hg-sid/src/data-dirver/class-api/mixin.ts

a front-end simple framework with mvc

import DDClass from '../instance'
import { mergeOptions } from '../util/options'

export function initMixin(DD: typeof DDClass) {
  DD.mixin = function (mixin: any) {
    this.options = mergeOptions(this.options, mixin)
    return this
  }
}