const path = require('path'); const packageJson = require(path.join(process.cwd(), 'package.json')); const blockedDependencies = packageJson.blockedDependencies || {}; const dependencies = packageJson.dependencies; const devDependencies = packageJson.devDependencies; const blockedDependenciesNames = Object.keys(blockedDependencies); const blockedDependenciesFound = blockedDependenciesNames.filter( (blockedDependency) => dependencies[blockedDependency] || devDependencies[blockedDependency], ); if (blockedDependenciesFound.length) { console.log('The following package.json dependencies are not allowed:'); blockedDependenciesFound.forEach((blockedDependency) => { const infoLink = blockedDependencies[blockedDependency]; console.log(`- ${blockedDependency}: See ${infoLink} for more information.`); }); process.exit(-1); }