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// @flow
import type { Modifier } from '../types';
export default function mergeByName(
modifiers: Array<$Shape<Modifier<any, any>>>
): Array<$Shape<Modifier<any, any>>> {
const merged = modifiers.reduce((merged, current) => {
const existing = merged[current.name];
merged[current.name] = existing
? {
...existing,
...current,
options: { ...existing.options, ...current.options },
data: { ...existing.data, ...current.data },
}
: current;
return merged;
}, {});
// IE11 does not support Object.values
return Object.keys(merged).map(key => merged[key]);
}
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