redeyed-function-config-extra-params.js #1

'use strict';
/*jshint asi: true*/

var test = require('tap').test
  , util = require('util')
  , redeyed = require('..')

function inspect (obj) {
  return util.inspect(obj, false, 5, true)
}

test('function - config passing idx and tokens', function (t) {

  var args = [] 
    , opts001 = { 
          Boolean: { 
            _default: identity 
          } 
        , Keyword: { 
            _default: identity 
          } 
        , Identifier: { 
            _default: identity 
          } 
        , Punctuator: { 
            _default: identity 
          } 
      }
    , code = 'var fn = function () { return true; }'

  function identity (s, info) { 
    args.push( { value: s, idx: info.tokenIndex, tokens: info.tokens, code: info.code }) 
    // returning unchanged string will keep the splits be equal to the original tokens
    return s 
  } 

  function tokenValue (t) { return t.value; }

  t.test(inspect(opts001) + ' -- ' + code, function (t) {

    var result = redeyed(code, opts001, { splits: true })
      , tokens = result.tokens
    
      t.equals(args.length, tokens.length, 'called with all tokens')
      
      for (var i = 0; i < tokens.length; i++) {
        var token = tokens[i]
          , arg = args[i]

        t.equals(arg.value, token.value, 'passes correct value: ' + inspect([ arg.value, token.value ]))
        t.equals(arg.idx, i, 'passes correct index')
        t.equals(arg.code, code, 'passes code')
        t.deepEquals(arg.tokens, tokens, 'passes all tokens')
      }
    t.end()
  })
  t.end()
})