mirror of https://github.com/zulip/zulip.git
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
/*
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See hotkey.js for handlers that are more app-wide.
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*/
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export const vim_left = "h";
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export const vim_down = "j";
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export const vim_up = "k";
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export const vim_right = "l";
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export function handle(opts: {
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$elem: JQuery;
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handlers: {
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[handler: string]: (() => boolean) | undefined;
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};
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}): void {
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opts.$elem.on("keydown", (e) => {
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if (e.altKey || e.ctrlKey || e.shiftKey) {
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return;
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}
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const {key} = e;
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const handler = opts.handlers[key];
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if (!handler) {
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return;
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}
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const handled = handler();
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if (handled) {
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e.preventDefault();
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e.stopPropagation();
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}
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});
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}
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export function is_enter_event(event: JQuery.KeyDownEvent): boolean {
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// In addition to checking whether the key pressed was an Enter
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// key, we need to check whether the keypress was part of an IME
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// composing session, such as selecting a character using a
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// phonetic input method like ZhuYin in a character-based
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// language. See #22062 for details. Further reading:
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// https://developer.mozilla.org/en-US/docs/Glossary/Input_method_editor
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const isComposing: boolean = event.originalEvent?.isComposing || false;
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return !isComposing && event.key === "Enter";
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}
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