DMleadgen
46d973904b
Next.js website for Rocky Mountain Vending company featuring: - Product catalog with Stripe integration - Service areas and parts pages - Admin dashboard with Clerk authentication - SEO optimized pages with JSON-LD structured data Co-authored-by: Cursor <cursoragent@cursor.com>
89 lines
2.7 KiB
Text
89 lines
2.7 KiB
Text
import { DayFlag } from "../UI.js";
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import type { CalendarDay } from "../classes/index.js";
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import type { Modifiers } from "../types/index.js";
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enum FocusTargetPriority {
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Today = 0,
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Selected,
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LastFocused,
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FocusedModifier
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}
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/**
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* Determines if a day is focusable based on its modifiers.
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*
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* A day is considered focusable if it is not disabled, hidden, or outside the
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* displayed month.
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*
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* @param modifiers The modifiers applied to the day.
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* @returns `true` if the day is focusable, otherwise `false`.
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*/
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function isFocusableDay(modifiers: Modifiers) {
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return (
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!modifiers[DayFlag.disabled] &&
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!modifiers[DayFlag.hidden] &&
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!modifiers[DayFlag.outside]
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);
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}
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/**
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* Calculates the focus target day based on priority.
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*
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* This function determines the day that should receive focus in the calendar,
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* prioritizing days with specific modifiers (e.g., "focused", "today") or
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* selection states.
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*
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* @param days The array of `CalendarDay` objects to evaluate.
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* @param getModifiers A function to retrieve the modifiers for a given day.
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* @param isSelected A function to determine if a day is selected.
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* @param lastFocused The last focused day, if any.
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* @returns The `CalendarDay` that should receive focus, or `undefined` if no
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* focusable day is found.
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*/
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export function calculateFocusTarget(
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days: CalendarDay[],
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getModifiers: (day: CalendarDay) => Modifiers,
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isSelected: (date: Date) => boolean,
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lastFocused: CalendarDay | undefined
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): CalendarDay | undefined {
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let focusTarget: CalendarDay | undefined;
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let foundFocusTargetPriority: FocusTargetPriority | -1 = -1;
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for (const day of days) {
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const modifiers = getModifiers(day);
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if (isFocusableDay(modifiers)) {
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if (
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modifiers[DayFlag.focused] &&
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foundFocusTargetPriority < FocusTargetPriority.FocusedModifier
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) {
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focusTarget = day;
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foundFocusTargetPriority = FocusTargetPriority.FocusedModifier;
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} else if (
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lastFocused?.isEqualTo(day) &&
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foundFocusTargetPriority < FocusTargetPriority.LastFocused
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) {
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focusTarget = day;
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foundFocusTargetPriority = FocusTargetPriority.LastFocused;
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} else if (
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isSelected(day.date) &&
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foundFocusTargetPriority < FocusTargetPriority.Selected
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) {
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focusTarget = day;
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foundFocusTargetPriority = FocusTargetPriority.Selected;
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} else if (
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modifiers[DayFlag.today] &&
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foundFocusTargetPriority < FocusTargetPriority.Today
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) {
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focusTarget = day;
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foundFocusTargetPriority = FocusTargetPriority.Today;
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}
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}
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}
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if (!focusTarget) {
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// Return the first day that is focusable
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focusTarget = days.find((day) => isFocusableDay(getModifiers(day)));
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}
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return focusTarget;
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}
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