Method walkRules

lib/container.js:381–403

(selector, callback)

  }

  walkRules(selector, callback) {
    if (!callback) {
      callback = selector

      return this.walk((child, i) => {
        if (child.type === 'rule') {
          return callback(child, i)
        }
      })
    }
    if (selector instanceof RegExp) {
      return this.walk((child, i) => {
        if (child.type === 'rule' && selector.test(child.selector)) {
          return callback(child, i)
        }
      })
    }
    return this.walk((child, i) => {
      if (child.type === 'rule' && child.selector === selector) {
        return callback(child, i)
      }
    })
  }
}

Container.registerParse = dependant => {