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select-element.js
34 lines (28 loc) · 1.18 KB
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select-element.js
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/*
This file is part of Talkie -- text-to-speech browser extension button.
<https://joelpurra.com/projects/talkie/>
Copyright (c) 2016, 2017 Joel Purra <https://joelpurra.com/>
Talkie is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Talkie is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Talkie. If not, see <https://www.gnu.org/licenses/>.
*/
export const scrollIntoViewIfNeeded = (selectElement) => {
if (
selectElement
&& selectElement.options
&& selectElement.options.selectedIndex >= 0
) {
const selectedOption = selectElement.options[selectElement.options.selectedIndex];
if (typeof selectedOption.scrollIntoViewIfNeeded === "function"
) {
selectedOption.scrollIntoViewIfNeeded(true);
}
}
};