@webcontainer/test/dist/plugin.js

Utilities for testing applications in WebContainers

// src/commands/index.ts
import { resolve } from "node:path";
import { snapshot } from "@webcontainer/snapshot";
var readDirectory = async (context, directory) => {
  const root = context.project.config.root;
  const resolved = resolve(root, directory);
  if (!resolved.startsWith(root)) {
    throw new Error(
      `[vitest:webcontainers] Cannot read files outside project root:
${JSON.stringify(
        { directory, resolved },
        null,
        2
      )}`
    );
  }
  const tree = await snapshot(directory);
  return tree.toString("base64");
};

// src/plugin.ts
var COEP = "Cross-Origin-Embedder-Policy";
var COOP = "Cross-Origin-Opener-Policy";
function vitestWebContainers() {
  return {
    name: "vitest:webcontainers",
    config(config, env) {
      if (env.mode !== "test") {
        return;
      }
      config.test ||= {};
      config.test.browser ||= {};
      config.test.browser.commands ||= {};
      config.test.browser.commands.readDirectory = readDirectory;
      config.server ||= {};
      config.server.headers ||= {};
      const headers = config.server.headers;
      if (headers[COEP] && headers[COEP] !== "require-corp") {
        console.warn(
          `[vitest:webcontainers] Overriding ${COEP} header during test run`
        );
      }
      if (headers[COOP] && headers[COOP] !== "same-origin") {
        console.warn(
          `[vitest:webcontainers] Overriding ${COOP} header during test run`
        );
      }
      headers[COEP] = "require-corp";
      headers[COOP] = "same-origin";
    }
  };
}
export {
  vitestWebContainers
};