Fix:Include Watcher as lib with no dependencies and fix tiny-readdir bug #610

server/libs/watcher/aborter/controller.js

@@ -0,0 +1,19 @@
+"use strict";
+/* IMPORT */
+var signal_1 = require("./signal");
+/* ABORT CONTROLLER */
+var AbortController = /** @class */ (function () {
+  function AbortController() {
+    /* VARIABLES */
+    this.signal = new signal_1.default();
+  }
+  /* API */
+  AbortController.prototype.abort = function () {
+    return this.signal.abort();
+  };
+  return AbortController;
+}());
+/* EXPORT */
+module.exports = AbortController;
+module.exports.default = AbortController;
+Object.defineProperty(module.exports, "__esModule", { value: true });

server/libs/watcher/aborter/signal.js

@@ -0,0 +1,39 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+/* ABORT SIGNAL */
+var AbortSignal = /** @class */ (function () {
+  function AbortSignal() {
+    /* VARIABLES */
+    this.aborted = false;
+    this.listeners = {};
+  }
+  /* EVENTS API */
+  AbortSignal.prototype.addEventListener = function (event, listener) {
+    var listeners = this.listeners[event] || (this.listeners[event] = []);
+    listeners.push(listener);
+  };
+  AbortSignal.prototype.removeEventListener = function (event, listener) {
+    var listeners = this.listeners[event];
+    if (!listeners)
+      return;
+    listeners.splice(listeners.indexOf(listener), 1);
+  };
+  AbortSignal.prototype.dispatchEvent = function (event) {
+    var listeners = this.listeners[event];
+    if (!listeners)
+      return true;
+    listeners.slice().forEach(function (listener) { return listener(); });
+    return true;
+  };
+  /* API */
+  AbortSignal.prototype.abort = function () {
+    if (this.aborted)
+      return;
+    this.aborted = true;
+    this.dispatchEvent('abort');
+  };
+  return AbortSignal;
+}());
+/* EXPORT */
+exports.default = AbortSignal;

server/libs/watcher/are-shallow-equal.js

@@ -0,0 +1,24 @@
+"use strict";
+/* IMPORT */
+var isPrimitive = require("./is-primitive");
+/* ARE SHALLOW EQUAL */
+var isNaN = Number.isNaN;
+function areShallowEqual(x, y) {
+  if (x === y)
+    return true;
+  if (isNaN(x))
+    return isNaN(y);
+  if (isPrimitive(x) || isPrimitive(y))
+    return x === y;
+  for (var i in x)
+    if (!(i in y))
+      return false;
+  for (var i in y)
+    if (x[i] !== y[i])
+      return false;
+  return true;
+}
+/* EXPORT */
+module.exports = areShallowEqual;
+module.exports.default = areShallowEqual;
+Object.defineProperty(module.exports, "__esModule", { value: true });

server/libs/watcher/atomically/consts.js

@@ -0,0 +1,28 @@
+"use strict";
+/* CONSTS */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.NOOP = exports.LIMIT_FILES_DESCRIPTORS = exports.LIMIT_BASENAME_LENGTH = exports.IS_USER_ROOT = exports.IS_POSIX = exports.DEFAULT_TIMEOUT_SYNC = exports.DEFAULT_TIMEOUT_ASYNC = exports.DEFAULT_WRITE_OPTIONS = exports.DEFAULT_READ_OPTIONS = exports.DEFAULT_FOLDER_MODE = exports.DEFAULT_FILE_MODE = exports.DEFAULT_ENCODING = void 0;
+const DEFAULT_ENCODING = 'utf8';
+exports.DEFAULT_ENCODING = DEFAULT_ENCODING;
+const DEFAULT_FILE_MODE = 0o666;
+exports.DEFAULT_FILE_MODE = DEFAULT_FILE_MODE;
+const DEFAULT_FOLDER_MODE = 0o777;
+exports.DEFAULT_FOLDER_MODE = DEFAULT_FOLDER_MODE;
+const DEFAULT_READ_OPTIONS = {};
+exports.DEFAULT_READ_OPTIONS = DEFAULT_READ_OPTIONS;
+const DEFAULT_WRITE_OPTIONS = {};
+exports.DEFAULT_WRITE_OPTIONS = DEFAULT_WRITE_OPTIONS;
+const DEFAULT_TIMEOUT_ASYNC = 5000;
+exports.DEFAULT_TIMEOUT_ASYNC = DEFAULT_TIMEOUT_ASYNC;
+const DEFAULT_TIMEOUT_SYNC = 100;
+exports.DEFAULT_TIMEOUT_SYNC = DEFAULT_TIMEOUT_SYNC;
+const IS_POSIX = !!process.getuid;
+exports.IS_POSIX = IS_POSIX;
+const IS_USER_ROOT = process.getuid ? !process.getuid() : false;
+exports.IS_USER_ROOT = IS_USER_ROOT;
+const LIMIT_BASENAME_LENGTH = 128; //TODO: fetch the real limit from the filesystem //TODO: fetch the whole-path length limit too
+exports.LIMIT_BASENAME_LENGTH = LIMIT_BASENAME_LENGTH;
+const LIMIT_FILES_DESCRIPTORS = 10000; //TODO: fetch the real limit from the filesystem
+exports.LIMIT_FILES_DESCRIPTORS = LIMIT_FILES_DESCRIPTORS;
+const NOOP = () => { };
+exports.NOOP = NOOP;

