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Mini Shell
Mini Shell
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _path = _interopRequireDefault(require("path"));
var _profilingPlugin = require("./profiling-plugin");
var _isError = _interopRequireDefault(require("../../../lib/is-error"));
var _nft = require("next/dist/compiled/@vercel/nft");
var _constants = require("../../../shared/lib/constants");
var _webpack = require("next/dist/compiled/webpack/webpack");
var _webpackConfig = require("../../webpack-config");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
const PLUGIN_NAME = "TraceEntryPointsPlugin";
const TRACE_IGNORES = [
"**/*/next/dist/server/next.js",
"**/*/next/dist/bin/next",
];
function getModuleFromDependency(compilation, dep) {
return compilation.moduleGraph.getModule(dep);
}
function getFilesMapFromReasons(fileList, reasons, ignoreFn) {
// this uses the reasons tree to collect files specific to a
// certain parent allowing us to not have to trace each parent
// separately
const parentFilesMap = new Map();
function propagateToParents(parents, file, seen = new Set()) {
for (const parent of parents || []){
if (!seen.has(parent)) {
seen.add(parent);
let parentFiles = parentFilesMap.get(parent);
if (!parentFiles) {
parentFiles = new Set();
parentFilesMap.set(parent, parentFiles);
}
if (!(ignoreFn == null ? void 0 : ignoreFn(file, parent))) {
parentFiles.add(file);
}
const parentReason = reasons.get(parent);
if (parentReason == null ? void 0 : parentReason.parents) {
propagateToParents(parentReason.parents, file, seen);
}
}
}
}
for (const file1 of fileList){
const reason = reasons.get(file1);
const isInitial = (reason == null ? void 0 : reason.type.length) === 1 && reason.type.includes("initial");
if (!reason || !reason.parents || isInitial && reason.parents.size === 0) {
continue;
}
propagateToParents(reason.parents, file1);
}
return parentFilesMap;
}
class TraceEntryPointsPlugin {
constructor({ appDir , excludeFiles , esmExternals , staticImageImports , outputFileTracingRoot }){
this.appDir = appDir;
this.entryTraces = new Map();
this.esmExternals = esmExternals;
this.excludeFiles = excludeFiles || [];
this.staticImageImports = staticImageImports;
this.tracingRoot = outputFileTracingRoot || appDir;
}
// Here we output all traced assets and webpack chunks to a
// ${page}.js.nft.json file
async createTraceAssets(compilation, assets, span, readlink, stat) {
const outputPath = compilation.outputOptions.path;
await span.traceChild("create-trace-assets").traceAsyncFn(async ()=>{
const entryFilesMap = new Map();
const chunksToTrace = new Set();
const isTraceable = (file)=>!file.endsWith(".wasm");
for (const entrypoint of compilation.entrypoints.values()){
const entryFiles = new Set();
for (const chunk of entrypoint.getEntrypointChunk().getAllReferencedChunks()){
for (const file of chunk.files){
if (isTraceable(file)) {
const filePath = _path.default.join(outputPath, file);
chunksToTrace.add(filePath);
entryFiles.add(filePath);
}
}
for (const file2 of chunk.auxiliaryFiles){
if (isTraceable(file2)) {
const filePath = _path.default.join(outputPath, file2);
chunksToTrace.add(filePath);
entryFiles.add(filePath);
}
}
}
entryFilesMap.set(entrypoint, entryFiles);
}
const result = await (0, _nft).nodeFileTrace([
...chunksToTrace
], {
base: this.tracingRoot,
processCwd: this.appDir,
readFile: async (path)=>{
if (chunksToTrace.has(path)) {
var ref;
const source = (ref = assets[_path.default.relative(outputPath, path).replace(/\\/g, "/")]) == null ? void 0 : ref.source == null ? void 0 : ref.source();
if (source) return source;
}
try {
return await new Promise((resolve, reject)=>{
compilation.inputFileSystem.readFile(path, (err, data)=>{
if (err) return reject(err);
resolve(data);
});
});
} catch (e) {
if ((0, _isError).default(e) && (e.code === "ENOENT" || e.code === "EISDIR")) {
return null;
}
throw e;
}
},
readlink,
stat,
ignore: [
...TRACE_IGNORES,
...this.excludeFiles
],
mixedModules: true
});
const reasons = result.reasons;
const fileList = result.fileList;
result.esmFileList.forEach((file)=>fileList.add(file));
const parentFilesMap = getFilesMapFromReasons(fileList, reasons);
