3590 lines
103 KiB
JavaScript
3590 lines
103 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const { create: createResolver } = require("enhanced-resolve");
|
|
const nodeModule = require("module");
|
|
const asyncLib = require("neo-async");
|
|
const { isAbsolute } = require("path");
|
|
const AsyncQueue = require("./util/AsyncQueue");
|
|
const StackedCacheMap = require("./util/StackedCacheMap");
|
|
const createHash = require("./util/createHash");
|
|
const { join, dirname, relative, lstatReadlinkAbsolute } = require("./util/fs");
|
|
const makeSerializable = require("./util/makeSerializable");
|
|
const processAsyncTree = require("./util/processAsyncTree");
|
|
|
|
/** @typedef {import("./WebpackError")} WebpackError */
|
|
/** @typedef {import("./logging/Logger").Logger} Logger */
|
|
/** @typedef {typeof import("./util/Hash")} Hash */
|
|
/** @typedef {import("./util/fs").IStats} IStats */
|
|
/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
|
|
|
|
const supportsEsm = +process.versions.modules >= 83;
|
|
|
|
const builtinModules = new Set(nodeModule.builtinModules);
|
|
|
|
let FS_ACCURACY = 2000;
|
|
|
|
const EMPTY_SET = new Set();
|
|
|
|
const RBDT_RESOLVE_CJS = 0;
|
|
const RBDT_RESOLVE_ESM = 1;
|
|
const RBDT_RESOLVE_DIRECTORY = 2;
|
|
const RBDT_RESOLVE_CJS_FILE = 3;
|
|
const RBDT_RESOLVE_CJS_FILE_AS_CHILD = 4;
|
|
const RBDT_RESOLVE_ESM_FILE = 5;
|
|
const RBDT_DIRECTORY = 6;
|
|
const RBDT_FILE = 7;
|
|
const RBDT_DIRECTORY_DEPENDENCIES = 8;
|
|
const RBDT_FILE_DEPENDENCIES = 9;
|
|
|
|
const INVALID = Symbol("invalid");
|
|
|
|
/**
|
|
* @typedef {Object} FileSystemInfoEntry
|
|
* @property {number} safeTime
|
|
* @property {number=} timestamp
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} ResolvedContextFileSystemInfoEntry
|
|
* @property {number} safeTime
|
|
* @property {string=} timestampHash
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} ContextFileSystemInfoEntry
|
|
* @property {number} safeTime
|
|
* @property {string=} timestampHash
|
|
* @property {ResolvedContextFileSystemInfoEntry=} resolved
|
|
* @property {Set<string>=} symlinks
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} TimestampAndHash
|
|
* @property {number} safeTime
|
|
* @property {number=} timestamp
|
|
* @property {string} hash
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} ResolvedContextTimestampAndHash
|
|
* @property {number} safeTime
|
|
* @property {string=} timestampHash
|
|
* @property {string} hash
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} ContextTimestampAndHash
|
|
* @property {number} safeTime
|
|
* @property {string=} timestampHash
|
|
* @property {string} hash
|
|
* @property {ResolvedContextTimestampAndHash=} resolved
|
|
* @property {Set<string>=} symlinks
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} ContextHash
|
|
* @property {string} hash
|
|
* @property {string=} resolved
|
|
* @property {Set<string>=} symlinks
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} SnapshotOptimizationEntry
|
|
* @property {Snapshot} snapshot
|
|
* @property {number} shared
|
|
* @property {Set<string>} snapshotContent
|
|
* @property {Set<SnapshotOptimizationEntry>} children
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} ResolveBuildDependenciesResult
|
|
* @property {Set<string>} files list of files
|
|
* @property {Set<string>} directories list of directories
|
|
* @property {Set<string>} missing list of missing entries
|
|
* @property {Map<string, string | false>} resolveResults stored resolve results
|
|
* @property {Object} resolveDependencies dependencies of the resolving
|
|
* @property {Set<string>} resolveDependencies.files list of files
|
|
* @property {Set<string>} resolveDependencies.directories list of directories
|
|
* @property {Set<string>} resolveDependencies.missing list of missing entries
|
|
*/
|
|
|
|
const DONE_ITERATOR_RESULT = new Set().keys().next();
|
|
|
|
// cspell:word tshs
|
|
// Tsh = Timestamp + Hash
|
|
// Tshs = Timestamp + Hash combinations
|
|
|
|
class SnapshotIterator {
|
|
constructor(next) {
|
|
this.next = next;
|
|
}
|
|
}
|
|
|
|
class SnapshotIterable {
|
|
constructor(snapshot, getMaps) {
|
|
this.snapshot = snapshot;
|
|
this.getMaps = getMaps;
|
|
}
|
|
|
|
[Symbol.iterator]() {
|
|
let state = 0;
|
|
/** @type {IterableIterator<string>} */
|
|
let it;
|
|
/** @type {(Snapshot) => (Map<string, any> | Set<string>)[]} */
|
|
let getMaps;
|
|
/** @type {(Map<string, any> | Set<string>)[]} */
|
|
let maps;
|
|
/** @type {Snapshot} */
|
|
let snapshot;
|
|
let queue;
|
|
return new SnapshotIterator(() => {
|
|
for (;;) {
|
|
switch (state) {
|
|
case 0:
|
|
snapshot = this.snapshot;
|
|
getMaps = this.getMaps;
|
|
maps = getMaps(snapshot);
|
|
state = 1;
|
|
/* falls through */
|
|
case 1:
|
|
if (maps.length > 0) {
|
|
const map = maps.pop();
|
|
if (map !== undefined) {
|
|
it = map.keys();
|
|
state = 2;
|
|
} else {
|
|
break;
|
|
}
|
|
} else {
|
|
state = 3;
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 2: {
|
|
const result = it.next();
|
|
if (!result.done) return result;
|
|
state = 1;
|
|
break;
|
|
}
|
|
case 3: {
|
|
const children = snapshot.children;
|
|
if (children !== undefined) {
|
|
if (children.size === 1) {
|
|
// shortcut for a single child
|
|
// avoids allocation of queue
|
|
for (const child of children) snapshot = child;
|
|
maps = getMaps(snapshot);
|
|
state = 1;
|
|
break;
|
|
}
|
|
if (queue === undefined) queue = [];
|
|
for (const child of children) {
|
|
queue.push(child);
|
|
}
|
|
}
|
|
if (queue !== undefined && queue.length > 0) {
|
|
snapshot = queue.pop();
|
|
maps = getMaps(snapshot);
|
|
state = 1;
|
|
break;
|
|
} else {
|
|
state = 4;
|
|
}
|
|
}
|
|
/* falls through */
|
|
case 4:
|
|
return DONE_ITERATOR_RESULT;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
class Snapshot {
|
|
constructor() {
|
|
this._flags = 0;
|
|
/** @type {Iterable<string> | undefined} */
|
|
this._cachedFileIterable = undefined;
|
|
/** @type {Iterable<string> | undefined} */
|
|
this._cachedContextIterable = undefined;
|
|
/** @type {Iterable<string> | undefined} */
|
|
this._cachedMissingIterable = undefined;
|
|
/** @type {number | undefined} */
|
|
this.startTime = undefined;
|
|
/** @type {Map<string, FileSystemInfoEntry | null> | undefined} */
|
|
this.fileTimestamps = undefined;
|
|
/** @type {Map<string, string | null> | undefined} */
|
|
this.fileHashes = undefined;
|
|
/** @type {Map<string, TimestampAndHash | string | null> | undefined} */
|
|
this.fileTshs = undefined;
|
|
/** @type {Map<string, ResolvedContextFileSystemInfoEntry | null> | undefined} */
|
|
this.contextTimestamps = undefined;
|
|
/** @type {Map<string, string | null> | undefined} */
|
|
this.contextHashes = undefined;
|
|
/** @type {Map<string, ResolvedContextTimestampAndHash | null> | undefined} */
|
|
this.contextTshs = undefined;
|
|
/** @type {Map<string, boolean> | undefined} */
|
|
this.missingExistence = undefined;
|
|
/** @type {Map<string, string> | undefined} */
|
|
this.managedItemInfo = undefined;
|
|
/** @type {Set<string> | undefined} */
|
|
this.managedFiles = undefined;
|
|
/** @type {Set<string> | undefined} */
|
|
this.managedContexts = undefined;
|
|
/** @type {Set<string> | undefined} */
|
|
this.managedMissing = undefined;
|
|
/** @type {Set<Snapshot> | undefined} */
|
|
this.children = undefined;
|
|
}
|
|
|
|
hasStartTime() {
|
|
return (this._flags & 1) !== 0;
|
|
}
|
|
|
|
setStartTime(value) {
|
|
this._flags = this._flags | 1;
|
|
this.startTime = value;
|
|
}
|
|
|
|
setMergedStartTime(value, snapshot) {
|
|
if (value) {
|
|
if (snapshot.hasStartTime()) {
|
|
this.setStartTime(Math.min(value, snapshot.startTime));
|
|
} else {
|
|
this.setStartTime(value);
|
|
}
|
|
} else {
|
|
if (snapshot.hasStartTime()) this.setStartTime(snapshot.startTime);
|
|
}
|
|
}
|
|
|
|
hasFileTimestamps() {
|
|
return (this._flags & 2) !== 0;
|
|
}
|
|
|
|
setFileTimestamps(value) {
|
|
this._flags = this._flags | 2;
|
|
this.fileTimestamps = value;
|
|
}
|
|
|
|
hasFileHashes() {
|
|
return (this._flags & 4) !== 0;
|
|
}
|
|
|
|
setFileHashes(value) {
|
|
this._flags = this._flags | 4;
|
|
this.fileHashes = value;
|
|
}
|
|
|
|
hasFileTshs() {
|
|
return (this._flags & 8) !== 0;
|
|
}
|
|
|
|
setFileTshs(value) {
|
|
this._flags = this._flags | 8;
|
|
this.fileTshs = value;
|
|
}
|
|
|
|
hasContextTimestamps() {
|
|
return (this._flags & 0x10) !== 0;
|
|
}
|
|
|
|
setContextTimestamps(value) {
|
|
this._flags = this._flags | 0x10;
|
|
this.contextTimestamps = value;
|
|
}
|
|
|
|
hasContextHashes() {
|
|
return (this._flags & 0x20) !== 0;
|
|
}
|
|
|
|
setContextHashes(value) {
|
|
this._flags = this._flags | 0x20;
|
|
this.contextHashes = value;
|
|
}
|
|
|
|
hasContextTshs() {
|
|
return (this._flags & 0x40) !== 0;
|
|
}
|
|
|
|
setContextTshs(value) {
|
|
this._flags = this._flags | 0x40;
|
|
this.contextTshs = value;
|
|
}
|
|
|
|
hasMissingExistence() {
|
|
return (this._flags & 0x80) !== 0;
|
|
}
|
|
|
|
setMissingExistence(value) {
|
|
this._flags = this._flags | 0x80;
|
|
this.missingExistence = value;
|
|
}
|
|
|
|
hasManagedItemInfo() {
|
|
return (this._flags & 0x100) !== 0;
|
|
}
|
|
|
|
setManagedItemInfo(value) {
|
|
this._flags = this._flags | 0x100;
|
|
this.managedItemInfo = value;
|
|
}
|
|
|
|
hasManagedFiles() {
|
|
return (this._flags & 0x200) !== 0;
|
|
}
|
|
|
|
setManagedFiles(value) {
|
|
this._flags = this._flags | 0x200;
|
|
this.managedFiles = value;
|
|
}
|
|
|
|
hasManagedContexts() {
|
|
return (this._flags & 0x400) !== 0;
|
|
}
|
|
|
|
setManagedContexts(value) {
|
|
this._flags = this._flags | 0x400;
|
|
this.managedContexts = value;
|
|
}
|
|
|
|
hasManagedMissing() {
|
|
return (this._flags & 0x800) !== 0;
|
|
}
|
|
|
|
setManagedMissing(value) {
|
|
this._flags = this._flags | 0x800;
|
|
this.managedMissing = value;
|
|
}
|
|
|
|
hasChildren() {
|
|
return (this._flags & 0x1000) !== 0;
|
|
}
|
|
|
|
setChildren(value) {
|
|
this._flags = this._flags | 0x1000;
|
|
this.children = value;
|
|
}
|
|
|
|
addChild(child) {
|
|
if (!this.hasChildren()) {
|
|
this.setChildren(new Set());
|
|
}
|
|
this.children.add(child);
|
|
}
|
|
|
|
serialize({ write }) {
|
|
write(this._flags);
|
|
if (this.hasStartTime()) write(this.startTime);
|
|
if (this.hasFileTimestamps()) write(this.fileTimestamps);
|
|
if (this.hasFileHashes()) write(this.fileHashes);
|
|
if (this.hasFileTshs()) write(this.fileTshs);
|
|
if (this.hasContextTimestamps()) write(this.contextTimestamps);
|
|
if (this.hasContextHashes()) write(this.contextHashes);
|
|
if (this.hasContextTshs()) write(this.contextTshs);
|
|
if (this.hasMissingExistence()) write(this.missingExistence);
|
|
if (this.hasManagedItemInfo()) write(this.managedItemInfo);
|
|
if (this.hasManagedFiles()) write(this.managedFiles);
|
|
if (this.hasManagedContexts()) write(this.managedContexts);
|
|
if (this.hasManagedMissing()) write(this.managedMissing);
|
|
if (this.hasChildren()) write(this.children);
|
|
}
|
|
|
|
deserialize({ read }) {
|
|
this._flags = read();
|
|
if (this.hasStartTime()) this.startTime = read();
|
|
if (this.hasFileTimestamps()) this.fileTimestamps = read();
|
|
if (this.hasFileHashes()) this.fileHashes = read();
|
|
if (this.hasFileTshs()) this.fileTshs = read();
|
|
if (this.hasContextTimestamps()) this.contextTimestamps = read();
|
|
if (this.hasContextHashes()) this.contextHashes = read();
|
|
if (this.hasContextTshs()) this.contextTshs = read();
|
|
if (this.hasMissingExistence()) this.missingExistence = read();
|
|
if (this.hasManagedItemInfo()) this.managedItemInfo = read();
|
|
if (this.hasManagedFiles()) this.managedFiles = read();
|
|
if (this.hasManagedContexts()) this.managedContexts = read();
|
|
if (this.hasManagedMissing()) this.managedMissing = read();
|
|
if (this.hasChildren()) this.children = read();
|
|
}
|
|
|
|
/**
