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