server/libs/watcher/atomically/index.js

@@ -0,0 +1,177 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.writeFileSync = exports.writeFile = exports.readFileSync = exports.readFile = void 0;
+const path = require("path");
+const consts_1 = require("./consts");
+const fs_1 = require("./utils/fs");
+const lang_1 = require("./utils/lang");
+const scheduler_1 = require("./utils/scheduler");
+const temp_1 = require("./utils/temp");
+function readFile(filePath, options = consts_1.DEFAULT_READ_OPTIONS) {
+    var _a;
+    if (lang_1.default.isString(options))
+        return readFile(filePath, { encoding: options });
+    const timeout = Date.now() + ((_a = options.timeout) !== null && _a !== void 0 ? _a : consts_1.DEFAULT_TIMEOUT_ASYNC);
+    return fs_1.default.readFileRetry(timeout)(filePath, options);
+}
+exports.readFile = readFile;
+;
+function readFileSync(filePath, options = consts_1.DEFAULT_READ_OPTIONS) {
+    var _a;
+    if (lang_1.default.isString(options))
+        return readFileSync(filePath, { encoding: options });
+    const timeout = Date.now() + ((_a = options.timeout) !== null && _a !== void 0 ? _a : consts_1.DEFAULT_TIMEOUT_SYNC);
+    return fs_1.default.readFileSyncRetry(timeout)(filePath, options);
+}
+exports.readFileSync = readFileSync;
+;
+const writeFile = (filePath, data, options, callback) => {
+    if (lang_1.default.isFunction(options))
+        return writeFile(filePath, data, consts_1.DEFAULT_WRITE_OPTIONS, options);
+    const promise = writeFileAsync(filePath, data, options);
+    if (callback)
+        promise.then(callback, callback);
+    return promise;
+};
+exports.writeFile = writeFile;
+const writeFileAsync = async (filePath, data, options = consts_1.DEFAULT_WRITE_OPTIONS) => {
+    var _a;
+    if (lang_1.default.isString(options))
+        return writeFileAsync(filePath, data, { encoding: options });
+    const timeout = Date.now() + ((_a = options.timeout) !== null && _a !== void 0 ? _a : consts_1.DEFAULT_TIMEOUT_ASYNC);
+    let schedulerCustomDisposer = null, schedulerDisposer = null, tempDisposer = null, tempPath = null, fd = null;
+    try {
+        if (options.schedule)
+            schedulerCustomDisposer = await options.schedule(filePath);
+        schedulerDisposer = await scheduler_1.default.schedule(filePath);
+        filePath = await fs_1.default.realpathAttempt(filePath) || filePath;
+        [tempPath, tempDisposer] = temp_1.default.get(filePath, options.tmpCreate || temp_1.default.create, !(options.tmpPurge === false));
+        const useStatChown = consts_1.IS_POSIX && lang_1.default.isUndefined(options.chown), useStatMode = lang_1.default.isUndefined(options.mode);
+        if (useStatChown || useStatMode) {
+            const stat = await fs_1.default.statAttempt(filePath);
+            if (stat) {
+                options = { ...options };
+                if (useStatChown)
+                    options.chown = { uid: stat.uid, gid: stat.gid };
+                if (useStatMode)
+                    options.mode = stat.mode;
+            }
+        }
+        const parentPath = path.dirname(filePath);
+        await fs_1.default.mkdirAttempt(parentPath, {
+            mode: consts_1.DEFAULT_FOLDER_MODE,
+            recursive: true
+        });
+        fd = await fs_1.default.openRetry(timeout)(tempPath, 'w', options.mode || consts_1.DEFAULT_FILE_MODE);
+        if (options.tmpCreated)
+            options.tmpCreated(tempPath);
+        if (lang_1.default.isString(data)) {
+            await fs_1.default.writeRetry(timeout)(fd, data, 0, options.encoding || consts_1.DEFAULT_ENCODING);
+        }
+        else if (!lang_1.default.isUndefined(data)) {
+            await fs_1.default.writeRetry(timeout)(fd, data, 0, data.length, 0);
+        }
+        if (options.fsync !== false) {
+            if (options.fsyncWait !== false) {
+                await fs_1.default.fsyncRetry(timeout)(fd);
+            }
+            else {
+                fs_1.default.fsyncAttempt(fd);
+            }
+        }
+        await fs_1.default.closeRetry(timeout)(fd);
+        fd = null;
+        if (options.chown)
+            await fs_1.default.chownAttempt(tempPath, options.chown.uid, options.chown.gid);
+        if (options.mode)
+            await fs_1.default.chmodAttempt(tempPath, options.mode);
+        try {
+            await fs_1.default.renameRetry(timeout)(tempPath, filePath);
+        }
+        catch (error) {
+            if (error.code !== 'ENAMETOOLONG')
+                throw error;
+            await fs_1.default.renameRetry(timeout)(tempPath, temp_1.default.truncate(filePath));
+        }
+        tempDisposer();
+        tempPath = null;
+    }
+    finally {
+        if (fd)
+            await fs_1.default.closeAttempt(fd);
+        if (tempPath)
+            temp_1.default.purge(tempPath);
+        if (schedulerCustomDisposer)
+            schedulerCustomDisposer();
+        if (schedulerDisposer)
+            schedulerDisposer();
+    }
+};
+const writeFileSync = (filePath, data, options = consts_1.DEFAULT_WRITE_OPTIONS) => {
+    var _a;
+    if (lang_1.default.isString(options))
+        return writeFileSync(filePath, data, { encoding: options });
+    const timeout = Date.now() + ((_a = options.timeout) !== null && _a !== void 0 ? _a : consts_1.DEFAULT_TIMEOUT_SYNC);
+    let tempDisposer = null, tempPath = null, fd = null;
+    try {
+        filePath = fs_1.default.realpathSyncAttempt(filePath) || filePath;
+        [tempPath, tempDisposer] = temp_1.default.get(filePath, options.tmpCreate || temp_1.default.create, !(options.tmpPurge === false));
+        const useStatChown = consts_1.IS_POSIX && lang_1.default.isUndefined(options.chown), useStatMode = lang_1.default.isUndefined(options.mode);
+        if (useStatChown || useStatMode) {
+            const stat = fs_1.default.statSyncAttempt(filePath);
+            if (stat) {
+                options = { ...options };
+                if (useStatChown)
+                    options.chown = { uid: stat.uid, gid: stat.gid };
+                if (useStatMode)
+                    options.mode = stat.mode;
+            }
+        }
+        const parentPath = path.dirname(filePath);
+        fs_1.default.mkdirSyncAttempt(parentPath, {
+            mode: consts_1.DEFAULT_FOLDER_MODE,
+            recursive: true
+        });
+        fd = fs_1.default.openSyncRetry(timeout)(tempPath, 'w', options.mode || consts_1.DEFAULT_FILE_MODE);
+        if (options.tmpCreated)
+            options.tmpCreated(tempPath);
+        if (lang_1.default.isString(data)) {
+            fs_1.default.writeSyncRetry(timeout)(fd, data, 0, options.encoding || consts_1.DEFAULT_ENCODING);
+        }
+        else if (!lang_1.default.isUndefined(data)) {
+            fs_1.default.writeSyncRetry(timeout)(fd, data, 0, data.length, 0);
+        }
+        if (options.fsync !== false) {
+            if (options.fsyncWait !== false) {
+                fs_1.default.fsyncSyncRetry(timeout)(fd);
+            }
+            else {
+                fs_1.default.fsyncAttempt(fd);
+            }
+        }
+        fs_1.default.closeSyncRetry(timeout)(fd);
+        fd = null;
+        if (options.chown)
+            fs_1.default.chownSyncAttempt(tempPath, options.chown.uid, options.chown.gid);
+        if (options.mode)
+            fs_1.default.chmodSyncAttempt(tempPath, options.mode);
+        try {
+            fs_1.default.renameSyncRetry(timeout)(tempPath, filePath);
+        }
+        catch (error) {
+            if (error.code !== 'ENAMETOOLONG')
+                throw error;
+            fs_1.default.renameSyncRetry(timeout)(tempPath, temp_1.default.truncate(filePath));
+        }
+        tempDisposer();
+        tempPath = null;
+    }
+    finally {
+        if (fd)
+            fs_1.default.closeSyncAttempt(fd);
+        if (tempPath)
+            temp_1.default.purge(tempPath);
+    }
+};
+exports.writeFileSync = writeFileSync;