|
|
* @param {function(Snapshot): (ReadonlyMap<string, any> | ReadonlySet<string>)[]} getMaps first
|
|
* @returns {Iterable<string>} iterable
|
|
*/
|
|
_createIterable(getMaps) {
|
|
return new SnapshotIterable(this, getMaps);
|
|
}
|
|
|
|
/**
|
|
* @returns {Iterable<string>} iterable
|
|
*/
|
|
getFileIterable() {
|
|
if (this._cachedFileIterable === undefined) {
|
|
this._cachedFileIterable = this._createIterable(s => [
|
|
s.fileTimestamps,
|
|
s.fileHashes,
|
|
s.fileTshs,
|
|
s.managedFiles
|
|
]);
|
|
}
|
|
return this._cachedFileIterable;
|
|
}
|
|
|
|
/**
|
|
* @returns {Iterable<string>} iterable
|
|
*/
|
|
getContextIterable() {
|
|
if (this._cachedContextIterable === undefined) {
|
|
this._cachedContextIterable = this._createIterable(s => [
|
|
s.contextTimestamps,
|
|
s.contextHashes,
|
|
s.contextTshs,
|
|
s.managedContexts
|
|
]);
|
|
}
|
|
return this._cachedContextIterable;
|
|
}
|
|
|
|
/**
|
|
* @returns {Iterable<string>} iterable
|
|
*/
|
|
getMissingIterable() {
|
|
if (this._cachedMissingIterable === undefined) {
|
|
this._cachedMissingIterable = this._createIterable(s => [
|
|
s.missingExistence,
|
|
s.managedMissing
|
|
]);
|
|
}
|
|
return this._cachedMissingIterable;
|
|
}
|
|
}
|
|
|
|
makeSerializable(Snapshot, "webpack/lib/FileSystemInfo", "Snapshot");
|
|
|
|
const MIN_COMMON_SNAPSHOT_SIZE = 3;
|
|
|
|
/**
|
|
* @template T
|
|
*/
|
|
class SnapshotOptimization {
|
|
/**
|
|
* @param {function(Snapshot): boolean} has has value
|
|
* @param {function(Snapshot): Map<string, T> | Set<string>} get get value
|
|
* @param {function(Snapshot, Map<string, T> | Set<string>): void} set set value
|
|
* @param {boolean=} useStartTime use the start time of snapshots
|
|
* @param {boolean=} isSet value is an Set instead of a Map
|
|
*/
|
|
constructor(has, get, set, useStartTime = true, isSet = false) {
|
|
this._has = has;
|
|
this._get = get;
|
|
this._set = set;
|
|
this._useStartTime = useStartTime;
|
|
this._isSet = isSet;
|
|
/** @type {Map<string, SnapshotOptimizationEntry>} */
|
|
this._map = new Map();
|
|
this._statItemsShared = 0;
|
|
this._statItemsUnshared = 0;
|
|
this._statSharedSnapshots = 0;
|
|
this._statReusedSharedSnapshots = 0;
|
|
}
|
|
|
|
getStatisticMessage() {
|
|
const total = this._statItemsShared + this._statItemsUnshared;
|
|
if (total === 0) return undefined;
|
|
return `${
|
|
this._statItemsShared && Math.round((this._statItemsShared * 100) / total)
|
|
}% (${this._statItemsShared}/${total}) entries shared via ${
|
|
this._statSharedSnapshots
|
|
} shared snapshots (${
|
|
this._statReusedSharedSnapshots + this._statSharedSnapshots
|
|
} times referenced)`;
|
|
}
|
|
|
|
clear() {
|
|
this._map.clear();
|
|
this._statItemsShared = 0;
|
|
this._statItemsUnshared = 0;
|
|
this._statSharedSnapshots = 0;
|
|
this._statReusedSharedSnapshots = 0;
|
|
}
|
|
|
|
/**
|
|
* @param {Snapshot} newSnapshot snapshot
|
|
* @param {Set<string>} capturedFiles files to snapshot/share
|
|
* @returns {void}
|
|
*/
|
|
optimize(newSnapshot, capturedFiles) {
|
|
/**
|
|
* @param {SnapshotOptimizationEntry} entry optimization entry
|
|
* @returns {void}
|
|
*/
|
|
const increaseSharedAndStoreOptimizationEntry = entry => {
|
|
if (entry.children !== undefined) {
|
|
entry.children.forEach(increaseSharedAndStoreOptimizationEntry);
|
|
}
|
|
entry.shared++;
|
|
storeOptimizationEntry(entry);
|
|
};
|
|
/**
|
|
* @param {SnapshotOptimizationEntry} entry optimization entry
|
|
* @returns {void}
|
|
*/
|
|
const storeOptimizationEntry = entry => {
|
|
for (const path of entry.snapshotContent) {
|
|
const old = this._map.get(path);
|
|
if (old.shared < entry.shared) {
|
|
this._map.set(path, entry);
|
|
}
|
|
capturedFiles.delete(path);
|
|
}
|
|
};
|
|
|
|
/** @type {SnapshotOptimizationEntry} */
|
|
let newOptimizationEntry = undefined;
|
|
|
|
const capturedFilesSize = capturedFiles.size;
|
|
|
|
/** @type {Set<SnapshotOptimizationEntry> | undefined} */
|
|
const optimizationEntries = new Set();
|
|
|
|
for (const path of capturedFiles) {
|
|
const optimizationEntry = this._map.get(path);
|
|
if (optimizationEntry === undefined) {
|
|
if (newOptimizationEntry === undefined) {
|
|
newOptimizationEntry = {
|
|
snapshot: newSnapshot,
|
|
shared: 0,
|
|
snapshotContent: undefined,
|
|
children: undefined
|
|
};
|
|
}
|
|
this._map.set(path, newOptimizationEntry);
|
|
continue;
|
|
} else {
|
|
optimizationEntries.add(optimizationEntry);
|
|
}
|
|
}
|
|
|
|
optimizationEntries: for (const optimizationEntry of optimizationEntries) {
|
|
const snapshot = optimizationEntry.snapshot;
|
|
if (optimizationEntry.shared > 0) {
|
|
// It's a shared snapshot
|
|
// We can't change it, so we can only use it when all files match
|
|
// and startTime is compatible
|
|
if (
|
|
this._useStartTime &&
|
|
newSnapshot.startTime &&
|
|
(!snapshot.startTime || snapshot.startTime > newSnapshot.startTime)
|
|
) {
|
|
continue;
|
|
}
|
|
const nonSharedFiles = new Set();
|
|
const snapshotContent = optimizationEntry.snapshotContent;
|
|
const snapshotEntries = this._get(snapshot);
|
|
for (const path of snapshotContent) {
|
|
if (!capturedFiles.has(path)) {
|
|
if (!snapshotEntries.has(path)) {
|
|
// File is not shared and can't be removed from the snapshot
|
|
// because it's in a child of the snapshot
|
|
continue optimizationEntries;
|
|
}
|
|
nonSharedFiles.add(path);
|
|
continue;
|
|
}
|
|
}
|
|
if (nonSharedFiles.size === 0) {
|
|
// The complete snapshot is shared
|
|
// add it as child
|
|
newSnapshot.addChild(snapshot);
|
|
increaseSharedAndStoreOptimizationEntry(optimizationEntry);
|
|
this._statReusedSharedSnapshots++;
|
|
} else {
|
|
// Only a part of the snapshot is shared
|
|
const sharedCount = snapshotContent.size - nonSharedFiles.size;
|
|
if (sharedCount < MIN_COMMON_SNAPSHOT_SIZE) {
|
|
// Common part it too small
|
|
continue optimizationEntries;
|
|
}
|
|
// Extract common timestamps from both snapshots
|
|
let commonMap;
|
|
if (this._isSet) {
|
|
commonMap = new Set();
|
|
for (const path of /** @type {Set<string>} */ (snapshotEntries)) {
|
|
if (nonSharedFiles.has(path)) continue;
|
|
commonMap.add(path);
|
|
snapshotEntries.delete(path);
|
|
}
|
|
} else {
|
|
commonMap = new Map();
|
|
const map = /** @type {Map<string, T>} */ (snapshotEntries);
|
|
for (const [path, value] of map) {
|
|
if (nonSharedFiles.has(path)) continue;
|
|
commonMap.set(path, value);
|
|
snapshotEntries.delete(path);
|
|
}
|
|
}
|
|
// Create and attach snapshot
|
|
const commonSnapshot = new Snapshot();
|
|
if (this._useStartTime) {
|
|
commonSnapshot.setMergedStartTime(newSnapshot.startTime, snapshot);
|
|
}
|
|
this._set(commonSnapshot, commonMap);
|
|
newSnapshot.addChild(commonSnapshot);
|
|
snapshot.addChild(commonSnapshot);
|
|
// Create optimization entry
|
|
const newEntry = {
|
|
snapshot: commonSnapshot,
|
|
shared: optimizationEntry.shared + 1,
|
|
snapshotContent: new Set(commonMap.keys()),
|
|
children: undefined
|
|
};
|
|
if (optimizationEntry.children === undefined)
|
|
optimizationEntry.children = new Set();
|
|
optimizationEntry.children.add(newEntry);
|
|
storeOptimizationEntry(newEntry);
|
|
this._statSharedSnapshots++;
|
|
}
|
|
} else {
|
|
// It's a unshared snapshot
|
|
// We can extract a common shared snapshot
|
|
// with all common files
|
|
const snapshotEntries = this._get(snapshot);
|
|
if (snapshotEntries === undefined) {
|
|
// Incomplete snapshot, that can't be used
|
|
continue optimizationEntries;
|
|
}
|
|
let commonMap;
|
|
if (this._isSet) {
|
|
commonMap = new Set();
|
|
const set = /** @type {Set<string>} */ (snapshotEntries);
|
|
if (capturedFiles.size < set.size) {
|
|
for (const path of capturedFiles) {
|
|
if (set.has(path)) commonMap.add(path);
|
|
}
|
|
} else {
|
|
for (const path of set) {
|
|
if (capturedFiles.has(path)) commonMap.add(path);
|
|
}
|
|
}
|
|
} else {
|
|
commonMap = new Map();
|
|
const map = /** @type {Map<string, T>} */ (snapshotEntries);
|
|
for (const path of capturedFiles) {
|
|
const ts = map.get(path);
|
|
if (ts === undefined) continue;
|
|
commonMap.set(path, ts);
|
|
}
|
|
}
|
|
|
|
if (commonMap.size < MIN_COMMON_SNAPSHOT_SIZE) {
|
|
// Common part it too small
|
|
continue optimizationEntries;
|
|
}
|
|
// Create and attach snapshot
|
|
const commonSnapshot = new Snapshot();
|
|
if (this._useStartTime) {
|
|
commonSnapshot.setMergedStartTime(newSnapshot.startTime, snapshot);
|
|
}
|
|
this._set(commonSnapshot, commonMap);
|
|
newSnapshot.addChild(commonSnapshot);
|
|
snapshot.addChild(commonSnapshot);
|
|
// Remove files from snapshot
|
|
for (const path of commonMap.keys()) snapshotEntries.delete(path);
|
|
const sharedCount = commonMap.size;
|
|
this._statItemsUnshared -= sharedCount;
|
|
this._statItemsShared += sharedCount;
|
|
// Create optimization entry
|
|
storeOptimizationEntry({
|
|
snapshot: commonSnapshot,
|
|
shared: 2,
|
|
snapshotContent: new Set(commonMap.keys()),
|
|
children: undefined
|
|
});
|
|
this._statSharedSnapshots++;
|
|
}
|
|
}
|
|
const unshared = capturedFiles.size;
|
|
this._statItemsUnshared += unshared;
|
|
this._statItemsShared += capturedFilesSize - unshared;
|
|
}
|
|
}
|
|
|
|
const parseString = str => {
|
|
if (str[0] === "'") str = `"${str.slice(1, -1).replace(/"/g, '\\"')}"`;
|
|
return JSON.parse(str);
|
|
};
|
|
|
|
/* istanbul ignore next */
|
|
/**
|
|
* @param {number} mtime mtime
|
|
*/
|
|
const applyMtime = mtime => {
|
|
if (FS_ACCURACY > 1 && mtime % 2 !== 0) FS_ACCURACY = 1;
|
|
else if (FS_ACCURACY > 10 && mtime % 20 !== 0) FS_ACCURACY = 10;
|
|
else if (FS_ACCURACY > 100 && mtime % 200 !== 0) FS_ACCURACY = 100;
|
|
else if (FS_ACCURACY > 1000 && mtime % 2000 !== 0) FS_ACCURACY = 1000;
|
|
};
|
|
|
|
/**
|
|
* @template T
|
|
* @template K
|
|
* @param {Map<T, K>} a source map
|
|
* @param {Map<T, K>} b joining map
|
|
* @returns {Map<T, K>} joined map
|
|
*/
|
|
const mergeMaps = (a, b) => {
|
|
if (!b || b.size === 0) return a;
|
|
if (!a || a.size === 0) return b;
|
|
const map = new Map(a);
|
|
for (const [key, value] of b) {
|
|
map.set(key, value);
|
|
}
|
|
return map;
|
|
};
|
|
|
|
/**
|
|
* @template T
|
|
* @template K
|
|
* @param {Set<T, K>} a source map
|
|
* @param {Set<T, K>} b joining map
|
|
* @returns {Set<T, K>} joined map
|
|
*/
|
|
const mergeSets = (a, b) => {
|
|
if (!b || b.size === 0) return a;
|
|
if (!a || a.size === 0) return b;
|
|
const map = new Set(a);
|
|
for (const item of b) {
|
|
map.add(item);
|
|
}
|
|
return map;
|
|
};
|
|
|
|
/**
|
|
* Finding file or directory to manage
|
|
* @param {string} managedPath path that is managing by {@link FileSystemInfo}
|
|
* @param {string} path path to file or directory
|
|
* @returns {string|null} managed item
|
|
* @example
|
|
* getManagedItem(
|
|
* '/Users/user/my-project/node_modules/',
|
|
* '/Users/user/my-project/node_modules/package/index.js'
|
|
* ) === '/Users/user/my-project/node_modules/package'
|
|
* getManagedItem(
|
|
* '/Users/user/my-project/node_modules/',
|
|
* '/Users/user/my-project/node_modules/package1/node_modules/package2'
|
|
* ) === '/Users/user/my-project/node_modules/package1/node_modules/package2'
|
|
* getManagedItem(
|
|
* '/Users/user/my-project/node_modules/',
|
|
* '/Users/user/my-project/node_modules/.bin/script.js'
|
|
* ) === null // hidden files are disallowed as managed items
|
|
* getManagedItem(
|
|
* '/Users/user/my-project/node_modules/',
|
|
* '/Users/user/my-project/node_modules/package'
|
|
* ) === '/Users/user/my-project/node_modules/package'
|
|
*/
|
|
const getManagedItem = (managedPath, path) => {
|
|
let i = managedPath.length;
|
|
let slashes = 1;
|
|
let startingPosition = true;
|
|
loop: while (i < path.length) {
|
|
switch (path.charCodeAt(i)) {
|
|
case 47: // slash
|
|
case 92: // backslash
|
|
if (--slashes === 0) break loop;
|
|
startingPosition = true;
|
|
break;
|
|
case 46: // .
