Refactor sidebar (#6971)

* Refactor RightNav

(cherry picked from commit 96bb02acfd2d7452df18a0e7410e6a7169a583ed)

* Better gutter handling

* Clean up styles

* Memoize breakpoints

* Format

* Comment

* Loosen spacing, handle overflow, smaller text to match prod

* Fix circular imports on native

* Return 0 instead of undefined for easier calculations

* Re-assign

* Fix

* Port over fix from subs/base

* Space out right nav feeds, widen sidebar to match prod

* Fix lost padding on home header

* Fix perf by not actually linking to new URL

* Remove underline on focus

* Foramt

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>

src/alf/util/useGutterStyles.ts

@@ -1,21 +0,0 @@
-import React from 'react'
-
-import {atoms as a, useBreakpoints, ViewStyleProp} from '#/alf'
-
-export function useGutterStyles({
-  top,
-  bottom,
-}: {
-  top?: boolean
-  bottom?: boolean
-} = {}) {
-  const {gtMobile} = useBreakpoints()
-  return React.useMemo<ViewStyleProp['style']>(() => {
-    return [
-      a.px_lg,
-      top && a.pt_md,
-      bottom && a.pb_md,
-      gtMobile && [a.px_xl, top && a.pt_lg, bottom && a.pb_lg],
-    ]
-  }, [gtMobile, top, bottom])
-}

src/alf/util/useGutters.ts

@@ -0,0 +1,66 @@
+import React from 'react'
+
+import {Breakpoint, useBreakpoints} from '#/alf/breakpoints'
+import * as tokens from '#/alf/tokens'
+
+type Gutter = 'compact' | 'base' | 'wide' | 0
+
+const gutters: Record<
+  Exclude<Gutter, 0>,
+  Record<Breakpoint | 'default', number>
+> = {
+  compact: {
+    default: tokens.space.sm,
+    gtPhone: tokens.space.sm,
+    gtMobile: tokens.space.md,
+    gtTablet: tokens.space.md,
+  },
+  base: {
+    default: tokens.space.lg,
+    gtPhone: tokens.space.lg,
+    gtMobile: tokens.space.xl,
+    gtTablet: tokens.space.xl,
+  },
+  wide: {
+    default: tokens.space.xl,
+    gtPhone: tokens.space.xl,
+    gtMobile: tokens.space._3xl,
+    gtTablet: tokens.space._3xl,
+  },
+}
+
+type Gutters = {
+  paddingTop: number
+  paddingRight: number
+  paddingBottom: number
+  paddingLeft: number
+}
+
+export function useGutters([all]: [Gutter]): Gutters
+export function useGutters([vertical, horizontal]: [Gutter, Gutter]): Gutters
+export function useGutters([top, right, bottom, left]: [
+  Gutter,
+  Gutter,
+  Gutter,
+  Gutter,
+]): Gutters
+export function useGutters([top, right, bottom, left]: Gutter[]) {
+  const {activeBreakpoint} = useBreakpoints()
+  if (right === undefined) {
+    right = bottom = left = top
+  } else if (bottom === undefined) {
+    bottom = top
+    left = right
+  }
+  return React.useMemo(() => {
+    return {
+      paddingTop: top === 0 ? 0 : gutters[top][activeBreakpoint || 'default'],
+      paddingRight:
+        right === 0 ? 0 : gutters[right][activeBreakpoint || 'default'],
+      paddingBottom:
+        bottom === 0 ? 0 : gutters[bottom][activeBreakpoint || 'default'],
+      paddingLeft:
+        left === 0 ? 0 : gutters[left][activeBreakpoint || 'default'],
+    }
+  }, [activeBreakpoint, top, right, bottom, left])
+}