server/libs/watcher/atomically/utils/attemptify.js

@@ -0,0 +1,25 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.attemptifySync = exports.attemptifyAsync = void 0;
+const consts_1 = require("../consts");
+/* ATTEMPTIFY */
+//TODO: Maybe publish this as a standalone package
+//FIXME: The type castings here aren't exactly correct
+const attemptifyAsync = (fn, onError = consts_1.NOOP) => {
+    return function () {
+        return fn.apply(undefined, arguments).catch(onError);
+    };
+};
+exports.attemptifyAsync = attemptifyAsync;
+const attemptifySync = (fn, onError = consts_1.NOOP) => {
+    return function () {
+        try {
+            return fn.apply(undefined, arguments);
+        }
+        catch (error) {
+            return onError(error);
+        }
+    };
+};
+exports.attemptifySync = attemptifySync;

server/libs/watcher/atomically/utils/fs.js

@@ -0,0 +1,42 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+const fs = require("fs");
+const util_1 = require("util");
+const attemptify_1 = require("./attemptify");
+const fs_handlers_1 = require("./fs_handlers");
+const retryify_1 = require("./retryify");
+/* FS */
+const FS = {
+    chmodAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.chmod), fs_handlers_1.default.onChangeError),
+    chownAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.chown), fs_handlers_1.default.onChangeError),
+    closeAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.close)),
+    fsyncAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.fsync)),
+    mkdirAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.mkdir)),
+    realpathAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.realpath)),
+    statAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.stat)),
+    unlinkAttempt: attemptify_1.attemptifyAsync(util_1.promisify(fs.unlink)),
+    closeRetry: retryify_1.retryifyAsync(util_1.promisify(fs.close), fs_handlers_1.default.isRetriableError),
+    fsyncRetry: retryify_1.retryifyAsync(util_1.promisify(fs.fsync), fs_handlers_1.default.isRetriableError),
+    openRetry: retryify_1.retryifyAsync(util_1.promisify(fs.open), fs_handlers_1.default.isRetriableError),
+    readFileRetry: retryify_1.retryifyAsync(util_1.promisify(fs.readFile), fs_handlers_1.default.isRetriableError),
+    renameRetry: retryify_1.retryifyAsync(util_1.promisify(fs.rename), fs_handlers_1.default.isRetriableError),
+    statRetry: retryify_1.retryifyAsync(util_1.promisify(fs.stat), fs_handlers_1.default.isRetriableError),
+    writeRetry: retryify_1.retryifyAsync(util_1.promisify(fs.write), fs_handlers_1.default.isRetriableError),
+    chmodSyncAttempt: attemptify_1.attemptifySync(fs.chmodSync, fs_handlers_1.default.onChangeError),
+    chownSyncAttempt: attemptify_1.attemptifySync(fs.chownSync, fs_handlers_1.default.onChangeError),
+    closeSyncAttempt: attemptify_1.attemptifySync(fs.closeSync),
+    mkdirSyncAttempt: attemptify_1.attemptifySync(fs.mkdirSync),
+    realpathSyncAttempt: attemptify_1.attemptifySync(fs.realpathSync),
+    statSyncAttempt: attemptify_1.attemptifySync(fs.statSync),
+    unlinkSyncAttempt: attemptify_1.attemptifySync(fs.unlinkSync),
+    closeSyncRetry: retryify_1.retryifySync(fs.closeSync, fs_handlers_1.default.isRetriableError),
+    fsyncSyncRetry: retryify_1.retryifySync(fs.fsyncSync, fs_handlers_1.default.isRetriableError),
+    openSyncRetry: retryify_1.retryifySync(fs.openSync, fs_handlers_1.default.isRetriableError),
+    readFileSyncRetry: retryify_1.retryifySync(fs.readFileSync, fs_handlers_1.default.isRetriableError),
+    renameSyncRetry: retryify_1.retryifySync(fs.renameSync, fs_handlers_1.default.isRetriableError),
+    statSyncRetry: retryify_1.retryifySync(fs.statSync, fs_handlers_1.default.isRetriableError),
+    writeSyncRetry: retryify_1.retryifySync(fs.writeSync, fs_handlers_1.default.isRetriableError)
+};
+/* EXPORT */
+exports.default = FS;

server/libs/watcher/atomically/utils/fs_handlers.js

@@ -0,0 +1,28 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+const consts_1 = require("../consts");
+/* FS HANDLERS */
+const Handlers = {
+    isChangeErrorOk: (error) => {
+        const { code } = error;
+        if (code === 'ENOSYS')
+            return true;
+        if (!consts_1.IS_USER_ROOT && (code === 'EINVAL' || code === 'EPERM'))
+            return true;
+        return false;
+    },
+    isRetriableError: (error) => {
+        const { code } = error;
+        if (code === 'EMFILE' || code === 'ENFILE' || code === 'EAGAIN' || code === 'EBUSY' || code === 'EACCESS' || code === 'EACCS' || code === 'EPERM')
+            return true;
+        return false;
+    },
+    onChangeError: (error) => {
+        if (Handlers.isChangeErrorOk(error))
+            return;
+        throw error;
+    }
+};
+/* EXPORT */
+exports.default = Handlers;

server/libs/watcher/atomically/utils/lang.js

@@ -0,0 +1,16 @@
+"use strict";
+/* LANG */
+Object.defineProperty(exports, "__esModule", { value: true });
+const Lang = {
+    isFunction: (x) => {
+        return typeof x === 'function';
+    },
+    isString: (x) => {
+        return typeof x === 'string';
+    },
+    isUndefined: (x) => {
+        return typeof x === 'undefined';
+    }
+};
+/* EXPORT */
+exports.default = Lang;

server/libs/watcher/atomically/utils/retryify.js

@@ -0,0 +1,45 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.retryifySync = exports.retryifyAsync = void 0;
+const retryify_queue_1 = require("./retryify_queue");
+/* RETRYIFY */
+const retryifyAsync = (fn, isRetriableError) => {
+    return function (timestamp) {
+        return function attempt() {
+            return retryify_queue_1.default.schedule().then(cleanup => {
+                return fn.apply(undefined, arguments).then(result => {
+                    cleanup();
+                    return result;
+                }, error => {
+                    cleanup();
+                    if (Date.now() >= timestamp)
+                        throw error;
+                    if (isRetriableError(error)) {
+                        const delay = Math.round(100 + (400 * Math.random())), delayPromise = new Promise(resolve => setTimeout(resolve, delay));
+                        return delayPromise.then(() => attempt.apply(undefined, arguments));
+                    }
+                    throw error;
+                });
+            });
+        };
+    };
+};
+exports.retryifyAsync = retryifyAsync;
+const retryifySync = (fn, isRetriableError) => {
+    return function (timestamp) {
+        return function attempt() {
+            try {
+                return fn.apply(undefined, arguments);
+            }
+            catch (error) {
+                if (Date.now() > timestamp)
+                    throw error;
+                if (isRetriableError(error))
+                    return attempt.apply(undefined, arguments);
+                throw error;
+            }
+        };
+    };
+};
+exports.retryifySync = retryifySync;

