Merge pull request #1031 from ethereum/refactor/remove_jquery_dependency

minor refactor: replace jquery util with native js

src/app/execution/txFormat.js

@@ -1,5 +1,4 @@
 'use strict'
-var $ = require('jquery')
 var ethJSABI = require('ethereumjs-abi')
 var ethJSUtil = require('ethereumjs-util')
 var BN = ethJSUtil.BN
@@ -55,7 +54,7 @@ module.exports = {
       data = Buffer.from(dataHex, 'hex')
     } else {
       try {
-        funArgs = $.parseJSON('[' + params + ']')
+        funArgs = JSON.parse('[' + params + ']')
       } catch (e) {
         callback('Error encoding arguments: ' + e)
         return

src/app/execution/txHelper.js

@@ -1,6 +1,5 @@
 'use strict'
 var ethJSABI = require('ethereumjs-abi')
-var $ = require('jquery')
 
 module.exports = {
   encodeParams: function (funABI, args) {
@@ -115,15 +114,8 @@ module.exports = {
   },
 
   inputParametersDeclarationToString: function (abiinputs) {
-    var inputs = ''
-    if (abiinputs) {
-      $.each(abiinputs, function (i, inp) {
-        if (inputs !== '') {
-          inputs += ', '
-        }
-        inputs += inp.type + ' ' + inp.name
-      })
-    }
-    return inputs
+    var inputs = (abiinputs || []).map((inp) => inp.type + ' ' + inp.name)
+    return inputs.join(', ')
   }
+
 }