silverbullet/plug-api/syscall.ts

// declare global {
//   function syscall(name: string, ...args: any[]): Promise<any>;
// }

// This is the case when running tests only, so giving it a dummy syscall function
if (typeof self === "undefined") {
  (self as any) = {
    syscall: () => {
      throw new Error("Not implemented here");
    },
  };
}

export const syscall = (globalThis as any).syscall;