server/libs/watcher/atomically/utils/retryify_queue.js

@@ -0,0 +1,58 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+const consts_1 = require("../consts");
+/* RETRYIFY QUEUE */
+const RetryfyQueue = {
+    interval: 25,
+    intervalId: undefined,
+    limit: consts_1.LIMIT_FILES_DESCRIPTORS,
+    queueActive: new Set(),
+    queueWaiting: new Set(),
+    init: () => {
+        if (RetryfyQueue.intervalId)
+            return;
+        RetryfyQueue.intervalId = setInterval(RetryfyQueue.tick, RetryfyQueue.interval);
+    },
+    reset: () => {
+        if (!RetryfyQueue.intervalId)
+            return;
+        clearInterval(RetryfyQueue.intervalId);
+        delete RetryfyQueue.intervalId;
+    },
+    add: (fn) => {
+        RetryfyQueue.queueWaiting.add(fn);
+        if (RetryfyQueue.queueActive.size < (RetryfyQueue.limit / 2)) { // Active queue not under preassure, executing immediately
+            RetryfyQueue.tick();
+        }
+        else {
+            RetryfyQueue.init();
+        }
+    },
+    remove: (fn) => {
+        RetryfyQueue.queueWaiting.delete(fn);
+        RetryfyQueue.queueActive.delete(fn);
+    },
+    schedule: () => {
+        return new Promise(resolve => {
+            const cleanup = () => RetryfyQueue.remove(resolver);
+            const resolver = () => resolve(cleanup);
+            RetryfyQueue.add(resolver);
+        });
+    },
+    tick: () => {
+        if (RetryfyQueue.queueActive.size >= RetryfyQueue.limit)
+            return;
+        if (!RetryfyQueue.queueWaiting.size)
+            return RetryfyQueue.reset();
+        for (const fn of RetryfyQueue.queueWaiting) {
+            if (RetryfyQueue.queueActive.size >= RetryfyQueue.limit)
+                break;
+            RetryfyQueue.queueWaiting.delete(fn);
+            RetryfyQueue.queueActive.add(fn);
+            fn();
+        }
+    }
+};
+/* EXPORT */
+exports.default = RetryfyQueue;

server/libs/watcher/atomically/utils/scheduler.js

@@ -0,0 +1,35 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+/* VARIABLES */
+const Queues = {};
+/* SCHEDULER */
+//TODO: Maybe publish this as a standalone package
+const Scheduler = {
+    next: (id) => {
+        const queue = Queues[id];
+        if (!queue)
+            return;
+        queue.shift();
+        const job = queue[0];
+        if (job) {
+            job(() => Scheduler.next(id));
+        }
+        else {
+            delete Queues[id];
+        }
+    },
+    schedule: (id) => {
+        return new Promise(resolve => {
+            let queue = Queues[id];
+            if (!queue)
+                queue = Queues[id] = [];
+            queue.push(resolve);
+            if (queue.length > 1)
+                return;
+            resolve(() => Scheduler.next(id));
+        });
+    }
+};
+/* EXPORT */
+exports.default = Scheduler;

server/libs/watcher/atomically/utils/temp.js

@@ -0,0 +1,56 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+const path = require("path");
+const consts_1 = require("../consts");
+const fs_1 = require("./fs");
+/* TEMP */
+//TODO: Maybe publish this as a standalone package
+const Temp = {
+    store: {},
+    create: (filePath) => {
+        const randomness = `000000${Math.floor(Math.random() * 16777215).toString(16)}`.slice(-6), // 6 random-enough hex characters
+        timestamp = Date.now().toString().slice(-10), // 10 precise timestamp digits
+        prefix = 'tmp-', suffix = `.${prefix}${timestamp}${randomness}`, tempPath = `${filePath}${suffix}`;
+        return tempPath;
+    },
+    get: (filePath, creator, purge = true) => {
+        const tempPath = Temp.truncate(creator(filePath));
+        if (tempPath in Temp.store)
+            return Temp.get(filePath, creator, purge); // Collision found, try again
+        Temp.store[tempPath] = purge;
+        const disposer = () => delete Temp.store[tempPath];
+        return [tempPath, disposer];
+    },
+    purge: (filePath) => {
+        if (!Temp.store[filePath])
+            return;
+        delete Temp.store[filePath];
+        fs_1.default.unlinkAttempt(filePath);
+    },
+    purgeSync: (filePath) => {
+        if (!Temp.store[filePath])
+            return;
+        delete Temp.store[filePath];
+        fs_1.default.unlinkSyncAttempt(filePath);
+    },
+    purgeSyncAll: () => {
+        for (const filePath in Temp.store) {
+            Temp.purgeSync(filePath);
+        }
+    },
+    truncate: (filePath) => {
+        const basename = path.basename(filePath);
+        if (basename.length <= consts_1.LIMIT_BASENAME_LENGTH)
+            return filePath; //FIXME: Rough and quick attempt at detecting ok lengths
+        const truncable = /^(\.?)(.*?)((?:\.[^.]+)?(?:\.tmp-\d{10}[a-f0-9]{6})?)$/.exec(basename);
+        if (!truncable)
+            return filePath; //FIXME: No truncable part detected, can't really do much without also changing the parent path, which is unsafe, hoping for the best here
+        const truncationLength = basename.length - consts_1.LIMIT_BASENAME_LENGTH;
+        return `${filePath.slice(0, -basename.length)}${truncable[1]}${truncable[2].slice(0, -truncationLength)}${truncable[3]}`; //FIXME: The truncable part might be shorter than needed here
+    }
+};
+/* INIT */
+process.on('exit', Temp.purgeSyncAll); // Ensuring purgeable temp files are purged on exit
+/* EXPORT */
+exports.default = Temp;

