Increase code coverage

lib/handlebars/compiler/compiler.js

@@ -66,6 +66,7 @@ Compiler.prototype = {
     };
     if (knownHelpers) {
       for (let name in knownHelpers) {
+        /* istanbul ignore else */
         if (name in knownHelpers) {
           options.knownHelpers[name] = knownHelpers[name];
         }

lib/handlebars/exception.js

@@ -19,6 +19,7 @@ function Exception(message, node) {
     this[errorProps[idx]] = tmp[errorProps[idx]];
   }
 
+  /* istanbul ignore else */
   if (Error.captureStackTrace) {
     Error.captureStackTrace(this, Exception);
   }

lib/handlebars/utils.js

@@ -30,8 +30,8 @@ export let toString = Object.prototype.toString;
 
 // Sourced from lodash
 // https://github.com/bestiejs/lodash/blob/master/LICENSE.txt
-/*eslint-disable func-style, no-var */
-var isFunction = function(value) {
+/*eslint-disable func-style */
+let isFunction = function(value) {
   return typeof value === 'function';
 };
 // fallback for older versions of Chrome and Safari
@@ -41,8 +41,8 @@ if (isFunction(/x/)) {
     return typeof value === 'function' && toString.call(value) === '[object Function]';
   };
 }
-export var isFunction;
-/*eslint-enable func-style, no-var */
+export {isFunction};
+/*eslint-enable func-style */
 
 /* istanbul ignore next */
 export const isArray = Array.isArray || function(value) {

src/parser-suffix.js

@@ -1 +1,2 @@
-export default handlebars;
+exports.__esModule = true;
+module.exports['default'] = handlebars;