Clean up unused stuff

src/compiler.js

-const util = require('util')
 const selfClosingTags = require('./util/selfClosingTags')
 
 module.exports = class Compiler {
     this.context = context
     this.pos = 0
     this.result = ''
-    this.standardLibrary = {
-      cond: function(predicate, left, right) {
-        if (predicate) {
-          let compiler = new Compiler([left], this.context)
-          return compiler.compile()
-        } else {
-          let compiler = new Compiler([right], this.context)
-          return compiler.compile()
-        }
-      },
-    }
   }
 
   compile() {
         case 'Application':
           this.result += this.application(node)
           break;
-        case 'String':
-          this.result += node.value;
-          break;
         case 'Identifier':
           this.result += this.lookup(node)
           break;
+        case 'String':
+          this.result += node.value;
+          break;
       }
     })
 
   }
 
   application(node) {
-    if (this.standardLibrary[node.functionName.name]) {
-      return this.standardLibrary[node.functionName.name](...node.args)
-    }
-
-    return this.htmlElement(node)
-  }
-
-  htmlElement(node) {
     let result = `<${node.functionName.name}`
 
     node.args.filter(arg => arg.constructor.name === 'Attribute').forEach(arg => {
 
     return result
   }
-
-  currentNode() {
-    return this.tree[this.pos]
-  }
 }

src/index.js

 const Parser = require('./parser')
 const Compiler = require('./compiler')
 
-const util = require('util')
-
 module.exports = function oslo(source, context) {
   const lexer = new Lexer()
   const tokens = lexer.scan(source)