You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

67 lines
2.0 KiB

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const WebpackError = require("./WebpackError");
/** @typedef {import("./Module")} Module */
class ModuleParseError extends WebpackError {
/**
* @param {Module} module the errored module
* @param {string} source source code
* @param {Error&any} err the parse error
* @param {string[]} loaders the loaders used
*/
constructor(module, source, err, loaders) {
let message = "Module parse failed: " + err.message;
let loc = undefined;
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.loc &&
typeof err.loc === "object" &&
typeof err.loc.line === "number"
) {
var lineNumber = err.loc.line;
if (/[\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 = err.loc;
} else {
message += "\n" + err.stack;
}
super(message);
this.name = "ModuleParseError";
this.module = module;
this.loc = loc;
this.error = err;
Error.captureStackTrace(this, this.constructor);
}
}
module.exports = ModuleParseError;