fliphub-monorepo/packages/fliphub/src/core/configs/Core.js

the builder of builders

const {Presets, ChainedMap} = require('fliphub-core')
const log = require('fliplog')
const is = require('izz')

module.exports = class CoreConfig extends ChainedMap {

  /**
   * @param {Workflow} parent
   */
  constructor(parent) {
    super(parent)
    this.extend([
      'inherit',
      'from',
      'to',
      'defaults',
      'presetArgs',
      'defaults',
      'monorepo',
      'root',
    ])
    this.defaults(true)
  }

  /**
   * whether all apps should inherit by default
   * flipping from-to
   * @param {Object} config
   * @return {CoreConfig}
   */
  merge(config) {
    let {presets, inherit, from, to, defaults, presetArgs, root} = config
    const merge = {inherit, from, to, defaults, presetArgs, root}
    Object
    .keys(merge)
    .filter((key) => is.real(merge[key]))
    .forEach((key) => {
      const val = merge[key]
      switch (key) {
        default: {
          // log.tags('merge,flip,config').data({key, val}).echo()
          return this[key](val)
        }
      }
    })

    if (!presets) return this
    Presets.mergeFor({presets, presetArgs, context: this})
    return this
  }

  toConfig() {
    return this.entries()
  }
}