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MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
Forked to add support for `ignoreList`.
*/ "use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, // Fork of webpack's EvalSourceMapDevToolPlugin with support for adding `ignoreList`.
// https://github.com/webpack/webpack/blob/e237b580e2bda705c5ab39973f786f7c5a7026bc/lib/EvalSourceMapDevToolPlugin.js#L37
"default", {
enumerable: true,
get: function() {
return EvalSourceMapDevToolPlugin;
}
});
const _webpack = require("next/dist/compiled/webpack/webpack");
const cache = new WeakMap();
const devtoolWarningMessage = `/*
* ATTENTION: An "eval-source-map" devtool has been used.
* This devtool is neither made for production nor for readable output files.
* It uses "eval()" calls to create a separate source file with attached SourceMaps in the browser devtools.
* If you are trying to read the output file, select a different devtool (https://webpack.js.org/configuration/devtool/)
* or disable the default devtool with "devtool: false".
* If you are looking for production-ready output files, see mode: "production" (https://webpack.js.org/configuration/mode/).
*/
`;
class EvalSourceMapDevToolPlugin {
/**
* @param inputOptions Options object
*/ constructor(inputOptions){
let options;
if (typeof inputOptions === 'string') {
options = {
append: inputOptions
};
} else {
options = inputOptions;
}
this.sourceMapComment = options.append && typeof options.append !== 'function' ? options.append : '//# sourceURL=[module]\n//# sourceMappingURL=[url]';
this.moduleFilenameTemplate = options.moduleFilenameTemplate || 'webpack://[namespace]/[resource-path]?[hash]';
this.namespace = options.namespace || '';
this.options = options;
// fork
this.shouldIgnorePath = options.shouldIgnorePath ?? (()=>false);
}
/**
* Apply the plugin
* @param compiler the compiler instance
*/ apply(compiler) {
const options = this.options;
compiler.hooks.compilation.tap('NextJSEvalSourceMapDevToolPlugin', (compilation)=>{
const { JavascriptModulesPlugin } = compiler.webpack.javascript;
const { RawSource, ConcatSource } = compiler.webpack.sources;
const devtoolWarning = new RawSource(devtoolWarningMessage);
const hooks = JavascriptModulesPlugin.getCompilationHooks(compilation);
new _webpack.SourceMapDevToolModuleOptionsPlugin(options).apply(compilation);
const matchModule = _webpack.ModuleFilenameHelpers.matchObject.bind(_webpack.ModuleFilenameHelpers, options);
hooks.renderModuleContent.tap('NextJSEvalSourceMapDevToolPlugin', (source, m, { chunk, runtimeTemplate, chunkGraph })=>{
const cachedSource = cache.get(source);
if (cachedSource !== undefined) {
return cachedSource;
}
const result = (r)=>{
cache.set(source, r);
return r;
};
if (m instanceof _webpack.NormalModule) {
const module = m;
if (!matchModule(module.resource)) {
return result(source);
}
} else if (m instanceof _webpack.ConcatenatedModule) {
const concatModule = m;
if (concatModule.rootModule instanceof _webpack.NormalModule) {
const module = concatModule.rootModule;
if (!matchModule(module.resource)) {
return result(source);
}
} else {
return result(source);
}
} else {
return result(source);
}
const namespace = compilation.getPath(this.namespace, {
chunk
});
let sourceMap;
let content;
if (source.sourceAndMap) {
const sourceAndMap = source.sourceAndMap(options);
sourceMap = sourceAndMap.map;
content = sourceAndMap.source;
} else {
sourceMap = source.map(options);
content = source.source();
}
if (!sourceMap) {
return result(source);
}
// Clone (flat) the sourcemap to ensure that the mutations below do not persist.
