check-quote.js 484 B

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  1. /**
  2. * @typedef {import('../types.js').Options} Options
  3. * @typedef {import('../types.js').State} State
  4. */
  5. /**
  6. * @param {State} state
  7. * @returns {Exclude<Options['quote'], null | undefined>}
  8. */
  9. export function checkQuote(state) {
  10. const marker = state.options.quote || '"'
  11. if (marker !== '"' && marker !== "'") {
  12. throw new Error(
  13. 'Cannot serialize title with `' +
  14. marker +
  15. '` for `options.quote`, expected `"`, or `\'`'
  16. )
  17. }
  18. return marker
  19. }