flagsmith-nodejs/vitest.config.esm.ts

Flagsmith lets you manage features flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features.

import { defineConfig } from 'vitest/config';
import path from 'path';

/**
 * Vitest config for testing against the built ESM output.
 * This catches CJS/ESM interop issues (like jsonpath) that don't surface
 * when testing TypeScript source directly.
 *
 * Run with: npm run test:esm-build (after npm run build)
 */
export default defineConfig({
    test: {
        globals: true,
        restoreMocks: true,
        exclude: ['**/node_modules/**'],
        server: {
            deps: {
                // Don't transform built ESM - test it as-is
                external: [/build\/esm/]
            }
        }
    },
    resolve: {
        alias: {
            // Redirect source imports to built ESM output
            '../../../flagsmith-engine': path.resolve(__dirname, 'build/esm/flagsmith-engine'),
            '../../../../flagsmith-engine': path.resolve(__dirname, 'build/esm/flagsmith-engine'),
            '../../../sdk': path.resolve(__dirname, 'build/esm/sdk'),
            '../../../../sdk': path.resolve(__dirname, 'build/esm/sdk'),
            '../../sdk': path.resolve(__dirname, 'build/esm/sdk'),
            '../sdk': path.resolve(__dirname, 'build/esm/sdk')
        }
    }
});