@lightningjs/sdk/src/Accessibility/shaders/index.js

The Lightning-SDK helps you build great Lightning-based TV apps!

/*
 * If not stated otherwise in this file or this component's LICENSE file the
 * following copyright and licenses apply:
 *
 * Copyright 2020 Metrological
 *
 * Licensed under the Apache License, Version 2.0 (the License);
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import Protanopia from './ProtanopiaShader'
import Deuteranopia from './DeuteranopiaShader'
import Tritanopia from './TritanopiaShader'
import Normal from './NormalShader'
import Monochromacy from './MonochromacyShader'

export const colorshiftShader = type => {
  const shadersMap = {
    normal: Normal,
    monochromacy: Monochromacy,
    deuteranopia: Deuteranopia,
    tritanopia: Tritanopia,
    protanopia: Protanopia,
  }

  type = (typeof type === 'string' && type.toLowerCase()) || null

  return Object.keys(shadersMap).indexOf(type) > -1 ? shadersMap[type] : false
}