for (const [entrypoint1, entryFiles] of entryFilesMap){
const traceOutputName = `../${entrypoint1.name}.js.nft.json`;
const traceOutputPath = _path.default.dirname(_path.default.join(outputPath, traceOutputName));
const allEntryFiles = new Set();
entryFiles.forEach((file)=>{
var ref;
(ref = parentFilesMap.get(_path.default.relative(this.tracingRoot, file))) == null ? void 0 : ref.forEach((child)=>{
allEntryFiles.add(_path.default.join(this.tracingRoot, child));
});
});
// don't include the entry itself in the trace
entryFiles.delete(_path.default.join(outputPath, `../${entrypoint1.name}.js`));
assets[traceOutputName] = new _webpack.sources.RawSource(JSON.stringify({
version: _constants.TRACE_OUTPUT_VERSION,
files: [
...new Set([
...entryFiles,
...allEntryFiles,
...this.entryTraces.get(entrypoint1.name) || [],
]),
].map((file)=>{
return _path.default.relative(traceOutputPath, file).replace(/\\/g, "/");
})
}));
}
});
}
tapfinishModules(compilation, traceEntrypointsPluginSpan, doResolve, readlink, stat) {
compilation.hooks.finishModules.tapAsync(PLUGIN_NAME, async (_stats, callback)=>{
const finishModulesSpan = traceEntrypointsPluginSpan.traceChild("finish-modules");
await finishModulesSpan.traceAsyncFn(async ()=>{
// we create entry -> module maps so that we can
// look them up faster instead of having to iterate
// over the compilation modules list
const entryNameMap = new Map();
const entryModMap = new Map();
const additionalEntries = new Map();
const depModMap = new Map();
finishModulesSpan.traceChild("get-entries").traceFn(()=>{
compilation.entries.forEach((entry, name)=>{
if (name == null ? void 0 : name.replace(/\\/g, "/").startsWith("pages/")) {
for (const dep of entry.dependencies){
if (!dep) continue;
const entryMod = getModuleFromDependency(compilation, dep);
if (entryMod && entryMod.resource) {
if (entryMod.resource.replace(/\\/g, "/").includes("pages/")) {
entryNameMap.set(entryMod.resource, name);
entryModMap.set(entryMod.resource, entryMod);
} else {
let curMap = additionalEntries.get(name);
if (!curMap) {
curMap = new Map();
additionalEntries.set(name, curMap);
}
depModMap.set(entryMod.resource, entryMod);
curMap.set(entryMod.resource, entryMod);
}
}
}
}
});
});
const readFile = async (path)=>{
const mod = depModMap.get(path) || entryModMap.get(path);
// map the transpiled source when available to avoid
// parse errors in node-file-trace
const source = mod == null ? void 0 : mod.originalSource == null ? void 0 : mod.originalSource();
if (source) {
return source.buffer();
}
// we don't want to analyze non-transpiled
// files here, that is done against webpack output
return "";
};
const entryPaths = Array.from(entryModMap.keys());
const collectDependencies = (mod)=>{
if (!mod || !mod.dependencies) return;
for (const dep of mod.dependencies){
const depMod = getModuleFromDependency(compilation, dep);
if ((depMod == null ? void 0 : depMod.resource) && !depModMap.get(depMod.resource)) {
depModMap.set(depMod.resource, depMod);
collectDependencies(depMod);
}
}
};
const entriesToTrace = [
...entryPaths
];
entryPaths.forEach((entry)=>{
collectDependencies(entryModMap.get(entry));
const entryName = entryNameMap.get(entry);
const curExtraEntries = additionalEntries.get(entryName);
if (curExtraEntries) {
entriesToTrace.push(...curExtraEntries.keys());
}
});
let fileList;
let reasons;
await finishModulesSpan.traceChild("node-file-trace", {
traceEntryCount: entriesToTrace.length + ""
}).traceAsyncFn(async ()=>{
const result = await (0, _nft).nodeFileTrace(entriesToTrace, {
base: this.tracingRoot,
processCwd: this.appDir,
readFile,
readlink,
stat,
resolve: doResolve ? async (id, parent, job, isCjs)=>{
return doResolve(id, parent, job, !isCjs);
} : undefined,
ignore: [
...TRACE_IGNORES,
...this.excludeFiles,
"**/node_modules/**",
],
mixedModules: true
});
// @ts-ignore
fileList = result.fileList;
result.esmFileList.forEach((file)=>fileList.add(file));
reasons = result.reasons;
});
await finishModulesSpan.traceChild("collect-traced-files").traceAsyncFn(()=>{
const parentFilesMap = getFilesMapFromReasons(fileList, reasons, (file)=>{
var ref;
// if a file was imported and a loader handled it
// we don't include it in the trace e.g.
