esbuild.config.js

import esbuild from "esbuild";
import builtins from "builtin-modules";
import { sassPlugin } from "esbuild-sass-plugin";
import fs from "fs";
import path from "path";
import { createRequire } from "module";

const require = createRequire(import.meta.url);

const banner = `/* THIS IS A GENERATED/BUNDLED FILE BY ESBUILD
if you want to view the source, please visit the github repository of this plugin
*/
`;

const prod = process.argv[2] === "production";

// This patches Dexie during build-time, removing the global registration/guard-check
// Done to avoid conflict with other plugins using Dexie
const dexieIsolatePlugin = {
  name: "dexie-isolate",
  setup(build) {
    build.onLoad(
      { filter: /dexie[\\/]import-wrapper(-prod)?\.mjs$/, namespace: "file" },
      (args) => {
        let contents = fs.readFileSync(args.path, "utf8");

        contents = contents
          .replace(/const DexieSymbol = Symbol\.for\("Dexie"\);\n/, "")
          .replace(
            /const Dexie = globalThis\[DexieSymbol\] \|\| \(globalThis\[DexieSymbol\] = _Dexie\);\n/,
            "const Dexie = _Dexie;\n",
          )
          .replace(
            /if \(_Dexie\.semVer !== Dexie\.semVer\) \{\n\s+throw new Error\(`Two different versions of Dexie loaded in the same app: \$\{_Dexie\.semVer\} and \$\{Dexie\.semVer\}`\);\n\s+\}\n/,
            "",
          );

        if (
          contents.includes("DexieSymbol") ||
          contents.includes("Symbol.for")
        ) {
          throw new Error(
            `[dexie-isolate] Failed to patch ${args.path} — Symbol.for still present. ` +
              `Check that the source text matches the replace patterns.`,
          );
        }

        console.log(`[dexie-isolate] Patched: ${path.basename(args.path)}`);
        return { contents, loader: "js" };
      },
    );
  },
};

const context = await esbuild.context({
  metafile: true,
  banner: {
    js: banner,
  },
  entryPoints: ["src/main.ts", "src/ui/styles/styles.scss"],
  entryNames: "[name]",
  outdir: ".",
  bundle: true,
  external: [
    "obsidian",
    "electron",
    "@codemirror/autocomplete",
    "@codemirror/collab",
    "@codemirror/commands",
    "@codemirror/language",
    "@codemirror/lint",
    "@codemirror/search",
    "@codemirror/state",
    "@codemirror/view",
    "@lezer/common",
    "@lezer/highlight",
    "@lezer/lr",
    ...builtins,
  ],
  format: "cjs",
  target: "es2018",
  logLevel: "info",
  sourcemap: prod ? false : "inline",
  treeShaking: true,
  define: {
    "process.env.NODE_ENV": prod ? '"production"' : '"development"',
  },

  minify: prod,
  minifyWhitespace: prod,
  minifyIdentifiers: prod,
  minifySyntax: prod,
  plugins: [
    dexieIsolatePlugin,
    sassPlugin({
      type: "css",
      outputStyle: "compressed",
    }),
  ],
});

if (prod) {
  const result = await context.rebuild();

  fs.writeFileSync("meta.json", JSON.stringify(result.metafile, null, 2));
  process.exit(0);
} else {
  await context.watch(); // Watch for file changes in dev mode
}