GoScrobble/web/node_modules/@material-ui/utils/es/deepmerge.js

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2022-04-25 02:47:15 +00:00
import _extends from "@babel/runtime/helpers/esm/extends";
export function isPlainObject(item) {
return item && typeof item === 'object' && item.constructor === Object;
}
export default function deepmerge(target, source, options = {
clone: true
}) {
const output = options.clone ? _extends({}, target) : target;
if (isPlainObject(target) && isPlainObject(source)) {
Object.keys(source).forEach(key => {
// Avoid prototype pollution
if (key === '__proto__') {
return;
}
if (isPlainObject(source[key]) && key in target) {
output[key] = deepmerge(target[key], source[key], options);
} else {
output[key] = source[key];
}
});
}
return output;
}