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253 lines
10 KiB
253 lines
10 KiB
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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const path_1 = __importDefault(require("path"));
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const virtual_stats_1 = require("./virtual-stats");
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let inode = 45000000;
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function checkActivation(instance) {
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if (!instance._compiler) {
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throw new Error('You must use this plugin only after creating webpack instance!');
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}
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}
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function getModulePath(filePath, compiler) {
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return path_1.default.isAbsolute(filePath) ? filePath : path_1.default.join(compiler.context, filePath);
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}
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function createWebpackData(result) {
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return (backendOrStorage) => {
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if (backendOrStorage._data) {
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const curLevelIdx = backendOrStorage._currentLevel;
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const curLevel = backendOrStorage._levels[curLevelIdx];
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return {
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result,
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level: curLevel,
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};
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}
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return [null, result];
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};
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}
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function getData(storage, key) {
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if (storage._data instanceof Map) {
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return storage._data.get(key);
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}
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else if (storage._data) {
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return storage.data[key];
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}
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else if (storage.data instanceof Map) {
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return storage.data.get(key);
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}
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else {
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return storage.data[key];
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}
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}
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function setData(backendOrStorage, key, valueFactory) {
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const value = valueFactory(backendOrStorage);
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if (backendOrStorage._data instanceof Map) {
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backendOrStorage._data.set(key, value);
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}
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else if (backendOrStorage._data) {
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backendOrStorage.data[key] = value;
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}
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else if (backendOrStorage.data instanceof Map) {
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backendOrStorage.data.set(key, value);
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}
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else {
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backendOrStorage.data[key] = value;
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}
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}
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function getStatStorage(fileSystem) {
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if (fileSystem._statStorage) {
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return fileSystem._statStorage;
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}
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else if (fileSystem._statBackend) {
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return fileSystem._statBackend;
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}
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else {
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throw new Error("Couldn't find a stat storage");
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}
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}
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function getFileStorage(fileSystem) {
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if (fileSystem._readFileStorage) {
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return fileSystem._readFileStorage;
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}
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else if (fileSystem._readFileBackend) {
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return fileSystem._readFileBackend;
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}
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else {
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throw new Error("Couldn't find a readFileStorage");
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}
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}
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function getReadDirBackend(fileSystem) {
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if (fileSystem._readdirBackend) {
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return fileSystem._readdirBackend;
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}
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else if (fileSystem._readdirStorage) {
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return fileSystem._readdirStorage;
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}
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else {
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throw new Error("Couldn't find a readDirStorage from Webpack Internals");
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}
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}
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class VirtualModulesPlugin {
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constructor(modules) {
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this._compiler = null;
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this._watcher = null;
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this._staticModules = modules || null;
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}
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writeModule(filePath, contents) {
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if (!this._compiler) {
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throw new Error(`Plugin has not been initialized`);
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}
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checkActivation(this);
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const len = contents ? contents.length : 0;
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const time = Date.now();
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const date = new Date(time);
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const stats = new virtual_stats_1.VirtualStats({
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dev: 8675309,
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nlink: 0,
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uid: 1000,
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gid: 1000,
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rdev: 0,
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blksize: 4096,
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ino: inode++,
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mode: 33188,
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size: len,
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blocks: Math.floor(len / 4096),
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atime: date,
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mtime: date,
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ctime: date,
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birthtime: date,
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});
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const modulePath = getModulePath(filePath, this._compiler);
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if (process.env.WVM_DEBUG)
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console.log(this._compiler.name, 'Write virtual module:', modulePath, contents);
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let finalWatchFileSystem = this._watcher && this._watcher.watchFileSystem;
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while (finalWatchFileSystem && finalWatchFileSystem.wfs) {
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finalWatchFileSystem = finalWatchFileSystem.wfs;
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}
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let finalInputFileSystem = this._compiler.inputFileSystem;
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while (finalInputFileSystem && finalInputFileSystem._inputFileSystem) {
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finalInputFileSystem = finalInputFileSystem._inputFileSystem;
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}
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finalInputFileSystem._writeVirtualFile(modulePath, stats, contents);
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if (finalWatchFileSystem &&
