runtime-eol/helpers/adapters/sls.js

check runtime versions

const fs = require('fs');

function extractRuntimeTag(fileContent) {
  // Pattern for TypeScript files with quotes: runtime: "any-value"
  const tsPattern = /runtime:\s*["']?([^"'\s]+)["']?/;
  
  // Pattern for YAML files: runtime: any-value
  const yamlPattern = /runtime:\s*([^\s]+)/;
  
  // Try both patterns
  const tsMatch = fileContent.match(tsPattern);
  if (tsMatch && tsMatch[1]) {
    return tsMatch[1];
  }
  
  const yamlMatch = fileContent.match(yamlPattern);
  if (yamlMatch && yamlMatch[1]) {
    return yamlMatch[1];
  }
  
  return null;
}

function getRuntimeFromFile(filePath) {
  try {
    const fileContent = fs.readFileSync(filePath, 'utf8');
    return extractRuntimeTag(fileContent);
  } catch {
    return null;
  }
}

function getCurrent() {
  const possibleFiles = ['serverless.ts', 'serverless.yml', 'serverless.yaml'];
  for (const file of possibleFiles) {
    const runtime = getRuntimeFromFile(file);
    if (runtime) {
      console.log(`Runtime found in ${file}: ${runtime}`);
      return runtime;
    }
  }
  
  console.warn('Could not find SLS runtime. Looked at = %j', possibleFiles);
  return false;
}

module.exports = {
  getCurrent: getCurrent,
};