Add DataTable Storybook coverage

apps/docs/src/components/data-table.stories.tsx

@@ -0,0 +1,441 @@
+import {
+  Badge,
+  Button,
+  DataTable,
+  EmptyState,
+  EmptyStateActions,
+  EmptyStateDescription,
+  EmptyStateEyebrow,
+  EmptyStateHeader,
+  EmptyStateMedia,
+  EmptyStateTitle,
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue
+} from "@ai-ui/ui";
+import type { DataTableColumn, DataTableSort } from "@ai-ui/ui";
+import type { Meta, StoryObj } from "@storybook/react";
+import { useState } from "react";
+
+type RoutingLaneState = "Ready" | "Watching" | "Quiet" | "Holding";
+type RoutingFilter = "all" | "holding" | "quiet" | "ready" | "watching";
+
+type RoutingLaneRow = {
+  audience: string;
+  id: string;
+  lane: "Editorial" | "Engineering" | "Support";
+  nextGate: string;
+  note: string;
+  owner: string;
+  ownerEmail: string;
+  signalScore: number;
+  state: RoutingLaneState;
+};
+
+const routingRows: RoutingLaneRow[] = [
+  {
+    audience: "Narrative lock",
+    id: "editorial-copy-lock",
+    lane: "Editorial",
+    nextGate: "18:40",
+    note: "Copy is locked and the migration footnote is waiting on the final legal sentence.",
+    owner: "Mae Kurata",
+    ownerEmail: "mae.kurata@cadence.dev",
+    signalScore: 8,
+    state: "Ready"
+  },
+  {
+    audience: "10% canary",
+    id: "engineering-canary",
+    lane: "Engineering",
+    nextGate: "19:15",
+    note: "Canary checks are green, but the first wave should wait for the routing digest.",
+    owner: "Dorian Vale",
+    ownerEmail: "dorian.vale@cadence.dev",
+    signalScore: 14,
+    state: "Watching"
+  },
+  {
+    audience: "Support queue",
+    id: "support-queue",
+    lane: "Support",
+    nextGate: "19:32",
+    note: "Digest pack is staged and the customer macro is ready for the next quiet pass.",
+    owner: "Lia Sato",
+    ownerEmail: "lia.sato@cadence.dev",
+    signalScore: 5,
+    state: "Quiet"
+  },
+  {
+    audience: "Legal footnote",
+    id: "editorial-legal-note",
+    lane: "Editorial",
+    nextGate: "19:05",
+    note: "One migration sentence still needs counsel review before the customer note can publish.",
+    owner: "Mae Kurata",
+    ownerEmail: "mae.kurata@cadence.dev",
+    signalScore: 17,
+    state: "Holding"
+  },
+  {
+    audience: "Wave brief",
+    id: "engineering-wave-brief",
+    lane: "Engineering",
+    nextGate: "19:44",
+    note: "Rollback thresholds are staged and the launch brief is ready for the first wave.",
+    owner: "Dorian Vale",
+    ownerEmail: "dorian.vale@cadence.dev",
+    signalScore: 11,
+    state: "Ready"
+  },
+  {
+    audience: "Customer note",
+    id: "support-customer-note",
+    lane: "Support",
+    nextGate: "20:05",
+    note: "Keep the public note unpublished until the queue stays quiet for one more pass.",
+    owner: "Lia Sato",
+    ownerEmail: "lia.sato@cadence.dev",
+    signalScore: 13,
+    state: "Watching"
+  }
+];
+
+const routingFilterOptions: Array<{ label: string; value: RoutingFilter }> = [
+  { label: "All lanes", value: "all" },
+  { label: "Ready", value: "ready" },
+  { label: "Watching", value: "watching" },
+  { label: "Quiet", value: "quiet" },
+  { label: "Holding", value: "holding" }
+];
+
+const routingColumns: DataTableColumn<RoutingLaneRow>[] = [
+  {
+    accessor: "lane",
+    cell: (row) => (
+      <div className="grid gap-1">
+        <div className="flex flex-wrap items-center gap-2">
+          <span className="text-sm font-medium text-[var(--color-foreground)]">{row.lane}</span>
+          <Badge size="sm" variant="outline">
+            {row.audience}
+          </Badge>
+        </div>
+        <p className="text-xs uppercase tracking-[var(--tracking-caps)] text-[var(--color-muted-foreground)]">
+          {row.nextGate} next gate
+        </p>
+      </div>
+    ),
+    header: "Lane",
+    id: "lane",
+    sortable: true,
+    width: "18rem"
+  },
+  {
+    accessor: "owner",
+    cell: (row) => (
+      <div className="grid gap-1">
+        <span className="text-sm font-medium text-[var(--color-foreground)]">{row.owner}</span>
+        <span className="text-xs text-[var(--color-muted-foreground)]">{row.ownerEmail}</span>
+      </div>
+    ),
+    header: "Owner",
+    id: "owner",
+    sortable: true,
+    width: "15rem"
+  },
+  {
+    accessor: "state",
+    cell: (row) => (
