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299e7e9099
* Extract app component from entrypoint (index) - Use refs to refer to canvas and rough context - Remove ReactDOM double rendering * Extract keys and key related utils into their own module * Move everything back to entrypoint
23 lines
524 B
TypeScript
23 lines
524 B
TypeScript
export const KEYS = {
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ARROW_LEFT: "ArrowLeft",
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ARROW_RIGHT: "ArrowRight",
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ARROW_DOWN: "ArrowDown",
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ARROW_UP: "ArrowUp",
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ENTER: "Enter",
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ESCAPE: "Escape",
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DELETE: "Delete",
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BACKSPACE: "Backspace"
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};
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export const META_KEY = /Mac|iPod|iPhone|iPad/.test(window.navigator.platform)
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? "metaKey"
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: "ctrlKey";
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export function isArrowKey(keyCode: string) {
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return (
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keyCode === KEYS.ARROW_LEFT ||
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keyCode === KEYS.ARROW_RIGHT ||
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keyCode === KEYS.ARROW_DOWN ||
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keyCode === KEYS.ARROW_UP
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);
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}
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