seen-cli.ts

#!/usr/bin/env node

import { execSync } from "child_process";
import { program } from "commander";
import { argv } from "process";
import { dirname, resolve } from "path";
import { existsSync, mkdirSync } from "fs";

program //
  .name("seen")
  .description("An all-in-one CLI program for SeenKit.")
  .version("1.0.0");

// Build ////////////////////////////////////////////////////////////////////////
{
  enum SeenKitPlatform {
    kAndroid = "android",
    kIOS = "ios",
    kMacOS = "macos",
    kLinux = "linux",
    kWeb = "web",
    kWindows = "windows",
  }
  const PLATFORMS = Object.values(SeenKitPlatform).join("/");

  function isSeenKitPlatform(platform: unknown): platform is SeenKitPlatform {
    if (typeof platform !== "string") {
      return false;
    }
    const values = Object.values(SeenKitPlatform) as string[];
    return values.includes(platform);
  }

  const PROJECT_COMMANDS = {
    [SeenKitPlatform.kAndroid]: "",
    [SeenKitPlatform.kIOS]: `cmake . -B build-ios \
                                   -G Xcode \
                                   -DCMAKE_TOOLCHAIN_FILE=cmake/ios.toolchain.cmake \
                                   -DPLATFORM=OS64COMBINED
                           open -a /Applications/Xcode.app build-ios`,
    [SeenKitPlatform.kMacOS]: `cmake . -B build-macos -G Xcode
                             open -a /Applications/Xcode.app build-macos`,
    [SeenKitPlatform.kLinux]: "",
    [SeenKitPlatform.kWeb]: "",
    [SeenKitPlatform.kWindows]: "",
  };

  const BUILD_COMMANDS = {
    [SeenKitPlatform.kAndroid]: "",
    [SeenKitPlatform.kIOS]: `cmake . -B build-ios \
                                   -G Xcode \
                                   -DCMAKE_TOOLCHAIN_FILE=cmake/ios.toolchain.cmake \
                                   -DPLATFORM=OS64COMBINED
                           cmake --build ./build-ios --target seen --config Release`,
    [SeenKitPlatform.kMacOS]: `cmake . -B build-macos -G Xcode
                             cmake --build build-macos --target seen --config Release`,
    [SeenKitPlatform.kLinux]: "",
    [SeenKitPlatform.kWeb]: "",
    [SeenKitPlatform.kWindows]: "",
  };

  program
    .command("build")
    .description("build SeenKit to platform-specific library")
    .argument("<platform>", `specify SeenKit target platform (${PLATFORMS})`)
    .option("--project", "try to generate a SeenKit library project if possible", false)
    .action((platform?: SeenKitPlatform, option?: { project: boolean }) => {
      if (!isSeenKitPlatform(platform)) {
        return;
      }
      const command = option?.project ? PROJECT_COMMANDS[platform] : BUILD_COMMANDS[platform];
      execSync(command, { stdio: "inherit" });
    });
}

// Bundle ////////////////////////////////////////////////////////////////////////
{
  program
    .command("tsb")
    .description("TypeScript bundler designed for SeenKit")
    .option("-o, --output <output>", "bundle output path", "demo.seen")
    .action((option: { output: string }) => {
      const output = resolve(option.output);
      const outputDir = dirname(output);
      if (!existsSync(outputDir)) {
        mkdirSync(outputDir, { recursive: true });
      }
      // TODO(Autokaka): Make this generic and cross-platform...
      const commands = [
        `npx tstl --luaBundle ${outputDir}/main.lua`,
        `cd ${outputDir}`,
        `zip demo.seen main.lua`,
        `rm main.lua`,
      ];
      execSync(commands.join(" && "), { stdio: "inherit" });
    });
}

program.parse(argv);