feat(api): ✨ Add support for multithreaded API servers

cli/commands/start.ts

@@ -0,0 +1,49 @@
+import os from "node:os";
+import { Flags } from "@oclif/core";
+import { BaseCommand } from "~cli/base";
+
+export default class Start extends BaseCommand<typeof Start> {
+    static override args = {};
+
+    static override description = "Starts Lysand";
+
+    static override examples = [
+        "<%= config.bin %> <%= command.id %> --threads 4",
+        "<%= config.bin %> <%= command.id %> --all-threads",
+    ];
+
+    static override flags = {
+        threads: Flags.integer({
+            char: "t",
+            description: "Number of threads to use",
+            default: 1,
+            exclusive: ["all-threads"],
+        }),
+        "all-threads": Flags.boolean({
+            description: "Use all available threads",
+            default: false,
+            exclusive: ["threads"],
+        }),
+        silent: Flags.boolean({
+            description: "Don't show logs in console",
+            default: false,
+        }),
+    };
+
+    public async run(): Promise<void> {
+        const { flags } = await this.parse(Start);
+
+        const numCPUs = flags["all-threads"] ? os.cpus().length : flags.threads;
+
+        for (let i = 0; i < numCPUs; i++) {
+            const args = ["bun", "index.ts"];
+            if (i !== 0 || flags.silent) {
+                args.push("--silent");
+            }
+            Bun.spawn(args, {
+                stdio: ["inherit", "inherit", "inherit"],
+                env: { ...process.env },
+            });
+        }
+    }
+}

cli/index.ts

@@ -3,6 +3,7 @@ import EmojiAdd from "./commands/emoji/add";
 import EmojiDelete from "./commands/emoji/delete";
 import EmojiImport from "./commands/emoji/import";
 import EmojiList from "./commands/emoji/list";
+import Start from "./commands/start";
 import UserCreate from "./commands/user/create";
 import UserDelete from "./commands/user/delete";
 import UserList from "./commands/user/list";
@@ -18,6 +19,7 @@ export const commands = {
     "emoji:delete": EmojiDelete,
     "emoji:list": EmojiList,
     "emoji:import": EmojiImport,
+    start: Start,
 };
 
 if (import.meta.path === Bun.main) {