69 lines
1.9 KiB
JavaScript
69 lines
1.9 KiB
JavaScript
import { getActiveElement } from "../shared/getActiveElement.js";
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//#region src/Menu/utils.ts
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const ITEM_SELECT = "menu.itemSelect";
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const SELECTION_KEYS = ["Enter", " "];
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const FIRST_KEYS = [
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"ArrowDown",
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"PageUp",
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"Home"
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];
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const LAST_KEYS = [
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"ArrowUp",
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"PageDown",
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"End"
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];
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const FIRST_LAST_KEYS = [...FIRST_KEYS, ...LAST_KEYS];
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const SUB_OPEN_KEYS = {
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ltr: [...SELECTION_KEYS, "ArrowRight"],
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rtl: [...SELECTION_KEYS, "ArrowLeft"]
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};
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const SUB_CLOSE_KEYS = {
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ltr: ["ArrowLeft"],
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rtl: ["ArrowRight"]
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};
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function getOpenState(open) {
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return open ? "open" : "closed";
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}
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function isIndeterminate(checked) {
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return checked === "indeterminate";
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}
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function getCheckedState(checked) {
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return isIndeterminate(checked) ? "indeterminate" : checked ? "checked" : "unchecked";
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}
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function focusFirst(candidates) {
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const PREVIOUSLY_FOCUSED_ELEMENT = getActiveElement();
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for (const candidate of candidates) {
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if (candidate === PREVIOUSLY_FOCUSED_ELEMENT) return;
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candidate.focus();
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if (getActiveElement() !== PREVIOUSLY_FOCUSED_ELEMENT) return;
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}
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}
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function isPointInPolygon(point, polygon) {
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const { x, y } = point;
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let inside = false;
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for (let i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
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const xi = polygon[i].x;
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const yi = polygon[i].y;
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const xj = polygon[j].x;
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const yj = polygon[j].y;
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const intersect = yi > y !== yj > y && x < (xj - xi) * (y - yi) / (yj - yi) + xi;
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if (intersect) inside = !inside;
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}
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return inside;
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}
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function isPointerInGraceArea(event, area) {
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if (!area) return false;
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const cursorPos = {
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x: event.clientX,
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y: event.clientY
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};
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return isPointInPolygon(cursorPos, area);
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}
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function isMouseEvent(event) {
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return event.pointerType === "mouse";
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}
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//#endregion
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export { FIRST_LAST_KEYS, ITEM_SELECT, LAST_KEYS, SELECTION_KEYS, SUB_CLOSE_KEYS, SUB_OPEN_KEYS, focusFirst, getCheckedState, getOpenState, isIndeterminate, isMouseEvent, isPointerInGraceArea };
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//# sourceMappingURL=utils.js.map
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