text: // Matches dashed string for camelizing
  const rmsPrefix = /^-ms-/;
  const rdashAlpha = /-([a-z])/g;
  
  // Used by camelCase as callback to replace()
  function fcamelCase(all, letter) {
    return letter.toUpperCase();
  }
  
  // Convert dashed to camelCase; used by the css and data modules
  // Support: IE <=9 - 11, Edge 12 - 15
  // Microsoft forgot to hump their vendor prefix (#9572)
  export default function camelCase(str) {
    return str.replace(rmsPrefix, 'ms-').replace(rdashAlpha, fcamelCase);
  }
  