monkeytype/frontend/vite-plugins/version-file.ts

import { Plugin } from "vite";
import path from "node:path";
import { existsSync, mkdirSync, writeFileSync } from "node:fs";
export function versionFile(options: { clientVersion: string }): Plugin {
  return {
    name: "generate-version-json",
    apply: "build",

    closeBundle() {
      const distPath = path.resolve("./dist");
      if (!existsSync(distPath)) {
        mkdirSync(distPath, { recursive: true });
      }

      const versionJson = JSON.stringify({ version: options.clientVersion });
      const versionPath = path.resolve(distPath, "version.json");
      writeFileSync(versionPath, versionJson);
    },
  };
}