1 files changed, 0 insertions, 368 deletions
diff --git a/includes/external/matrix/node_modules/matrix-js-sdk/src/models/relations.ts b/includes/external/matrix/node_modules/matrix-js-sdk/src/models/relations.ts
deleted file mode 100644
index d2b637c..0000000
--- a/includes/external/matrix/node_modules/matrix-js-sdk/src/models/relations.ts
+++ /dev/null
@@ -1,368 +0,0 @@
-/*
-Copyright 2019, 2021, 2023 The Matrix.org Foundation C.I.C.
-
-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 { EventStatus, IAggregatedRelation, MatrixEvent, MatrixEventEvent } from "./event";
-import { logger } from "../logger";
-import { RelationType } from "../@types/event";
-import { TypedEventEmitter } from "./typed-event-emitter";
-import { MatrixClient } from "../client";
-import { Room } from "./room";
-
-export enum RelationsEvent {
-    Add = "Relations.add",
-    Remove = "Relations.remove",
-    Redaction = "Relations.redaction",
-}
-
-export type EventHandlerMap = {
-    [RelationsEvent.Add]: (event: MatrixEvent) => void;
-    [RelationsEvent.Remove]: (event: MatrixEvent) => void;
-    [RelationsEvent.Redaction]: (event: MatrixEvent) => void;
-};
-
-const matchesEventType = (eventType: string, targetEventType: string, altTargetEventTypes: string[] = []): boolean =>
-    [targetEventType, ...altTargetEventTypes].includes(eventType);
-
-/**
- * A container for relation events that supports easy access to common ways of
- * aggregating such events. Each instance holds events that of a single relation
- * type and event type. All of the events also relate to the same original event.
- *
- * The typical way to get one of these containers is via
- * EventTimelineSet#getRelationsForEvent.
- */
-export class Relations extends TypedEventEmitter<RelationsEvent, EventHandlerMap> {
-    private relationEventIds = new Set<string>();
-    private relations = new Set<MatrixEvent>();
-    private annotationsByKey: Record<string, Set<MatrixEvent>> = {};
-    private annotationsBySender: Record<string, Set<MatrixEvent>> = {};
-    private sortedAnnotationsByKey: [string, Set<MatrixEvent>][] = [];
-    private targetEvent: MatrixEvent | null = null;
-    private creationEmitted = false;
-    private readonly client: MatrixClient;
-
-    /**
-     * @param relationType - The type of relation involved, such as "m.annotation", "m.reference", "m.replace", etc.
-     * @param eventType - The relation event's type, such as "m.reaction", etc.
-     * @param client - The client which created this instance. For backwards compatibility also accepts a Room.
-     * @param altEventTypes - alt event types for relation events, for example to support unstable prefixed event types
-     */
-    public constructor(
-        public readonly relationType: RelationType | string,
-        public readonly eventType: string,
-        client: MatrixClient | Room,
-        public readonly altEventTypes?: string[],
-    ) {
-        super();
-        this.client = client instanceof Room ? client.client : client;
-    }
-
-    /**
-     * Add relation events to this collection.
-     *
-     * @param event - The new relation event to be added.
-     */
-    public async addEvent(event: MatrixEvent): Promise<void> {
-        if (this.relationEventIds.has(event.getId()!)) {
-            return;
-        }
-
-        const relation = event.getRelation();
-        if (!relation) {
-            logger.error("Event must have relation info");
-            return;
-        }
-
-        const relationType = relation.rel_type;
-        const eventType = event.getType();
-
-        if (this.relationType !== relationType || !matchesEventType(eventType, this.eventType, this.altEventTypes)) {
-            logger.error("Event relation info doesn't match this container");
-            return;
-        }
-
-        // If the event is in the process of being sent, listen for cancellation
-        // so we can remove the event from the collection.
-        if (event.isSending()) {
-            event.on(MatrixEventEvent.Status, this.onEventStatus);
-        }
-
-        this.relations.add(event);
-        this.relationEventIds.add(event.getId()!);
-
-        if (this.relationType === RelationType.Annotation) {
-            this.addAnnotationToAggregation(event);
-        } else if (this.relationType === RelationType.Replace && this.targetEvent && !this.targetEvent.isState()) {
-            const lastReplacement = await this.getLastReplacement();
-            this.targetEvent.makeReplaced(lastReplacement!);
-        }
-
-        event.on(MatrixEventEvent.BeforeRedaction, this.onBeforeRedaction);
-
-        this.emit(RelationsEvent.Add, event);
-
-        this.maybeEmitCreated();
-    }
-
-    /**
-     * Remove relation event from this collection.
