react-native-week-schedule-1/lib/module/schedule/utils/Utils.js

week schedule

"use strict";

import { Platform, Dimensions, PixelRatio } from 'react-native';
export class Utils {
  idealWidth = 375;
  idealHeight = 812;
  _isIOS = Platform.OS === 'ios';
  _size = Dimensions.get('window');
  _ratio = PixelRatio.getFontScale();
  get isIOS() {
    return this._isIOS;
  }
  get size() {
    return {
      ...this._size
    };
  }
  declOfNum = (number, translates) => {
    const newNumber = number % 10;
    if (number > 10 && number < 20) {
      return translates[2];
    }
    if (newNumber > 1 && newNumber < 5) {
      return translates[1];
    }
    if (newNumber === 1) {
      return translates[0];
    }
    return translates[2];
  };

  /* Scale */

  scaleHorizontal = (inWidth = 1) => {
    const delimiter = this.idealWidth / inWidth;
    return this._size.width / delimiter;
  };
  scaleVertical = (inHeight = 1) => {
    const delimiter = this.idealHeight / inHeight;
    return this._size.height / delimiter;
  };
  scaleFontSize = (fontSize = 1) => {
    const divisionRatio = this.idealWidth / (fontSize / this._ratio);
    return this._size.width / divisionRatio;
  };
  scaleLineHeight = (lineHeight = 1) => {
    const divisionRatio = this.idealHeight / (lineHeight / this._ratio);
    return this._size.height / divisionRatio;
  };
}
const utils = new Utils();
export const {
  scaleHorizontal,
  scaleVertical,
  scaleFontSize,
  scaleLineHeight,
  size,
  isIOS
} = utils;
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