one/dist/esm/metro-config/buildOneMetroResolverOverrides.test.mjs

One is a new React Framework that makes Vite serve both native and web.

import path from "node:path";
import { describe, expect, it } from "vitest";
import { buildOneMetroResolverOverrides } from "./buildOneMetroResolverOverrides.mjs";
describe("buildOneMetroResolverOverrides", () => {
  it("resolves every react-native-worklets import from the app root", () => {
    const projectRoot = path.resolve(__dirname, "../../");
    const nestedOrigin = path.join(projectRoot, "node_modules/react-native-reanimated/src/index.ts");
    const resolvedOrigins = [];
    const config = buildOneMetroResolverOverrides({
      projectRoot
    })({
      resolver: {
        resolveRequest: (context, moduleName, _platform) => {
          resolvedOrigins.push(`${moduleName}:${context.originModulePath}`);
          return {
            type: "sourceFile",
            filePath: moduleName
          };
        }
      }
    });
    const resolveRequest = config.resolver?.resolveRequest;
    if (!resolveRequest) {
      throw new Error("expected a Metro resolver override");
    }
    resolveRequest({
      originModulePath: nestedOrigin
    }, "react-native-worklets", "ios");
    resolveRequest({
      originModulePath: nestedOrigin
    }, "react-native-worklets/package.json", "ios");
    resolveRequest({
      originModulePath: nestedOrigin
    }, "react-native-safe-area-context", "ios");
    expect(resolvedOrigins).toEqual([`react-native-worklets:${path.join(projectRoot, "package.json")}`, `react-native-worklets/package.json:${path.join(projectRoot, "package.json")}`, `react-native-safe-area-context:${nestedOrigin}`]);
  });
  it("keeps the compiled react-native-svg native entry point", () => {
    const projectRoot = path.resolve(__dirname, "../../");
    const config = buildOneMetroResolverOverrides({
      projectRoot
    })({
      resolver: {
        resolveRequest: (_context, moduleName, _platform) => ({
          type: "sourceFile",
          filePath: path.join(projectRoot, "node_modules", moduleName, "src", "index.ts")
        })
      }
    });
    const resolveRequest = config.resolver?.resolveRequest;
    if (!resolveRequest) {
      throw new Error("expected a Metro resolver override");
    }
    expect(resolveRequest({
      originModulePath: path.join(projectRoot, "app.tsx")
    }, "react-native-svg", "ios")).toEqual({
      type: "sourceFile",
      filePath: path.join(projectRoot, "node_modules", "react-native-svg", "lib", "commonjs", "index.js")
    });
  });
});
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