Move some utils to #common/general

Author: TheKodeToad

backend/src/common/discord/permissions.ts

@@ -1,4 +1,3 @@
-import { requireExhaustiveSwitch } from "#common/types.ts";
 import { bot } from "#discord/index.ts";
 import { type AnyGuildChannel, ChannelTypes, GuildMemberFlags, Member, Permissions, Role } from "oceanic.js";
 
@@ -62,7 +61,7 @@ export function canWriteInChannel(channel: AnyGuildChannel, member: Member): boo
 		return false;
 	}
 
-	requireExhaustiveSwitch(channel);
+	(channel satisfies never);
 
 	return false;
 }

backend/src/common/discord/testing/mockMember.ts

@@ -1,7 +1,7 @@
 /* eslint-disable @typescript-eslint/explicit-function-return-type */
 
 
-import { todo } from "#common/errors.ts";
+import { todo } from "#common/general.ts";
 import { bot } from "#discord/index.ts";
 import { Base, Permission, type Member } from "oceanic.js";
 

backend/src/common/errors.ts

@@ -1,4 +1,9 @@
+// NOTE: not needed in ES2025
 export function* mapIterable<I, O>(iterable: Iterable<I>, transformer: (value: I) => O): Generator<O> {
 	for (const value of iterable)
 		yield transformer(value);
 }
+
+export function todo(): never {
+	throw new Error("Function not implemented");
+}

backend/src/common/iterators.ts backend/src/common/general.tsbackend/src/common/iterators.ts renamed to backend/src/common/general.ts

@@ -1,6 +1,5 @@
 import { debugFormatPermissionContext } from "#common/discord/debugFormat.ts";
 import { moduleLogger } from "#common/logger/index.ts";
-import { requireExhaustiveSwitch } from "#common/types.ts";
 import { onBotInit } from "#discord/extensionPoints.ts";
 import { bot } from "#discord/index.ts";
 import { CACHE_PATH } from "#environment.ts";
@@ -177,7 +176,7 @@ function mapOptionType(type: OptionType) {
 		return ApplicationCommandOptionTypes.STRING;
 	}
 
-	requireExhaustiveSwitch(type);
+	(type satisfies never);
 }
 
 class SlashContext implements CommandContext {

backend/src/common/types.ts

@@ -1,5 +1,4 @@
 import { isSnowflake } from "#common/snowflake.ts";
-import { requireExhaustiveSwitch } from "#common/types.ts";
 import { INTERNAL_TYPE_INTEGRITY } from "#environment.ts";
 import { OptionType, type AnyArgsValue, type AnyArgsValueItem, type Option } from "#plugin/core/public/command.ts";
 
@@ -162,7 +161,7 @@ function validateType(type: OptionType, value: unknown): void {
 
 		break;
 	default:
-		requireExhaustiveSwitch(type);
+		(type satisfies never);
 		break;
 	}
 }

backend/src/plugin/core/commandEngine/handler/slashHandler.ts

@@ -1,5 +1,5 @@
 import { debugFormatGuildByID } from "#common/discord/debugFormat.ts";
-import { mapIterable } from "#common/iterators.ts";
+import { mapIterable } from "#common/general.ts";
 import { moduleLogger } from "#common/logger/index.ts";
 import { getPlugin } from "#loader/index.ts";
 import { CoreConfig } from "#plugin/core/config.ts";