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@ -1,97 +1,71 @@
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<script lang="ts">
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import { DatePickerProvider } from '$soma/components/date-picker';
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import { getActiveUix } from '$active-uix';
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import { CalendarDate } from '$libs/days';
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import { YearGrid } from '../year-grid';
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import type { YearValue, YearPlaceholder } from '$soma/components/year-grid';
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import type { YearGridProviderSnippetProps } from '../year-grid';
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import type { HTMLAttributes } from 'svelte/elements';
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// Year-grid view for `kind='year'`. Renders a 3×4 decade grid centred
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// on the placeholder year. Click on a year sets the picker's value to
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// January 1 of that year and triggers handleDateSelect (closes the
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// popover when closeOnDateSelect is true and mode is inline).
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//
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// Decade range: the anchor year's decade plus the previous and next
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// years to fill 12 cells. Example for 2026 → 2020..2031 padded so the
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// row starts on a decade boundary.
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// Year-grid view for `kind='year'`. Internally renders the standalone
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// YearGrid primitive, bridging its `{year}` value to the
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// DatePickerProvider's CalendarDate value. Click on a year sets the
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// picker's value to January 1 of that year and triggers handleDateSelect.
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interface YearViewProps extends HTMLAttributes<HTMLDivElement> {}
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const { ...rest }: YearViewProps = $props();
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// View is a thin bridge that reads its state from the DatePickerProvider
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// context. It accepts no extra props from consumers — the demo just
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// renders `<DatePicker.YearView />` without arguments. Bind $props()
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// to silence Svelte's mandatory props declaration check.
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// eslint-disable-next-line @typescript-eslint/no-unused-vars
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const _props: YearViewProps = $props();
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const uix = getActiveUix();
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void uix;
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const provider = DatePickerProvider.require();
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// Anchor year: the value's year if any, otherwise the placeholder's.
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const anchorYear = $derived(
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provider.opts.value.current?.year ?? provider.opts.placeholder.current.year
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);
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const anchor = $derived(provider.opts.value.current ?? provider.opts.placeholder.current);
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// Decade window: 12 years starting at the previous decade boundary.
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// E.g. anchor=2026 → start=2020 → years 2020..2031.
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const decadeStart = $derived(anchorYear - (anchorYear % 10));
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const years = $derived(Array.from({ length: 12 }, (_, i) => decadeStart + i));
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const yearValue = $derived<YearValue | undefined>(
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provider.opts.value.current ? { year: provider.opts.value.current.year } : undefined
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);
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const yearPlaceholder = $derived<YearPlaceholder>({ year: anchor.year });
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function selectYear(year: number) {
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const current = provider.opts.value.current ?? provider.opts.placeholder.current;
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// For kind='year', only the year matters — keep month=1, day=1.
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// Down-stream consumers see the value's year via `.year`.
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const next = new CalendarDate(year, 1, 1);
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provider.opts.value.current = next;
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provider.opts.placeholder.current = next;
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function onValueChange(next: YearValue | undefined): void {
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if (!next) return;
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// For kind='year' only the year matters — keep month=1, day=1.
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const date = new CalendarDate(next.year, 1, 1);
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provider.opts.value.current = date;
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provider.opts.placeholder.current = date;
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provider.handleDateSelect();
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}
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function stepDecade(direction: -1 | 1) {
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function onPlaceholderChange(next: YearPlaceholder): void {
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const placeholder = provider.opts.placeholder.current;
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provider.opts.placeholder.current = new CalendarDate(
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placeholder.year + direction * 10,
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next.year,
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placeholder.month,
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placeholder.day
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);
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}
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function isSelected(year: number): boolean {
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return provider.opts.value.current?.year === year;
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}
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</script>
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<div
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data-date-picker-year-view
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role="grid"
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aria-label="Select year"
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{...rest}
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<YearGrid
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value={yearValue}
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placeholder={yearPlaceholder}
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{onValueChange}
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{onPlaceholderChange}
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locale={provider.opts.locale.current}
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disabled={provider.opts.disabled.current}
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readonly={provider.opts.readonly.current}
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>
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<div data-date-picker-year-view-header>
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<button
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type="button"
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data-date-picker-year-view-prev
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aria-label="Previous decade"
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onclick={() => stepDecade(-1)}
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>
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‹
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</button>
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<span data-date-picker-year-view-heading>
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{decadeStart} – {decadeStart + 11}
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</span>
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<button
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type="button"
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data-date-picker-year-view-next
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aria-label="Next decade"
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onclick={() => stepDecade(1)}
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>
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›
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</button>
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</div>
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<div data-date-picker-year-view-grid>
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{#each years as year (year)}
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<button
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type="button"
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data-date-picker-year-view-cell
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data-selected={isSelected(year) ? '' : undefined}
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aria-pressed={isSelected(year)}
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onclick={() => selectYear(year)}
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>
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{year}
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</button>
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{/each}
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</div>
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</div>
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{#snippet children({ years }: YearGridProviderSnippetProps)}
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<YearGrid.Header>
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<YearGrid.PrevButton><</YearGrid.PrevButton>
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<YearGrid.Heading />
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<YearGrid.NextButton>></YearGrid.NextButton>
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</YearGrid.Header>
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<YearGrid.Grid>
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{#each years as year (year)}
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<YearGrid.Cell {year} />
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{/each}
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</YearGrid.Grid>
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{/snippet}
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</YearGrid>
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