// static image imports, CSS imports
file = _path.default.join(this.tracingRoot, file);
const depMod = depModMap.get(file);
const isAsset = (ref = reasons.get(_path.default.relative(this.tracingRoot, file))) == null ? void 0 : ref.type.includes("asset");
return !isAsset && Array.isArray(depMod == null ? void 0 : depMod.loaders) && depMod.loaders.length > 0;
});
entryPaths.forEach((entry)=>{
var ref;
const entryName = entryNameMap.get(entry);
const normalizedEntry = _path.default.relative(this.tracingRoot, entry);
const curExtraEntries = additionalEntries.get(entryName);
const finalDeps = new Set();
(ref = parentFilesMap.get(normalizedEntry)) == null ? void 0 : ref.forEach((dep)=>{
finalDeps.add(_path.default.join(this.tracingRoot, dep));
});
if (curExtraEntries) {
for (const extraEntry of curExtraEntries.keys()){
var ref1;
const normalizedExtraEntry = _path.default.relative(this.tracingRoot, extraEntry);
finalDeps.add(extraEntry);
(ref1 = parentFilesMap.get(normalizedExtraEntry)) == null ? void 0 : ref1.forEach((dep)=>{
finalDeps.add(_path.default.join(this.tracingRoot, dep));
});
}
}
this.entryTraces.set(entryName, finalDeps);
});
});
}).then(()=>callback(), (err)=>callback(err));
});
}
apply(compiler) {
compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation)=>{
const readlink = async (path)=>{
try {
return await new Promise((resolve, reject)=>{
compilation.inputFileSystem.readlink(path, (err, link)=>{
if (err) return reject(err);
resolve(link);
});
});
} catch (e) {
if ((0, _isError).default(e) && (e.code === "EINVAL" || e.code === "ENOENT" || e.code === "UNKNOWN")) {
return null;
}
throw e;
}
};
const stat = async (path)=>{
try {
return await new Promise((resolve, reject)=>{
compilation.inputFileSystem.stat(path, (err, stats)=>{
if (err) return reject(err);
resolve(stats);
});
});
} catch (e) {
if ((0, _isError).default(e) && (e.code === "ENOENT" || e.code === "ENOTDIR")) {
return null;
}
throw e;
}
};
const compilationSpan = _profilingPlugin.spans.get(compilation) || _profilingPlugin.spans.get(compiler);
const traceEntrypointsPluginSpan = compilationSpan.traceChild("next-trace-entrypoint-plugin");
traceEntrypointsPluginSpan.traceFn(()=>{
// @ts-ignore TODO: Remove ignore when webpack 5 is stable
compilation.hooks.processAssets.tapAsync({
name: PLUGIN_NAME,
// @ts-ignore TODO: Remove ignore when webpack 5 is stable
stage: _webpack.webpack.Compilation.PROCESS_ASSETS_STAGE_SUMMARIZE
}, (assets, callback)=>{
this.createTraceAssets(compilation, assets, traceEntrypointsPluginSpan, readlink, stat).then(()=>callback()).catch((err)=>callback(err));
});
let resolver = compilation.resolverFactory.get("normal");
function getPkgName(name) {
const segments = name.split("/");
if (name[0] === "@" && segments.length > 1) return segments.length > 1 ? segments.slice(0, 2).join("/") : null;
return segments.length ? segments[0] : null;
}
const getResolve = (options)=>{
const curResolver = resolver.withOptions(options);
return (parent, request, job)=>{
return new Promise((resolve, reject)=>{
const context = _path.default.dirname(parent);