|
|
// hidden files are disallowed as managed items
|
|
// it's probably .yarn-integrity or .cache
|
|
if (startingPosition) return null;
|
|
break;
|
|
case 64: // @
|
|
if (!startingPosition) return null;
|
|
slashes++;
|
|
break;
|
|
default:
|
|
startingPosition = false;
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
if (i === path.length) slashes--;
|
|
// return null when path is incomplete
|
|
if (slashes !== 0) return null;
|
|
// if (path.slice(i + 1, i + 13) === "node_modules")
|
|
if (
|
|
path.length >= i + 13 &&
|
|
path.charCodeAt(i + 1) === 110 &&
|
|
path.charCodeAt(i + 2) === 111 &&
|
|
path.charCodeAt(i + 3) === 100 &&
|
|
path.charCodeAt(i + 4) === 101 &&
|
|
path.charCodeAt(i + 5) === 95 &&
|
|
path.charCodeAt(i + 6) === 109 &&
|
|
path.charCodeAt(i + 7) === 111 &&
|
|
path.charCodeAt(i + 8) === 100 &&
|
|
path.charCodeAt(i + 9) === 117 &&
|
|
path.charCodeAt(i + 10) === 108 &&
|
|
path.charCodeAt(i + 11) === 101 &&
|
|
path.charCodeAt(i + 12) === 115
|
|
) {
|
|
// if this is the end of the path
|
|
if (path.length === i + 13) {
|
|
// return the node_modules directory
|
|
// it's special
|
|
return path;
|
|
}
|
|
const c = path.charCodeAt(i + 13);
|
|
// if next symbol is slash or backslash
|
|
if (c === 47 || c === 92) {
|
|
// Managed subpath
|
|
return getManagedItem(path.slice(0, i + 14), path);
|
|
}
|
|
}
|
|
return path.slice(0, i);
|
|
};
|
|
|
|
/**
|
|
* @template {ContextFileSystemInfoEntry | ContextTimestampAndHash} T
|
|
* @param {T} entry entry
|
|
* @returns {T["resolved"] | undefined} the resolved entry
|
|
*/
|
|
const getResolvedTimestamp = entry => {
|
|
if (entry === null) return null;
|
|
if (entry.resolved !== undefined) return entry.resolved;
|
|
return entry.symlinks === undefined ? entry : undefined;
|
|
};
|
|
|
|
/**
|
|
* @param {ContextHash} entry entry
|
|
* @returns {string | undefined} the resolved entry
|
|
*/
|
|
const getResolvedHash = entry => {
|
|
if (entry === null) return null;
|
|
if (entry.resolved !== undefined) return entry.resolved;
|
|
return entry.symlinks === undefined ? entry.hash : undefined;
|
|
};
|
|
|
|
const addAll = (source, target) => {
|
|
for (const key of source) target.add(key);
|
|
};
|
|
|
|
/**
|
|
* Used to access information about the filesystem in a cached way
|
|
*/
|
|
class FileSystemInfo {
|
|
/**
|
|
* @param {InputFileSystem} fs file system
|
|
* @param {Object} options options
|
|
* @param {Iterable<string | RegExp>=} options.managedPaths paths that are only managed by a package manager
|
|
* @param {Iterable<string | RegExp>=} options.immutablePaths paths that are immutable
|
|
* @param {Logger=} options.logger logger used to log invalid snapshots
|
|
* @param {string | Hash=} options.hashFunction the hash function to use
|
|
*/
|
|
constructor(
|
|
fs,
|
|
{
|
|
managedPaths = [],
|
|
immutablePaths = [],
|
|
logger,
|
|
hashFunction = "md4"
|
|
} = {}
|
|
) {
|
|
this.fs = fs;
|
|
this.logger = logger;
|
|
this._remainingLogs = logger ? 40 : 0;
|
|
this._loggedPaths = logger ? new Set() : undefined;
|
|
this._hashFunction = hashFunction;
|
|
/** @type {WeakMap<Snapshot, boolean | (function(WebpackError=, boolean=): void)[]>} */
|
|
this._snapshotCache = new WeakMap();
|
|
this._fileTimestampsOptimization = new SnapshotOptimization(
|
|
s => s.hasFileTimestamps(),
|
|
s => s.fileTimestamps,
|
|
(s, v) => s.setFileTimestamps(v)
|
|
);
|
|
this._fileHashesOptimization = new SnapshotOptimization(
|
|
s => s.hasFileHashes(),
|
|
s => s.fileHashes,
|
|
(s, v) => s.setFileHashes(v),
|
|
false
|
|
);
|
|
this._fileTshsOptimization = new SnapshotOptimization(
|
|
s => s.hasFileTshs(),
|
|
s => s.fileTshs,
|
|
(s, v) => s.setFileTshs(v)
|
|
);
|
|
this._contextTimestampsOptimization = new SnapshotOptimization(
|
|
s => s.hasContextTimestamps(),
|
|
s => s.contextTimestamps,
|
|
(s, v) => s.setContextTimestamps(v)
|
|
);
|
|
this._contextHashesOptimization = new SnapshotOptimization(
|
|
s => s.hasContextHashes(),
|
|
s => s.contextHashes,
|
|
(s, v) => s.setContextHashes(v),
|
|
false
|
|
);
|
|
this._contextTshsOptimization = new SnapshotOptimization(
|
|
s => s.hasContextTshs(),
|
|
s => s.contextTshs,
|
|
(s, v) => s.setContextTshs(v)
|
|
);
|
|
this._missingExistenceOptimization = new SnapshotOptimization(
|
|
s => s.hasMissingExistence(),
|
|
s => s.missingExistence,
|
|
(s, v) => s.setMissingExistence(v),
|
|
false
|
|
);
|
|
this._managedItemInfoOptimization = new SnapshotOptimization(
|
|
s => s.hasManagedItemInfo(),
|
|
s => s.managedItemInfo,
|
|
(s, v) => s.setManagedItemInfo(v),
|
|
false
|
|
);
|
|
this._managedFilesOptimization = new SnapshotOptimization(
|
|
s => s.hasManagedFiles(),
|
|
s => s.managedFiles,
|
|
(s, v) => s.setManagedFiles(v),
|
|
false,
|
|
true
|
|
);
|
|
this._managedContextsOptimization = new SnapshotOptimization(
|
|
s => s.hasManagedContexts(),
|
|
s => s.managedContexts,
|
|
(s, v) => s.setManagedContexts(v),
|
|
false,
|
|
true
|
|
);
|
|
this._managedMissingOptimization = new SnapshotOptimization(
|
|
s => s.hasManagedMissing(),
|
|
s => s.managedMissing,
|
|
(s, v) => s.setManagedMissing(v),
|
|
false,
|
|
true
|
|
);
|
|
/** @type {StackedCacheMap<string, FileSystemInfoEntry | "ignore" | null>} */
|
|
this._fileTimestamps = new StackedCacheMap();
|
|
/** @type {Map<string, string>} */
|
|
this._fileHashes = new Map();
|
|
/** @type {Map<string, TimestampAndHash | string>} */
|
|
this._fileTshs = new Map();
|
|
/** @type {StackedCacheMap<string, ContextFileSystemInfoEntry | "ignore" | null>} */
|
|
this._contextTimestamps = new StackedCacheMap();
|
|
/** @type {Map<string, ContextHash>} */
|
|
this._contextHashes = new Map();
|
|
/** @type {Map<string, ContextTimestampAndHash>} */
|
|
this._contextTshs = new Map();
|
|
/** @type {Map<string, string>} */
|
|
this._managedItems = new Map();
|
|
/** @type {AsyncQueue<string, string, FileSystemInfoEntry | null>} */
|
|
this.fileTimestampQueue = new AsyncQueue({
|
|
name: "file timestamp",
|
|
parallelism: 30,
|
|
processor: this._readFileTimestamp.bind(this)
|
|
});
|
|
/** @type {AsyncQueue<string, string, string | null>} */
|
|
this.fileHashQueue = new AsyncQueue({
|
|
name: "file hash",
|
|
parallelism: 10,
|
|
processor: this._readFileHash.bind(this)
|
|
});
|
|
/** @type {AsyncQueue<string, string, ContextFileSystemInfoEntry | null>} */
|
|
this.contextTimestampQueue = new AsyncQueue({
|
|
name: "context timestamp",
|
|
parallelism: 2,
|
|
processor: this._readContextTimestamp.bind(this)
|
|
});
|
|
/** @type {AsyncQueue<string, string, ContextHash | null>} */
|
|
this.contextHashQueue = new AsyncQueue({
|
|
name: "context hash",
|
|
parallelism: 2,
|
|
processor: this._readContextHash.bind(this)
|
|
});
|
|
/** @type {AsyncQueue<string, string, ContextTimestampAndHash | null>} */
|
|
this.contextTshQueue = new AsyncQueue({
|
|
name: "context hash and timestamp",
|
|
parallelism: 2,
|
|
processor: this._readContextTimestampAndHash.bind(this)
|
|
});
|
|
/** @type {AsyncQueue<string, string, string | null>} */
|
|
this.managedItemQueue = new AsyncQueue({
|
|
name: "managed item info",
|
|
parallelism: 10,
|
|
processor: this._getManagedItemInfo.bind(this)
|
|
});
|
|
/** @type {AsyncQueue<string, string, Set<string>>} */
|
|
this.managedItemDirectoryQueue = new AsyncQueue({
|
|
name: "managed item directory info",
|
|
parallelism: 10,
|
|
processor: this._getManagedItemDirectoryInfo.bind(this)
|
|
});
|
|
this.managedPaths = Array.from(managedPaths);
|
|
this.managedPathsWithSlash = /** @type {string[]} */ (
|
|
this.managedPaths.filter(p => typeof p === "string")
|
|
).map(p => join(fs, p, "_").slice(0, -1));
|
|
|
|
this.managedPathsRegExps = /** @type {RegExp[]} */ (
|
|
this.managedPaths.filter(p => typeof p !== "string")
|
|
);
|
|
this.immutablePaths = Array.from(immutablePaths);
|
|
this.immutablePathsWithSlash = /** @type {string[]} */ (
|
|
this.immutablePaths.filter(p => typeof p === "string")
|
|
).map(p => join(fs, p, "_").slice(0, -1));
|
|
this.immutablePathsRegExps = /** @type {RegExp[]} */ (
|
|
this.immutablePaths.filter(p => typeof p !== "string")
|
|
);
|
|
|
|
this._cachedDeprecatedFileTimestamps = undefined;
|
|
this._cachedDeprecatedContextTimestamps = undefined;
|
|
|
|
this._warnAboutExperimentalEsmTracking = false;
|
|
|
|
this._statCreatedSnapshots = 0;
|
|
this._statTestedSnapshotsCached = 0;
|
|
this._statTestedSnapshotsNotCached = 0;
|
|
this._statTestedChildrenCached = 0;
|
|
this._statTestedChildrenNotCached = 0;
|
|
this._statTestedEntries = 0;
|
|
}
|
|
|
|
logStatistics() {
|
|
const logWhenMessage = (header, message) => {
|
|
if (message) {
|
|
this.logger.log(`${header}: ${message}`);
|
|
}
|
|
};
|
|
this.logger.log(`${this._statCreatedSnapshots} new snapshots created`);
|
|
this.logger.log(
|
|
`${
|
|
this._statTestedSnapshotsNotCached &&
|
|
Math.round(
|
|
(this._statTestedSnapshotsNotCached * 100) /
|
|
(this._statTestedSnapshotsCached +
|
|
this._statTestedSnapshotsNotCached)
|
|
)
|
|
}% root snapshot uncached (${this._statTestedSnapshotsNotCached} / ${
|
|
this._statTestedSnapshotsCached + this._statTestedSnapshotsNotCached
|
|
})`
|
|
);
|
|
this.logger.log(
|
|
`${
|
|
this._statTestedChildrenNotCached &&
|
|
Math.round(
|
|
(this._statTestedChildrenNotCached * 100) /
|
|
(this._statTestedChildrenCached + this._statTestedChildrenNotCached)
|
|
)
|
|
}% children snapshot uncached (${this._statTestedChildrenNotCached} / ${
|
|
this._statTestedChildrenCached + this._statTestedChildrenNotCached
|
|
})`
|
|
);
|
|
this.logger.log(`${this._statTestedEntries} entries tested`);
|
|
this.logger.log(
|
|
`File info in cache: ${this._fileTimestamps.size} timestamps ${this._fileHashes.size} hashes ${this._fileTshs.size} timestamp hash combinations`
|
|
);
|
|
logWhenMessage(
|
|
`File timestamp snapshot optimization`,
|
|
this._fileTimestampsOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`File hash snapshot optimization`,
|
|
this._fileHashesOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`File timestamp hash combination snapshot optimization`,
|
|
this._fileTshsOptimization.getStatisticMessage()
|
|
);
|
|
this.logger.log(
|
|
`Directory info in cache: ${this._contextTimestamps.size} timestamps ${this._contextHashes.size} hashes ${this._contextTshs.size} timestamp hash combinations`
|
|
);
|
|
logWhenMessage(
|
|
`Directory timestamp snapshot optimization`,
|
|
this._contextTimestampsOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`Directory hash snapshot optimization`,
|
|
this._contextHashesOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`Directory timestamp hash combination snapshot optimization`,
|
|
this._contextTshsOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`Missing items snapshot optimization`,
|
|
this._missingExistenceOptimization.getStatisticMessage()
|
|
);
|
|
this.logger.log(
|
|
`Managed items info in cache: ${this._managedItems.size} items`
|
|
);
|
|
logWhenMessage(
|
|
`Managed items snapshot optimization`,
|
|
this._managedItemInfoOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`Managed files snapshot optimization`,
|
|
this._managedFilesOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`Managed contexts snapshot optimization`,
|
|
this._managedContextsOptimization.getStatisticMessage()
|
|
);
|
|
logWhenMessage(
|
|
`Managed missing snapshot optimization`,
|
|
this._managedMissingOptimization.getStatisticMessage()
|
|
);
|
|
}
|
|
|
|
_log(path, reason, ...args) {
|
|
const key = path + reason;
|
|
if (this._loggedPaths.has(key)) return;
|
|
this._loggedPaths.add(key);
|
|
this.logger.debug(`${path} invalidated because ${reason}`, ...args);
|
|
if (--this._remainingLogs === 0) {
|
|
this.logger.debug(
|
|
"Logging limit has been reached and no further logging will be emitted by FileSystemInfo"
|
|
);
|
|
}
|
|
}
|
|
|
|
clear() {
|
|
this._remainingLogs = this.logger ? 40 : 0;
|
|
if (this._loggedPaths !== undefined) this._loggedPaths.clear();
|
|
|
|
this._snapshotCache = new WeakMap();
|
|
this._fileTimestampsOptimization.clear();
|
|
this._fileHashesOptimization.clear();
|
|
this._fileTshsOptimization.clear();
|
|
this._contextTimestampsOptimization.clear();
|
|
this._contextHashesOptimization.clear();
|
|
this._contextTshsOptimization.clear();
|
|
this._missingExistenceOptimization.clear();
|
|
this._managedItemInfoOptimization.clear();
|
|
this._managedFilesOptimization.clear();
|
|
this._managedContextsOptimization.clear();
|
|
this._managedMissingOptimization.clear();
|
|
this._fileTimestamps.clear();
|
|
this._fileHashes.clear();
|
|
this._fileTshs.clear();
|
|
this._contextTimestamps.clear();
|
|
this._contextHashes.clear();
|
|
this._contextTshs.clear();
|
|
this._managedItems.clear();
|
|
this._managedItems.clear();
|
|
|
|
this._cachedDeprecatedFileTimestamps = undefined;
|
|
this._cachedDeprecatedContextTimestamps = undefined;
|
|
|
|
this._statCreatedSnapshots = 0;
|
|
this._statTestedSnapshotsCached = 0;
|
|
this._statTestedSnapshotsNotCached = 0;
|
|
this._statTestedChildrenCached = 0;
|
|
this._statTestedChildrenNotCached = 0;
|
|
this._statTestedEntries = 0;
|
|
}
|
|
|
|
/**
|
|
* @param {ReadonlyMap<string, FileSystemInfoEntry | "ignore" | null>} map timestamps
|
|
* @param {boolean=} immutable if 'map' is immutable and FileSystemInfo can keep referencing it
|
|
* @returns {void}
|
|
*/
|
|
addFileTimestamps(map, immutable) {
|
|
this._fileTimestamps.addAll(map, immutable);
|
|
this._cachedDeprecatedFileTimestamps = undefined;
|
|
}
|
|
|
|
/**
|
|
* @param {ReadonlyMap<string, FileSystemInfoEntry | "ignore" | null>} map timestamps
|
|
* @param {boolean=} immutable if 'map' is immutable and FileSystemInfo can keep referencing it
|
|
* @returns {void}
|
|
*/
|
|
addContextTimestamps(map, immutable) {
|
|
this._contextTimestamps.addAll(map, immutable);
|
|
this._cachedDeprecatedContextTimestamps = undefined;
|
|
}
|
|
|
|
/**
|
|
* @param {string} path file path
|
|
* @param {function((WebpackError | null)=, (FileSystemInfoEntry | "ignore" | null)=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
