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const escapeCharRegEx = /["\\\n\r]/;const escapeCharRegExAll = /["\\\n\r]/g;
const replacer = (char: string) => {  switch (char) {    case `"`:      return `\\"`;    case `\\`:      return `\\\\`;    case `\n`:      return `\\n`;    case `\r`:      return `\\r`;    default:      return char; // this should never happen  }};
export const escape = (value: string) => {  if (escapeCharRegEx.test(value)) {    return value.replace(escapeCharRegExAll, replacer);  }
  return value;};