element-web/test/editor/mock.ts
David Langley 491f0cd08a
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2024-09-09 13:57:16 +00:00

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TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2019-2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { Room, MatrixClient, RoomMember } from "matrix-js-sdk/src/matrix";
import AutocompleteWrapperModel, { UpdateCallback } from "../../src/editor/autocomplete";
import { Caret } from "../../src/editor/caret";
import { PillPart, Part, PartCreator } from "../../src/editor/parts";
import DocumentPosition from "../../src/editor/position";
export class MockAutoComplete {
public _updateCallback;
public _partCreator;
public _completions;
public _part: Part | null;
constructor(updateCallback: UpdateCallback, partCreator: PartCreator, completions: PillPart[]) {
this._updateCallback = updateCallback;
this._partCreator = partCreator;
this._completions = completions;
this._part = null;
}
close() {
this._updateCallback({ close: true });
}
tryComplete(close = true) {
const matches = this._completions.filter((o) => {
return this._part && o.resourceId.startsWith(this._part.text);
});
if (matches.length === 1 && this._part && this._part.text.length > 1) {
const match = matches[0];
let pill: PillPart;
if (match.resourceId[0] === "@") {
pill = this._partCreator.userPill(match.text, match.resourceId);
} else {
pill = this._partCreator.roomPill(match.resourceId);
}
this._updateCallback({ replaceParts: [pill], close });
}
}
// called by EditorModel when typing into pill-candidate part
onPartUpdate(part: Part, pos: DocumentPosition) {
this._part = part;
}
}
// MockClient & MockRoom are only used for avatars in room and user pills,
// which is not tested
class MockRoom {
getMember(): RoomMember | null {
return null;
}
}
export function createPartCreator(completions: PillPart[] = []) {
const autoCompleteCreator = (partCreator: PartCreator) => {
return (updateCallback: UpdateCallback) =>
new MockAutoComplete(updateCallback, partCreator, completions) as unknown as AutocompleteWrapperModel;
};
const room = new MockRoom() as unknown as Room;
const client = {
getRooms: jest.fn().mockReturnValue([]),
getRoom: jest.fn().mockReturnValue(null),
} as unknown as MatrixClient;
return new PartCreator(room, client, autoCompleteCreator);
}
export function createRenderer() {
const render = (c?: Caret) => {
render.caret = c;
render.count += 1;
};
render.count = 0;
render.caret = null as unknown as Caret | undefined;
return render;
}
// in many tests we need to narrow the caret type
export function isDocumentPosition(caret: Caret): caret is DocumentPosition {
return caret instanceof DocumentPosition;
}