getFileTimestamp(path, callback) {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) return callback(null, cache);
|
|
this.fileTimestampQueue.add(path, callback);
|
|
}
|
|
|
|
/**
|
|
* @param {string} path context path
|
|
* @param {function((WebpackError | null)=, (ResolvedContextFileSystemInfoEntry | "ignore" | null)=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
getContextTimestamp(path, callback) {
|
|
const cache = this._contextTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache === "ignore") return callback(null, "ignore");
|
|
const resolved = getResolvedTimestamp(cache);
|
|
if (resolved !== undefined) return callback(null, resolved);
|
|
return this._resolveContextTimestamp(cache, callback);
|
|
}
|
|
this.contextTimestampQueue.add(path, (err, entry) => {
|
|
if (err) return callback(err);
|
|
const resolved = getResolvedTimestamp(entry);
|
|
if (resolved !== undefined) return callback(null, resolved);
|
|
this._resolveContextTimestamp(entry, callback);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {string} path context path
|
|
* @param {function((WebpackError | null)=, (ContextFileSystemInfoEntry | "ignore" | null)=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
_getUnresolvedContextTimestamp(path, callback) {
|
|
const cache = this._contextTimestamps.get(path);
|
|
if (cache !== undefined) return callback(null, cache);
|
|
this.contextTimestampQueue.add(path, callback);
|
|
}
|
|
|
|
/**
|
|
* @param {string} path file path
|
|
* @param {function((WebpackError | null)=, string=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
getFileHash(path, callback) {
|
|
const cache = this._fileHashes.get(path);
|
|
if (cache !== undefined) return callback(null, cache);
|
|
this.fileHashQueue.add(path, callback);
|
|
}
|
|
|
|
/**
|
|
* @param {string} path context path
|
|
* @param {function((WebpackError | null)=, string=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
getContextHash(path, callback) {
|
|
const cache = this._contextHashes.get(path);
|
|
if (cache !== undefined) {
|
|
const resolved = getResolvedHash(cache);
|
|
if (resolved !== undefined) return callback(null, resolved);
|
|
return this._resolveContextHash(cache, callback);
|
|
}
|
|
this.contextHashQueue.add(path, (err, entry) => {
|
|
if (err) return callback(err);
|
|
const resolved = getResolvedHash(entry);
|
|
if (resolved !== undefined) return callback(null, resolved);
|
|
this._resolveContextHash(entry, callback);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {string} path context path
|
|
* @param {function((WebpackError | null)=, ContextHash=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
_getUnresolvedContextHash(path, callback) {
|
|
const cache = this._contextHashes.get(path);
|
|
if (cache !== undefined) return callback(null, cache);
|
|
this.contextHashQueue.add(path, callback);
|
|
}
|
|
|
|
/**
|
|
* @param {string} path context path
|
|
* @param {function((WebpackError | null)=, ResolvedContextTimestampAndHash=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
getContextTsh(path, callback) {
|
|
const cache = this._contextTshs.get(path);
|
|
if (cache !== undefined) {
|
|
const resolved = getResolvedTimestamp(cache);
|
|
if (resolved !== undefined) return callback(null, resolved);
|
|
return this._resolveContextTsh(cache, callback);
|
|
}
|
|
this.contextTshQueue.add(path, (err, entry) => {
|
|
if (err) return callback(err);
|
|
const resolved = getResolvedTimestamp(entry);
|
|
if (resolved !== undefined) return callback(null, resolved);
|
|
this._resolveContextTsh(entry, callback);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {string} path context path
|
|
* @param {function((WebpackError | null)=, ContextTimestampAndHash=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
_getUnresolvedContextTsh(path, callback) {
|
|
const cache = this._contextTshs.get(path);
|
|
if (cache !== undefined) return callback(null, cache);
|
|
this.contextTshQueue.add(path, callback);
|
|
}
|
|
|
|
_createBuildDependenciesResolvers() {
|
|
const resolveContext = createResolver({
|
|
resolveToContext: true,
|
|
exportsFields: [],
|
|
fileSystem: this.fs
|
|
});
|
|
const resolveCjs = createResolver({
|
|
extensions: [".js", ".json", ".node"],
|
|
conditionNames: ["require", "node"],
|
|
exportsFields: ["exports"],
|
|
fileSystem: this.fs
|
|
});
|
|
const resolveCjsAsChild = createResolver({
|
|
extensions: [".js", ".json", ".node"],
|
|
conditionNames: ["require", "node"],
|
|
exportsFields: [],
|
|
fileSystem: this.fs
|
|
});
|
|
const resolveEsm = createResolver({
|
|
extensions: [".js", ".json", ".node"],
|
|
fullySpecified: true,
|
|
conditionNames: ["import", "node"],
|
|
exportsFields: ["exports"],
|
|
fileSystem: this.fs
|
|
});
|
|
return { resolveContext, resolveEsm, resolveCjs, resolveCjsAsChild };
|
|
}
|
|
|
|
/**
|
|
* @param {string} context context directory
|
|
* @param {Iterable<string>} deps dependencies
|
|
* @param {function((Error | null)=, ResolveBuildDependenciesResult=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
resolveBuildDependencies(context, deps, callback) {
|
|
const { resolveContext, resolveEsm, resolveCjs, resolveCjsAsChild } =
|
|
this._createBuildDependenciesResolvers();
|
|
|
|
/** @type {Set<string>} */
|
|
const files = new Set();
|
|
/** @type {Set<string>} */
|
|
const fileSymlinks = new Set();
|
|
/** @type {Set<string>} */
|
|
const directories = new Set();
|
|
/** @type {Set<string>} */
|
|
const directorySymlinks = new Set();
|
|
/** @type {Set<string>} */
|
|
const missing = new Set();
|
|
/** @type {Set<string>} */
|
|
const resolveFiles = new Set();
|
|
/** @type {Set<string>} */
|
|
const resolveDirectories = new Set();
|
|
/** @type {Set<string>} */
|
|
const resolveMissing = new Set();
|
|
/** @type {Map<string, string | false>} */
|
|
const resolveResults = new Map();
|
|
const invalidResolveResults = new Set();
|
|
const resolverContext = {
|
|
fileDependencies: resolveFiles,
|
|
contextDependencies: resolveDirectories,
|
|
missingDependencies: resolveMissing
|
|
};
|
|
const expectedToString = expected => {
|
|
return expected ? ` (expected ${expected})` : "";
|
|
};
|
|
const jobToString = job => {
|
|
switch (job.type) {
|
|
case RBDT_RESOLVE_CJS:
|
|
return `resolve commonjs ${job.path}${expectedToString(
|
|
job.expected
|
|
)}`;
|
|
case RBDT_RESOLVE_ESM:
|
|
return `resolve esm ${job.path}${expectedToString(job.expected)}`;
|
|
case RBDT_RESOLVE_DIRECTORY:
|
|
return `resolve directory ${job.path}`;
|
|
case RBDT_RESOLVE_CJS_FILE:
|
|
return `resolve commonjs file ${job.path}${expectedToString(
|
|
job.expected
|
|
)}`;
|
|
case RBDT_RESOLVE_ESM_FILE:
|
|
return `resolve esm file ${job.path}${expectedToString(
|
|
job.expected
|
|
)}`;
|
|
case RBDT_DIRECTORY:
|
|
return `directory ${job.path}`;
|
|
case RBDT_FILE:
|
|
return `file ${job.path}`;
|
|
case RBDT_DIRECTORY_DEPENDENCIES:
|
|
return `directory dependencies ${job.path}`;
|
|
case RBDT_FILE_DEPENDENCIES:
|
|
return `file dependencies ${job.path}`;
|
|
}
|
|
return `unknown ${job.type} ${job.path}`;
|
|
};
|
|
const pathToString = job => {
|
|
let result = ` at ${jobToString(job)}`;
|
|
job = job.issuer;
|
|
while (job !== undefined) {
|
|
result += `\n at ${jobToString(job)}`;
|
|
job = job.issuer;
|
|
}
|
|
return result;
|
|
};
|
|
processAsyncTree(
|
|
Array.from(deps, dep => ({
|
|
type: RBDT_RESOLVE_CJS,
|
|
context,
|
|
path: dep,
|
|
expected: undefined,
|
|
issuer: undefined
|
|
})),
|
|
20,
|
|
(job, push, callback) => {
|
|
const { type, context, path, expected } = job;
|
|
const resolveDirectory = path => {
|
|
const key = `d\n${context}\n${path}`;
|
|
if (resolveResults.has(key)) {
|
|
return callback();
|
|
}
|
|
resolveResults.set(key, undefined);
|
|
resolveContext(context, path, resolverContext, (err, _, result) => {
|
|
if (err) {
|
|
if (expected === false) {
|
|
resolveResults.set(key, false);
|
|
return callback();
|
|
}
|
|
invalidResolveResults.add(key);
|
|
err.message += `\nwhile resolving '${path}' in ${context} to a directory`;
|
|
return callback(err);
|
|
}
|
|
const resultPath = result.path;
|
|
resolveResults.set(key, resultPath);
|
|
push({
|
|
type: RBDT_DIRECTORY,
|
|
context: undefined,
|
|
path: resultPath,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
callback();
|
|
});
|
|
};
|
|
const resolveFile = (path, symbol, resolve) => {
|
|
const key = `${symbol}\n${context}\n${path}`;
|
|
if (resolveResults.has(key)) {
|
|
return callback();
|
|
}
|
|
resolveResults.set(key, undefined);
|
|
resolve(context, path, resolverContext, (err, _, result) => {
|
|
if (typeof expected === "string") {
|
|
if (!err && result && result.path === expected) {
|
|
resolveResults.set(key, result.path);
|
|
} else {
|
|
invalidResolveResults.add(key);
|
|
this.logger.warn(
|
|
`Resolving '${path}' in ${context} for build dependencies doesn't lead to expected result '${expected}', but to '${
|
|
err || (result && result.path)
|
|
}' instead. Resolving dependencies are ignored for this path.\n${pathToString(
|
|
job
|
|
)}`
|
|
);
|
|
}
|
|
} else {
|
|
if (err) {
|
|
if (expected === false) {
|
|
resolveResults.set(key, false);
|
|
return callback();
|
|
}
|
|
invalidResolveResults.add(key);
|
|
err.message += `\nwhile resolving '${path}' in ${context} as file\n${pathToString(
|
|
job
|
|
)}`;
|
|
return callback(err);
|
|
}
|
|
const resultPath = result.path;
|
|
resolveResults.set(key, resultPath);
|
|
push({
|
|
type: RBDT_FILE,
|
|
context: undefined,
|
|
path: resultPath,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
}
|
|
callback();
|
|
});
|
|
};
|
|
switch (type) {
|
|
case RBDT_RESOLVE_CJS: {
|
|
const isDirectory = /[\\/]$/.test(path);
|
|
if (isDirectory) {
|
|
resolveDirectory(path.slice(0, path.length - 1));
|
|
} else {
|
|
resolveFile(path, "f", resolveCjs);
|
|
}
|
|
break;
|
|
}
|
|
case RBDT_RESOLVE_ESM: {
|
|
const isDirectory = /[\\/]$/.test(path);
|
|
if (isDirectory) {
|
|
resolveDirectory(path.slice(0, path.length - 1));
|
|
} else {
|
|
resolveFile(path);
|
|
}
|
|
break;
|
|
}
|
|
case RBDT_RESOLVE_DIRECTORY: {
|
|
resolveDirectory(path);
|
|
break;
|
|
}
|
|
case RBDT_RESOLVE_CJS_FILE: {
|
|
resolveFile(path, "f", resolveCjs);
|
|
break;
|
|
}
|
|
case RBDT_RESOLVE_CJS_FILE_AS_CHILD: {
|
|
resolveFile(path, "c", resolveCjsAsChild);
|
|
break;
|
|
}
|
|
case RBDT_RESOLVE_ESM_FILE: {
|
|
resolveFile(path, "e", resolveEsm);
|
|
break;
|
|
}
|
|
case RBDT_FILE: {
|
|
if (files.has(path)) {
|
|
callback();
|
|
break;
|
|
}
|
|
files.add(path);
|
|
this.fs.realpath(path, (err, _realPath) => {
|
|
if (err) return callback(err);
|
|
const realPath = /** @type {string} */ (_realPath);
|
|
if (realPath !== path) {
|
|
fileSymlinks.add(path);
|
|
resolveFiles.add(path);
|
|
if (files.has(realPath)) return callback();
|
|
files.add(realPath);
|
|
}
|
|
push({
|
|
type: RBDT_FILE_DEPENDENCIES,
|
|
context: undefined,
|
|
path: realPath,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
callback();
|
|
});
|
|
break;
|
|
}
|
|
case RBDT_DIRECTORY: {
|
|
if (directories.has(path)) {
|
|
callback();
|
|
break;
|
|
}
|
|
directories.add(path);
|
|
this.fs.realpath(path, (err, _realPath) => {
|
|
if (err) return callback(err);
|
|
const realPath = /** @type {string} */ (_realPath);
|
|
if (realPath !== path) {
|
|
directorySymlinks.add(path);
|
|
resolveFiles.add(path);
|
|
if (directories.has(realPath)) return callback();
|
|
directories.add(realPath);
|
|
}
|
|
push({
|
|
type: RBDT_DIRECTORY_DEPENDENCIES,
|
|
context: undefined,
|
|
path: realPath,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
callback();
|
|
});
|
|
break;
|
|
}
|
|
case RBDT_FILE_DEPENDENCIES: {
|
|
// Check for known files without dependencies
|
|
if (/\.json5?$|\.yarn-integrity$|yarn\.lock$|\.ya?ml/.test(path)) {
|
|
process.nextTick(callback);
|
|
break;
|
|
}
|
|
// Check commonjs cache for the module
|
|
/** @type {NodeModule} */
|
|
const module = require.cache[path];
|
|
if (module && Array.isArray(module.children)) {
|
|
children: for (const child of module.children) {
|
|
let childPath = child.filename;
|
|
if (childPath) {
|
|
push({
|
|
type: RBDT_FILE,
|
|
context: undefined,
|
|
path: childPath,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
const context = dirname(this.fs, path);
|
|
for (const modulePath of module.paths) {
|
|
if (childPath.startsWith(modulePath)) {
|
|
let subPath = childPath.slice(modulePath.length + 1);
|
|
const packageMatch = /^(@[^\\/]+[\\/])[^\\/]+/.exec(
|
|
subPath
|
|
);
|
|
if (packageMatch) {
|
|
push({
|
|
type: RBDT_FILE,
|
|
context: undefined,
|
|
path:
|
|
modulePath +
|
|
childPath[modulePath.length] +
|
|
packageMatch[0] +
|
|
childPath[modulePath.length] +
|
|
"package.json",
|
|
expected: false,
|
|
issuer: job
|
|
});
|
|
}
|
|
let request = subPath.replace(/\\/g, "/");
|
|
if (request.endsWith(".js"))
|
|
request = request.slice(0, -3);
|
|
push({
|
|
type: RBDT_RESOLVE_CJS_FILE_AS_CHILD,
|
|
context,
|
|
path: request,
|
|
expected: child.filename,
|
|
issuer: job
|
|
});
|
|
continue children;
|
|
}
|
|
}
|
|
let request = relative(this.fs, context, childPath);
|
|
if (request.endsWith(".js")) request = request.slice(0, -3);
|
|
request = request.replace(/\\/g, "/");
|
|
if (!request.startsWith("../") && !isAbsolute(request)) {
|
|
request = `./${request}`;
|
|
}
|
|
push({
|
|
type: RBDT_RESOLVE_CJS_FILE,
|
|
context,
|
|
path: request,
|
|
expected: child.filename,
|
|
issuer: job
|
|
});
|
|
}
|
|
}
|
|
} else if (supportsEsm && /\.m?js$/.test(path)) {
|
|
if (!this._warnAboutExperimentalEsmTracking) {
|
|
this.logger.log(
|
|
"Node.js doesn't offer a (nice) way to introspect the ESM dependency graph yet.\n" +
|
|
"Until a full solution is available webpack uses an experimental ESM tracking based on parsing.\n" +
|
|
"As best effort webpack parses the ESM files to guess dependencies. But this can lead to expensive and incorrect tracking."
