1 | /*
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2 | MIT License http://www.opensource.org/licenses/mit-license.php
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3 | Author Sean Larkin @thelarkinn
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4 | */
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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 | /** @typedef {import("./Module")} Module */
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11 |
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12 | /**
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13 | * @template T
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14 | * @callback Callback
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15 | * @param {Error=} err
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16 | * @param {T=} stats
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17 | * @returns {void}
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18 | */
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19 |
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20 | class HookWebpackError extends WebpackError {
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21 | /**
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22 | * Creates an instance of HookWebpackError.
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23 | * @param {Error} error inner error
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24 | * @param {string} hook name of hook
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25 | */
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26 | constructor(error, hook) {
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27 | super(error.message);
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28 |
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29 | this.name = "HookWebpackError";
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30 | this.hook = hook;
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31 | this.error = error;
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32 | this.hideStack = true;
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33 | this.details = `caused by plugins in ${hook}\n${error.stack}`;
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34 |
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35 | this.stack += `\n-- inner error --\n${error.stack}`;
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36 | }
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37 | }
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38 |
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39 | module.exports = HookWebpackError;
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40 |
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41 | /**
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42 | * @param {Error} error an error
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43 | * @param {string} hook name of the hook
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44 | * @returns {WebpackError} a webpack error
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45 | */
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46 | const makeWebpackError = (error, hook) => {
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47 | if (error instanceof WebpackError) return error;
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48 | return new HookWebpackError(error, hook);
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49 | };
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50 | module.exports.makeWebpackError = makeWebpackError;
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51 |
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52 | /**
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53 | * @template T
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54 | * @param {function(WebpackError=, T=): void} callback webpack error callback
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55 | * @param {string} hook name of hook
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56 | * @returns {Callback<T>} generic callback
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57 | */
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58 | const makeWebpackErrorCallback = (callback, hook) => {
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59 | return (err, result) => {
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60 | if (err) {
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61 | if (err instanceof WebpackError) {
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62 | callback(err);
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63 | return;
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64 | }
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65 | callback(new HookWebpackError(err, hook));
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66 | return;
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67 | }
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68 | callback(null, result);
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69 | };
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70 | };
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71 |
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72 | module.exports.makeWebpackErrorCallback = makeWebpackErrorCallback;
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73 |
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74 | /**
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75 | * @template T
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76 | * @param {function(): T} fn function which will be wrapping in try catch
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77 | * @param {string} hook name of hook
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78 | * @returns {T} the result
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79 | */
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80 | const tryRunOrWebpackError = (fn, hook) => {
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81 | let r;
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82 | try {
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83 | r = fn();
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84 | } catch (err) {
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85 | if (err instanceof WebpackError) {
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86 | throw err;
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87 | }
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88 | throw new HookWebpackError(err, hook);
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89 | }
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90 | return r;
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91 | };
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92 |
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93 | module.exports.tryRunOrWebpackError = tryRunOrWebpackError;
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