/opt/canhelp/node_modules/next/dist/esm/build/webpack/plugins
Edit: /opt/canhelp/node_modules/next/dist/esm/build/webpack/plugins/devtools-ignore-list-plugin.js (3155B)
// Source: https://github.com/mondaychen/devtools-ignore-webpack-plugin/blob/e35ce41d9606a92a455ef247f509a1c2ccab5778/src/index.ts
import { webpack } from 'next/dist/compiled/webpack/webpack';
// Following the naming conventions from
// https://tc39.es/source-map/#source-map-format
const IGNORE_LIST = 'ignoreList';
const PLUGIN_NAME = 'devtools-ignore-plugin';
function defaultShouldIgnorePath(path) {
return path.includes('/node_modules/') || path.includes('/webpack/');
}
function defaultIsSourceMapAsset(name) {
return name.endsWith('.map');
}
function isWebpackRuntimeModule(modulePath) {
// webpack:///webpack/bootstrap
// webpack://_N_E/webpack/
// webpack://someOtherLibrary/webpack/
return /^webpack:\/\/([^/]*)\/webpack/.test(modulePath);
}
/**
* This plugin adds a field to source maps that identifies which sources are
* vendored or runtime-injected (aka third-party) sources. These are consumed by
* Chrome DevTools to automatically ignore-list sources.
*/ export default class DevToolsIgnorePlugin {
constructor(options = {}){
this.options = {
shouldIgnorePath: options.shouldIgnorePath ?? defaultShouldIgnorePath,
isSourceMapAsset: options.isSourceMapAsset ?? defaultIsSourceMapAsset
};
}
apply(compiler) {
const { RawSource } = compiler.webpack.sources;
compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation)=>{
compilation.hooks.processAssets.tap({
name: PLUGIN_NAME,
stage: webpack.Compilation.PROCESS_ASSETS_STAGE_DEV_TOOLING,
additionalAssets: true
}, (assets)=>{
for (const [name, asset] of Object.entries(assets)){
// Instead of using `asset.map()` to fetch the source maps from
// SourceMapSource assets, process them directly as a RawSource.
// This is because `.map()` is slow and can take several seconds.
if (!this.options.isSourceMapAsset(name)) {
continue;
}
const mapContent = asset.source().toString();
if (!mapContent) {
continue;
}
const sourcemap = JSON.parse(mapContent);
const ignoreList = [];
for (const [index, path] of sourcemap.sources.entries()){
if (this.options.shouldIgnorePath(path)) {
ignoreList.push(index);
} else if (isWebpackRuntimeModule(path)) {
// Just like our EvalSourceMapDevToolPlugin ignore-lists Webpack
// runtime by default, we do the same here.
ignoreList.push(index);
}
}
sourcemap[IGNORE_LIST] = ignoreList;
compilation.updateAsset(name, new RawSource(JSON.stringify(sourcemap)));
}
});
});
}
}
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