index.js 4.2 KB

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  1. 'use strict';
  2. import utils from '../utils.js';
  3. import AxiosError from '../core/AxiosError.js';
  4. import transitionalDefaults from './transitional.js';
  5. import toFormData from '../helpers/toFormData.js';
  6. import toURLEncodedForm from '../helpers/toURLEncodedForm.js';
  7. import platform from '../platform/index.js';
  8. import formDataToJSON from '../helpers/formDataToJSON.js';
  9. /**
  10. * It takes a string, tries to parse it, and if it fails, it returns the stringified version
  11. * of the input
  12. *
  13. * @param {any} rawValue - The value to be stringified.
  14. * @param {Function} parser - A function that parses a string into a JavaScript object.
  15. * @param {Function} encoder - A function that takes a value and returns a string.
  16. *
  17. * @returns {string} A stringified version of the rawValue.
  18. */
  19. function stringifySafely(rawValue, parser, encoder) {
  20. if (utils.isString(rawValue)) {
  21. try {
  22. (parser || JSON.parse)(rawValue);
  23. return utils.trim(rawValue);
  24. } catch (e) {
  25. if (e.name !== 'SyntaxError') {
  26. throw e;
  27. }
  28. }
  29. }
  30. return (encoder || JSON.stringify)(rawValue);
  31. }
  32. const defaults = {
  33. transitional: transitionalDefaults,
  34. adapter: ['xhr', 'http'],
  35. transformRequest: [function transformRequest(data, headers) {
  36. const contentType = headers.getContentType() || '';
  37. const hasJSONContentType = contentType.indexOf('application/json') > -1;
  38. const isObjectPayload = utils.isObject(data);
  39. if (isObjectPayload && utils.isHTMLForm(data)) {
  40. data = new FormData(data);
  41. }
  42. const isFormData = utils.isFormData(data);
  43. if (isFormData) {
  44. return hasJSONContentType ? JSON.stringify(formDataToJSON(data)) : data;
  45. }
  46. if (utils.isArrayBuffer(data) ||
  47. utils.isBuffer(data) ||
  48. utils.isStream(data) ||
  49. utils.isFile(data) ||
  50. utils.isBlob(data)
  51. ) {
  52. return data;
  53. }
  54. if (utils.isArrayBufferView(data)) {
  55. return data.buffer;
  56. }
  57. if (utils.isURLSearchParams(data)) {
  58. headers.setContentType('application/x-www-form-urlencoded;charset=utf-8', false);
  59. return data.toString();
  60. }
  61. let isFileList;
  62. if (isObjectPayload) {
  63. if (contentType.indexOf('application/x-www-form-urlencoded') > -1) {
  64. return toURLEncodedForm(data, this.formSerializer).toString();
  65. }
  66. if ((isFileList = utils.isFileList(data)) || contentType.indexOf('multipart/form-data') > -1) {
  67. const _FormData = this.env && this.env.FormData;
  68. return toFormData(
  69. isFileList ? {'files[]': data} : data,
  70. _FormData && new _FormData(),
  71. this.formSerializer
  72. );
  73. }
  74. }
  75. if (isObjectPayload || hasJSONContentType ) {
  76. headers.setContentType('application/json', false);
  77. return stringifySafely(data);
  78. }
  79. return data;
  80. }],
  81. transformResponse: [function transformResponse(data) {
  82. const transitional = this.transitional || defaults.transitional;
  83. const forcedJSONParsing = transitional && transitional.forcedJSONParsing;
  84. const JSONRequested = this.responseType === 'json';
  85. if (data && utils.isString(data) && ((forcedJSONParsing && !this.responseType) || JSONRequested)) {
  86. const silentJSONParsing = transitional && transitional.silentJSONParsing;
  87. const strictJSONParsing = !silentJSONParsing && JSONRequested;
  88. try {
  89. return JSON.parse(data);
  90. } catch (e) {
  91. if (strictJSONParsing) {
  92. if (e.name === 'SyntaxError') {
  93. throw AxiosError.from(e, AxiosError.ERR_BAD_RESPONSE, this, null, this.response);
  94. }
  95. throw e;
  96. }
  97. }
  98. }
  99. return data;
  100. }],
  101. /**
  102. * A timeout in milliseconds to abort a request. If set to 0 (default) a
  103. * timeout is not created.
  104. */
  105. timeout: 0,
  106. xsrfCookieName: 'XSRF-TOKEN',
  107. xsrfHeaderName: 'X-XSRF-TOKEN',
  108. maxContentLength: -1,
  109. maxBodyLength: -1,
  110. env: {
  111. FormData: platform.classes.FormData,
  112. Blob: platform.classes.Blob
  113. },
  114. validateStatus: function validateStatus(status) {
  115. return status >= 200 && status < 300;
  116. },
  117. headers: {
  118. common: {
  119. 'Accept': 'application/json, text/plain, */*',
  120. 'Content-Type': undefined
  121. }
  122. }
  123. };
  124. utils.forEach(['delete', 'get', 'head', 'post', 'put', 'patch'], (method) => {
  125. defaults.headers[method] = {};
  126. });
  127. export default defaults;