utils.js 8.2 KB

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  1. "use strict";
  2. /**
  3. * Return the mime type for the given `str`.
  4. *
  5. * @param {String} str
  6. * @return {String}
  7. * @api private
  8. */
  9. exports.type = string_ => string_.split(/ *; */).shift();
  10. /**
  11. * Return header field parameters.
  12. *
  13. * @param {String} str
  14. * @return {Object}
  15. * @api private
  16. */
  17. exports.params = value => {
  18. const object = {};
  19. for (const string_ of value.split(/ *; */)) {
  20. const parts = string_.split(/ *= */);
  21. const key = parts.shift();
  22. const value = parts.shift();
  23. if (key && value) object[key] = value;
  24. }
  25. return object;
  26. };
  27. /**
  28. * Parse Link header fields.
  29. *
  30. * @param {String} str
  31. * @return {Object}
  32. * @api private
  33. */
  34. exports.parseLinks = value => {
  35. const object = {};
  36. for (const string_ of value.split(/ *, */)) {
  37. const parts = string_.split(/ *; */);
  38. const url = parts[0].slice(1, -1);
  39. const rel = parts[1].split(/ *= */)[1].slice(1, -1);
  40. object[rel] = url;
  41. }
  42. return object;
  43. };
  44. /**
  45. * Strip content related fields from `header`.
  46. *
  47. * @param {Object} header
  48. * @return {Object} header
  49. * @api private
  50. */
  51. exports.cleanHeader = (header, changesOrigin) => {
  52. delete header['content-type'];
  53. delete header['content-length'];
  54. delete header['transfer-encoding'];
  55. delete header.host;
  56. // secuirty
  57. if (changesOrigin) {
  58. delete header.authorization;
  59. delete header.cookie;
  60. }
  61. return header;
  62. };
  63. /**
  64. * Check if `obj` is an object.
  65. *
  66. * @param {Object} object
  67. * @return {Boolean}
  68. * @api private
  69. */
  70. exports.isObject = object => {
  71. return object !== null && typeof object === 'object';
  72. };
  73. /**
  74. * Object.hasOwn fallback/polyfill.
  75. *
  76. * @type {(object: object, property: string) => boolean} object
  77. * @api private
  78. */
  79. exports.hasOwn = Object.hasOwn || function (object, property) {
  80. if (object == null) {
  81. throw new TypeError('Cannot convert undefined or null to object');
  82. }
  83. return Object.prototype.hasOwnProperty.call(new Object(object), property);
  84. };
  85. exports.mixin = (target, source) => {
  86. for (const key in source) {
  87. if (exports.hasOwn(source, key)) {
  88. target[key] = source[key];
  89. }
  90. }
  91. };
  92. //# 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