fliphub-monorepo/modules-sub/flip-webpack-chain/lib/Module.js

the builder of builders

'use strict';

const ChainedMap = require('./ChainedMap');
const Rule = require('./Rule');

module.exports = class extends ChainedMap {
  constructor(parent) {
    super(parent);
    this.rules = new ChainedMap(this);
  }

  rule(name) {
    if (!this.rules.has(name)) {
      this.rules.set(name, new Rule(this));
    }

    return this.rules.get(name);
  }

  toConfig() {
    return this.clean(Object.assign(this.entries() || {}, {
      rules: this.rules.values().map(r => r.toConfig())
    }));
  }

  merge(obj) {
    Object.keys(obj).forEach(key => {
      const value = obj[key];

      switch (key) {
        case 'rule':
          {
            return Object.keys(value).forEach(name => this.rule(name).merge(value[name]));
          }

        default:
          {
            this.set(key, value);
          }
      }
    });

    return this;
  }
};