text: const plugin = require('tailwindcss/plugin');
  const _ = require('lodash');
  
  /**
   * Adds utility classes for .mat-icon size
   */
  module.exports = plugin(({addUtilities, variants, theme, e}) => {
  
          const utilities = _.map(theme('iconSize'), (value, key) => {
  
              return {
                  [`.${e(`icon-size-${key}`)}`]: {
                      width     : value,
                      height    : value,
                      minWidth  : value,
                      minHeight : value,
                      fontSize  : value,
                      lineHeight: value,
                      [`svg`]   : {
                          width     : value,
                          height    : value
                      }
                  }
              }
          });
  
          addUtilities(utilities, variants('iconSize'));
      },
      {
          theme   : {
              iconSize: {
                  12: '12px',
                  14: '14px',
                  16: '16px',
                  18: '18px',
                  20: '20px',
                  24: '24px',
                  32: '32px',
                  40: '40px',
                  48: '48px',
                  56: '56px',
                  64: '64px',
                  72: '72px',
                  80: '80px',
                  88: '88px',
                  96: '96px'
              }
          },
          variants: {
              iconSize: []
          }
      }
  );
  