From 094e4cf555c698bfef50ca6679cd1e98f4ea9aa1 Mon Sep 17 00:00:00 2001
From: Whymarrh Whitby <whymarrh.whitby@gmail.com>
Date: Wed, 8 May 2019 17:21:33 -0230
Subject: Check for unused function arguments (#6583)

* eslint: Check for unused function arguments

* eslint: Ignore unused '_' in argument list

Also allow any number of '_' e.g., '__' or '___' which is to be used sparingly

* Remove and rename unused arguments
---
 app/scripts/controllers/balance.js                       | 2 +-
 app/scripts/controllers/preferences.js                   | 6 +++---
 app/scripts/controllers/shapeshift.js                    | 2 +-
 app/scripts/controllers/transactions/tx-state-manager.js | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

(limited to 'app/scripts/controllers')

diff --git a/app/scripts/controllers/balance.js b/app/scripts/controllers/balance.js
index 465751e61..b227d5d0a 100644
--- a/app/scripts/controllers/balance.js
+++ b/app/scripts/controllers/balance.js
@@ -68,7 +68,7 @@ class BalanceController {
   _registerUpdates () {
     const update = this.updateBalance.bind(this)
 
-    this.txController.on('tx:status-update', (txId, status) => {
+    this.txController.on('tx:status-update', (_, status) => {
       switch (status) {
         case 'submitted':
         case 'confirmed':
diff --git a/app/scripts/controllers/preferences.js b/app/scripts/controllers/preferences.js
index 9fe8bee4b..bbb13bd8e 100644
--- a/app/scripts/controllers/preferences.js
+++ b/app/scripts/controllers/preferences.js
@@ -339,7 +339,7 @@ class PreferencesController {
   }
 
   removeSuggestedTokens () {
-    return new Promise((resolve, reject) => {
+    return new Promise((resolve) => {
       this.store.updateState({ suggestedTokens: {} })
       resolve({})
     })
@@ -396,7 +396,7 @@ class PreferencesController {
     const newEntry = { address, symbol, decimals }
     const tokens = this.store.getState().tokens
     const assetImages = this.getAssetImages()
-    const previousEntry = tokens.find((token, index) => {
+    const previousEntry = tokens.find((token) => {
       return token.address === address
     })
     const previousIndex = tokens.indexOf(previousEntry)
@@ -461,7 +461,7 @@ class PreferencesController {
    *
    */
   setCurrentAccountTab (currentAccountTab) {
-    return new Promise((resolve, reject) => {
+    return new Promise((resolve) => {
       this.store.updateState({ currentAccountTab })
       resolve()
     })
diff --git a/app/scripts/controllers/shapeshift.js b/app/scripts/controllers/shapeshift.js
index b2a1462c2..9b0287007 100644
--- a/app/scripts/controllers/shapeshift.js
+++ b/app/scripts/controllers/shapeshift.js
@@ -136,7 +136,7 @@ class ShapeshiftController {
    * @param {ShapeShiftTx} tx The tx to remove
    *
    */
-  removeShapeShiftTx (tx) {
+  removeShapeShiftTx () {
     const { shapeShiftTxList } = this.store.getState()
     const index = shapeShiftTxList.indexOf(index)
     if (index !== -1) {
diff --git a/app/scripts/controllers/transactions/tx-state-manager.js b/app/scripts/controllers/transactions/tx-state-manager.js
index 420191d9c..1a2cb5dee 100644
--- a/app/scripts/controllers/transactions/tx-state-manager.js
+++ b/app/scripts/controllers/transactions/tx-state-manager.js
@@ -126,10 +126,10 @@ class TransactionStateManager extends EventEmitter {
     @returns {object} the txMeta
   */
   addTx (txMeta) {
-    this.once(`${txMeta.id}:signed`, function (txId) {
+    this.once(`${txMeta.id}:signed`, function () {
       this.removeAllListeners(`${txMeta.id}:rejected`)
     })
-    this.once(`${txMeta.id}:rejected`, function (txId) {
+    this.once(`${txMeta.id}:rejected`, function () {
       this.removeAllListeners(`${txMeta.id}:signed`)
     })
     // initialize history
-- 
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