index.js 1.7 KB

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  1. /**
  2. * Copyright (C) 2017-present by Andrea Giammarchi - @WebReflection
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a copy
  5. * of this software and associated documentation files (the "Software"), to deal
  6. * in the Software without restriction, including without limitation the rights
  7. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  8. * copies of the Software, and to permit persons to whom the Software is
  9. * furnished to do so, subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice shall be included in
  12. * all copies or substantial portions of the Software.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  20. * THE SOFTWARE.
  21. */
  22. var replace = ''.replace;
  23. var ca = /[&<>'"]/g;
  24. var es = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34);/g;
  25. var esca = {
  26. '&': '&amp;',
  27. '<': '&lt;',
  28. '>': '&gt;',
  29. "'": '&#39;',
  30. '"': '&quot;'
  31. };
  32. var unes = {
  33. '&amp;': '&',
  34. '&#38;': '&',
  35. '&lt;': '<',
  36. '&#60;': '<',
  37. '&gt;': '>',
  38. '&#62;': '>',
  39. '&apos;': "'",
  40. '&#39;': "'",
  41. '&quot;': '"',
  42. '&#34;': '"'
  43. };
  44. export function escape(es) {
  45. return replace.call(es, ca, pe);
  46. };
  47. export function unescape(un) {
  48. return replace.call(un, es, cape);
  49. };
  50. function pe(m) {
  51. return esca[m];
  52. }
  53. function cape(m) {
  54. return unes[m];
  55. }