/*
|
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;
|