+      <div className="flex flex-wrap items-center gap-3">
+        <Badge size="sm" tone={getStateTone(row.state)} variant="solid">
+          {row.state}
+        </Badge>
+        <span className="text-xs uppercase tracking-[var(--tracking-caps)] text-[var(--color-muted-foreground)]">
+          Risk {row.signalScore}
+        </span>
+      </div>
+    ),
+    header: "Signal",
+    id: "state",
+    sortable: true,
+    width: "12rem"
+  },
+  {
+    accessor: "note",
+    cell: (row) => (
+      <p className="max-w-[34rem] text-sm leading-6 text-[var(--color-muted-foreground)]">
+        {row.note}
+      </p>
+    ),
+    header: "Routing note",
+    id: "note",
+    width: "34rem"
+  }
+];
+
+function SignalGlyph() {
+  return (
+    <div className="grid gap-2">
+      <div className="grid grid-cols-[0.8rem_2.8rem_1.5rem] gap-2">
+        <span className="h-3 rounded-[var(--radius-full)] bg-[var(--color-primary)]" />
+        <span className="h-3 rounded-[var(--radius-full)] bg-[var(--color-surface-strong)]" />
+        <span className="h-3 rounded-[var(--radius-full)] bg-[var(--color-accent)]" />
+      </div>
+      <div className="grid gap-2">
+        <span className="h-2 rounded-[var(--radius-full)] bg-[var(--color-border-strong)]" />
+        <span className="h-2 w-16 rounded-[var(--radius-full)] bg-[var(--color-border)]" />
+      </div>
+    </div>
+  );
+}
+
+function getFilterLabel(value: RoutingFilter) {
+  return routingFilterOptions.find((option) => option.value === value)?.label ?? "All lanes";
+}
+
+function getStateTone(state: RoutingLaneState) {
+  switch (state) {
+    case "Ready":
+      return "success";
+    case "Watching":
+      return "primary";
+    case "Holding":
+      return "warning";
+    case "Quiet":
+    default:
+      return "neutral";
+  }
+}
+
+function RoutingEmptyState({ onReset }: { onReset: () => void }) {
+  return (
+    <EmptyState className="min-h-72 justify-center border-0 bg-transparent shadow-none" tone="subtle">
+      <EmptyStateMedia>
+        <SignalGlyph />
+      </EmptyStateMedia>
+      <EmptyStateHeader>
+        <EmptyStateEyebrow>No visible routing lanes</EmptyStateEyebrow>
+        <EmptyStateTitle>The current desk view is intentionally sparse.</EmptyStateTitle>
+        <EmptyStateDescription>
+          Clear the search or switch the lane filter if you need a wider handoff view.
+        </EmptyStateDescription>
+      </EmptyStateHeader>
+      <EmptyStateActions>
+        <Button onClick={onReset}>Reset table view</Button>
+      </EmptyStateActions>
+    </EmptyState>
+  );
+}
+
+function DataTablePlayground() {
+  const [filter, setFilter] = useState<RoutingFilter>("all");
+  const [searchValue, setSearchValue] = useState("");
+  const [selection, setSelection] = useState<Record<string, boolean>>({});
+  const [sorting, setSorting] = useState<DataTableSort[]>([{ desc: false, id: "lane" }]);
+  const [activity, setActivity] = useState(
+    "Search, sort, filter, and select lanes without leaving the desk."
+  );
+
+  const visibleRows = routingRows.filter((row) => {
+    if (filter === "all") {
+      return true;
+    }
+
+    return row.state.toLowerCase() === filter;
+  });
+
+  function resetView() {
+    setFilter("all");
+    setSearchValue("");
+    setSelection({});
+    setSorting([{ desc: false, id: "lane" }]);
+    setActivity("The routing desk is back to its default view.");
+  }
+
+  return (
+    <div className="grid gap-4 text-[var(--color-foreground)]">
+      <div className="grid gap-3 rounded-[var(--radius-lg)] border border-[var(--color-border)] bg-[var(--color-card)] p-4 shadow-[var(--shadow-sm)] lg:grid-cols-[minmax(0,1fr)_18rem]">
+        <div className="space-y-2">
+          <p className="text-xs uppercase tracking-[var(--tracking-caps)] text-[var(--color-muted-foreground)]">
+            Standalone workflow
+          </p>
+          <h2 className="text-xl font-semibold tracking-[var(--tracking-tight)]">
+            One table for owners, notes, signals, and the next gate.
+          </h2>
+          <p className="text-sm leading-6 text-[var(--color-muted-foreground)]">
+            This page isolates the DataTable contract from the larger release workspace while still
+            exercising built-in search, sorting, pagination, selection, and toolbar actions.
