dayjs/esm/plugin/updateLocale/index.d.ts

2KB immutable date time library alternative to Moment.js with the same modern API

import { PluginFunc } from 'dayjs/esm'

declare const plugin: PluginFunc
export = plugin

declare module 'dayjs/esm' {
  export function updateLocale(localeName: string, customConfig: Record<string, unknown>): Record<string, unknown>
}