41 lines
1.0 KiB
TypeScript
41 lines
1.0 KiB
TypeScript
export const isDarwin = /Mac|iPod|iPhone|iPad/.test(window.navigator.platform);
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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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CTRL_OR_CMD: isDarwin ? "metaKey" : "ctrlKey",
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TAB: "Tab",
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SPACE: " ",
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QUESTION_MARK: "?",
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F_KEY_CODE: 70,
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ALT_KEY_CODE: 18,
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Z_KEY_CODE: 90,
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GRID_KEY_CODE: 222,
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G_KEY_CODE: 71,
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C_KEY_CODE: 67,
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V_KEY_CODE: 86,
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} as const;
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export type Key = keyof typeof KEYS;
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export const isArrowKey = (keyCode: string) =>
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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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export const getResizeCenterPointKey = (event: MouseEvent | KeyboardEvent) =>
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event.altKey || event.which === KEYS.ALT_KEY_CODE;
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export const getResizeWithSidesSameLengthKey = (event: MouseEvent) =>
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event.shiftKey;
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export const getRotateWithDiscreteAngleKey = (event: MouseEvent) =>
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event.shiftKey;
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