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- /*
- 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;
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