index.js 1.8 KB

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  1. 'use strict';
  2. /**
  3. * Copyright (C) 2017-present by Andrea Giammarchi - @WebReflection
  4. *
  5. * Permission is hereby granted, free of charge, to any person obtaining a copy
  6. * of this software and associated documentation files (the "Software"), to deal
  7. * in the Software without restriction, including without limitation the rights
  8. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. * copies of the Software, and to permit persons to whom the Software is
  10. * furnished to do so, subject to the following conditions:
  11. *
  12. * The above copyright notice and this permission notice shall be included in
  13. * all copies or substantial portions of the Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21. * THE SOFTWARE.
  22. */
  23. var replace = ''.replace;
  24. var ca = /[&<>'"]/g;
  25. var es = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34);/g;
  26. var esca = {
  27. '&': '&amp;',
  28. '<': '&lt;',
  29. '>': '&gt;',
  30. "'": '&#39;',
  31. '"': '&quot;'
  32. };
  33. var unes = {
  34. '&amp;': '&',
  35. '&#38;': '&',
  36. '&lt;': '<',
  37. '&#60;': '<',
  38. '&gt;': '>',
  39. '&#62;': '>',
  40. '&apos;': "'",
  41. '&#39;': "'",
  42. '&quot;': '"',
  43. '&#34;': '"'
  44. };
  45. function escape(es) {
  46. return replace.call(es, ca, pe);
  47. }
  48. exports.escape = escape;
  49. function unescape(un) {
  50. return replace.call(un, es, cape);
  51. }
  52. exports.unescape = unescape;
  53. function pe(m) {
  54. return esca[m];
  55. }
  56. function cape(m) {
  57. return unes[m];
  58. }