24 lines
606 B
JavaScript
24 lines
606 B
JavaScript
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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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* Deep merges theme objects.
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*/
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export default function merge(target, ...sources) {
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if (!sources.length) return target;
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const source = sources.shift();
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if (isObject(target) && isObject(source)) {
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for (const key in source) {
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if (isObject(source[key])) {
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if (!target[key]) Object.assign(target, { [key]: {} });
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merge(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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}
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}
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return merge(target, ...sources);
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}
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