|
|
);
|
|
this._warnAboutExperimentalEsmTracking = true;
|
|
}
|
|
const lexer = require("es-module-lexer");
|
|
lexer.init.then(() => {
|
|
this.fs.readFile(path, (err, content) => {
|
|
if (err) return callback(err);
|
|
try {
|
|
const context = dirname(this.fs, path);
|
|
const source = content.toString();
|
|
const [imports] = lexer.parse(source);
|
|
for (const imp of imports) {
|
|
try {
|
|
let dependency;
|
|
if (imp.d === -1) {
|
|
// import ... from "..."
|
|
dependency = parseString(
|
|
source.substring(imp.s - 1, imp.e + 1)
|
|
);
|
|
} else if (imp.d > -1) {
|
|
// import()
|
|
let expr = source.substring(imp.s, imp.e).trim();
|
|
dependency = parseString(expr);
|
|
} else {
|
|
// e.g. import.meta
|
|
continue;
|
|
}
|
|
|
|
// we should not track Node.js build dependencies
|
|
if (dependency.startsWith("node:")) continue;
|
|
if (builtinModules.has(dependency)) continue;
|
|
|
|
push({
|
|
type: RBDT_RESOLVE_ESM_FILE,
|
|
context,
|
|
path: dependency,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
} catch (e) {
|
|
this.logger.warn(
|
|
`Parsing of ${path} for build dependencies failed at 'import(${source.substring(
|
|
imp.s,
|
|
imp.e
|
|
)})'.\n` +
|
|
"Build dependencies behind this expression are ignored and might cause incorrect cache invalidation."
|
|
);
|
|
this.logger.debug(pathToString(job));
|
|
this.logger.debug(e.stack);
|
|
}
|
|
}
|
|
} catch (e) {
|
|
this.logger.warn(
|
|
`Parsing of ${path} for build dependencies failed and all dependencies of this file are ignored, which might cause incorrect cache invalidation..`
|
|
);
|
|
this.logger.debug(pathToString(job));
|
|
this.logger.debug(e.stack);
|
|
}
|
|
process.nextTick(callback);
|
|
});
|
|
}, callback);
|
|
break;
|
|
} else {
|
|
this.logger.log(
|
|
`Assuming ${path} has no dependencies as we were unable to assign it to any module system.`
|
|
);
|
|
this.logger.debug(pathToString(job));
|
|
}
|
|
process.nextTick(callback);
|
|
break;
|
|
}
|
|
case RBDT_DIRECTORY_DEPENDENCIES: {
|
|
const match =
|
|
/(^.+[\\/]node_modules[\\/](?:@[^\\/]+[\\/])?[^\\/]+)/.exec(path);
|
|
const packagePath = match ? match[1] : path;
|
|
const packageJson = join(this.fs, packagePath, "package.json");
|
|
this.fs.readFile(packageJson, (err, content) => {
|
|
if (err) {
|
|
if (err.code === "ENOENT") {
|
|
resolveMissing.add(packageJson);
|
|
const parent = dirname(this.fs, packagePath);
|
|
if (parent !== packagePath) {
|
|
push({
|
|
type: RBDT_DIRECTORY_DEPENDENCIES,
|
|
context: undefined,
|
|
path: parent,
|
|
expected: undefined,
|
|
issuer: job
|
|
});
|
|
}
|
|
callback();
|
|
return;
|
|
}
|
|
return callback(err);
|
|
}
|
|
resolveFiles.add(packageJson);
|
|
let packageData;
|
|
try {
|
|
packageData = JSON.parse(content.toString("utf-8"));
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
const depsObject = packageData.dependencies;
|
|
const optionalDepsObject = packageData.optionalDependencies;
|
|
const allDeps = new Set();
|
|
const optionalDeps = new Set();
|
|
if (typeof depsObject === "object" && depsObject) {
|
|
for (const dep of Object.keys(depsObject)) {
|
|
allDeps.add(dep);
|
|
}
|
|
}
|
|
if (
|
|
typeof optionalDepsObject === "object" &&
|
|
optionalDepsObject
|
|
) {
|
|
for (const dep of Object.keys(optionalDepsObject)) {
|
|
allDeps.add(dep);
|
|
optionalDeps.add(dep);
|
|
}
|
|
}
|
|
for (const dep of allDeps) {
|
|
push({
|
|
type: RBDT_RESOLVE_DIRECTORY,
|
|
context: packagePath,
|
|
path: dep,
|
|
expected: !optionalDeps.has(dep),
|
|
issuer: job
|
|
});
|
|
}
|
|
callback();
|
|
});
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
err => {
|
|
if (err) return callback(err);
|
|
for (const l of fileSymlinks) files.delete(l);
|
|
for (const l of directorySymlinks) directories.delete(l);
|
|
for (const k of invalidResolveResults) resolveResults.delete(k);
|
|
callback(null, {
|
|
files,
|
|
directories,
|
|
missing,
|
|
resolveResults,
|
|
resolveDependencies: {
|
|
files: resolveFiles,
|
|
directories: resolveDirectories,
|
|
missing: resolveMissing
|
|
}
|
|
});
|
|
}
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {Map<string, string | false>} resolveResults results from resolving
|
|
* @param {function((Error | null)=, boolean=): void} callback callback with true when resolveResults resolve the same way
|
|
* @returns {void}
|
|
*/
|
|
checkResolveResultsValid(resolveResults, callback) {
|
|
const { resolveCjs, resolveCjsAsChild, resolveEsm, resolveContext } =
|
|
this._createBuildDependenciesResolvers();
|
|
asyncLib.eachLimit(
|
|
resolveResults,
|
|
20,
|
|
([key, expectedResult], callback) => {
|
|
const [type, context, path] = key.split("\n");
|
|
switch (type) {
|
|
case "d":
|
|
resolveContext(context, path, {}, (err, _, result) => {
|
|
if (expectedResult === false)
|
|
return callback(err ? undefined : INVALID);
|
|
if (err) return callback(err);
|
|
const resultPath = result.path;
|
|
if (resultPath !== expectedResult) return callback(INVALID);
|
|
callback();
|
|
});
|
|
break;
|
|
case "f":
|
|
resolveCjs(context, path, {}, (err, _, result) => {
|
|
if (expectedResult === false)
|
|
return callback(err ? undefined : INVALID);
|
|
if (err) return callback(err);
|
|
const resultPath = result.path;
|
|
if (resultPath !== expectedResult) return callback(INVALID);
|
|
callback();
|
|
});
|
|
break;
|
|
case "c":
|
|
resolveCjsAsChild(context, path, {}, (err, _, result) => {
|
|
if (expectedResult === false)
|
|
return callback(err ? undefined : INVALID);
|
|
if (err) return callback(err);
|
|
const resultPath = result.path;
|
|
if (resultPath !== expectedResult) return callback(INVALID);
|
|
callback();
|
|
});
|
|
break;
|
|
case "e":
|
|
resolveEsm(context, path, {}, (err, _, result) => {
|
|
if (expectedResult === false)
|
|
return callback(err ? undefined : INVALID);
|
|
if (err) return callback(err);
|
|
const resultPath = result.path;
|
|
if (resultPath !== expectedResult) return callback(INVALID);
|
|
callback();
|
|
});
|
|
break;
|
|
default:
|
|
callback(new Error("Unexpected type in resolve result key"));
|
|
break;
|
|
}
|
|
},
|
|
/**
|
|
* @param {Error | typeof INVALID=} err error or invalid flag
|
|
* @returns {void}
|
|
*/
|
|
err => {
|
|
if (err === INVALID) {
|
|
return callback(null, false);
|
|
}
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
return callback(null, true);
|
|
}
|
|
);
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {number} startTime when processing the files has started
|
|
* @param {Iterable<string>} files all files
|
|
* @param {Iterable<string>} directories all directories
|
|
* @param {Iterable<string>} missing all missing files or directories
|
|
* @param {Object} options options object (for future extensions)
|
|
* @param {boolean=} options.hash should use hash to snapshot
|
|
* @param {boolean=} options.timestamp should use timestamp to snapshot
|
|
* @param {function((WebpackError | null)=, (Snapshot | null)=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
createSnapshot(startTime, files, directories, missing, options, callback) {
|
|
/** @type {Map<string, FileSystemInfoEntry | null>} */
|
|
const fileTimestamps = new Map();
|
|
/** @type {Map<string, string | null>} */
|
|
const fileHashes = new Map();
|
|
/** @type {Map<string, TimestampAndHash | string | null>} */
|
|
const fileTshs = new Map();
|
|
/** @type {Map<string, FileSystemInfoEntry | null>} */
|
|
const contextTimestamps = new Map();
|
|
/** @type {Map<string, string | null>} */
|
|
const contextHashes = new Map();
|
|
/** @type {Map<string, ResolvedContextTimestampAndHash | null>} */
|
|
const contextTshs = new Map();
|
|
/** @type {Map<string, boolean>} */
|
|
const missingExistence = new Map();
|
|
/** @type {Map<string, string>} */
|
|
const managedItemInfo = new Map();
|
|
/** @type {Set<string>} */
|
|
const managedFiles = new Set();
|
|
/** @type {Set<string>} */
|
|
const managedContexts = new Set();
|
|
/** @type {Set<string>} */
|
|
const managedMissing = new Set();
|
|
/** @type {Set<Snapshot>} */
|
|
const children = new Set();
|
|
|
|
const snapshot = new Snapshot();
|
|
if (startTime) snapshot.setStartTime(startTime);
|
|
|
|
/** @type {Set<string>} */
|
|
const managedItems = new Set();
|
|
|
|
/** 1 = timestamp, 2 = hash, 3 = timestamp + hash */
|
|
const mode = options && options.hash ? (options.timestamp ? 3 : 2) : 1;
|
|
|
|
let jobs = 1;
|
|
const jobDone = () => {
|
|
if (--jobs === 0) {
|
|
if (fileTimestamps.size !== 0) {
|
|
snapshot.setFileTimestamps(fileTimestamps);
|
|
}
|
|
if (fileHashes.size !== 0) {
|
|
snapshot.setFileHashes(fileHashes);
|
|
}
|
|
if (fileTshs.size !== 0) {
|
|
snapshot.setFileTshs(fileTshs);
|
|
}
|
|
if (contextTimestamps.size !== 0) {
|
|
snapshot.setContextTimestamps(contextTimestamps);
|
|
}
|
|
if (contextHashes.size !== 0) {
|
|
snapshot.setContextHashes(contextHashes);
|
|
}
|
|
if (contextTshs.size !== 0) {
|
|
snapshot.setContextTshs(contextTshs);
|
|
}
|
|
if (missingExistence.size !== 0) {
|
|
snapshot.setMissingExistence(missingExistence);
|
|
}
|
|
if (managedItemInfo.size !== 0) {
|
|
snapshot.setManagedItemInfo(managedItemInfo);
|
|
}
|
|
this._managedFilesOptimization.optimize(snapshot, managedFiles);
|
|
if (managedFiles.size !== 0) {
|
|
snapshot.setManagedFiles(managedFiles);
|
|
}
|
|
this._managedContextsOptimization.optimize(snapshot, managedContexts);
|
|
if (managedContexts.size !== 0) {
|
|
snapshot.setManagedContexts(managedContexts);
|
|
}
|
|
this._managedMissingOptimization.optimize(snapshot, managedMissing);
|
|
if (managedMissing.size !== 0) {
|
|
snapshot.setManagedMissing(managedMissing);
|
|
}
|
|
if (children.size !== 0) {
|
|
snapshot.setChildren(children);
|
|
}
|
|
this._snapshotCache.set(snapshot, true);
|
|
this._statCreatedSnapshots++;
|
|
|
|
callback(null, snapshot);
|
|
}
|
|
};
|
|
const jobError = () => {
|
|
if (jobs > 0) {
|
|
// large negative number instead of NaN or something else to keep jobs to stay a SMI (v8)
|
|
jobs = -100000000;
|
|
callback(null, null);
|
|
}
|
|
};
|
|
const checkManaged = (path, managedSet) => {
|
|
for (const immutablePath of this.immutablePathsRegExps) {
|
|
if (immutablePath.test(path)) {
|
|
managedSet.add(path);
|
|
return true;
|
|
}
|
|
}
|
|
for (const immutablePath of this.immutablePathsWithSlash) {
|
|
if (path.startsWith(immutablePath)) {
|
|
managedSet.add(path);
|
|
return true;
|
|
}
|
|
}
|
|
for (const managedPath of this.managedPathsRegExps) {
|
|
const match = managedPath.exec(path);
|
|
if (match) {
|
|
const managedItem = getManagedItem(match[1], path);
|
|
if (managedItem) {
|
|
managedItems.add(managedItem);
|
|
managedSet.add(path);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
for (const managedPath of this.managedPathsWithSlash) {
|
|
if (path.startsWith(managedPath)) {
|
|
const managedItem = getManagedItem(managedPath, path);
|
|
if (managedItem) {
|
|
managedItems.add(managedItem);
|
|
managedSet.add(path);
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
const captureNonManaged = (items, managedSet) => {
|
|
const capturedItems = new Set();
|
|
for (const path of items) {
|
|
if (!checkManaged(path, managedSet)) capturedItems.add(path);
|
|
}
|
|
return capturedItems;
|
|
};
|
|
const processCapturedFiles = capturedFiles => {
|
|
switch (mode) {
|
|
case 3:
|
|
this._fileTshsOptimization.optimize(snapshot, capturedFiles);
|
|
for (const path of capturedFiles) {
|
|
const cache = this._fileTshs.get(path);
|
|
if (cache !== undefined) {
|
|
fileTshs.set(path, cache);
|
|
} else {
|
|
jobs++;
|
|
this._getFileTimestampAndHash(path, (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting file timestamp hash combination of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
fileTshs.set(path, entry);
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
this._fileHashesOptimization.optimize(snapshot, capturedFiles);
|
|
for (const path of capturedFiles) {
|
|
const cache = this._fileHashes.get(path);
|
|
if (cache !== undefined) {
|
|
fileHashes.set(path, cache);
|
|
} else {
|
|
jobs++;
|
|
this.fileHashQueue.add(path, (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting file hash of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
fileHashes.set(path, entry);
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
break;
|
|
case 1:
|
|
this._fileTimestampsOptimization.optimize(snapshot, capturedFiles);
|
|
for (const path of capturedFiles) {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache !== "ignore") {
|
|
fileTimestamps.set(path, cache);
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.fileTimestampQueue.add(path, (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting file timestamp of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
fileTimestamps.set(path, entry);
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
if (files) {
|
|
processCapturedFiles(captureNonManaged(files, managedFiles));
|
|
}
|
|
const processCapturedDirectories = capturedDirectories => {
|
|
switch (mode) {
|
|
case 3:
|
|
this._contextTshsOptimization.optimize(snapshot, capturedDirectories);
|
|
for (const path of capturedDirectories) {
|
|
const cache = this._contextTshs.get(path);
|
|
/** @type {ResolvedContextTimestampAndHash} */
