index.js
function collapseLeadingSlashes (str) {
  for (var i = 0; i < str.length; i++) {
    if (str.charCodeAt(i) !== 0x2f /* / */) {
      break
    }
  }

  return i > 1
    ? '/' + str.substr(i)
    : str
}
function collapseLeadingSlashes (str) {
  for (var i = 0; i < str.length; i++) {
    if (str.charCodeAt(i) !== 0x2f /* / */) {
      break
    }
  }

  return i > 1
    ? '/' + str.substr(i)
    : str
}
function collapseLeadingSlashes ( str ) { for ( var i = 0 ; i < str . length ; i ++ ) { if ( str . charCodeAt ( i ) !== 0x2f /* / */ ) { break } } return i > 1 ? '/' + str . substr ( i ) : str }
Collapse all leading slashes into a single slash
@private
Collapse all leading slashes into a single slash