@aziontech/opennextjs-azion/dist/cli/commands/preview.js

Azion builder for Next.js apps

import logger from "@opennextjs/aws/logger.js";
import { azionConfigExists, createAzionConfig, runBundler } from "../../core/utils/run-bundler.js";
export async function preview(options, _config, previewOptions) {
    // build bundler if it is not already built
    const configFile = await azionConfigExists(options);
    if (!configFile) {
        logger.warn("Azion config file not found. Running bundler build to generate the config file...");
        // command read preset config
        const result = runBundler(options, ["presets", "config", "opennextjs"], {
            logging: "pipe",
            version: previewOptions.bundlerVersion,
        });
        if (result?.stderr) {
            logger.error("Error generating Azion config file:", result.stderr);
            process.exit(1);
        }
        const configAzion = JSON.parse(result?.stdout || "{}");
        await createAzionConfig(options, configAzion);
        logger.info(">>> Azion config file generated successfully.");
    }
    const port = previewOptions.passthroughArgs.find((arg) => arg.startsWith("--port="));
    const portValue = port ? port.split("=")[1] : "3000";
    runBundler(options, [
        "dev",
        "--port",
        portValue,
        // if configFile is not found, skip framework build
        previewOptions.skipNextBuild ? "--skip-framework-build" : "",
        ...previewOptions.passthroughArgs,
    ], {
        logging: "all",
        version: previewOptions.bundlerVersion,
    });
}