server/libs/watcher/constants.js

@@ -0,0 +1,30 @@
+"use strict";
+/* IMPORT */
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.RENAME_TIMEOUT = exports.POLLING_TIMEOUT = exports.POLLING_INTERVAL = exports.PLATFORM = exports.IS_WINDOWS = exports.IS_MAC = exports.IS_LINUX = exports.HAS_NATIVE_RECURSION = exports.DEPTH = exports.DEBOUNCE = void 0;
+const os_1 = __importDefault(require("os"));
+/* CONSTANTS */
+const DEBOUNCE = 300;
+exports.DEBOUNCE = DEBOUNCE;
+const DEPTH = 20;
+exports.DEPTH = DEPTH;
+const PLATFORM = os_1.default.platform();
+exports.PLATFORM = PLATFORM;
+const IS_LINUX = (PLATFORM === 'linux');
+exports.IS_LINUX = IS_LINUX;
+const IS_MAC = (PLATFORM === 'darwin');
+exports.IS_MAC = IS_MAC;
+const IS_WINDOWS = (PLATFORM === 'win32');
+exports.IS_WINDOWS = IS_WINDOWS;
+const HAS_NATIVE_RECURSION = IS_MAC || IS_WINDOWS;
+exports.HAS_NATIVE_RECURSION = HAS_NATIVE_RECURSION;
+const POLLING_INTERVAL = 3000;
+exports.POLLING_INTERVAL = POLLING_INTERVAL;
+const POLLING_TIMEOUT = 20000;
+exports.POLLING_TIMEOUT = POLLING_TIMEOUT;
+const RENAME_TIMEOUT = 1250;
+exports.RENAME_TIMEOUT = RENAME_TIMEOUT;
+//# sourceMappingURL=data:application/json;base64,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

server/libs/watcher/debounce.js

@@ -0,0 +1,70 @@
+/**
+ * Returns a function, that, as long as it continues to be invoked, will not
+ * be triggered. The function will be called after it stops being called for
+ * N milliseconds. If `immediate` is passed, trigger the function on the
+ * leading edge, instead of the trailing. The function also has a property 'clear' 
+ * that is a function which will clear the timer to prevent previously scheduled executions. 
+ *
+ * @source underscore.js
+ * @see http://unscriptable.com/2009/03/20/debouncing-javascript-methods/
+ * @param {Function} function to wrap
+ * @param {Number} timeout in ms (`100`)
+ * @param {Boolean} whether to execute at the beginning (`false`)
+ * @api public
+ */
+function debounce(func, wait, immediate) {
+  var timeout, args, context, timestamp, result;
+  if (null == wait) wait = 100;
+
+  function later() {
+    var last = Date.now() - timestamp;
+
+    if (last < wait && last >= 0) {
+      timeout = setTimeout(later, wait - last);
+    } else {
+      timeout = null;
+      if (!immediate) {
+        result = func.apply(context, args);
+        context = args = null;
+      }
+    }
+  };
+
+  var debounced = function () {
+    context = this;
+    args = arguments;
+    timestamp = Date.now();
+    var callNow = immediate && !timeout;
+    if (!timeout) timeout = setTimeout(later, wait);
+    if (callNow) {
+      result = func.apply(context, args);
+      context = args = null;
+    }
+
+    return result;
+  };
+
+  debounced.clear = function () {
+    if (timeout) {
+      clearTimeout(timeout);
+      timeout = null;
+    }
+  };
+
+  debounced.flush = function () {
+    if (timeout) {
+      result = func.apply(context, args);
+      context = args = null;
+
+      clearTimeout(timeout);
+      timeout = null;
+    }
+  };
+
+  return debounced;
+};
+
+// Adds compatibility for ES modules
+debounce.debounce = debounce;
+
+module.exports = debounce;

server/libs/watcher/enums.js

@@ -0,0 +1,4 @@
+"use strict";
+/* ENUMS */
+Object.defineProperty(exports, "__esModule", { value: true });
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiZW51bXMuanMiLCJzb3VyY2VSb290IjoiIiwic291cmNlcyI6WyIuLi9zcmMvZW51bXMudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IjtBQUNBLFdBQVcifQ==

server/libs/watcher/is-primitive.js

@@ -0,0 +1,15 @@
+/*!
+ * is-primitive <https://github.com/jonschlinkert/is-primitive>
+ *
+ * Copyright (c) 2014-present, Jon Schlinkert.
+ * Released under the MIT License.
+ */
+
+'use strict';
+
+module.exports = function isPrimitive(val) {
+  if (typeof val === 'object') {
+    return val === null;
+  }
+  return typeof val !== 'function';
+};

server/libs/watcher/promise-concurrency-limiter.js

@@ -0,0 +1,41 @@
+"use strict";
+/* IMPORT */
+/* PROMISE CONCURRENCY LIMITER */
+class Limiter {
+  /* CONSTRUCTOR */
+  constructor(options) {
+    this.concurrency = options.concurrency;
+    this.count = 0;
+    this.queue = new Set();
+  }
+  /* API */
+  add(fn) {
+    if (this.count < this.concurrency)
+      return this.run(fn);
+    return new Promise(resolve => {
+      const callback = () => resolve(this.run(fn));
+      this.queue.add(callback);
+    });
+  }
+  flush() {
+    for (const callback of this.queue) {
+      if (this.count >= this.concurrency)
+        break;
+      this.queue.delete(callback);
+      callback();
+    }
+  }
+  run(fn) {
+    this.count += 1;
+    const promise = fn();
+    const cleanup = () => {
+      this.count -= 1;
+      this.flush();
+    };
+    promise.then(cleanup, cleanup);
+    return promise;
+  }
+}
+module.exports = Limiter;
+module.exports.default = Limiter;
+Object.defineProperty(module.exports, "__esModule", { value: true });

server/libs/watcher/ripstat/consts.js

@@ -0,0 +1,19 @@
+"use strict";
+/* CONSTS */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.S_IFSOCK = exports.S_IFREG = exports.S_IFMT = exports.S_IFLNK = exports.S_IFIFO = exports.S_IFDIR = exports.S_IFCHR = exports.S_IFBLK = exports.RETRY_TIMEOUT = exports.MAX_SAFE_INTEGER = exports.IS_WINDOWS = void 0;
+const IS_WINDOWS = (process.platform === 'win32');
+exports.IS_WINDOWS = IS_WINDOWS;
+const { MAX_SAFE_INTEGER } = Number;
+exports.MAX_SAFE_INTEGER = MAX_SAFE_INTEGER;
+const RETRY_TIMEOUT = 5000;
+exports.RETRY_TIMEOUT = RETRY_TIMEOUT;
+const { S_IFBLK, S_IFCHR, S_IFDIR, S_IFIFO, S_IFLNK, S_IFMT, S_IFREG, S_IFSOCK } = process['binding']('constants').fs;
+exports.S_IFBLK = S_IFBLK;
+exports.S_IFCHR = S_IFCHR;
+exports.S_IFDIR = S_IFDIR;
+exports.S_IFIFO = S_IFIFO;
+exports.S_IFLNK = S_IFLNK;
+exports.S_IFMT = S_IFMT;
+exports.S_IFREG = S_IFREG;
+exports.S_IFSOCK = S_IFSOCK;

