
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const firstValue = first[key];
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const secondValue = second[key];
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let value;
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if (firstHasKey && secondHasKey) {
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value =
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isObjectNotArray(firstValue) && isObjectNotArray(secondValue)
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? deepMerge(firstValue, secondValue)
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:
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secondValue;
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}
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else if (firstHasKey) {
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value = firstValue;
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}
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else {
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value = secondValue;
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}
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return [key, value];
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}));
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}
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//# sourceMappingURL=deep-merge.js.map
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