|
|
let resolved;
|
|
if (
|
|
cache !== undefined &&
|
|
(resolved = getResolvedTimestamp(cache)) !== undefined
|
|
) {
|
|
contextTshs.set(path, resolved);
|
|
} else {
|
|
jobs++;
|
|
/**
|
|
* @param {Error=} err error
|
|
* @param {ResolvedContextTimestampAndHash=} entry entry
|
|
* @returns {void}
|
|
*/
|
|
const callback = (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting context timestamp hash combination of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
contextTshs.set(path, entry);
|
|
jobDone();
|
|
}
|
|
};
|
|
if (cache !== undefined) {
|
|
this._resolveContextTsh(cache, callback);
|
|
} else {
|
|
this.getContextTsh(path, callback);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 2:
|
|
this._contextHashesOptimization.optimize(
|
|
snapshot,
|
|
capturedDirectories
|
|
);
|
|
for (const path of capturedDirectories) {
|
|
const cache = this._contextHashes.get(path);
|
|
let resolved;
|
|
if (
|
|
cache !== undefined &&
|
|
(resolved = getResolvedHash(cache)) !== undefined
|
|
) {
|
|
contextHashes.set(path, resolved);
|
|
} else {
|
|
jobs++;
|
|
const callback = (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting context hash of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
contextHashes.set(path, entry);
|
|
jobDone();
|
|
}
|
|
};
|
|
if (cache !== undefined) {
|
|
this._resolveContextHash(cache, callback);
|
|
} else {
|
|
this.getContextHash(path, callback);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case 1:
|
|
this._contextTimestampsOptimization.optimize(
|
|
snapshot,
|
|
capturedDirectories
|
|
);
|
|
for (const path of capturedDirectories) {
|
|
const cache = this._contextTimestamps.get(path);
|
|
if (cache === "ignore") continue;
|
|
let resolved;
|
|
if (
|
|
cache !== undefined &&
|
|
(resolved = getResolvedTimestamp(cache)) !== undefined
|
|
) {
|
|
contextTimestamps.set(path, resolved);
|
|
} else {
|
|
jobs++;
|
|
/**
|
|
* @param {Error=} err error
|
|
* @param {ResolvedContextFileSystemInfoEntry=} entry entry
|
|
* @returns {void}
|
|
*/
|
|
const callback = (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting context timestamp of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
contextTimestamps.set(path, entry);
|
|
jobDone();
|
|
}
|
|
};
|
|
if (cache !== undefined) {
|
|
this._resolveContextTimestamp(cache, callback);
|
|
} else {
|
|
this.getContextTimestamp(path, callback);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
if (directories) {
|
|
processCapturedDirectories(
|
|
captureNonManaged(directories, managedContexts)
|
|
);
|
|
}
|
|
const processCapturedMissing = capturedMissing => {
|
|
this._missingExistenceOptimization.optimize(snapshot, capturedMissing);
|
|
for (const path of capturedMissing) {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache !== "ignore") {
|
|
missingExistence.set(path, Boolean(cache));
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.fileTimestampQueue.add(path, (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting missing timestamp of ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else {
|
|
missingExistence.set(path, Boolean(entry));
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
};
|
|
if (missing) {
|
|
processCapturedMissing(captureNonManaged(missing, managedMissing));
|
|
}
|
|
this._managedItemInfoOptimization.optimize(snapshot, managedItems);
|
|
for (const path of managedItems) {
|
|
const cache = this._managedItems.get(path);
|
|
if (cache !== undefined) {
|
|
if (!cache.startsWith("*")) {
|
|
managedFiles.add(join(this.fs, path, "package.json"));
|
|
} else if (cache === "*nested") {
|
|
managedMissing.add(join(this.fs, path, "package.json"));
|
|
}
|
|
managedItemInfo.set(path, cache);
|
|
} else {
|
|
jobs++;
|
|
this.managedItemQueue.add(path, (err, entry) => {
|
|
if (err) {
|
|
if (this.logger) {
|
|
this.logger.debug(
|
|
`Error snapshotting managed item ${path}: ${err.stack}`
|
|
);
|
|
}
|
|
jobError();
|
|
} else if (entry) {
|
|
if (!entry.startsWith("*")) {
|
|
managedFiles.add(join(this.fs, path, "package.json"));
|
|
} else if (cache === "*nested") {
|
|
managedMissing.add(join(this.fs, path, "package.json"));
|
|
}
|
|
managedItemInfo.set(path, entry);
|
|
jobDone();
|
|
} else {
|
|
// Fallback to normal snapshotting
|
|
const process = (set, fn) => {
|
|
if (set.size === 0) return;
|
|
const captured = new Set();
|
|
for (const file of set) {
|
|
if (file.startsWith(path)) captured.add(file);
|
|
}
|
|
if (captured.size > 0) fn(captured);
|
|
};
|
|
process(managedFiles, processCapturedFiles);
|
|
process(managedContexts, processCapturedDirectories);
|
|
process(managedMissing, processCapturedMissing);
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
jobDone();
|
|
}
|
|
|
|
/**
|
|
* @param {Snapshot} snapshot1 a snapshot
|
|
* @param {Snapshot} snapshot2 a snapshot
|
|
* @returns {Snapshot} merged snapshot
|
|
*/
|
|
mergeSnapshots(snapshot1, snapshot2) {
|
|
const snapshot = new Snapshot();
|
|
if (snapshot1.hasStartTime() && snapshot2.hasStartTime())
|
|
snapshot.setStartTime(Math.min(snapshot1.startTime, snapshot2.startTime));
|
|
else if (snapshot2.hasStartTime()) snapshot.startTime = snapshot2.startTime;
|
|
else if (snapshot1.hasStartTime()) snapshot.startTime = snapshot1.startTime;
|
|
if (snapshot1.hasFileTimestamps() || snapshot2.hasFileTimestamps()) {
|
|
snapshot.setFileTimestamps(
|
|
mergeMaps(snapshot1.fileTimestamps, snapshot2.fileTimestamps)
|
|
);
|
|
}
|
|
if (snapshot1.hasFileHashes() || snapshot2.hasFileHashes()) {
|
|
snapshot.setFileHashes(
|
|
mergeMaps(snapshot1.fileHashes, snapshot2.fileHashes)
|
|
);
|
|
}
|
|
if (snapshot1.hasFileTshs() || snapshot2.hasFileTshs()) {
|
|
snapshot.setFileTshs(mergeMaps(snapshot1.fileTshs, snapshot2.fileTshs));
|
|
}
|
|
if (snapshot1.hasContextTimestamps() || snapshot2.hasContextTimestamps()) {
|
|
snapshot.setContextTimestamps(
|
|
mergeMaps(snapshot1.contextTimestamps, snapshot2.contextTimestamps)
|
|
);
|
|
}
|
|
if (snapshot1.hasContextHashes() || snapshot2.hasContextHashes()) {
|
|
snapshot.setContextHashes(
|
|
mergeMaps(snapshot1.contextHashes, snapshot2.contextHashes)
|
|
);
|
|
}
|
|
if (snapshot1.hasContextTshs() || snapshot2.hasContextTshs()) {
|
|
snapshot.setContextTshs(
|
|
mergeMaps(snapshot1.contextTshs, snapshot2.contextTshs)
|
|
);
|
|
}
|
|
if (snapshot1.hasMissingExistence() || snapshot2.hasMissingExistence()) {
|
|
snapshot.setMissingExistence(
|
|
mergeMaps(snapshot1.missingExistence, snapshot2.missingExistence)
|
|
);
|
|
}
|
|
if (snapshot1.hasManagedItemInfo() || snapshot2.hasManagedItemInfo()) {
|
|
snapshot.setManagedItemInfo(
|
|
mergeMaps(snapshot1.managedItemInfo, snapshot2.managedItemInfo)
|
|
);
|
|
}
|
|
if (snapshot1.hasManagedFiles() || snapshot2.hasManagedFiles()) {
|
|
snapshot.setManagedFiles(
|
|
mergeSets(snapshot1.managedFiles, snapshot2.managedFiles)
|
|
);
|
|
}
|
|
if (snapshot1.hasManagedContexts() || snapshot2.hasManagedContexts()) {
|
|
snapshot.setManagedContexts(
|
|
mergeSets(snapshot1.managedContexts, snapshot2.managedContexts)
|
|
);
|
|
}
|
|
if (snapshot1.hasManagedMissing() || snapshot2.hasManagedMissing()) {
|
|
snapshot.setManagedMissing(
|
|
mergeSets(snapshot1.managedMissing, snapshot2.managedMissing)
|
|
);
|
|
}
|
|
if (snapshot1.hasChildren() || snapshot2.hasChildren()) {
|
|
snapshot.setChildren(mergeSets(snapshot1.children, snapshot2.children));
|
|
}
|
|
if (
|
|
this._snapshotCache.get(snapshot1) === true &&
|
|
this._snapshotCache.get(snapshot2) === true
|
|
) {
|
|
this._snapshotCache.set(snapshot, true);
|
|
}
|
|
return snapshot;
|
|
}
|
|
|
|
/**
|
|
* @param {Snapshot} snapshot the snapshot made
|
|
* @param {function((WebpackError | null)=, boolean=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
checkSnapshotValid(snapshot, callback) {
|
|
const cachedResult = this._snapshotCache.get(snapshot);
|
|
if (cachedResult !== undefined) {
|
|
this._statTestedSnapshotsCached++;
|
|
if (typeof cachedResult === "boolean") {
|
|
callback(null, cachedResult);
|
|
} else {
|
|
cachedResult.push(callback);
|
|
}
|
|
return;
|
|
}
|
|
this._statTestedSnapshotsNotCached++;
|
|
this._checkSnapshotValidNoCache(snapshot, callback);
|
|
}
|
|
|
|
/**
|
|
* @param {Snapshot} snapshot the snapshot made
|
|
* @param {function((WebpackError | null)=, boolean=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
_checkSnapshotValidNoCache(snapshot, callback) {
|
|
/** @type {number | undefined} */
|
|
let startTime = undefined;
|
|
if (snapshot.hasStartTime()) {
|
|
startTime = snapshot.startTime;
|
|
}
|
|
let jobs = 1;
|
|
const jobDone = () => {
|
|
if (--jobs === 0) {
|
|
this._snapshotCache.set(snapshot, true);
|
|
callback(null, true);
|
|
}
|
|
};
|
|
const invalid = () => {
|
|
if (jobs > 0) {
|
|
// large negative number instead of NaN or something else to keep jobs to stay a SMI (v8)
|
|
jobs = -100000000;
|
|
this._snapshotCache.set(snapshot, false);
|
|
callback(null, false);
|
|
}
|
|
};
|
|
const invalidWithError = (path, err) => {
|
|
if (this._remainingLogs > 0) {
|
|
this._log(path, `error occurred: %s`, err);
|
|
}
|
|
invalid();
|
|
};
|
|
/**
|
|
* @param {string} path file path
|
|
* @param {string} current current hash
|
|
* @param {string} snap snapshot hash
|
|
* @returns {boolean} true, if ok
|
|
*/
|
|
const checkHash = (path, current, snap) => {
|
|
if (current !== snap) {
|
|
// If hash differ it's invalid
|
|
if (this._remainingLogs > 0) {
|
|
this._log(path, `hashes differ (%s != %s)`, current, snap);
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
/**
|
|
* @param {string} path file path
|
|
* @param {boolean} current current entry
|
|
* @param {boolean} snap entry from snapshot
|
|
* @returns {boolean} true, if ok
|
|
*/
|
|
const checkExistence = (path, current, snap) => {
|
|
if (!current !== !snap) {
|
|
// If existence of item differs
|
|
// it's invalid
|
|
if (this._remainingLogs > 0) {
|
|
this._log(
|
|
path,
|
|
current ? "it didn't exist before" : "it does no longer exist"
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
/**
|
|
* @param {string} path file path
|
|
* @param {FileSystemInfoEntry} current current entry
|
|
* @param {FileSystemInfoEntry} snap entry from snapshot
|
|
* @param {boolean} log log reason
|
|
* @returns {boolean} true, if ok
|
|
*/
|
|
const checkFile = (path, current, snap, log = true) => {
|
|
if (current === snap) return true;
|
|
if (!checkExistence(path, Boolean(current), Boolean(snap))) return false;
|
|
if (current) {
|
|
// For existing items only
|
|
if (typeof startTime === "number" && current.safeTime > startTime) {
|
|
// If a change happened after starting reading the item
|
|
// this may no longer be valid
|
|
if (log && this._remainingLogs > 0) {
|
|
this._log(
|
|
path,
|
|
`it may have changed (%d) after the start time of the snapshot (%d)`,
|
|
current.safeTime,
|
|
startTime
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
if (
|
|
snap.timestamp !== undefined &&
|
|
current.timestamp !== snap.timestamp
|
|
) {
|
|
// If we have a timestamp (it was a file or symlink) and it differs from current timestamp
|
|
// it's invalid
|
|
if (log && this._remainingLogs > 0) {
|
|
this._log(
|
|
path,
|
|
`timestamps differ (%d != %d)`,
|
|
current.timestamp,
|
|
snap.timestamp
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
/**
|
|
* @param {string} path file path
|
|
* @param {ResolvedContextFileSystemInfoEntry} current current entry
|
|
* @param {ResolvedContextFileSystemInfoEntry} snap entry from snapshot
|
|
* @param {boolean} log log reason
|
|
* @returns {boolean} true, if ok
|
|
*/
|
|
const checkContext = (path, current, snap, log = true) => {
|
|
if (current === snap) return true;
|
|
if (!checkExistence(path, Boolean(current), Boolean(snap))) return false;
|
|
if (current) {
|
|
// For existing items only
|
|
if (typeof startTime === "number" && current.safeTime > startTime) {
|
|
// If a change happened after starting reading the item
|
|
// this may no longer be valid
|
|
if (log && this._remainingLogs > 0) {
|
|
this._log(
|
|
path,
|
|
`it may have changed (%d) after the start time of the snapshot (%d)`,
|
|
current.safeTime,
|
|
startTime
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
if (
|
|
snap.timestampHash !== undefined &&
|
|
current.timestampHash !== undefined &&
|
|
current.timestampHash !== snap.timestampHash
|
|
) {
|
|
// If we have a timestampHash (it was a directory) and it differs from current timestampHash
|
|
// it's invalid
|
|
if (log && this._remainingLogs > 0) {
|
|
this._log(
|
|
path,
|
|
`timestamps hashes differ (%s != %s)`,
|
|
current.timestampHash,
|
|
snap.timestampHash
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
if (snapshot.hasChildren()) {
|
|
const childCallback = (err, result) => {
|
|
if (err || !result) return invalid();
|
|
else jobDone();
|
|
};
|
|
for (const child of snapshot.children) {
|
|
const cache = this._snapshotCache.get(child);
|
|
if (cache !== undefined) {
|
|
this._statTestedChildrenCached++;
|
|
/* istanbul ignore else */
|
|
if (typeof cache === "boolean") {
|
|
if (cache === false) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
cache.push(childCallback);
|
|
}
|
|
