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b2049209ff
There are some style differences compared to prettier, and not all are necessarily an improvement, but it's much faster now.
20 lines
617 B
TypeScript
20 lines
617 B
TypeScript
/* Copyright: Ankitects Pty Ltd and contributors
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* License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html */
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// prevent backspace key from going back a page
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document.addEventListener("keydown", function(evt: KeyboardEvent) {
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if (evt.keyCode !== 8) {
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return;
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}
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let isText = 0;
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const node = evt.target as Element;
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const nn = node.nodeName;
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if (nn === "INPUT" || nn === "TEXTAREA") {
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isText = 1;
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} else if (nn === "DIV" && (node as HTMLDivElement).contentEditable) {
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isText = 1;
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}
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if (!isText) {
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evt.preventDefault();
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}
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});
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