It stops working when we define variable within template

[ezhlobo]

For example this code will break eslint:

pug`
  - const test = 'test'
`

The error message is not useful, but stacktrace reveals that babel doesn't like it and doesn't want to parse:

Unexpected token (1:1)
SyntaxError: Unexpected token (1:1)
  at Parser.raise (~/node_modules/@babel/parser/lib/index.js:4028:15)
  at Parser.unexpected (~/node_modules/@babel/parser/lib/index.js:5343:16)
  at Parser.parseExprAtom (~/node_modules/@babel/parser/lib/index.js:6432:20)
  at Parser.parseExprSubscripts (~/node_modules/@babel/parser/lib/index.js:6019:21)
  at Parser.parseMaybeUnary (~/node_modules/@babel/parser/lib/index.js:5998:21)
  at Parser.parseExprOps (~/node_modules/@babel/parser/lib/index.js:5907:21)
  at Parser.parseMaybeConditional (~/node_modules/@babel/parser/lib/index.js:5879:21)
  at Parser.parseMaybeAssign (~/node_modules/@babel/parser/lib/index.js:5826:21)
  at Parser.parseParenAndDistinguishExpression (~/node_modules/@babel/parser/lib/index.js:6588:28)
  at Parser.parseExprAtom (~/node_modules/@babel/parser/lib/index.js:6388:21)

[ezhlobo]

Fixed in v0.5.7