} else {
|
|
this._statTestedChildrenNotCached++;
|
|
jobs++;
|
|
this._checkSnapshotValidNoCache(child, childCallback);
|
|
}
|
|
}
|
|
}
|
|
if (snapshot.hasFileTimestamps()) {
|
|
const { fileTimestamps } = snapshot;
|
|
this._statTestedEntries += fileTimestamps.size;
|
|
for (const [path, ts] of fileTimestamps) {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache !== "ignore" && !checkFile(path, cache, ts)) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.fileTimestampQueue.add(path, (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkFile(path, entry, ts)) {
|
|
invalid();
|
|
} else {
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
const processFileHashSnapshot = (path, hash) => {
|
|
const cache = this._fileHashes.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache !== "ignore" && !checkHash(path, cache, hash)) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.fileHashQueue.add(path, (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkHash(path, entry, hash)) {
|
|
invalid();
|
|
} else {
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
};
|
|
if (snapshot.hasFileHashes()) {
|
|
const { fileHashes } = snapshot;
|
|
this._statTestedEntries += fileHashes.size;
|
|
for (const [path, hash] of fileHashes) {
|
|
processFileHashSnapshot(path, hash);
|
|
}
|
|
}
|
|
if (snapshot.hasFileTshs()) {
|
|
const { fileTshs } = snapshot;
|
|
this._statTestedEntries += fileTshs.size;
|
|
for (const [path, tsh] of fileTshs) {
|
|
if (typeof tsh === "string") {
|
|
processFileHashSnapshot(path, tsh);
|
|
} else {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache === "ignore" || !checkFile(path, cache, tsh, false)) {
|
|
processFileHashSnapshot(path, tsh && tsh.hash);
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.fileTimestampQueue.add(path, (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkFile(path, entry, tsh, false)) {
|
|
processFileHashSnapshot(path, tsh && tsh.hash);
|
|
}
|
|
jobDone();
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (snapshot.hasContextTimestamps()) {
|
|
const { contextTimestamps } = snapshot;
|
|
this._statTestedEntries += contextTimestamps.size;
|
|
for (const [path, ts] of contextTimestamps) {
|
|
const cache = this._contextTimestamps.get(path);
|
|
if (cache === "ignore") continue;
|
|
let resolved;
|
|
if (
|
|
cache !== undefined &&
|
|
(resolved = getResolvedTimestamp(cache)) !== undefined
|
|
) {
|
|
if (!checkContext(path, resolved, ts)) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
/**
|
|
* @param {Error=} err error
|
|
* @param {ResolvedContextFileSystemInfoEntry=} entry entry
|
|
* @returns {void}
|
|
*/
|
|
const callback = (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkContext(path, entry, ts)) {
|
|
invalid();
|
|
} else {
|
|
jobDone();
|
|
}
|
|
};
|
|
if (cache !== undefined) {
|
|
this._resolveContextTimestamp(cache, callback);
|
|
} else {
|
|
this.getContextTimestamp(path, callback);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
const processContextHashSnapshot = (path, hash) => {
|
|
const cache = this._contextHashes.get(path);
|
|
let resolved;
|
|
if (
|
|
cache !== undefined &&
|
|
(resolved = getResolvedHash(cache)) !== undefined
|
|
) {
|
|
if (!checkHash(path, resolved, hash)) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
const callback = (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkHash(path, entry, hash)) {
|
|
invalid();
|
|
} else {
|
|
jobDone();
|
|
}
|
|
};
|
|
if (cache !== undefined) {
|
|
this._resolveContextHash(cache, callback);
|
|
} else {
|
|
this.getContextHash(path, callback);
|
|
}
|
|
}
|
|
};
|
|
if (snapshot.hasContextHashes()) {
|
|
const { contextHashes } = snapshot;
|
|
this._statTestedEntries += contextHashes.size;
|
|
for (const [path, hash] of contextHashes) {
|
|
processContextHashSnapshot(path, hash);
|
|
}
|
|
}
|
|
if (snapshot.hasContextTshs()) {
|
|
const { contextTshs } = snapshot;
|
|
this._statTestedEntries += contextTshs.size;
|
|
for (const [path, tsh] of contextTshs) {
|
|
if (typeof tsh === "string") {
|
|
processContextHashSnapshot(path, tsh);
|
|
} else {
|
|
const cache = this._contextTimestamps.get(path);
|
|
if (cache === "ignore") continue;
|
|
let resolved;
|
|
if (
|
|
cache !== undefined &&
|
|
(resolved = getResolvedTimestamp(cache)) !== undefined
|
|
) {
|
|
if (!checkContext(path, resolved, tsh, false)) {
|
|
processContextHashSnapshot(path, tsh && tsh.hash);
|
|
}
|
|
} else {
|
|
jobs++;
|
|
/**
|
|
* @param {Error=} err error
|
|
* @param {ResolvedContextFileSystemInfoEntry=} entry entry
|
|
* @returns {void}
|
|
*/
|
|
const callback = (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkContext(path, entry, tsh, false)) {
|
|
processContextHashSnapshot(path, tsh && tsh.hash);
|
|
}
|
|
jobDone();
|
|
};
|
|
if (cache !== undefined) {
|
|
this._resolveContextTimestamp(cache, callback);
|
|
} else {
|
|
this.getContextTimestamp(path, callback);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (snapshot.hasMissingExistence()) {
|
|
const { missingExistence } = snapshot;
|
|
this._statTestedEntries += missingExistence.size;
|
|
for (const [path, existence] of missingExistence) {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (
|
|
cache !== "ignore" &&
|
|
!checkExistence(path, Boolean(cache), Boolean(existence))
|
|
) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.fileTimestampQueue.add(path, (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkExistence(path, Boolean(entry), Boolean(existence))) {
|
|
invalid();
|
|
} else {
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
if (snapshot.hasManagedItemInfo()) {
|
|
const { managedItemInfo } = snapshot;
|
|
this._statTestedEntries += managedItemInfo.size;
|
|
for (const [path, info] of managedItemInfo) {
|
|
const cache = this._managedItems.get(path);
|
|
if (cache !== undefined) {
|
|
if (!checkHash(path, cache, info)) {
|
|
invalid();
|
|
return;
|
|
}
|
|
} else {
|
|
jobs++;
|
|
this.managedItemQueue.add(path, (err, entry) => {
|
|
if (err) return invalidWithError(path, err);
|
|
if (!checkHash(path, entry, info)) {
|
|
invalid();
|
|
} else {
|
|
jobDone();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
jobDone();
|
|
|
|
// if there was an async action
|
|
// try to join multiple concurrent request for this snapshot
|
|
if (jobs > 0) {
|
|
const callbacks = [callback];
|
|
callback = (err, result) => {
|
|
for (const callback of callbacks) callback(err, result);
|
|
};
|
|
this._snapshotCache.set(snapshot, callbacks);
|
|
}
|
|
}
|
|
|
|
_readFileTimestamp(path, callback) {
|
|
this.fs.stat(path, (err, stat) => {
|
|
if (err) {
|
|
if (err.code === "ENOENT") {
|
|
this._fileTimestamps.set(path, null);
|
|
this._cachedDeprecatedFileTimestamps = undefined;
|
|
return callback(null, null);
|
|
}
|
|
return callback(err);
|
|
}
|
|
|
|
let ts;
|
|
if (stat.isDirectory()) {
|
|
ts = {
|
|
safeTime: 0,
|
|
timestamp: undefined
|
|
};
|
|
} else {
|
|
const mtime = +stat.mtime;
|
|
|
|
if (mtime) applyMtime(mtime);
|
|
|
|
ts = {
|
|
safeTime: mtime ? mtime + FS_ACCURACY : Infinity,
|
|
timestamp: mtime
|
|
};
|
|
}
|
|
|
|
this._fileTimestamps.set(path, ts);
|
|
this._cachedDeprecatedFileTimestamps = undefined;
|
|
|
|
callback(null, ts);
|
|
});
|
|
}
|
|
|
|
_readFileHash(path, callback) {
|
|
this.fs.readFile(path, (err, content) => {
|
|
if (err) {
|
|
if (err.code === "EISDIR") {
|
|
this._fileHashes.set(path, "directory");
|
|
return callback(null, "directory");
|
|
}
|
|
if (err.code === "ENOENT") {
|
|
this._fileHashes.set(path, null);
|
|
return callback(null, null);
|
|
}
|
|
if (err.code === "ERR_FS_FILE_TOO_LARGE") {
|
|
this.logger.warn(`Ignoring ${path} for hashing as it's very large`);
|
|
this._fileHashes.set(path, "too large");
|
|
return callback(null, "too large");
|
|
}
|
|
return callback(err);
|
|
}
|
|
|
|
const hash = createHash(this._hashFunction);
|
|
|
|
hash.update(content);
|
|
|
|
const digest = /** @type {string} */ (hash.digest("hex"));
|
|
|
|
this._fileHashes.set(path, digest);
|
|
|
|
callback(null, digest);
|
|
});
|
|
}
|
|
|
|
_getFileTimestampAndHash(path, callback) {
|
|
const continueWithHash = hash => {
|
|
const cache = this._fileTimestamps.get(path);
|
|
if (cache !== undefined) {
|
|
if (cache !== "ignore") {
|
|
const result = {
|
|
...cache,
|
|
hash
|
|
};
|
|
this._fileTshs.set(path, result);
|
|
return callback(null, result);
|
|
} else {
|
|
this._fileTshs.set(path, hash);
|
|
return callback(null, hash);
|
|
}
|
|
} else {
|
|
this.fileTimestampQueue.add(path, (err, entry) => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
const result = {
|
|
...entry,
|
|
hash
|
|
};
|
|
this._fileTshs.set(path, result);
|
|
return callback(null, result);
|
|
});
|
|
}
|
|
};
|
|
|
|
const cache = this._fileHashes.get(path);
|
|
if (cache !== undefined) {
|
|
continueWithHash(cache);
|
|
} else {
|
|
this.fileHashQueue.add(path, (err, entry) => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
continueWithHash(entry);
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @template T
|
|
* @template ItemType
|
|
* @param {Object} options options
|
|
* @param {string} options.path path
|
|
* @param {function(string): ItemType} options.fromImmutablePath called when context item is an immutable path
|
|
* @param {function(string): ItemType} options.fromManagedItem called when context item is a managed path
|
|
* @param {function(string, string, function(Error=, ItemType=): void): void} options.fromSymlink called when context item is a symlink
|
|
* @param {function(string, IStats, function(Error=, ItemType=): void): void} options.fromFile called when context item is a file
|
|
* @param {function(string, IStats, function(Error=, ItemType=): void): void} options.fromDirectory called when context item is a directory
|
|
* @param {function(string[], ItemType[]): T} options.reduce called from all context items
|
|
* @param {function((Error | null)=, (T)=): void} callback callback
|
|
*/
|
|
_readContext(
|
|
{
|
|
path,
|
|
fromImmutablePath,
|
|
fromManagedItem,
|
|
fromSymlink,
|
|
fromFile,
|
|
fromDirectory,
|
|
reduce
|
|
},
|
|
callback
|
|
) {
|
|
this.fs.readdir(path, (err, _files) => {
|
|
if (err) {
|
|
if (err.code === "ENOENT") {
|
|
return callback(null, null);
|
|
}
|
|
return callback(err);
|
|
}
|
|
const files = /** @type {string[]} */ (_files)
|
|
.map(file => file.normalize("NFC"))
|
|
.filter(file => !/^\./.test(file))
|
|
.sort();
|
|
asyncLib.map(
|
|
files,
|
|
(file, callback) => {
|
|
const child = join(this.fs, path, file);
|
|
for (const immutablePath of this.immutablePathsRegExps) {
|
|
if (immutablePath.test(path)) {
|
|
// ignore any immutable path for timestamping
|
|
return callback(null, fromImmutablePath(path));
|
|
}
|
|
}
|
|
for (const immutablePath of this.immutablePathsWithSlash) {
|
|
if (path.startsWith(immutablePath)) {
|
|
// ignore any immutable path for timestamping
|
|
return callback(null, fromImmutablePath(path));
|
|
}
|
|
}
|
|
for (const managedPath of this.managedPathsRegExps) {
|
|
const match = managedPath.exec(path);
|
|
if (match) {
|
|
const managedItem = getManagedItem(match[1], path);
|
|
if (managedItem) {
|
|
// construct timestampHash from managed info
|
|
return this.managedItemQueue.add(managedItem, (err, info) => {
|
|
if (err) return callback(err);
|
|
return callback(null, fromManagedItem(info));
|
|
});
|
|
}
|
|
}
|
|
}
|
|
for (const managedPath of this.managedPathsWithSlash) {
|
|
if (path.startsWith(managedPath)) {
|
|
const managedItem = getManagedItem(managedPath, child);
|
|
if (managedItem) {
|
|
// construct timestampHash from managed info
|
|
return this.managedItemQueue.add(managedItem, (err, info) => {
|
|
if (err) return callback(err);
|
|
return callback(null, fromManagedItem(info));
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
lstatReadlinkAbsolute(this.fs, child, (err, stat) => {
|
|
if (err) return callback(err);
|
|
|
|
if (typeof stat === "string") {
|
|
return fromSymlink(child, stat, callback);
|
|
}
|
|
|
|
if (stat.isFile()) {
|
|
return fromFile(child, stat, callback);
|
|
}
|
|
if (stat.isDirectory()) {
|
|
return fromDirectory(child, stat, callback);
|
|
}
|
|
callback(null, null);
|
|
});
|
|
},
|
|
(err, results) => {
|
|
if (err) return callback(err);
|
|
const result = reduce(files, results);
|
|
callback(null, result);
|
|
}
|
|
);
|
|
});
|
|
}
|
|
|
|
_readContextTimestamp(path, callback) {
|
|
this._readContext(
|
|
{
|
|
path,
|
|
fromImmutablePath: () => null,
|
|
fromManagedItem: info => ({
|
|
safeTime: 0,
|
|
timestampHash: info
|
|
}),
|
|
fromSymlink: (file, target, callback) => {
|
|
callback(null, {
|
|
timestampHash: target,
|
|
symlinks: new Set([target])
|
|
});
|
|
},
|
|
fromFile: (file, stat, callback) => {
|
|
// Prefer the cached value over our new stat to report consistent results
|
|
const cache = this._fileTimestamps.get(file);
|
|
if (cache !== undefined)
|
|
return callback(null, cache === "ignore" ? null : cache);
|
|
|
|
const mtime = +stat.mtime;
|
|
|
|
if (mtime) applyMtime(mtime);
|
|
|
|
const ts = {
|
|
safeTime: mtime ? mtime + FS_ACCURACY : Infinity,
|
|
timestamp: mtime
|
|
};
|
|
|
|
this._fileTimestamps.set(file, ts);