-     *
-     * @param event - The relation event to remove.
-     */
-    public async removeEvent(event: MatrixEvent): Promise<void> {
-        if (!this.relations.has(event)) {
-            return;
-        }
-
-        this.relations.delete(event);
-
-        if (this.relationType === RelationType.Annotation) {
-            this.removeAnnotationFromAggregation(event);
-        } else if (this.relationType === RelationType.Replace && this.targetEvent && !this.targetEvent.isState()) {
-            const lastReplacement = await this.getLastReplacement();
-            this.targetEvent.makeReplaced(lastReplacement!);
-        }
-
-        this.emit(RelationsEvent.Remove, event);
-    }
-
-    /**
-     * Listens for event status changes to remove cancelled events.
-     *
-     * @param event - The event whose status has changed
-     * @param status - The new status
-     */
-    private onEventStatus = (event: MatrixEvent, status: EventStatus | null): void => {
-        if (!event.isSending()) {
-            // Sending is done, so we don't need to listen anymore
-            event.removeListener(MatrixEventEvent.Status, this.onEventStatus);
-            return;
-        }
-        if (status !== EventStatus.CANCELLED) {
-            return;
-        }
-        // Event was cancelled, remove from the collection
-        event.removeListener(MatrixEventEvent.Status, this.onEventStatus);
-        this.removeEvent(event);
-    };
-
-    /**
-     * Get all relation events in this collection.
-     *
-     * These are currently in the order of insertion to this collection, which
-     * won't match timeline order in the case of scrollback.
-     * TODO: Tweak `addEvent` to insert correctly for scrollback.
-     *
-     * Relation events in insertion order.
-     */
-    public getRelations(): MatrixEvent[] {
-        return [...this.relations];
-    }
-
-    private addAnnotationToAggregation(event: MatrixEvent): void {
-        const { key } = event.getRelation() ?? {};
-        if (!key) return;
-
-        let eventsForKey = this.annotationsByKey[key];
-        if (!eventsForKey) {
-            eventsForKey = this.annotationsByKey[key] = new Set();
-            this.sortedAnnotationsByKey.push([key, eventsForKey]);
-        }
-        // Add the new event to the set for this key
-        eventsForKey.add(event);
-        // Re-sort the [key, events] pairs in descending order of event count
-        this.sortedAnnotationsByKey.sort((a, b) => {
-            const aEvents = a[1];
-            const bEvents = b[1];
-            return bEvents.size - aEvents.size;
-        });
-
-        const sender = event.getSender()!;
-        let eventsFromSender = this.annotationsBySender[sender];
-        if (!eventsFromSender) {
-            eventsFromSender = this.annotationsBySender[sender] = new Set();
-        }
-        // Add the new event to the set for this sender
-        eventsFromSender.add(event);
-    }
-
-    private removeAnnotationFromAggregation(event: MatrixEvent): void {
-        const { key } = event.getRelation() ?? {};
-        if (!key) return;
-
-        const eventsForKey = this.annotationsByKey[key];
-        if (eventsForKey) {
-            eventsForKey.delete(event);
-
-            // Re-sort the [key, events] pairs in descending order of event count
-            this.sortedAnnotationsByKey.sort((a, b) => {
-                const aEvents = a[1];
-                const bEvents = b[1];
-                return bEvents.size - aEvents.size;
-            });
-        }
-
-        const sender = event.getSender()!;
-        const eventsFromSender = this.annotationsBySender[sender];
-        if (eventsFromSender) {
-            eventsFromSender.delete(event);
-        }
-    }
-
-    /**
-     * For relations that have been redacted, we want to remove them from
-     * aggregation data sets and emit an update event.
-     *
-     * To do so, we listen for `Event.beforeRedaction`, which happens:
-     *   - after the server accepted the redaction and remote echoed back to us
-     *   - before the original event has been marked redacted in the client
-     *
-     * @param redactedEvent - The original relation event that is about to be redacted.
