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remotion/node_modules/@remotion/studio-server/dist/preview-server/file-existence-watchers.js

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+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.unsubscribeClientFileExistenceWatchers = exports.unsubscribeFromFileExistenceWatchers = exports.subscribeToFileExistenceWatchers = void 0;
+const node_path_1 = __importDefault(require("node:path"));
+const file_watcher_1 = require("../file-watcher");
+const live_events_1 = require("./live-events");
+const fileExistenceWatchers = {};
+const subscribeToFileExistenceWatchers = ({ file: relativeFile, remotionRoot, clientId, }) => {
+    const file = node_path_1.default.resolve(remotionRoot, relativeFile);
+    const { unwatch, exists } = (0, file_watcher_1.installFileWatcher)({
+        file,
+        onChange: (type) => {
+            if (type === 'created') {
+                (0, live_events_1.waitForLiveEventsListener)().then((listener) => {
+                    listener.sendEventToClient({
+                        type: 'watched-file-undeleted',
+                        // Must be relative file because that's what the client expects
+                        file: relativeFile,
+                    });
+                });
+            }
+            if (type === 'deleted') {
+                (0, live_events_1.waitForLiveEventsListener)().then((listener) => {
+                    listener.sendEventToClient({
+                        type: 'watched-file-deleted',
+                        // Must be relative file because that's what the client expects
+                        file: relativeFile,
+                    });
+                });
+            }
+        },
+    });
+    if (!fileExistenceWatchers[clientId]) {
+        fileExistenceWatchers[clientId] = {};
+    }
+    fileExistenceWatchers[clientId][file] = unwatch;
+    return { exists };
+};
+exports.subscribeToFileExistenceWatchers = subscribeToFileExistenceWatchers;
+const unsubscribeFromFileExistenceWatchers = ({ file, remotionRoot, clientId, }) => {
+    var _a, _b;
+    const actualPath = node_path_1.default.resolve(remotionRoot, file);
+    if (!fileExistenceWatchers[clientId]) {
+        return;
+    }
+    (_b = (_a = fileExistenceWatchers[clientId])[actualPath]) === null || _b === void 0 ? void 0 : _b.call(_a);
+    delete fileExistenceWatchers[clientId][actualPath];
+};
+exports.unsubscribeFromFileExistenceWatchers = unsubscribeFromFileExistenceWatchers;
+const unsubscribeClientFileExistenceWatchers = (clientId) => {
+    if (!fileExistenceWatchers[clientId]) {
+        return;
+    }
+    Object.values(fileExistenceWatchers[clientId]).forEach((unwatch) => {
+        unwatch();
+    });
+    delete fileExistenceWatchers[clientId];
+};
+exports.unsubscribeClientFileExistenceWatchers = unsubscribeClientFileExistenceWatchers;