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export default function _quote(s) {  var escaped = s    .replace(/\\/g, '\\\\')    .replace(/[\b]/g, '\\b')  // \b matches word boundary; [\b] matches backspace    .replace(/\f/g, '\\f')    .replace(/\n/g, '\\n')    .replace(/\r/g, '\\r')    .replace(/\t/g, '\\t')    .replace(/\v/g, '\\v')    .replace(/\0/g, '\\0');
  return '"' + escaped.replace(/"/g, '\\"') + '"';}