2021-01-30 05:51:03 +08:00
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import isPlainObject from './isPlainObject'
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2021-01-20 16:18:49 +08:00
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2021-04-21 15:43:31 +08:00
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export default function mergeDeep(target: Record<string, any>, source: Record<string, any>): Record<string, any> {
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2021-01-20 16:18:49 +08:00
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const output = { ...target }
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2021-01-30 05:51:03 +08:00
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if (isPlainObject(target) && isPlainObject(source)) {
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2021-01-20 16:18:49 +08:00
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Object.keys(source).forEach(key => {
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2021-01-30 05:51:03 +08:00
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if (isPlainObject(source[key])) {
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2021-01-20 16:18:49 +08:00
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if (!(key in target)) {
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Object.assign(output, { [key]: source[key] })
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} else {
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output[key] = mergeDeep(target[key], source[key])
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}
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} else {
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Object.assign(output, { [key]: source[key] })
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}
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})
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}
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return output
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}
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