source: trip-planner-front/node_modules/webpack/lib/ModuleParseError.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Tobias Koppers @sokra
4*/
5
6"use strict";
7
8const WebpackError = require("./WebpackError");
9const makeSerializable = require("./util/makeSerializable");
10
11const WASM_HEADER = Buffer.from([0x00, 0x61, 0x73, 0x6d]);
12
13class ModuleParseError extends WebpackError {
14 /**
15 * @param {string | Buffer} source source code
16 * @param {Error&any} err the parse error
17 * @param {string[]} loaders the loaders used
18 * @param {string} type module type
19 */
20 constructor(source, err, loaders, type) {
21 let message = "Module parse failed: " + (err && err.message);
22 let loc = undefined;
23
24 if (
25 ((Buffer.isBuffer(source) && source.slice(0, 4).equals(WASM_HEADER)) ||
26 (typeof source === "string" && /^\0asm/.test(source))) &&
27 !type.startsWith("webassembly")
28 ) {
29 message +=
30 "\nThe module seem to be a WebAssembly module, but module is not flagged as WebAssembly module for webpack.";
31 message +=
32 "\nBREAKING CHANGE: Since webpack 5 WebAssembly is not enabled by default and flagged as experimental feature.";
33 message +=
34 "\nYou need to enable one of the WebAssembly experiments via 'experiments.asyncWebAssembly: true' (based on async modules) or 'experiments.syncWebAssembly: true' (like webpack 4, deprecated).";
35 message +=
36 "\nFor files that transpile to WebAssembly, make sure to set the module type in the 'module.rules' section of the config (e. g. 'type: \"webassembly/async\"').";
37 } else if (!loaders) {
38 message +=
39 "\nYou may need an appropriate loader to handle this file type.";
40 } else if (loaders.length >= 1) {
41 message += `\nFile was processed with these loaders:${loaders
42 .map(loader => `\n * ${loader}`)
43 .join("")}`;
44 message +=
45 "\nYou may need an additional loader to handle the result of these loaders.";
46 } else {
47 message +=
48 "\nYou may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders";
49 }
50
51 if (
52 err &&
53 err.loc &&
54 typeof err.loc === "object" &&
55 typeof err.loc.line === "number"
56 ) {
57 var lineNumber = err.loc.line;
58
59 if (
60 Buffer.isBuffer(source) ||
61 /[\0\u0001\u0002\u0003\u0004\u0005\u0006\u0007]/.test(source)
62 ) {
63 // binary file
64 message += "\n(Source code omitted for this binary file)";
65 } else {
66 const sourceLines = source.split(/\r?\n/);
67 const start = Math.max(0, lineNumber - 3);
68 const linesBefore = sourceLines.slice(start, lineNumber - 1);
69 const theLine = sourceLines[lineNumber - 1];
70 const linesAfter = sourceLines.slice(lineNumber, lineNumber + 2);
71
72 message +=
73 linesBefore.map(l => `\n| ${l}`).join("") +
74 `\n> ${theLine}` +
75 linesAfter.map(l => `\n| ${l}`).join("");
76 }
77
78 loc = { start: err.loc };
79 } else if (err && err.stack) {
80 message += "\n" + err.stack;
81 }
82
83 super(message);
84
85 this.name = "ModuleParseError";
86 this.loc = loc;
87 this.error = err;
88 }
89
90 serialize(context) {
91 const { write } = context;
92
93 write(this.error);
94
95 super.serialize(context);
96 }
97
98 deserialize(context) {
99 const { read } = context;
100
101 this.error = read();
102
103 super.deserialize(context);
104 }
105}
106
107makeSerializable(ModuleParseError, "webpack/lib/ModuleParseError");
108
109module.exports = ModuleParseError;
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