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(finalWatchFileSystem.watcher.fileWatchers.size || finalWatchFileSystem.watcher.fileWatchers.length)) {
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const fileWatchers = finalWatchFileSystem.watcher.fileWatchers instanceof Map
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? Array.from(finalWatchFileSystem.watcher.fileWatchers.values())
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: finalWatchFileSystem.watcher.fileWatchers;
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for (let fileWatcher of fileWatchers) {
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if ('watcher' in fileWatcher) {
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fileWatcher = fileWatcher.watcher;
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}
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if (fileWatcher.path === modulePath) {
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if (process.env.DEBUG)
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console.log(this._compiler.name, 'Emit file change:', modulePath, time);
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delete fileWatcher.directoryWatcher._cachedTimeInfoEntries;
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fileWatcher.emit('change', time, null);
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}
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}
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}
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}
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apply(compiler) {
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this._compiler = compiler;
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const afterEnvironmentHook = () => {
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let finalInputFileSystem = compiler.inputFileSystem;
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while (finalInputFileSystem && finalInputFileSystem._inputFileSystem) {
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finalInputFileSystem = finalInputFileSystem._inputFileSystem;
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}
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if (!finalInputFileSystem._writeVirtualFile) {
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const originalPurge = finalInputFileSystem.purge;
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finalInputFileSystem.purge = () => {
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originalPurge.apply(finalInputFileSystem, []);
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if (finalInputFileSystem._virtualFiles) {
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Object.keys(finalInputFileSystem._virtualFiles).forEach((file) => {
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const data = finalInputFileSystem._virtualFiles[file];
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finalInputFileSystem._writeVirtualFile(file, data.stats, data.contents);
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});
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}
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};
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finalInputFileSystem._writeVirtualFile = (file, stats, contents) => {
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const statStorage = getStatStorage(finalInputFileSystem);
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const fileStorage = getFileStorage(finalInputFileSystem);
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const readDirStorage = getReadDirBackend(finalInputFileSystem);
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finalInputFileSystem._virtualFiles = finalInputFileSystem._virtualFiles || {};
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finalInputFileSystem._virtualFiles[file] = { stats: stats, contents: contents };
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setData(statStorage, file, createWebpackData(stats));
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setData(fileStorage, file, createWebpackData(contents));
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const segments = file.split(/[\\/]/);
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let count = segments.length - 1;
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const minCount = segments[0] ? 1 : 0;
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while (count > minCount) {
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const dir = segments.slice(0, count).join(path_1.default.sep) || path_1.default.sep;
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try {
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finalInputFileSystem.readdirSync(dir);
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}
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catch (e) {
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const time = Date.now();
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const dirStats = new virtual_stats_1.VirtualStats({
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dev: 8675309,
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nlink: 0,
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uid: 1000,
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gid: 1000,
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rdev: 0,
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blksize: 4096,
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ino: inode++,
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mode: 16877,
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size: stats.size,
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blocks: Math.floor(stats.size / 4096),
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atime: time,
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mtime: time,
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ctime: time,
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birthtime: time,
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});
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setData(readDirStorage, dir, createWebpackData([]));
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setData(statStorage, dir, createWebpackData(dirStats));
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}
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let dirData = getData(getReadDirBackend(finalInputFileSystem), dir);
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dirData = dirData[1] || dirData.result;
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const filename = segments[count];
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if (dirData.indexOf(filename) < 0) {
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const files = dirData.concat([filename]).sort();
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setData(getReadDirBackend(finalInputFileSystem), dir, createWebpackData(files));
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}
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else {
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break;
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}
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count--;
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}
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};
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}
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};
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const afterResolversHook = () => {
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if (this._staticModules) {
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for (const [filePath, contents] of Object.entries(this._staticModules)) {
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this.writeModule(filePath, contents);
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}
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this._staticModules = null;
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}
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};
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const watchRunHook = (watcher, callback) => {
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this._watcher = watcher.compiler || watcher;
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const virtualFiles = compiler.inputFileSystem._virtualFiles;
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const fts = compiler.fileTimestamps;
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if (virtualFiles && fts && typeof fts.set === 'function') {
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Object.keys(virtualFiles).forEach((file) => {
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fts.set(file, +virtualFiles[file].stats.mtime);
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});
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}
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callback();
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};
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if (compiler.hooks) {
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compiler.hooks.afterEnvironment.tap('VirtualModulesPlugin', afterEnvironmentHook);
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compiler.hooks.afterResolvers.tap('VirtualModulesPlugin', afterResolversHook);
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compiler.hooks.watchRun.tapAsync('VirtualModulesPlugin', watchRunHook);
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}
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else {
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compiler.plugin('after-environment', afterEnvironmentHook);
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compiler.plugin('after-resolvers', afterResolversHook);
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compiler.plugin('watch-run', watchRunHook);
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}
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}
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}
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module.exports = VirtualModulesPlugin;
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//# sourceMappingURL=index.js.map
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