sourceMap = {
...sourceMap
};
const context = compiler.options.context;
const root = compiler.root;
const modules = sourceMap.sources.map((sourceMapSource)=>{
if (!sourceMapSource.startsWith('webpack://')) return sourceMapSource;
sourceMapSource = (0, _webpack.makePathsAbsolute)(context, sourceMapSource.slice(10), root);
const module = compilation.findModule(sourceMapSource);
return module || sourceMapSource;
});
let moduleFilenames = modules.map((module)=>_webpack.ModuleFilenameHelpers.createFilename(module, {
moduleFilenameTemplate: this.moduleFilenameTemplate,
namespace
}, {
requestShortener: runtimeTemplate.requestShortener,
chunkGraph,
hashFunction: compilation.outputOptions.hashFunction
}));
moduleFilenames = _webpack.ModuleFilenameHelpers.replaceDuplicates(moduleFilenames, (filename, _i, n)=>{
for(let j = 0; j < n; j++)filename += '*';
return filename;
});
sourceMap.sources = moduleFilenames;
sourceMap.ignoreList = [];
for(let index = 0; index < moduleFilenames.length; index++){
if (this.shouldIgnorePath(moduleFilenames[index])) {
sourceMap.ignoreList.push(index);
}
}
if (options.noSources) {
sourceMap.sourcesContent = undefined;
}
sourceMap.sourceRoot = options.sourceRoot || '';
const moduleId = chunkGraph.getModuleId(m);
if (moduleId) {
sourceMap.file = typeof moduleId === 'number' ? `${moduleId}.js` : moduleId;
}
const footer = `${this.sourceMapComment.replace(/\[url\]/g, `data:application/json;charset=utf-8;base64,${Buffer.from(JSON.stringify(sourceMap), 'utf8').toString('base64')}`)}\n//# sourceURL=webpack-internal:///${moduleId}\n` // workaround for chrome bug
;
return result(new RawSource(`eval(${compilation.outputOptions.trustedTypes ? `${_webpack.RuntimeGlobals.createScript}(${JSON.stringify(content + footer)})` : JSON.stringify(content + footer)});`));
});
hooks.inlineInRuntimeBailout.tap('EvalDevToolModulePlugin', ()=>'the eval-source-map devtool is used.');
hooks.render.tap('EvalSourceMapDevToolPlugin', (source, context)=>{
if (context.chunk.id === 'webpack' || context.chunk.id === 'webpack-runtime') {
const sourceURL = new URL('webpack-internal://nextjs/' + context.chunk.id + '.js');
// Webpack runtime chunks are not sourcemapped.
// We insert a dummy source map that ignore-lists everything.
// The mappings will be incorrect but end-users will almost never interact
// with the webpack runtime. Users who do, can follow the instructions
// in the sources content and disable sourcemaps in their debugger.
const sourceMappingURL = new URL('data:application/json;charset=utf-8;base64,' + Buffer.from(JSON.stringify({
version: 3,
ignoreList: [
0
],
// Minimal, parseable mappings.
mappings: 'AAAA',
sources: [
// TODO: This should be the original source URL so that CTRL+Click works in the terminal.
sourceURL.toString()
],
sourcesContent: [
'' + '// This source was generated by Next.js based off of the generated Webpack runtime.\n' + '// The mappings are incorrect.\n' + '// To get the correct line/column mappings, turn off sourcemaps in your debugger.\n' + '\n' + source.source()
]
})).toString('base64'));
return new ConcatSource(source, new RawSource('\n//# sourceMappingURL=' + sourceMappingURL + // Webpack will add a trailing semicolon. Adding a newline
// ensures the semicolon is not part of the sourceURL and actually
// terminates the previous statement.
'\n'));
} else {
return new ConcatSource(devtoolWarning, source);
}
});
hooks.chunkHash.tap('EvalSourceMapDevToolPlugin', (_chunk, hash)=>{
hash.update('EvalSourceMapDevToolPlugin');
hash.update('2');
});
if (compilation.outputOptions.trustedTypes) {
compilation.hooks.additionalModuleRuntimeRequirements.tap('EvalSourceMapDevToolPlugin', (_module, set, _context)=>{
set.add(_webpack.RuntimeGlobals.createScript);
});
}
});
}
}
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