Move SlashCommands and SlashCommands-test into subdirs (#31979)

* Move SlashCommands into slash-commands

* Move SlashCommands test prep into a function that can be re-used from multiple files

* Move slash command tests into separate files

* Fix super-linear regexes and test some more slash commands

* Move splitAtFirstSpace tests into a separate file

* Test for parseCommandString

* Make parseCommandString able to handle leading whitespace and tabs

* Implement parseCommandString using splitAtFirstSpace

* Extract emoticons slash commands into a separate file and share their code

src/components/views/dialogs/SlashCommandHelpDialog.tsx

@@ -9,7 +9,7 @@ Please see LICENSE files in the repository root for full details.
 import React from "react";
 
 import { _t } from "../../../languageHandler";
-import { type Command, CommandCategories, Commands } from "../../../SlashCommands";
+import { type Command, CommandCategories, Commands } from "../../../slash-commands/SlashCommands";
 import InfoDialog from "./InfoDialog";
 import { MatrixClientPeg } from "../../../MatrixClientPeg";
 

src/components/views/rooms/BasicMessageComposer.tsx

@@ -29,7 +29,7 @@ import { parseEvent, parsePlainTextMessage } from "../../../editor/deserialize";
 import { renderModel } from "../../../editor/render";
 import SettingsStore from "../../../settings/SettingsStore";
 import { IS_MAC, Key } from "../../../Keyboard";
-import { CommandCategories, CommandMap, parseCommandString } from "../../../SlashCommands";
+import { CommandCategories, CommandMap, parseCommandString } from "../../../slash-commands/SlashCommands";
 import Range from "../../../editor/range";
 import MessageComposerFormatBar, { Formatting } from "./MessageComposerFormatBar";
 import type DocumentOffset from "../../../editor/offset";

src/components/views/rooms/EditMessageComposer.tsx

@@ -27,7 +27,7 @@ import { parseEvent } from "../../../editor/deserialize";
 import { CommandPartCreator, type Part, type PartCreator, type SerializedPart } from "../../../editor/parts";
 import type EditorStateTransfer from "../../../utils/EditorStateTransfer";
 import BasicMessageComposer, { REGEX_EMOTICON } from "./BasicMessageComposer";
-import { CommandCategories } from "../../../SlashCommands";
+import { CommandCategories } from "../../../slash-commands/SlashCommands";
 import { Action } from "../../../dispatcher/actions";
 import { getKeyBindingsManager } from "../../../KeyBindingsManager";
 import SendHistoryManager from "../../../SendHistoryManager";

src/components/views/rooms/SendMessageComposer.tsx

@@ -36,7 +36,7 @@ import BasicMessageComposer, { REGEX_EMOTICON } from "./BasicMessageComposer";
 import { CommandPartCreator, type Part, type PartCreator, type SerializedPart } from "../../../editor/parts";
 import { findEditableEvent } from "../../../utils/EventUtils";
 import SendHistoryManager from "../../../SendHistoryManager";
-import { CommandCategories } from "../../../SlashCommands";
+import { CommandCategories } from "../../../slash-commands/SlashCommands";
 import ContentMessages from "../../../ContentMessages";
 import { withMatrixClientHOC, type MatrixClientProps } from "../../../contexts/MatrixClientContext";
 import { Action } from "../../../dispatcher/actions";

src/components/views/rooms/wysiwyg_composer/utils/message.ts

@@ -29,7 +29,7 @@ import { endEditing, cancelPreviousPendingEdit } from "./editing";
 import type EditorStateTransfer from "../../../../../utils/EditorStateTransfer";
 import { createMessageContent, EMOTE_PREFIX } from "./createMessageContent";
 import { isContentModified } from "./isContentModified";
-import { CommandCategories, getCommand } from "../../../../../SlashCommands";
+import { CommandCategories, getCommand } from "../../../../../slash-commands/SlashCommands";
 import { runSlashCommand, shouldSendAnyway } from "../../../../../editor/commands";
 import { Action } from "../../../../../dispatcher/actions";
 import { addReplyToMessageContent } from "../../../../../utils/Reply";