1 | "use strict";
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2 |
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3 |
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4 |
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5 |
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6 |
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7 |
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8 |
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9 | var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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10 | if (k2 === undefined) k2 = k;
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11 | Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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12 | }) : (function(o, m, k, k2) {
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13 | if (k2 === undefined) k2 = k;
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14 | o[k2] = m[k];
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15 | }));
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16 | var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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17 | Object.defineProperty(o, "default", { enumerable: true, value: v });
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18 | }) : function(o, v) {
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19 | o["default"] = v;
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20 | });
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21 | var __importStar = (this && this.__importStar) || function (mod) {
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22 | if (mod && mod.__esModule) return mod;
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23 | var result = {};
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24 | if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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25 | __setModuleDefault(result, mod);
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26 | return result;
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27 | };
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28 | Object.defineProperty(exports, "__esModule", { value: true });
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29 | exports.TypeScriptPathsPlugin = void 0;
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30 | const path = __importStar(require("path"));
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31 | const getInnerRequest = require('enhanced-resolve/lib/getInnerRequest');
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32 | class TypeScriptPathsPlugin {
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33 | constructor(options) {
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34 | this.options = options;
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35 | }
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36 | update(options) {
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37 | this.options = options;
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38 | }
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39 |
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40 | apply(resolver) {
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41 | const target = resolver.ensureHook('resolve');
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42 | resolver.getHook('described-resolve').tapAsync('TypeScriptPathsPlugin',
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43 |
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44 | (request, resolveContext, callback) => {
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45 | if (!this.options) {
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46 | callback();
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47 | return;
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48 | }
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49 | if (!request || request.typescriptPathMapped) {
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50 | callback();
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51 | return;
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52 | }
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53 | const originalRequest = getInnerRequest(resolver, request);
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54 | if (!originalRequest) {
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55 | callback();
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56 | return;
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57 | }
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58 |
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59 | if (!request.context.issuer || !request.context.issuer.match(/\.[jt]sx?$/)) {
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60 | callback();
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61 | return;
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62 | }
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63 |
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64 | if (originalRequest.startsWith('.') || originalRequest.startsWith('/')) {
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65 | callback();
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66 | return;
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67 | }
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68 |
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69 | if (originalRequest.startsWith('!!')) {
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70 | callback();
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71 | return;
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72 | }
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73 | const replacements = findReplacements(originalRequest, this.options.paths || {});
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74 | const tryResolve = () => {
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75 | var _a;
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76 | const potential = replacements.shift();
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77 | if (!potential) {
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78 | callback();
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79 | return;
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80 | }
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81 | const potentialRequest = {
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82 | ...request,
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83 | request: path.resolve(((_a = this.options) === null || _a === void 0 ? void 0 : _a.baseUrl) || '', potential),
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84 | typescriptPathMapped: true,
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85 | };
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86 | resolver.doResolve(target, potentialRequest, '', resolveContext,
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87 |
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88 | (error, result) => {
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89 | if (error) {
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90 | callback(error);
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91 | }
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92 | else if (result) {
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93 | callback(undefined, result);
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94 | }
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95 | else {
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96 | tryResolve();
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97 | }
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98 | });
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99 | };
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100 | tryResolve();
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101 | });
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102 | }
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103 | }
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104 | exports.TypeScriptPathsPlugin = TypeScriptPathsPlugin;
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105 | function findReplacements(originalRequest, paths) {
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106 |
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107 | const pathMapOptions = [];
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108 | for (const pattern in paths) {
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109 |
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110 | const potentials = Array.from(new Set(paths[pattern]));
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111 | if (potentials.length === 0) {
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112 |
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113 | continue;
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114 | }
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115 |
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116 | const starIndex = pattern.indexOf('*');
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117 | if (starIndex === -1) {
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118 | if (pattern === originalRequest) {
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119 | pathMapOptions.push({
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120 | starIndex,
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121 | partial: '',
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122 | potentials,
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123 | });
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124 | }
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125 | }
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126 | else if (starIndex === 0 && pattern.length === 1) {
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127 | if (potentials.length === 1 && potentials[0] === '*') {
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128 |
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129 | continue;
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130 | }
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131 | pathMapOptions.push({
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132 | starIndex,
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133 | partial: originalRequest,
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134 | potentials,
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135 | });
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136 | }
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137 | else if (starIndex === pattern.length - 1) {
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138 | if (originalRequest.startsWith(pattern.slice(0, -1))) {
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139 | pathMapOptions.push({
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140 | starIndex,
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141 | partial: originalRequest.slice(pattern.length - 1),
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142 | potentials,
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143 | });
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144 | }
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145 | }
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146 | else {
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147 | const [prefix, suffix] = pattern.split('*');
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148 | if (originalRequest.startsWith(prefix) && originalRequest.endsWith(suffix)) {
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149 | pathMapOptions.push({
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150 | starIndex,
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151 | partial: originalRequest.slice(prefix.length).slice(0, -suffix.length),
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152 | potentials,
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153 | });
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154 | }
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155 | }
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156 | }
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157 | if (pathMapOptions.length === 0) {
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158 | return [];
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159 | }
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160 |
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161 | pathMapOptions.sort((a, b) => {
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162 | if (a.starIndex === -1) {
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163 | return -1;
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164 | }
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165 | else if (b.starIndex === -1) {
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166 | return 1;
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167 | }
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168 | else {
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169 | return b.starIndex - a.starIndex;
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170 | }
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171 | });
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172 | const replacements = [];
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173 | pathMapOptions.forEach((option) => {
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174 | for (const potential of option.potentials) {
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175 | let replacement;
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176 | const starIndex = potential.indexOf('*');
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177 | if (starIndex === -1) {
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178 | replacement = potential;
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179 | }
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180 | else if (starIndex === potential.length - 1) {
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181 | replacement = potential.slice(0, -1) + option.partial;
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182 | }
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183 | else {
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184 | const [prefix, suffix] = potential.split('*');
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185 | replacement = prefix + option.partial + suffix;
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186 | }
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187 | replacements.push(replacement);
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188 | }
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189 | });
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190 | return replacements;
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191 | }
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