lib/lexer.js
function(file, prop) {
    return this.createNode(prop, file[prop], `{% ${prop} "${file[prop]}" %}`, this.position());
  }
function(file, prop) {
    return this.createNode(prop, file[prop], `{% ${prop} "${file[prop]}" %}`, this.position());
  }
function ( file , prop ) { return this . createNode ( prop , file [ prop ] , ` ${ prop } ${ file [ prop ] } ` , this . position ( ) ) ; }
Unshift node `prop` onto the AST
Unshift node prop onto the AST