+          </p>
+        </div>
+        <div className="rounded-[var(--radius-md)] border border-[var(--color-border)] bg-[var(--color-background)] px-4 py-3">
+          <p className="text-xs uppercase tracking-[var(--tracking-caps)] text-[var(--color-muted-foreground)]">
+            Last action
+          </p>
+          <p className="mt-2 text-sm leading-6 text-[var(--color-foreground)]">{activity}</p>
+        </div>
+      </div>
+
+      <div className="w-full max-w-[1120px] rounded-[var(--radius-lg)] border border-[var(--color-border)] bg-[var(--color-card)] p-4 shadow-[var(--shadow-sm)]">
+        <DataTable
+          columns={routingColumns}
+          empty={<RoutingEmptyState onReset={resetView} />}
+          enableSelection
+          getRowId={(row) => row.id}
+          onSearchValueChange={setSearchValue}
+          onSelectionChange={setSelection}
+          onSortingChange={setSorting}
+          pageSize={3}
+          pageSizeOptions={[3, 5]}
+          renderRowActions={(row) => (
+            <Button
+              size="sm"
+              variant="ghost"
+              onClick={() => {
+                setActivity(`Opened ${row.lane} lane for the next routing pass.`);
+              }}
+            >
+              Open {row.lane}
+            </Button>
+          )}
+          rows={visibleRows}
+          searchLabel="Search routing lanes"
+          searchPlaceholder="Search lanes, owners, and notes"
+          searchValue={searchValue}
+          selection={selection}
+          selectionActions={(selectedRows) => (
+            <>
+              <Button
+                size="sm"
+                variant="secondary"
+                onClick={() => {
+                  setActivity(
+                    `Queued a digest for ${selectedRows.length} lane${selectedRows.length === 1 ? "" : "s"}.`
+                  );
+                }}
+              >
+                Queue digest
+              </Button>
+              <Button
+                size="sm"
+                variant="ghost"
+                onClick={() => {
+                  setSelection({});
+                  setActivity("Selection cleared after the handoff review.");
+                }}
+              >
+                Clear handoff
+              </Button>
+            </>
+          )}
+          selectionLabel={(selectedRows) =>
+            `${selectedRows.length} lane${selectedRows.length === 1 ? "" : "s"} selected for a routing handoff.`
+          }
+          sorting={sorting}
+          tableLabel="Routing lanes"
+          toolbarActions={
+            <>
+              <Select
+                value={filter}
+                onValueChange={(value) => {
+                  setFilter(value as RoutingFilter);
+                  setSelection({});
+                  setActivity(`Filtered the desk to ${getFilterLabel(value as RoutingFilter)}.`);
+                }}
+              >
+                <SelectTrigger aria-label="Filter lanes" className="w-[11rem]">
+                  <SelectValue placeholder="Filter lanes" />
+                </SelectTrigger>
+                <SelectContent>
+                  {routingFilterOptions.map((option) => (
+                    <SelectItem key={option.value} value={option.value}>
+                      {option.label}
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+              <Button
+                size="sm"
+                variant="secondary"
+                onClick={resetView}
+              >
+                Reset view
+              </Button>
+            </>
+          }
+        />
+      </div>
+    </div>
+  );
+}
+
+function DataTableLoadingState() {
+  return (
+    <div className="w-full max-w-[1120px] rounded-[var(--radius-lg)] border border-[var(--color-border)] bg-[var(--color-card)] p-4 shadow-[var(--shadow-sm)]">
+      <DataTable
+        columns={routingColumns}
+        getRowId={(row) => row.id}
+        loading
+        loadingRowCount={3}
+        pageSize={3}
+        pageSizeOptions={[3]}
+        rows={routingRows}
+        searchLabel="Search routing lanes"
+        tableLabel="Routing lanes"
+      />
+    </div>
+  );
+}
+
+function DataTableEmptyStateDemo() {
+  return (
+    <div className="w-full max-w-[1120px] rounded-[var(--radius-lg)] border border-[var(--color-border)] bg-[var(--color-card)] p-4 shadow-[var(--shadow-sm)]">
+      <DataTable
+        columns={routingColumns}
+        empty={<RoutingEmptyState onReset={() => undefined} />}
+        pageSize={3}
+        pageSizeOptions={[3]}
+        rows={[]}
+        searchLabel="Search routing lanes"
+        tableLabel="Routing lanes"
+        toolbarActions={
+          <Button size="sm" variant="secondary">
+            Create lane
+          </Button>
+        }
+      />
+    </div>
+  );
+}
+
+const meta = {
+  id: "components-data-table",
+  title: "Components/DataTable",
+  component: DataTablePlayground,
+  parameters: {
+    docs: {
+      description: {
+        component:
+          "A production-style table primitive with built-in search, sorting, pagination, row selection, and external toolbar actions. This standalone page isolates the component from the larger workspace scene while keeping a realistic routing-desk narrative."
+      }
+    },
+    layout: "padded"
+  },
+  tags: ["autodocs"]
+} satisfies Meta<typeof DataTablePlayground>;
+
+export default meta;
+
+type Story = StoryObj<typeof meta>;
+
+export const Playground: Story = {};
+
+export const LoadingState: Story = {
+  render: () => <DataTableLoadingState />
+};
+
+export const EmptyStateExample: Story = {
+  name: "Empty State",
+  render: () => <DataTableEmptyStateDemo />
+};