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rOACCT/node_modules/webpack/lib/ModuleParseError.js
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ModuleParseError.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const WebpackError = require("./WebpackError");
const makeSerializable = require("./util/makeSerializable");
const WASM_HEADER = Buffer.from([0x00, 0x61, 0x73, 0x6d]);
class ModuleParseError extends WebpackError {
/**
* @param {string | Buffer} source source code
* @param {Error&any} err the parse error
* @param {string[]} loaders the loaders used
* @param {string} type module type
*/
constructor(source, err, loaders, type) {
let message = "Module parse failed: " + (err && err.message);
let loc = undefined;
if (
((Buffer.isBuffer(source) && source.slice(0, 4).equals(WASM_HEADER)) ||
(typeof source === "string" && /^\0asm/.test(source))) &&
!type.startsWith("webassembly")
) {
message +=
"\nThe module seem to be a WebAssembly module, but module is not flagged as WebAssembly module for webpack.";
message +=
"\nBREAKING CHANGE: Since webpack 5 WebAssembly is not enabled by default and flagged as experimental feature.";
message +=
"\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).";
message +=
"\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\"').";
} else if (!loaders) {
message +=
"\nYou may need an appropriate loader to handle this file type.";
} else if (loaders.length >= 1) {
message += `\nFile was processed with these loaders:${loaders
.map(loader => `\n * ${loader}`)
.join("")}`;
message +=
"\nYou may need an additional loader to handle the result of these loaders.";
} else {
message +=
"\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";
}
if (
err &&
err.loc &&
typeof err.loc === "object" &&
typeof err.loc.line === "number"
) {
var lineNumber = err.loc.line;
if (
Buffer.isBuffer(source) ||
/[\0\u0001\u0002\u0003\u0004\u0005\u0006\u0007]/.test(source)
) {
// binary file
message += "\n(Source code omitted for this binary file)";
} else {
const sourceLines = source.split(/\r?\n/);
const start = Math.max(0, lineNumber - 3);
const linesBefore = sourceLines.slice(start, lineNumber - 1);
const theLine = sourceLines[lineNumber - 1];
const linesAfter = sourceLines.slice(lineNumber, lineNumber + 2);
message +=
linesBefore.map(l => `\n| ${l}`).join("") +
`\n> ${theLine}` +
linesAfter.map(l => `\n| ${l}`).join("");
}
loc = { start: err.loc };
} else if (err && err.stack) {
message += "\n" + err.stack;
}
super(message);
this.name = "ModuleParseError";
this.loc = loc;
this.error = err;
Error.captureStackTrace(this, this.constructor);
}
serialize(context) {
const { write } = context;
write(this.error);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.error = read();
super.deserialize(context);
}
}
makeSerializable(ModuleParseError, "webpack/lib/ModuleParseError");
module.exports = ModuleParseError;
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