server/libs/watcher/ripstat/index.js

@@ -0,0 +1,39 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Stats = void 0;
+const fs_1 = require("../atomically/utils/fs");
+const path_1 = require("path");
+const consts_1 = require("./consts");
+const stats_1 = require("./stats");
+exports.Stats = stats_1.default;
+/* HELPERS */
+const { stat, FSReqCallback } = process['binding']('fs');
+/* RIPSTAT */
+const ripstat = (filePath, timeout) => {
+    return new Promise((resolve, reject) => {
+        const req = new FSReqCallback(true);
+        req.oncomplete = (error, statsdata) => {
+            if (error) {
+                const { code } = error;
+                if (code === 'EMFILE' || code === 'ENFILE' || code === 'EAGAIN' || code === 'EBUSY' || code === 'EACCESS' || code === 'EACCS' || code === 'EPERM') { // Retriable error
+                    fs_1.default.statRetry(timeout || consts_1.RETRY_TIMEOUT)(filePath, { bigint: true }).then(nstats => {
+                        const statsdata = [nstats.dev, nstats.mode, nstats.nlink, nstats.uid, nstats.gid, nstats.rdev, nstats.blksize, nstats.ino, nstats.size, nstats.blocks, 0n, nstats.atimeNs, 0n, nstats.mtimeNs, 0n, nstats.ctimeNs, 0n, nstats.birthtimeNs];
+                        const stats = new stats_1.default(statsdata);
+                        resolve(stats);
+                    }, reject);
+                }
+                else {
+                    reject(error);
+                }
+            }
+            else {
+                const stats = new stats_1.default(statsdata);
+                resolve(stats);
+            }
+        };
+        stat(path_1.toNamespacedPath(filePath), true, req);
+    });
+};
+/* EXPORT */
+exports.default = ripstat;

server/libs/watcher/ripstat/stats.js

@@ -0,0 +1,55 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+const consts_1 = require("./consts");
+/* HELPERS */
+const { floor } = Math;
+const toNumber = Number;
+/* STATS */
+class Stats {
+    /* CONSTRUCTOR */
+    constructor(stats) {
+        this.dev = toNumber(stats[0]);
+        this.mode = toNumber(stats[1]);
+        this.nlink = toNumber(stats[2]);
+        this.uid = toNumber(stats[3]);
+        this.gid = toNumber(stats[4]);
+        this.rdev = toNumber(stats[5]);
+        this.blksize = toNumber(stats[6]);
+        this.ino = (stats[7] <= consts_1.MAX_SAFE_INTEGER) ? toNumber(stats[7]) : stats[7];
+        this.size = toNumber(stats[8]);
+        this.blocks = toNumber(stats[9]);
+        this.atimeMs = (toNumber(stats[10]) * 1000) + floor(toNumber(stats[11]) / 1000000);
+        this.mtimeMs = (toNumber(stats[12]) * 1000) + floor(toNumber(stats[13]) / 1000000);
+        this.ctimeMs = (toNumber(stats[14]) * 1000) + floor(toNumber(stats[15]) / 1000000);
+        this.birthtimeMs = (toNumber(stats[16]) * 1000) + floor(toNumber(stats[17]) / 1000000);
+    }
+    /* HELPERS */
+    _isMode(mode) {
+        return (this.mode & consts_1.S_IFMT) === mode;
+    }
+    /* API */
+    isDirectory() {
+        return this._isMode(consts_1.S_IFDIR);
+    }
+    isFile() {
+        return this._isMode(consts_1.S_IFREG);
+    }
+    isBlockDevice() {
+        return !consts_1.IS_WINDOWS && this._isMode(consts_1.S_IFBLK);
+    }
+    isCharacterDevice() {
+        return this._isMode(consts_1.S_IFCHR);
+    }
+    isSymbolicLink() {
+        return this._isMode(consts_1.S_IFLNK);
+    }
+    isFIFO() {
+        return !consts_1.IS_WINDOWS && this._isMode(consts_1.S_IFIFO);
+    }
+    isSocket() {
+        return !consts_1.IS_WINDOWS && this._isMode(consts_1.S_IFSOCK);
+    }
+}
+/* EXPORT */
+exports.default = Stats;

server/libs/watcher/string-indexes.js

@@ -0,0 +1,17 @@
+"use strict";
+/* STRING INDEXES */
+function indexes(str, substr) {
+  var indexes = [], rangeLength = substr.length;
+  var indexFrom = 0;
+  while (true) {
+    var index = str.indexOf(substr, indexFrom);
+    if (index === -1)
+      return indexes;
+    indexes.push(index);
+    indexFrom = index + rangeLength;
+  }
+}
+/* EXPORT */
+module.exports = indexes;
+module.exports.default = indexes;
+Object.defineProperty(module.exports, "__esModule", { value: true });

