Merge pull request #112 from 0x6362/nit/update-deprecated-keycode-code

Nit: Update code using deprecated keyCode API

contentscript.js

@@ -1,7 +1,6 @@
 import $ from 'jquery'
 import {
   renderError,
-  modifierKeys,
   escape_html,
   formatTranslation
 } from './lib/transover_utils'
@@ -200,7 +199,7 @@ function processEvent(e) {
       return res
     }
 
-    function getExactTextNode(nodes, e) {
+    function getExactTextNode(_, e) {
       $(text_nodes).wrap('<transblock />')
       let hit_text_node = document.elementFromPoint(e.clientX, e.clientY)
 
@@ -388,7 +387,7 @@ function processEvent(e) {
   }
 }
 
-function withOptionsSatisfied(e, do_stuff) {
+function withOptionsSatisfied(_, do_stuff) {
   if (!options) return
 
   //respect 'translate only when alt pressed' option
@@ -464,7 +463,7 @@ function speak({ text, lang }) {
   }
 
   $(document).keydown(e => {
-    if (e.keyCode === 27) {
+    if (e.key === 'Escape') {
       audio.pause()
       audio.removeAttribute('src')
       audio.load()
@@ -481,7 +480,7 @@ function speak({ text, lang }) {
 $(document).keydown(function(e) {
   if (!options) return
 
-  if (modifierKeys[e.keyCode] == options.popup_show_trigger) {
+  if (e.key == options.popup_show_trigger) {
     show_popup_key_pressed = true
 
     const selection = window.getSelection().toString()
@@ -505,7 +504,7 @@ $(document).keydown(function(e) {
   }
 
   // text-to-speech on ctrl press
-  if (!e.originalEvent.repeat && modifierKeys[e.keyCode] == options.tts_key && options.tts && $('transover-popup').length > 0) {
+  if (!e.originalEvent.repeat && e.key == options.tts_key && options.tts && $('transover-popup').length > 0) {
     chrome.runtime.sendMessage({
       handler: 'trackEvent',
       event: {
@@ -538,11 +537,11 @@ $(document).keydown(function(e) {
   }
 
   // Hide tat popup on escape
-  if (e.keyCode == 27) {
+  if (e.key == 'Escape') {
     removePopup('transover-type-and-translate-popup')
   }
 }).keyup(function(e) {
-  if (options && modifierKeys[e.keyCode] == options.popup_show_trigger) {
+  if (options && e.key == options.popup_show_trigger) {
     show_popup_key_pressed = false
   }
 })

lib/options_script.js

@@ -154,7 +154,7 @@ async function fill_reverse_lang() {
 async function populate_popup_show_trigger() {
   const saved_popup_show_trigger = await Options.popup_show_trigger()
 
-  ;[...new Set(Object.values(modifierKeys))].forEach(function(key) {
+  modifierKeys.forEach(function(key) {
     $('#word_key_only_key, #selection_key_only_key').each(function() {
       $(this).append($('<option>', {value: key}).text(key).prop('selected', saved_popup_show_trigger == key))
     })
@@ -223,7 +223,7 @@ async function load() {
   $('#fontSize').val(await Options.fontSize())
 
   $('#tts').attr('checked', await Options.tts() ? true : false)
-  ;[...new Set(Object.values(modifierKeys))].forEach(async function(key) {
+  modifierKeys.forEach(async function(key) {
     $('#tts_key').append($('<option>', {value: key}).text(key).prop('selected', await Options.tts_key() == key))
   })
 
@@ -232,7 +232,7 @@ async function load() {
 
   $('#save_button').click(function() { save_options() })
   $(document).on('keydown', function(e) {
-    if (e.keyCode == 13) {
+    if (e.key === 'Enter') {
       save_options()
     }
   })

lib/tat_popup.js

@@ -51,11 +51,11 @@ class TatPopupTransover extends HTMLElement {
     }
 
     this.q('main').onkeydown = (e) => {
-      if (e.keyCode == 13) {
+      if (e.key == 'Enter') {
         sendTranslate()
       }
       // let 'escape' be handled in the host context (by content script)
-      if (e.keyCode == 27) {
+      if (e.key == 'Escape') {
         return
       }
       e.stopPropagation()

lib/transover_utils.js

@@ -1,8 +1,13 @@
 import { languages } from './languages'
 
-export const modifierKeys = {
-  16: 'shift', 17: 'ctrl', 18: 'alt', 224: 'meta', 91: 'command', 93: 'command', 13: 'Return'
-}
+export const modifierKeys = new Set([
+  'Alt',
+  'Control',
+  'Enter',
+  'Escape',
+  'Meta',
+  'Shift'])
+
 
 export function renderError (message) {
   return `