code: function validate(node, context) {
    if (!node) {
      return;
    }
  
    if (node.type === 'TaggedTemplateExpression' && node.tag.name !== 'sql') {
      node = node.quasi;
    }
  
    if (node.type === 'TemplateLiteral' && node.expressions.length) {
      const literal = node.quasis.map(quasi => quasi.value.raw).join('x');
  
      if (isSqlQuery(literal)) {
        context.report(node, 'Use the `sql` tagged template literal for raw queries');
      }
    }
  }
docs: Validate node.