native-base/lib/module/utils/react-native-web-fucntions/normalizeColor.js

Essential cross-platform UI components for React Native

/* eslint-disable */
//@ts-nocheck
// This functions is taken from react native web
import ConvertNumberIntoHex from 'normalize-css-color';

const processColor = color => {
  if (color === undefined || color === null) {
    return color;
  } // convert number and hex


  let int32Color = ConvertNumberIntoHex(color);

  if (int32Color === undefined || int32Color === null) {
    return undefined;
  } //@ts-ignore


  int32Color = (int32Color << 24 | int32Color >>> 8) >>> 0;
  return int32Color;
};

const isWebColor = color => color === 'currentcolor' || color === 'currentColor' || color === 'inherit' || color.indexOf('var(') === 0;

const normalizeColor = (color, opacity = 1) => {
  if (color == null) return;

  if (typeof color === 'string' && isWebColor(color)) {
    return color;
  }

  const colorInt = processColor(color);

  if (colorInt != null) {
    const r = colorInt >> 16 & 255;
    const g = colorInt >> 8 & 255;
    const b = colorInt & 255;
    const a = (colorInt >> 24 & 255) / 255;
    const alpha = (a * opacity).toFixed(2);
    return "rgba(".concat(r, ",").concat(g, ",").concat(b, ",").concat(alpha, ")");
  }
};

export default normalizeColor;
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