export function virtualFiles(
  map: Record<string, string | esbuild.OnLoadResult>,
) {
  return {
    name: "clover vfs",
    setup(b) {
      b.onResolve(
        {
          filter: new RegExp(
            // TODO: Proper Escape
            `\\$`,
          ),
        },
        ({ path }) => {
          console.log({ path });
          return ({ path, namespace: "vfs" });
        },
      );
      b.onLoad(
        { filter: /./, namespace: "vfs" },
        ({ path }) => {
          const entry = map[path];
          return ({
            resolveDir: ".",
            loader: "ts",
            ...typeof entry === "string" ? { contents: entry } : entry,
          });
        },
      );
    },
  } satisfies esbuild.Plugin;
}

export function banFiles(
  files: string[],
) {
  return {
    name: "clover vfs",
    setup(b) {
      b.onResolve(
        {
          filter: new RegExp(
            "^(?:" + files.map((file) => string.escapeRegExp(file)).join("|") +
              ")$",
          ),
        },
        ({ path, importer }) => {
          throw new Error(
            `Loading ${path} (from ${importer}) is banned!`,
          );
        },
      );
    },
  } satisfies esbuild.Plugin;
}

import * as esbuild from "esbuild";
import * as string from "#sitegen/string";