webpack/lib/ModuleParseError.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
"use strict";

const WebpackError = require("./WebpackError");

class ModuleParseError extends WebpackError {
	constructor(module, source, err) {
		super();

		this.name = "ModuleParseError";
		this.message = "Module parse failed: " + err.message;
		this.message +=
			"\nYou may need an appropriate loader to handle this file type.";
		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
				this.message += "\n(Source code omitted for this binary file)";
			} else {
				source = source.split("\n");
				this.message +=
					"\n| " +
					source
						.slice(Math.max(0, lineNumber - 3), lineNumber + 2)
						.join("\n| ");
			}
		} else {
			this.message += "\n" + err.stack;
		}
		this.module = module;
		this.error = err;

		Error.captureStackTrace(this, this.constructor);
	}
}

module.exports = ModuleParseError;