server/libs/watcher/tiny-readdir.js

@@ -0,0 +1,104 @@
+"use strict";
+/* IMPORT */
+const fs = require("fs");
+const path = require("path");
+const promise_concurrency_limiter_1 = require("./promise-concurrency-limiter");
+/* HELPERS */
+const limiter = new promise_concurrency_limiter_1.default({ concurrency: 500 });
+/* TINY READDIR */
+const readdir = (rootPath, options) => {
+    var _a, _b, _c, _d;
+    const followSymlinks = (_a = options === null || options === void 0 ? void 0 : options.followSymlinks) !== null && _a !== void 0 ? _a : false, maxDepth = (_b = options === null || options === void 0 ? void 0 : options.depth) !== null && _b !== void 0 ? _b : Infinity, isIgnored = (_c = options === null || options === void 0 ? void 0 : options.ignore) !== null && _c !== void 0 ? _c : (() => false), signal = (_d = options === null || options === void 0 ? void 0 : options.signal) !== null && _d !== void 0 ? _d : { aborted: false }, directories = [], files = [], symlinks = [], map = {}, resultEmpty = { directories: [], files: [], symlinks: [], map: {} }, result = { directories, files, symlinks, map };
+    const handleDirectory = (dirmap, subPath, depth) => {
+        dirmap.directories.push(subPath);
+        directories.push(subPath);
+        if (depth >= maxDepth)
+            return;
+
+        // if depth > 1 and the limiter is full, then we cannot queue this function or the current promise will never return
+        if (depth > 1 && limiter.count >= limiter.concurrency) return populateResultFromPath(subPath, depth + 1)
+
+        return limiter.add(() => populateResultFromPath(subPath, depth + 1));
+    };
+    const handleFile = (dirmap, subPath) => {
+        dirmap.files.push(subPath);
+        files.push(subPath);
+    };
+    const handleSymlink = (dirmap, subPath, depth) => {
+        dirmap.symlinks.push(subPath);
+        symlinks.push(subPath);
+        if (!followSymlinks)
+            return;
+        if (depth >= maxDepth)
+            return;
+        return limiter.add(() => populateResultFromSymlink(subPath, depth + 1));
+    };
+    const handleStat = (dirmap, rootPath, stat, depth) => {
+        if (signal.aborted)
+            return;
+        if (isIgnored(rootPath))
+            return;
+        if (stat.isDirectory()) {
+            return handleDirectory(dirmap, rootPath, depth);
+        }
+        else if (stat.isFile()) {
+            return handleFile(dirmap, rootPath);
+        }
+        else if (stat.isSymbolicLink()) {
+            return handleSymlink(dirmap, rootPath, depth);
+        }
+    };
+    const handleDirent = (dirmap, rootPath, dirent, depth) => {
+        if (signal.aborted)
+            return;
+        const subPath = `${rootPath}${path.sep}${dirent.name}`;
+        if (isIgnored(subPath))
+            return;
+        if (dirent.isDirectory()) {
+            return handleDirectory(dirmap, subPath, depth);
+        }
+        else if (dirent.isFile()) {
+            return handleFile(dirmap, subPath);
+        }
+        else if (dirent.isSymbolicLink()) {
+            return handleSymlink(dirmap, subPath, depth);
+        }
+    };
+    const handleDirents = (dirmap, rootPath, dirents, depth) => {
+        return Promise.all(dirents.map((dirent) => {
+            return handleDirent(dirmap, rootPath, dirent, depth);
+        }));
+    };
+    const populateResultFromPath = async (rootPath, depth) => {
+        if (signal.aborted)
+            return;
+        if (depth > maxDepth)
+            return;
+        const dirents = await fs.promises.readdir(rootPath, { withFileTypes: true }).catch(() => []);
+        if (signal.aborted)
+            return;
+        const dirmap = map[rootPath] = { directories: [], files: [], symlinks: [] };
+        if (!dirents.length)
+            return;
+        await handleDirents(dirmap, rootPath, dirents, depth);
+    };
+    const populateResultFromSymlink = async (rootPath, depth) => {
+        try {
+            const realPath = await fs.promises.realpath(rootPath), stat = await fs.promises.stat(realPath), dirmap = map[rootPath] = { directories: [], files: [], symlinks: [] };
+            await handleStat(dirmap, realPath, stat, depth);
+        }
+        catch (_a) { }
+    };
+    const getResult = async (rootPath, depth = 1) => {
+        rootPath = path.normalize(rootPath);
+        await populateResultFromPath(rootPath, depth);
+        if (signal.aborted)
+            return resultEmpty;
+        return result;
+    };
+    return getResult(rootPath);
+};
+/* EXPORT */
+module.exports = readdir;
+module.exports.default = readdir;
+Object.defineProperty(module.exports, "__esModule", { value: true });

server/libs/watcher/types.js

@@ -0,0 +1,12 @@
+"use strict";
+/* IMPORT */
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WatcherStats = exports.Stats = void 0;
+const ripstat_1 = require("ripstat");
+Object.defineProperty(exports, "Stats", { enumerable: true, get: function () { return ripstat_1.Stats; } });
+const watcher_stats_1 = __importDefault(require("./watcher_stats"));
+exports.WatcherStats = watcher_stats_1.default;
+//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoidHlwZXMuanMiLCJzb3VyY2VSb290IjoiIiwic291cmNlcyI6WyIuLi9zcmMvdHlwZXMudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IjtBQUNBLFlBQVk7Ozs7OztBQUdaLHFDQUE4QjtBQWlGbUUsc0ZBakZ6RixlQUFLLE9BaUZ5RjtBQTlFdEcsb0VBQTJDO0FBOEUwSyx1QkE5RTlNLHVCQUFZLENBOEU4TSJ9

server/libs/watcher/utils.js

@@ -0,0 +1,88 @@
+"use strict";
+/* IMPORT */
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const are_shallow_equal_1 = __importDefault(require("./are-shallow-equal"));
+const debounce_1 = __importDefault(require("./debounce"));
+const path_1 = __importDefault(require("path"));
+const ripstat_1 = __importDefault(require("./ripstat"));
+const tiny_readdir_1 = __importDefault(require("./tiny-readdir"));
+const constants_1 = require("./constants");
+/* UTILS */
+const Utils = {
+    lang: {
+        areShallowEqual: //TODO: Import all these utilities from "nanodash" instead
+            are_shallow_equal_1.default,
+        debounce: debounce_1.default,
+        attempt: (fn) => {
+            try {
+                return fn();
+            }
+            catch (error) {
+                return Utils.lang.castError(error);
+            }
+        },
+        castArray: (x) => {
+            return Utils.lang.isArray(x) ? x : [x];
+        },
+        castError(exception) {
+            if (Utils.lang.isError(exception))
+                return exception;
+            if (Utils.lang.isString(exception))
+                return new Error(exception);
+            return new Error('Unknown error');
+        },
+        defer: (callback) => {
+            return setTimeout(callback, 0);
+        },
+        isArray: (x) => {
+            return Array.isArray(x);
+        },
+        isError(x) {
+            return x instanceof Error;
+        },
+        isFunction: (x) => {
+            return typeof x === 'function';
+        },
+        isNumber: (x) => {
+            return typeof x === 'number';
+        },
+        isString: (x) => {
+            return typeof x === 'string';
+        },
+        isUndefined: (x) => {
+            return x === undefined;
+        },
+        noop: () => {
+            return;
+        },
+        uniq: (arr) => {
+            if (arr.length < 2)
+                return arr;
+            return Array.from(new Set(arr));
+        }
+    },
+    fs: {
+        isSubPath: (targetPath, subPath) => {
+            return (subPath.startsWith(targetPath) && subPath[targetPath.length] === path_1.default.sep && (subPath.length - targetPath.length) > path_1.default.sep.length);
+        },
+        poll: (targetPath, timeout = constants_1.POLLING_TIMEOUT) => {
+            return ripstat_1.default(targetPath, timeout).catch(Utils.lang.noop);
+        },
+        readdir: async (rootPath, ignore, depth = Infinity, signal, readdirMap) => {
+            if (readdirMap && depth === 1 && rootPath in readdirMap) { // Reusing cached data
+                const result = readdirMap[rootPath];
+                return [result.directories, result.files];
+            }
+            else { // Retrieving fresh data
+                const result = await tiny_readdir_1.default(rootPath, { depth, ignore, signal });
+                return [result.directories, result.files];
+            }
+        }
+    }
+};
+/* EXPORT */
+exports.default = Utils;
+//# sourceMappingURL=data:application/json;base64,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