-     */
-    private onBeforeRedaction = async (redactedEvent: MatrixEvent): Promise<void> => {
-        if (!this.relations.has(redactedEvent)) {
-            return;
-        }
-
-        this.relations.delete(redactedEvent);
-
-        if (this.relationType === RelationType.Annotation) {
-            // Remove the redacted annotation from aggregation by key
-            this.removeAnnotationFromAggregation(redactedEvent);
-        } else if (this.relationType === RelationType.Replace && this.targetEvent && !this.targetEvent.isState()) {
-            const lastReplacement = await this.getLastReplacement();
-            this.targetEvent.makeReplaced(lastReplacement!);
-        }
-
-        redactedEvent.removeListener(MatrixEventEvent.BeforeRedaction, this.onBeforeRedaction);
-
-        this.emit(RelationsEvent.Redaction, redactedEvent);
-    };
-
-    /**
-     * Get all events in this collection grouped by key and sorted by descending
-     * event count in each group.
-     *
-     * This is currently only supported for the annotation relation type.
-     *
-     * An array of [key, events] pairs sorted by descending event count.
-     * The events are stored in a Set (which preserves insertion order).
-     */
-    public getSortedAnnotationsByKey(): [string, Set<MatrixEvent>][] | null {
-        if (this.relationType !== RelationType.Annotation) {
-            // Other relation types are not grouped currently.
-            return null;
-        }
-
-        return this.sortedAnnotationsByKey;
-    }
-
-    /**
-     * Get all events in this collection grouped by sender.
-     *
-     * This is currently only supported for the annotation relation type.
-     *
-     * An object with each relation sender as a key and the matching Set of
-     * events for that sender as a value.
-     */
-    public getAnnotationsBySender(): Record<string, Set<MatrixEvent>> | null {
-        if (this.relationType !== RelationType.Annotation) {
-            // Other relation types are not grouped currently.
-            return null;
-        }
-
-        return this.annotationsBySender;
-    }
-
-    /**
-     * Returns the most recent (and allowed) m.replace relation, if any.
-     *
-     * This is currently only supported for the m.replace relation type,
-     * once the target event is known, see `addEvent`.
-     */
-    public async getLastReplacement(): Promise<MatrixEvent | null> {
-        if (this.relationType !== RelationType.Replace) {
-            // Aggregating on last only makes sense for this relation type
-            return null;
-        }
-        if (!this.targetEvent) {
-            // Don't know which replacements to accept yet.
-            // This method shouldn't be called before the original
-            // event is known anyway.
-            return null;
-        }
-
-        // the all-knowning server tells us that the event at some point had
-        // this timestamp for its replacement, so any following replacement should definitely not be less
-        const replaceRelation = this.targetEvent.getServerAggregatedRelation<IAggregatedRelation>(RelationType.Replace);
-        const minTs = replaceRelation?.origin_server_ts;
-
-        const lastReplacement = this.getRelations().reduce<MatrixEvent | null>((last, event) => {
-            if (event.getSender() !== this.targetEvent!.getSender()) {
-                return last;
-            }
-            if (minTs && minTs > event.getTs()) {
-                return last;
-            }
-            if (last && last.getTs() > event.getTs()) {
-                return last;
-            }
-            return event;
-        }, null);
-
-        if (lastReplacement?.shouldAttemptDecryption() && this.client.isCryptoEnabled()) {
-            await lastReplacement.attemptDecryption(this.client.crypto!);
-        } else if (lastReplacement?.isBeingDecrypted()) {
-            await lastReplacement.getDecryptionPromise();
-        }
-
-        return lastReplacement;
-    }
-
-    /*
-     * @param targetEvent - the event the relations are related to.
-     */
-    public async setTargetEvent(event: MatrixEvent): Promise<void> {
-        if (this.targetEvent) {
-            return;
-        }
-        this.targetEvent = event;
-
-        if (this.relationType === RelationType.Replace && !this.targetEvent.isState()) {
-            const replacement = await this.getLastReplacement();
-            // this is the initial update, so only call it if we already have something
-            // to not emit Event.replaced needlessly
-            if (replacement) {
-                this.targetEvent.makeReplaced(replacement);
-            }
-        }
-
-        this.maybeEmitCreated();
-    }
-
-    private maybeEmitCreated(): void {
-        if (this.creationEmitted) {
-            return;
-        }
-        // Only emit we're "created" once we have a target event instance _and_
-        // at least one related event.
-        if (!this.targetEvent || !this.relations.size) {
-            return;
-        }
-        this.creationEmitted = true;
-        this.targetEvent.emit(MatrixEventEvent.RelationsCreated, this.relationType, this.eventType);
-    }
-}