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Code Issues Releases Wiki Activity

Fix warn before closing

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handlerug 2021-07-13 21:21:46 +07:00
parent 76d77f0887
commit 9ad9db9825
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GPG Key ID: 38009F0605051491
1 changed files with 8 additions and 1 deletions
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9
static/editor.js
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@ -1,14 +1,21 @@
(function () {
let changed = false;
let textarea = document.querySelector('.edit-form__textarea');
let form = document.querySelector('.edit-form');
let warnBeforeClosing = function (ev) {
if (!changed) return;
ev.preventDefault();
return ev.returnValue = 'Are you sure you want to exit? You have unsaved changes.';
};
textarea.addEventListener('input', function () {
if (!changed) window.addEventListener('beforeunload', warnBeforeClosing);
changed = true;
});
form.addEventListener('submit', function () {
changed = false;
});
window.addEventListener('beforeunload', warnBeforeClosing);
})();