fix(widgets): restore compact v1 surfaces (#6710)

packages/widgets/src/common/compact-stat-layout.ts

@@ -0,0 +1,74 @@
+const SHORT_HEIGHT_BREAKPOINT = 120;
+const NARROW_SHORT_WIDTH_BREAKPOINT = 120;
+const NARROW_SHORT_ICON_SIZE = 12;
+const SHORT_GRID_HORIZONTAL_INSET = 8;
+const SHORT_GRID_GAP = 2;
+const SHORT_ICON_WIDTH_RATIO = 0.44;
+const SHORT_ICON_SIZE_CAP = 40;
+
+export type CompactStatLayoutState = "default" | "short" | "narrowShort";
+
+interface CompactStatLayoutInput {
+  width: number;
+  height: number;
+  visibleCount: number;
+  /** Compact board display mode, independent of widget-specific compact styling options. */
+  compactDisplay: boolean;
+  defaultColumns: number;
+  defaultIconSize: number;
+}
+
+interface CompactStatLayout {
+  state: CompactStatLayoutState;
+  columns: number;
+  iconSize: number;
+}
+
+export function getCompactStatLayout({
+  width,
+  height,
+  visibleCount,
+  compactDisplay,
+  defaultColumns,
+  defaultIconSize,
+}: CompactStatLayoutInput): CompactStatLayout {
+  if (!compactDisplay) {
+    return {
+      state: "default",
+      columns: defaultColumns,
+      iconSize: defaultIconSize,
+    };
+  }
+
+  if (width < NARROW_SHORT_WIDTH_BREAKPOINT) {
+    return {
+      state: "narrowShort",
+      columns: 1,
+      iconSize: NARROW_SHORT_ICON_SIZE,
+    };
+  }
+
+  if (height >= SHORT_HEIGHT_BREAKPOINT) {
+    return {
+      state: "default",
+      columns: defaultColumns,
+      iconSize: defaultIconSize,
+    };
+  }
+
+  return {
+    state: "short",
+    columns: Math.max(visibleCount, 1),
+    iconSize: getShortIconSize(width, visibleCount, defaultIconSize),
+  };
+}
+
+function getShortIconSize(width: number, visibleCount: number, defaultIconSize: number): number {
+  const statCount = Math.max(visibleCount, 1);
+  const totalGridGap = Math.max(statCount - 1, 0) * SHORT_GRID_GAP;
+  const availableWidth = Math.max(width - SHORT_GRID_HORIZONTAL_INSET - totalGridGap, 0);
+  const availableWidthPerStat = availableWidth / statCount;
+  const proportionalIconSize = Math.round(availableWidthPerStat * SHORT_ICON_WIDTH_RATIO);
+  const cappedIconSize = Math.min(proportionalIconSize, SHORT_ICON_SIZE_CAP);
+  return Math.max(defaultIconSize, cappedIconSize);
+}