build.js

const fs = require("fs-extra");
const path = require("node:path");

const MANIFEST_COMMON = "manifest.json";

// Retrieve the browser name from command-line arguments
const browserName = process.argv[2];

// Validate the input argument
if (!browserName) {
	console.error("Usage: node build.js <browserName>");
	process.exit(1);
}

// Define file paths based on the browser name
const commonManifestPath = path.join(__dirname, MANIFEST_COMMON);
const browserSpecificManifestPath = path.join(
	__dirname,
	`manifest-${browserName}.json`,
);
const outputPath = path.join(__dirname, "dist", browserName);

// Clear the dist/{browser} directory
fs.removeSync(outputPath);

// Ensure the dist/{browser} directory exists
fs.ensureDirSync(outputPath);

// Copy src to dist/{browser}
const srcPath = path.join(__dirname, "src");
fs.copySync(srcPath, outputPath);

// Read and parse the JSON files
const commonManifest = JSON.parse(fs.readFileSync(commonManifestPath, "utf8"));
const browserSpecificManifest = JSON.parse(
	fs.readFileSync(browserSpecificManifestPath, "utf8"),
);

// Merge the two objects
const combinedManifest = { ...commonManifest, ...browserSpecificManifest };

// Write the combined JSON to the output file
const manifestOutputPath = path.join(outputPath, "manifest.json");
fs.writeFileSync(
	manifestOutputPath,
	JSON.stringify(combinedManifest, null, 2),
	"utf8",
);

console.log(` Build successful: ${browserName}`);