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12 | import { FetchOptions } from "../IFetchOptions";
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18 |
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19 | export const generateUUID = (): string => {
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20 | let uuid = "";
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21 | for (let j = 0; j < 32; j++) {
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22 | if (j === 8 || j === 12 || j === 16 || j === 20) {
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23 | uuid += "-";
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24 | }
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25 | uuid += Math.floor(Math.random() * 16).toString(16);
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26 | }
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27 | return uuid;
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28 | };
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29 |
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36 |
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37 |
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38 | export const getRequestHeader = (request: RequestInfo, options: FetchOptions | undefined, key: string): string | null => {
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39 | let value: string = null;
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40 | if (typeof Request !== "undefined" && request instanceof Request) {
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41 | value = (request as Request).headers.get(key);
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42 | } else if (typeof options !== "undefined" && options.headers !== undefined) {
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43 | if (typeof Headers !== "undefined" && options.headers instanceof Headers) {
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44 | value = (options.headers as Headers).get(key);
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45 | } else if (options.headers instanceof Array) {
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46 | const headers = options.headers as string[][];
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47 | for (let i = 0, l = headers.length; i < l; i++) {
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48 | if (headers[i][0] === key) {
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49 | value = headers[i][1];
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50 | break;
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51 | }
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52 | }
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53 | } else if (options.headers[key] !== undefined) {
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54 | value = options.headers[key];
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55 | }
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56 | }
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57 | return value;
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58 | };
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59 |
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67 |
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68 |
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69 | export const setRequestHeader = (request: RequestInfo, options: FetchOptions | undefined, key: string, value: string): void => {
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70 | if (typeof Request !== "undefined" && request instanceof Request) {
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71 | (request as Request).headers.set(key, value);
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72 | } else if (typeof options !== "undefined") {
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73 | if (options.headers === undefined) {
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74 | options.headers = new Headers({
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75 | [key]: value,
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76 | });
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77 | } else {
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78 | if (typeof Headers !== "undefined" && options.headers instanceof Headers) {
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79 | (options.headers as Headers).set(key, value);
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80 | } else if (options.headers instanceof Array) {
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81 | let i = 0;
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82 | const l = options.headers.length;
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83 | for (; i < l; i++) {
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84 | const header = options.headers[i];
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85 | if (header[0] === key) {
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86 | header[1] = value;
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87 | break;
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88 | }
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89 | }
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90 | if (i === l) {
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91 | (options.headers as string[][]).push([key, value]);
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92 | }
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93 | } else {
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94 | Object.assign(options.headers, { [key]: value });
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95 | }
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96 | }
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97 | }
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98 | };
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108 |
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109 | export const appendRequestHeader = (request: RequestInfo, options: FetchOptions | undefined, key: string, value: string): void => {
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110 | if (typeof Request !== "undefined" && request instanceof Request) {
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111 | (request as Request).headers.append(key, value);
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112 | } else if (typeof options !== "undefined") {
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113 | if (options.headers === undefined) {
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114 | options.headers = new Headers({
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115 | [key]: value,
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116 | });
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117 | } else {
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118 | if (typeof Headers !== "undefined" && options.headers instanceof Headers) {
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119 | (options.headers as Headers).append(key, value);
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120 | } else if (options.headers instanceof Array) {
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121 | (options.headers as string[][]).push([key, value]);
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122 | } else if (options.headers === undefined) {
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123 | options.headers = { [key]: value };
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124 | } else if (options.headers[key] === undefined) {
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125 | options.headers[key] = value;
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126 | } else {
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127 | options.headers[key] += `, ${value}`;
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128 | }
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129 | }
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130 | }
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131 | };
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132 |
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134 |
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138 |
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139 |
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140 | export const cloneRequestWithNewUrl = async (newUrl: string, request: Request): Promise<Request> => {
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141 | const body = request.headers.get("Content-Type") ? await request.blob() : await Promise.resolve(undefined);
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142 | const { method, headers, referrer, referrerPolicy, mode, credentials, cache, redirect, integrity, keepalive, signal } = request;
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143 | return new Request(newUrl, { method, headers, body, referrer, referrerPolicy, mode, credentials, cache, redirect, integrity, keepalive, signal });
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144 | };
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