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5 |
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6 | "use strict";
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7 |
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8 | const WebpackError = require("./WebpackError");
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9 |
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10 |
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11 |
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12 |
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13 | const previouslyPolyfilledBuiltinModules = {
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14 | assert: "assert/",
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15 | buffer: "buffer/",
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16 | console: "console-browserify",
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17 | constants: "constants-browserify",
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18 | crypto: "crypto-browserify",
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19 | domain: "domain-browser",
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20 | events: "events/",
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21 | http: "stream-http",
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22 | https: "https-browserify",
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23 | os: "os-browserify/browser",
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24 | path: "path-browserify",
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25 | punycode: "punycode/",
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26 | process: "process/browser",
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27 | querystring: "querystring-es3",
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28 | stream: "stream-browserify",
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29 | _stream_duplex: "readable-stream/duplex",
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30 | _stream_passthrough: "readable-stream/passthrough",
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31 | _stream_readable: "readable-stream/readable",
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32 | _stream_transform: "readable-stream/transform",
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33 | _stream_writable: "readable-stream/writable",
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34 | string_decoder: "string_decoder/",
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35 | sys: "util/",
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36 | timers: "timers-browserify",
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37 | tty: "tty-browserify",
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38 | url: "url/",
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39 | util: "util/",
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40 | vm: "vm-browserify",
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41 | zlib: "browserify-zlib"
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42 | };
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43 |
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44 | class ModuleNotFoundError extends WebpackError {
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45 | |
46 |
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47 |
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48 |
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49 |
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50 | constructor(module, err, loc) {
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51 | let message = `Module not found: ${err.toString()}`;
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52 |
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53 |
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54 | const match = err.message.match(/Can't resolve '([^']+)'/);
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55 | if (match) {
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56 | const request = match[1];
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57 | const alias = previouslyPolyfilledBuiltinModules[request];
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58 | if (alias) {
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59 | const pathIndex = alias.indexOf("/");
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60 | const dependency = pathIndex > 0 ? alias.slice(0, pathIndex) : alias;
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61 | message +=
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62 | "\n\n" +
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63 | "BREAKING CHANGE: " +
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64 | "webpack < 5 used to include polyfills for node.js core modules by default.\n" +
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65 | "This is no longer the case. Verify if you need this module and configure a polyfill for it.\n\n";
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66 | message +=
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67 | "If you want to include a polyfill, you need to:\n" +
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68 | `\t- add a fallback 'resolve.fallback: { "${request}": require.resolve("${alias}") }'\n` +
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69 | `\t- install '${dependency}'\n`;
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70 | message +=
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71 | "If you don't want to include a polyfill, you can use an empty module like this:\n" +
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72 | `\tresolve.fallback: { "${request}": false }`;
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73 | }
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74 | }
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75 |
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76 | super(message);
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77 |
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78 | this.name = "ModuleNotFoundError";
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79 | this.details = err.details;
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80 | this.module = module;
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81 | this.error = err;
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82 | this.loc = loc;
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83 | }
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84 | }
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85 |
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86 | module.exports = ModuleNotFoundError;
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