bun.sh/test/js/bun/shell/util.ts

import { ShellOutput, ShellPromise } from "bun";
import { createTestBuilder } from "./test_builder";

export { createTestBuilder };

declare module "bun" {
  // Define the additional methods
  interface Shell {
    parse: (strings: TemplateStringsArray, ...expressions: any[]) => string; // Define the return type for parse
    lex: (strings: TemplateStringsArray, ...expressions: any[]) => string; // Define the return type for lex
  }
}

const defaultRedirect = {
  __unused: 0,
  append: false,
  stderr: false,
  stdin: false,
  stdout: false,
  duplicate_out: false,
};

export const redirect = (opts?: Partial<typeof defaultRedirect>): typeof defaultRedirect =>
  opts === undefined
    ? defaultRedirect
    : {
        ...defaultRedirect,
        ...opts,
      };

export const sortedShellOutput = (output: string | string[]): string[] =>
  (Array.isArray(output) ? output : output.split("\n").filter(s => s.length > 0)).sort();