|
|
this._cachedDeprecatedFileTimestamps = undefined;
|
|
callback(null, ts);
|
|
},
|
|
fromDirectory: (directory, stat, callback) => {
|
|
this.contextTimestampQueue.increaseParallelism();
|
|
this._getUnresolvedContextTimestamp(directory, (err, tsEntry) => {
|
|
this.contextTimestampQueue.decreaseParallelism();
|
|
callback(err, tsEntry);
|
|
});
|
|
},
|
|
reduce: (files, tsEntries) => {
|
|
let symlinks = undefined;
|
|
|
|
const hash = createHash(this._hashFunction);
|
|
|
|
for (const file of files) hash.update(file);
|
|
let safeTime = 0;
|
|
for (const entry of tsEntries) {
|
|
if (!entry) {
|
|
hash.update("n");
|
|
continue;
|
|
}
|
|
if (entry.timestamp) {
|
|
hash.update("f");
|
|
hash.update(`${entry.timestamp}`);
|
|
} else if (entry.timestampHash) {
|
|
hash.update("d");
|
|
hash.update(`${entry.timestampHash}`);
|
|
}
|
|
if (entry.symlinks !== undefined) {
|
|
if (symlinks === undefined) symlinks = new Set();
|
|
addAll(entry.symlinks, symlinks);
|
|
}
|
|
if (entry.safeTime) {
|
|
safeTime = Math.max(safeTime, entry.safeTime);
|
|
}
|
|
}
|
|
|
|
const digest = /** @type {string} */ (hash.digest("hex"));
|
|
|
|
const result = {
|
|
safeTime,
|
|
timestampHash: digest
|
|
};
|
|
if (symlinks) result.symlinks = symlinks;
|
|
return result;
|
|
}
|
|
},
|
|
(err, result) => {
|
|
if (err) return callback(err);
|
|
this._contextTimestamps.set(path, result);
|
|
this._cachedDeprecatedContextTimestamps = undefined;
|
|
|
|
callback(null, result);
|
|
}
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {ContextFileSystemInfoEntry} entry entry
|
|
* @param {function((Error | null)=, ResolvedContextFileSystemInfoEntry=): void} callback callback
|
|
* @returns {void}
|
|
*/
|
|
_resolveContextTimestamp(entry, callback) {
|
|
const hashes = [];
|
|
let safeTime = 0;
|
|
processAsyncTree(
|
|
entry.symlinks,
|
|
10,
|
|
(target, push, callback) => {
|
|
this._getUnresolvedContextTimestamp(target, (err, entry) => {
|
|
if (err) return callback(err);
|
|
if (entry && entry !== "ignore") {
|
|
hashes.push(entry.timestampHash);
|
|
if (entry.safeTime) {
|
|
safeTime = Math.max(safeTime, entry.safeTime);
|
|
}
|
|
if (entry.symlinks !== undefined) {
|
|
for (const target of entry.symlinks) push(target);
|
|
}
|
|
}
|
|
callback();
|
|
});
|
|
},
|
|
err => {
|
|
if (err) return callback(err);
|
|
const hash = createHash(this._hashFunction);
|
|
hash.update(entry.timestampHash);
|
|
if (entry.safeTime) {
|
|
safeTime = Math.max(safeTime, entry.safeTime);
|
|
}
|
|
hashes.sort();
|
|
for (const h of hashes) {
|
|
hash.update(h);
|
|
}
|
|
callback(
|
|
null,
|
|
(entry.resolved = {
|
|
safeTime,
|
|
timestampHash: /** @type {string} */ (hash.digest("hex"))
|
|
})
|
|
);
|
|
}
|
|
);
|
|
}
|
|
|
|
_readContextHash(path, callback) {
|
|
this._readContext(
|
|
{
|
|
path,
|
|
fromImmutablePath: () => "",
|
|
fromManagedItem: info => info || "",
|
|
fromSymlink: (file, target, callback) => {
|
|
callback(null, {
|
|
hash: target,
|
|
symlinks: new Set([target])
|
|
});
|
|
},
|
|
fromFile: (file, stat, callback) =>
|
|
this.getFileHash(file, (err, hash) => {
|
|
callback(err, hash || "");
|
|
}),
|
|
fromDirectory: (directory, stat, callback) => {
|
|
this.contextHashQueue.increaseParallelism();
|
|
this._getUnresolvedContextHash(directory, (err, hash) => {
|
|
this.contextHashQueue.decreaseParallelism();
|
|
callback(err, hash || "");
|
|
});
|
|
},
|
|
/**
|
|
* @param {string[]} files files
|
|
* @param {(string | ContextHash)[]} fileHashes hashes
|
|
* @returns {ContextHash} reduced hash
|
|
*/
|
|
reduce: (files, fileHashes) => {
|
|
let symlinks = undefined;
|
|
const hash = createHash(this._hashFunction);
|
|
|
|
for (const file of files) hash.update(file);
|
|
for (const entry of fileHashes) {
|
|
if (typeof entry === "string") {
|
|
hash.update(entry);
|
|
} else {
|
|
hash.update(entry.hash);
|
|
if (entry.symlinks) {
|
|
if (symlinks === undefined) symlinks = new Set();
|
|
addAll(entry.symlinks, symlinks);
|
|
}
|
|
}
|
|
}
|
|
|
|
const result = {
|
|
hash: /** @type {string} */ (hash.digest("hex"))
|
|
};
|
|
if (symlinks) result.symlinks = symlinks;
|
|
return result;
|
|
}
|
|
},
|
|
(err, result) => {
|
|
if (err) return callback(err);
|
|
this._contextHashes.set(path, result);
|
|
return callback(null, result);
|
|
}
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {ContextHash} entry context hash
|
|
* @param {function((Error | null)=, string=): void} callback callback
|
|
* @returns {void}
|
|
*/
|
|
_resolveContextHash(entry, callback) {
|
|
const hashes = [];
|
|
processAsyncTree(
|
|
entry.symlinks,
|
|
10,
|
|
(target, push, callback) => {
|
|
this._getUnresolvedContextHash(target, (err, hash) => {
|
|
if (err) return callback(err);
|
|
if (hash) {
|
|
hashes.push(hash.hash);
|
|
if (hash.symlinks !== undefined) {
|
|
for (const target of hash.symlinks) push(target);
|
|
}
|
|
}
|
|
callback();
|
|
});
|
|
},
|
|
err => {
|
|
if (err) return callback(err);
|
|
const hash = createHash(this._hashFunction);
|
|
hash.update(entry.hash);
|
|
hashes.sort();
|
|
for (const h of hashes) {
|
|
hash.update(h);
|
|
}
|
|
callback(
|
|
null,
|
|
(entry.resolved = /** @type {string} */ (hash.digest("hex")))
|
|
);
|
|
}
|
|
);
|
|
}
|
|
|
|
_readContextTimestampAndHash(path, callback) {
|
|
const finalize = (timestamp, hash) => {
|
|
const result =
|
|
timestamp === "ignore"
|
|
? hash
|
|
: {
|
|
...timestamp,
|
|
...hash
|
|
};
|
|
this._contextTshs.set(path, result);
|
|
callback(null, result);
|
|
};
|
|
const cachedHash = this._contextHashes.get(path);
|
|
const cachedTimestamp = this._contextTimestamps.get(path);
|
|
if (cachedHash !== undefined) {
|
|
if (cachedTimestamp !== undefined) {
|
|
finalize(cachedTimestamp, cachedHash);
|
|
} else {
|
|
this.contextTimestampQueue.add(path, (err, entry) => {
|
|
if (err) return callback(err);
|
|
finalize(entry, cachedHash);
|
|
});
|
|
}
|
|
} else {
|
|
if (cachedTimestamp !== undefined) {
|
|
this.contextHashQueue.add(path, (err, entry) => {
|
|
if (err) return callback(err);
|
|
finalize(cachedTimestamp, entry);
|
|
});
|
|
} else {
|
|
this._readContext(
|
|
{
|
|
path,
|
|
fromImmutablePath: () => null,
|
|
fromManagedItem: info => ({
|
|
safeTime: 0,
|
|
timestampHash: info,
|
|
hash: info || ""
|
|
}),
|
|
fromSymlink: (fle, target, callback) => {
|
|
callback(null, {
|
|
timestampHash: target,
|
|
hash: target,
|
|
symlinks: new Set([target])
|
|
});
|
|
},
|
|
fromFile: (file, stat, callback) => {
|
|
this._getFileTimestampAndHash(file, callback);
|
|
},
|
|
fromDirectory: (directory, stat, callback) => {
|
|
this.contextTshQueue.increaseParallelism();
|
|
this.contextTshQueue.add(directory, (err, result) => {
|
|
this.contextTshQueue.decreaseParallelism();
|
|
callback(err, result);
|
|
});
|
|
},
|
|
/**
|
|
* @param {string[]} files files
|
|
* @param {(Partial<TimestampAndHash> & Partial<ContextTimestampAndHash> | string | null)[]} results results
|
|
* @returns {ContextTimestampAndHash} tsh
|
|
*/
|
|
reduce: (files, results) => {
|
|
let symlinks = undefined;
|
|
|
|
const tsHash = createHash(this._hashFunction);
|
|
const hash = createHash(this._hashFunction);
|
|
|
|
for (const file of files) {
|
|
tsHash.update(file);
|
|
hash.update(file);
|
|
}
|
|
let safeTime = 0;
|
|
for (const entry of results) {
|
|
if (!entry) {
|
|
tsHash.update("n");
|
|
continue;
|
|
}
|
|
if (typeof entry === "string") {
|
|
tsHash.update("n");
|
|
hash.update(entry);
|
|
continue;
|
|
}
|
|
if (entry.timestamp) {
|
|
tsHash.update("f");
|
|
tsHash.update(`${entry.timestamp}`);
|
|
} else if (entry.timestampHash) {
|
|
tsHash.update("d");
|
|
tsHash.update(`${entry.timestampHash}`);
|
|
}
|
|
if (entry.symlinks !== undefined) {
|
|
if (symlinks === undefined) symlinks = new Set();
|
|
addAll(entry.symlinks, symlinks);
|
|
}
|
|
if (entry.safeTime) {
|
|
safeTime = Math.max(safeTime, entry.safeTime);
|
|
}
|
|
hash.update(entry.hash);
|
|
}
|
|
|
|
const result = {
|
|
safeTime,
|
|
timestampHash: /** @type {string} */ (tsHash.digest("hex")),
|
|
hash: /** @type {string} */ (hash.digest("hex"))
|
|
};
|
|
if (symlinks) result.symlinks = symlinks;
|
|
return result;
|
|
}
|
|
},
|
|
(err, result) => {
|
|
if (err) return callback(err);
|
|
this._contextTshs.set(path, result);
|
|
return callback(null, result);
|
|
}
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {ContextTimestampAndHash} entry entry
|
|
* @param {function((Error | null)=, ResolvedContextTimestampAndHash=): void} callback callback
|
|
* @returns {void}
|
|
*/
|
|
_resolveContextTsh(entry, callback) {
|
|
const hashes = [];
|
|
const tsHashes = [];
|
|
let safeTime = 0;
|
|
processAsyncTree(
|
|
entry.symlinks,
|
|
10,
|
|
(target, push, callback) => {
|
|
this._getUnresolvedContextTsh(target, (err, entry) => {
|
|
if (err) return callback(err);
|
|
if (entry) {
|
|
hashes.push(entry.hash);
|
|
if (entry.timestampHash) tsHashes.push(entry.timestampHash);
|
|
if (entry.safeTime) {
|
|
safeTime = Math.max(safeTime, entry.safeTime);
|
|
}
|
|
if (entry.symlinks !== undefined) {
|
|
for (const target of entry.symlinks) push(target);
|
|
}
|
|
}
|
|
callback();
|
|
});
|
|
},
|
|
err => {
|
|
if (err) return callback(err);
|
|
const hash = createHash(this._hashFunction);
|
|
const tsHash = createHash(this._hashFunction);
|
|
hash.update(entry.hash);
|
|
if (entry.timestampHash) tsHash.update(entry.timestampHash);
|
|
if (entry.safeTime) {
|
|
safeTime = Math.max(safeTime, entry.safeTime);
|
|
}
|
|
hashes.sort();
|
|
for (const h of hashes) {
|
|
hash.update(h);
|
|
}
|
|
tsHashes.sort();
|
|
for (const h of tsHashes) {
|
|
tsHash.update(h);
|
|
}
|
|
callback(
|
|
null,
|
|
(entry.resolved = {
|
|
safeTime,
|
|
timestampHash: /** @type {string} */ (tsHash.digest("hex")),
|
|
hash: /** @type {string} */ (hash.digest("hex"))
|
|
})
|
|
);
|
|
}
|
|
);
|
|
}
|
|
|
|
_getManagedItemDirectoryInfo(path, callback) {
|
|
this.fs.readdir(path, (err, elements) => {
|
|
if (err) {
|
|
if (err.code === "ENOENT" || err.code === "ENOTDIR") {
|
|
return callback(null, EMPTY_SET);
|
|
}
|
|
return callback(err);
|
|
}
|
|
const set = new Set(
|
|
/** @type {string[]} */ (elements).map(element =>
|
|
join(this.fs, path, element)
|
|
)
|
|
);
|
|
callback(null, set);
|
|
});
|
|
}
|
|
|
|
_getManagedItemInfo(path, callback) {
|
|
const dir = dirname(this.fs, path);
|
|
this.managedItemDirectoryQueue.add(dir, (err, elements) => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
if (!elements.has(path)) {
|
|
// file or directory doesn't exist
|
|
this._managedItems.set(path, "*missing");
|
|
return callback(null, "*missing");
|
|
}
|
|
// something exists
|
|
// it may be a file or directory
|
|
if (
|
|
path.endsWith("node_modules") &&
|
|
(path.endsWith("/node_modules") || path.endsWith("\\node_modules"))
|
|
) {
|
|
// we are only interested in existence of this special directory
|
|
this._managedItems.set(path, "*node_modules");
|
|
return callback(null, "*node_modules");
|
|
}
|
|
|
|
// we assume it's a directory, as files shouldn't occur in managed paths
|
|
const packageJsonPath = join(this.fs, path, "package.json");
|
|
this.fs.readFile(packageJsonPath, (err, content) => {
|
|
if (err) {
|
|
if (err.code === "ENOENT" || err.code === "ENOTDIR") {
|
|
// no package.json or path is not a directory
|
|
this.fs.readdir(path, (err, elements) => {
|
|
if (
|
|
!err &&
|
|
elements.length === 1 &&
|
|
elements[0] === "node_modules"
|
|
) {
|
|
// This is only a grouping folder e. g. used by yarn
|
|
// we are only interested in existence of this special directory
|
|
this._managedItems.set(path, "*nested");
|
|
return callback(null, "*nested");
|
|
}
|
|
this.logger.warn(
|
|
`Managed item ${path} isn't a directory or doesn't contain a package.json (see snapshot.managedPaths option)`
|
|
);
|
|
return callback();
|
|
});
|
|
return;
|
|
}
|
|
return callback(err);
|
|
}
|
|
let data;
|
|
try {
|
|
data = JSON.parse(content.toString("utf-8"));
|
|
} catch (e) {
|
|
return callback(e);
|
|
}
|
|
if (!data.name) {
|
|
this.logger.warn(
|
|
`${packageJsonPath} doesn't contain a "name" property (see snapshot.managedPaths option)`
|
|
);
|
|
return callback();
|
|
}
|
|
const info = `${data.name || ""}@${data.version || ""}`;
|
|
this._managedItems.set(path, info);
|
|
callback(null, info);
|
|
});
|
|
});
|
|
}
|
|
|
|
getDeprecatedFileTimestamps() {
|
|
if (this._cachedDeprecatedFileTimestamps !== undefined)
|
|
return this._cachedDeprecatedFileTimestamps;
|
|
const map = new Map();
|
|
for (const [path, info] of this._fileTimestamps) {
|
|
if (info) map.set(path, typeof info === "object" ? info.safeTime : null);
|
|
}
|
|
return (this._cachedDeprecatedFileTimestamps = map);
|
|
}
|
|
|
|
getDeprecatedContextTimestamps() {
|
|
if (this._cachedDeprecatedContextTimestamps !== undefined)
|
|
return this._cachedDeprecatedContextTimestamps;
|
|
const map = new Map();
|
|
for (const [path, info] of this._contextTimestamps) {
|
|
if (info) map.set(path, typeof info === "object" ? info.safeTime : null);
|
|
}
|
|
return (this._cachedDeprecatedContextTimestamps = map);
|
|
}
|
|
}
|
|
|
|
module.exports = FileSystemInfo;
|
|
module.exports.Snapshot = Snapshot;
|