A node script for extracting @WordPress npm package versions from a git checkout of Gutenberg at a specific tag.

gutenberg-package-versions.js

const metapackage = require('./gutenberg/package.json');
Object.keys(metapackage.dependencies)
	.map((package) => package.replace(/^@wordpress\//, ''))
	.forEach((package) => {
		const packageJSON = require(`./gutenberg/packages/${package}/package.json`);
		if (![
			'edit-navigation',
			'react-native-aztec',
			'react-native-bridge',
			'react-native-editor',
		].includes(package)) {
			console.log(`"@wordpress/${package}": "^${packageJSON.version}",`);
		}
	});

console.log('');
const dewp = require('./gutenberg/packages/dependency-extraction-webpack-plugin/package.json');
console.log(`"@wordpress/dependency-extraction-webpack-plugin": "^${dewp.version}",`);

console.log('');
console.log(`"react": "^${metapackage.devDependencies.react}",`);