first commit

node_modules/chromium-bidi/lib/bidiMapper/modules/context/BrowsingContextStorage.js

@@ -0,0 +1,130 @@
+/**
+ * Copyright 2022 Google LLC.
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { NoSuchFrameException, InvalidArgumentException, } from '../../../protocol/protocol.js';
+import { EventEmitter } from '../../../utils/EventEmitter.js';
+/** Container class for browsing contexts. */
+export class BrowsingContextStorage {
+    /** Map from context ID to context implementation. */
+    #contexts = new Map();
+    /** Event emitter for browsing context storage eventsis not expected to be exposed to
+     * the outside world. */
+    #eventEmitter = new EventEmitter();
+    /** Gets all top-level contexts, i.e. those with no parent. */
+    getTopLevelContexts() {
+        return this.getAllContexts().filter((context) => context.isTopLevelContext());
+    }
+    /** Gets all contexts. */
+    getAllContexts() {
+        return Array.from(this.#contexts.values());
+    }
+    /** Deletes the context with the given ID. */
+    deleteContextById(id) {
+        this.#contexts.delete(id);
+    }
+    /** Deletes the given context. */
+    deleteContext(context) {
+        this.#contexts.delete(context.id);
+    }
+    /** Tracks the given context. */
+    addContext(context) {
+        this.#contexts.set(context.id, context);
+        this.#eventEmitter.emit("added" /* BrowsingContextStorageEvents.Added */, {
+            browsingContext: context,
+        });
+    }
+    /**
+     * Waits for a context with the given ID to be added and returns it.
+     */
+    waitForContext(browsingContextId) {
+        if (this.#contexts.has(browsingContextId)) {
+            return Promise.resolve(this.getContext(browsingContextId));
+        }
+        return new Promise((resolve) => {
+            const listener = (event) => {
+                if (event.browsingContext.id === browsingContextId) {
+                    this.#eventEmitter.off("added" /* BrowsingContextStorageEvents.Added */, listener);
+                    resolve(event.browsingContext);
+                }
+            };
+            this.#eventEmitter.on("added" /* BrowsingContextStorageEvents.Added */, listener);
+        });
+    }
+    /** Returns true whether there is an existing context with the given ID. */
+    hasContext(id) {
+        return this.#contexts.has(id);
+    }
+    /** Gets the context with the given ID, if any. */
+    findContext(id) {
+        return this.#contexts.get(id);
+    }
+    /** Returns the top-level context ID of the given context, if any. */
+    findTopLevelContextId(id) {
+        if (id === null) {
+            return null;
+        }
+        const maybeContext = this.findContext(id);
+        if (!maybeContext) {
+            return null;
+        }
+        const parentId = maybeContext.parentId ?? null;
+        if (parentId === null) {
+            return id;
+        }
+        return this.findTopLevelContextId(parentId);
+    }
+    findContextBySession(sessionId) {
+        for (const context of this.#contexts.values()) {
+            if (context.cdpTarget.cdpSessionId === sessionId) {
+                return context;
+            }
+        }
+        return;
+    }
+    /** Gets the context with the given ID, if any, otherwise throws. */
+    getContext(id) {
+        const result = this.findContext(id);
+        if (result === undefined) {
+            throw new NoSuchFrameException(`Context ${id} not found`);
+        }
+        return result;
+    }
+    verifyTopLevelContextsList(contexts) {
+        const foundContexts = new Set();
+        if (!contexts) {
+            return foundContexts;
+        }
+        for (const contextId of contexts) {
+            const context = this.getContext(contextId);
+            if (context.isTopLevelContext()) {
+                foundContexts.add(context);
+            }
+            else {
+                throw new InvalidArgumentException(`Non top-level context '${contextId}' given.`);
+            }
+        }
+        return foundContexts;
+    }
+    verifyContextsList(contexts) {
+        if (!contexts.length) {
+            return;
+        }
+        for (const contextId of contexts) {
+            this.getContext(contextId);
+        }
+    }
+}
+//# sourceMappingURL=BrowsingContextStorage.js.map