server/libs/watcher/watcher_locks_resolver.js

@@ -0,0 +1,45 @@
+"use strict";
+/* WATCHER LOCKS RESOLVER */
+Object.defineProperty(exports, "__esModule", { value: true });
+// Registering a single interval scales much better than registering N timeouts
+// Timeouts are respected within the interval margin
+const WatcherLocksResolver = {
+    /* VARIABLES */
+    interval: 100,
+    intervalId: undefined,
+    fns: new Map(),
+    /* LIFECYCLE */
+    init: () => {
+        if (WatcherLocksResolver.intervalId)
+            return;
+        WatcherLocksResolver.intervalId = setInterval(WatcherLocksResolver.resolve, WatcherLocksResolver.interval);
+    },
+    reset: () => {
+        if (!WatcherLocksResolver.intervalId)
+            return;
+        clearInterval(WatcherLocksResolver.intervalId);
+        delete WatcherLocksResolver.intervalId;
+    },
+    /* API */
+    add: (fn, timeout) => {
+        WatcherLocksResolver.fns.set(fn, Date.now() + timeout);
+        WatcherLocksResolver.init();
+    },
+    remove: (fn) => {
+        WatcherLocksResolver.fns.delete(fn);
+    },
+    resolve: () => {
+        if (!WatcherLocksResolver.fns.size)
+            return WatcherLocksResolver.reset();
+        const now = Date.now();
+        for (const [fn, timestamp] of WatcherLocksResolver.fns) {
+            if (timestamp >= now)
+                continue; // We should still wait some more for this
+            WatcherLocksResolver.remove(fn);
+            fn();
+        }
+    }
+};
+/* EXPORT */
+exports.default = WatcherLocksResolver;
+//# sourceMappingURL=data:application/json;base64,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

server/libs/watcher/watcher_poller.js

@@ -0,0 +1,113 @@
+"use strict";
+/* IMPORT */
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const utils_1 = __importDefault(require("./utils"));
+const watcher_stats_1 = __importDefault(require("./watcher_stats"));
+/* WATCHER POLLER */
+class WatcherPoller {
+    constructor() {
+        /* VARIABLES */
+        this.inos = {};
+        this.stats = new Map();
+    }
+    /* API */
+    getIno(targetPath, event, type) {
+        const inos = this.inos[event];
+        if (!inos)
+            return;
+        const ino = inos[targetPath];
+        if (!ino)
+            return;
+        if (type && ino[1] !== type)
+            return;
+        return ino[0];
+    }
+    getStats(targetPath) {
+        return this.stats.get(targetPath);
+    }
+    async poll(targetPath, timeout) {
+        const stats = await utils_1.default.fs.poll(targetPath, timeout);
+        if (!stats)
+            return;
+        const isSupported = stats.isFile() || stats.isDirectory();
+        if (!isSupported)
+            return;
+        return new watcher_stats_1.default(stats);
+    }
+    reset() {
+        this.inos = {};
+        this.stats = new Map();
+    }
+    async update(targetPath, timeout) {
+        const prev = this.getStats(targetPath), next = await this.poll(targetPath, timeout);
+        this.updateStats(targetPath, next);
+        if (!prev && next) {
+            if (next.isFile()) {
+                this.updateIno(targetPath, "add" /* ADD */, next);
+                return ["add" /* ADD */];
+            }
+            if (next.isDirectory()) {
+                this.updateIno(targetPath, "addDir" /* ADD_DIR */, next);
+                return ["addDir" /* ADD_DIR */];
+            }
+        }
+        else if (prev && !next) {
+            if (prev.isFile()) {
+                this.updateIno(targetPath, "unlink" /* UNLINK */, prev);
+                return ["unlink" /* UNLINK */];
+            }
+            if (prev.isDirectory()) {
+                this.updateIno(targetPath, "unlinkDir" /* UNLINK_DIR */, prev);
+                return ["unlinkDir" /* UNLINK_DIR */];
+            }
+        }
+        else if (prev && next) {
+            if (prev.isFile()) {
+                if (next.isFile()) {
+                    if (prev.ino === next.ino && !prev.size && !next.size)
+                        return []; // Same path, same content and same file, nothing actually changed
+                    this.updateIno(targetPath, "change" /* CHANGE */, next);
+                    return ["change" /* CHANGE */];
+                }
+                if (next.isDirectory()) {
+                    this.updateIno(targetPath, "unlink" /* UNLINK */, prev);
+                    this.updateIno(targetPath, "addDir" /* ADD_DIR */, next);
+                    return ["unlink" /* UNLINK */, "addDir" /* ADD_DIR */];
+                }
+            }
+            else if (prev.isDirectory()) {
+                if (next.isFile()) {
+                    this.updateIno(targetPath, "unlinkDir" /* UNLINK_DIR */, prev);
+                    this.updateIno(targetPath, "add" /* ADD */, next);
+                    return ["unlinkDir" /* UNLINK_DIR */, "add" /* ADD */];
+                }
+                if (next.isDirectory()) {
+                    if (prev.ino === next.ino)
+                        return []; // Same path and same directory, nothing actually changed
+                    this.updateIno(targetPath, "unlinkDir" /* UNLINK_DIR */, prev);
+                    this.updateIno(targetPath, "addDir" /* ADD_DIR */, next);
+                    return ["unlinkDir" /* UNLINK_DIR */, "addDir" /* ADD_DIR */];
+                }
+            }
+        }
+        return [];
+    }
+    updateIno(targetPath, event, stats) {
+        const inos = this.inos[event] = this.inos[event] || (this.inos[event] = {}), type = stats.isFile() ? 2 /* FILE */ : 1 /* DIR */;
+        inos[targetPath] = [stats.ino, type];
+    }
+    updateStats(targetPath, stats) {
+        if (stats) {
+            this.stats.set(targetPath, stats);
+        }
+        else {
+            this.stats.delete(targetPath);
+        }
+    }
+}
+/* EXPORT */
+exports.default = WatcherPoller;
+//# sourceMappingURL=data:application/json;base64,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

server/libs/watcher/watcher_stats.js

@@ -0,0 +1,32 @@
+"use strict";
+/* IMPORT */
+Object.defineProperty(exports, "__esModule", { value: true });
+/* WATCHER STATS */
+// An even more memory-efficient representation of the useful subset of stats objects
+class WatcherStats {
+    /* CONSTRUCTOR */
+    constructor(stats) {
+        this.ino = stats.ino;
+        this.size = stats.size;
+        this.atimeMs = stats.atimeMs;
+        this.mtimeMs = stats.mtimeMs;
+        this.ctimeMs = stats.ctimeMs;
+        this.birthtimeMs = stats.birthtimeMs;
+        this._isFile = stats.isFile();
+        this._isDirectory = stats.isDirectory();
+        this._isSymbolicLink = stats.isSymbolicLink();
+    }
+    /* API */
+    isFile() {
+        return this._isFile;
+    }
+    isDirectory() {
+        return this._isDirectory;
+    }
+    isSymbolicLink() {
+        return this._isSymbolicLink;
+    }
+}
+/* EXPORT */
+exports.default = WatcherStats;
+//# sourceMappingURL=data:application/json;base64,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