lib/caching-browserify.js
function(path) {
    return (path && path.match(/^[a-z]:\\/i)) ? path.charAt(0).toLowerCase() + path.slice(1) : path;
  }
function(path) {
    return (path && path.match(/^[a-z]:\\/i)) ? path.charAt(0).toLowerCase() + path.slice(1) : path;
  }
function ( path ) { return ( path && path . match ( / ^[a-z]:\\ / i ) ) ? path . charAt ( 0 ) . toLowerCase ( ) + path . slice ( 1 ) : path ; }
Changes path drive-letter to lowercase for Windows
Changes path drive - letter to lowercase for Windows