Function isAnyWhileStatement

src/transform/let.js:88–91

(node)

// True when dealing with any kind of while-loop
function isAnyWhileStatement(node) {
  return node.type === 'WhileStatement' ||
  node.type === 'DoWhileStatement';
}

// Program node works almost like a function:
// it hoists all variables which can be transformed to block-scoped let/const.