curResolver.resolve({}, context, request, {
fileDependencies: compilation.fileDependencies,
missingDependencies: compilation.missingDependencies,
contextDependencies: compilation.contextDependencies
}, async (err, result, resContext)=>{
if (err) return reject(err);
if (!result) {
return reject(new Error("module not found"));
}
// webpack resolver doesn't strip loader query info
// from the result so use path instead
if (result.includes("?") || result.includes("!")) {
result = (resContext == null ? void 0 : resContext.path) || result;
}
try {
// we need to collect all parent package.json's used
// as webpack's resolve doesn't expose this and parent
// package.json could be needed for resolving e.g. stylis
// stylis/package.json -> stylis/dist/umd/package.json
if (result.includes("node_modules")) {
let requestPath = result.replace(/\\/g, "/").replace(/\0/g, "");
if (!_path.default.isAbsolute(request) && request.includes("/") && (resContext == null ? void 0 : resContext.descriptionFileRoot)) {
var ref;
requestPath = (resContext.descriptionFileRoot + request.slice(((ref = getPkgName(request)) == null ? void 0 : ref.length) || 0) + _path.default.sep + "package.json").replace(/\\/g, "/").replace(/\0/g, "");
}
const rootSeparatorIndex = requestPath.indexOf("/");
let separatorIndex;
while((separatorIndex = requestPath.lastIndexOf("/")) > rootSeparatorIndex){
requestPath = requestPath.slice(0, separatorIndex);
const curPackageJsonPath = `${requestPath}/package.json`;
if (await job.isFile(curPackageJsonPath)) {
await job.emitFile(await job.realpath(curPackageJsonPath), "resolve", parent);
}
}
}
} catch (_err) {
// we failed to resolve the package.json boundary,
// we don't block emitting the initial asset from this
}
resolve([
result,
options.dependencyType === "esm"
]);
});
});
};
};
const CJS_RESOLVE_OPTIONS = {
..._webpackConfig.NODE_RESOLVE_OPTIONS,
fullySpecified: undefined,
modules: undefined,
extensions: undefined
};
const BASE_CJS_RESOLVE_OPTIONS = {
...CJS_RESOLVE_OPTIONS,
alias: false
};
const ESM_RESOLVE_OPTIONS = {
..._webpackConfig.NODE_ESM_RESOLVE_OPTIONS,
fullySpecified: undefined,
modules: undefined,
extensions: undefined
};
const BASE_ESM_RESOLVE_OPTIONS = {
...ESM_RESOLVE_OPTIONS,
alias: false
};
const doResolve = async (request, parent, job, isEsmRequested)=>{
const context = _path.default.dirname(parent);
// When in esm externals mode, and using import, we resolve with
// ESM resolving options.
const { res } = await (0, _webpackConfig).resolveExternal(this.appDir, this.esmExternals, context, request, isEsmRequested, (options)=>(_, resRequest)=>{
return getResolve(options)(parent, resRequest, job);
}, undefined, undefined, ESM_RESOLVE_OPTIONS, CJS_RESOLVE_OPTIONS, BASE_ESM_RESOLVE_OPTIONS, BASE_CJS_RESOLVE_OPTIONS);
if (!res) {
throw new Error(`failed to resolve ${request} from ${parent}`);
}
return res.replace(/\0/g, "");
};
this.tapfinishModules(compilation, traceEntrypointsPluginSpan, doResolve, readlink, stat);
});
});
}
}
exports.TraceEntryPointsPlugin = TraceEntryPointsPlugin;
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