| 123456789101112131415 | const stringifiedRegexp = /^'|".*'|"$/;/** * If already stringified - return original content * @param {Object|Array} content * @return {string} */function stringify(content) {  if (typeof content === 'string' && stringifiedRegexp.test(content)) {    return content;  }  return JSON.stringify(content, null, 2);}module.exports = stringify;
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