Class StyleNormalizer

src/StyleNormalizer/StyleNormalizer.js:11–45

 * specific to properties.
 */
export default class StyleNormalizer {
  constructor() {
    this.normalizers = {};
    this.createNormalizers('margin', [HORIZONTAL, VERTICAL, SIDES]);
    this.createNormalizers('padding', [HORIZONTAL, VERTICAL, SIDES]);
  }

  createNormalizers(prop, shorthands, suffix = '') {
    shorthands.forEach(shorthand => {
      const propName = prop + shorthand.type + suffix;

      if (this.normalizerExists(propName)) {
        throw Error(`Normalizer for '${propName}' shorthand already exists`);
      }

      this.normalizers[propName] = ShorthandsNormalizerFactory.createNormalizer(
        prop,
        shorthand,
        suffix,
      );
    });
  }

  normalizerExists(normalizerName) {
    return !!this.normalizers[normalizerName];
  }

  canNormalize(prop) {
    return this.normalizerExists(prop);
  }

  normalize(prop, val) {
    return this.normalizers[prop](val);
  }
}