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Use existing keycode constants in dropdown. (#21697)

This commit is contained in:
Pierre-Denis Vanduynslager 2017-01-14 21:42:24 -05:00 committed by Bardi Harborow
parent 25f81e1fe6
commit c80e13a48a

View File

@ -24,9 +24,11 @@ const Dropdown = (($) => {
const DATA_API_KEY = '.data-api'
const JQUERY_NO_CONFLICT = $.fn[NAME]
const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
const SPACE_KEYCODE = 32 // KeyboardEvent.which value for space key
const ARROW_UP_KEYCODE = 38 // KeyboardEvent.which value for up arrow key
const ARROW_DOWN_KEYCODE = 40 // KeyboardEvent.which value for down arrow key
const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)
const REGEXP_KEYDOWN = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}|${SPACE_KEYCODE}`)
const Event = {
HIDE : `hide${EVENT_KEY}`,
@ -213,7 +215,7 @@ const Dropdown = (($) => {
}
static _dataApiKeydownHandler(event) {
if (!/(38|40|27|32)/.test(event.which) ||
if (!REGEXP_KEYDOWN.test(event.which) ||
/input|textarea/i.test(event.target.tagName)) {
return
}