fix(404): add button for searches

packages/components/src/templates/next/components/complex/Infobar/Infobar.tsx

@@ -38,7 +38,7 @@ const createInfobarStyles = tv({
   },
 })
 
-const compoundStyles = createInfobarStyles()
+export const compoundStyles = createInfobarStyles()
 
 const Infobar = ({
   title,

packages/components/src/templates/next/components/complex/Infobar/index.ts

@@ -1 +1 @@
-export { default } from "./Infobar"
+export { default, compoundStyles } from "./Infobar"

packages/components/src/templates/next/layouts/NotFound/NotFound.tsx

@@ -1,6 +1,9 @@
 import { type NotFoundPageSchemaType } from "~/engine"
-import { renderComponent } from "../../render"
+import { getTailwindVariantLayout } from "~/utils"
+import { compoundStyles } from "../../components/complex/Infobar/Infobar"
+import { LinkButton } from "../../components/internal/LinkButton"
 import { Skeleton } from "../Skeleton"
+import { NotFoundSearchButton } from "./NotFoundSearchButton"
 
 const NotFoundLayout = ({
   site,
@@ -9,7 +12,13 @@ const NotFoundLayout = ({
   LinkComponent,
   ScriptComponent,
 }: NotFoundPageSchemaType) => {
+  const simplifiedLayout = getTailwindVariantLayout(layout)
+
   return (
+    // NOTE: This is taken from Infobar in components.
+    // However, we duplicated it here so that we can set the
+    // search button as a client component and avoid streaming over a
+    // huge payload to our end user
     <Skeleton
       site={site}
       page={page}
@@ -22,18 +31,57 @@ const NotFoundLayout = ({
         // but cannot be used here as tailwind does not support dynamic class names
         className={`[&_.component-content]:mx-auto [&_.component-content]:max-w-screen-xl [&_.component-content]:px-6 [&_.component-content]:md:px-10`}
       >
-        {renderComponent({
-          component: {
-            type: "infobar",
-            title: "404: Page not found",
-            description: "Sorry, the page you were looking for cannot be found",
-            buttonLabel: "Go to homepage",
-            buttonUrl: "/",
-          },
-          layout,
-          site,
-          LinkComponent,
-        })}
+        <section>
+          <div
+            className={compoundStyles.outerContainer({
+              layout: simplifiedLayout,
+            })}
+          >
+            <div
+              className={compoundStyles.innerContainer({
+                layout: simplifiedLayout,
+              })}
+            >
+              <div
+                className={compoundStyles.headingContainer({
+                  layout: simplifiedLayout,
+                })}
+              >
+                <h2
+                  className={compoundStyles.title({ layout: simplifiedLayout })}
+                >
+                  Page not found
+                </h2>
+
+                <p
+                  className={compoundStyles.description({
+                    layout: simplifiedLayout,
+                  })}
+                >
+                  This page might have been moved or deleted. Try searching for
+                  this page instead.
+                </p>
+              </div>
+
+              <div
+                className={compoundStyles.buttonContainer({
+                  layout: simplifiedLayout,
+                })}
+              >
+                <NotFoundSearchButton LinkComponent={LinkComponent} />
+                <LinkButton
+                  href="/"
+                  size="lg"
+                  variant="outline"
+                  LinkComponent={LinkComponent}
+                  isWithFocusVisibleHighlight
+                >
+                  Go to homepage
+                </LinkButton>
+              </div>
+            </div>
+          </div>
+        </section>
       </div>
     </Skeleton>
   )

packages/components/src/templates/next/layouts/NotFound/NotFoundSearchButton.tsx

@@ -0,0 +1,37 @@
+"use client"
+
+import { useEffect, useState } from "react"
+
+import type { NotFoundPageSchemaType } from "~/engine"
+import { getWordsFromPermalink } from "~/utils"
+import { LinkButton } from "../../components/internal/LinkButton"
+
+type NotFoundSearchButtonProps = Pick<NotFoundPageSchemaType, "LinkComponent">
+export const NotFoundSearchButton = ({
+  LinkComponent,
+}: NotFoundSearchButtonProps) => {
+  const [permalink, setPermalink] = useState("")
+
+  useEffect(() => {
+    // The check for typeof window and navigator ensures this only runs in browser environments, not during server-side rendering
+    if (
+      typeof window !== "undefined" &&
+      typeof window.location !== "undefined"
+    ) {
+      setPermalink(window.location.pathname)
+    }
+  }, [])
+
+  const missingPath = getWordsFromPermalink(permalink)
+
+  return (
+    <LinkButton
+      href={`/search?q=${missingPath}`}
+      size="lg"
+      LinkComponent={LinkComponent}
+      isWithFocusVisibleHighlight
+    >
+      Search for this page
+    </LinkButton>
+  )
+}

packages/components/src/utils/__tests__/getWordsFromPermalink.test.ts

@@ -0,0 +1,54 @@
+import { describe, expect, it } from "vitest"
+
+import { getWordsFromPermalink } from "~/utils"
+
+describe("getWordsFromPermalink", () => {
+  it("should trim out all symbols and return the permalink as a space separated sentence for single level permalinks", () => {
+    // Arrange
+    const singleLevelPermalink = "/this-._single=level|"
+    const expected = "this+single+level"
+
+    // Act
+    const actual = getWordsFromPermalink(singleLevelPermalink)
+
+    // Assert
+    expect(actual).toBe(expected)
+  })
+
+  it("should trim out all symbols and return the last section as a space separated sentence for nested permalinks", () => {
+    // Arrange
+    const nestedPermalink = "/nested/deeply/this-._nest'fff=level|"
+    const expected = "this+nest+fff+level"
+
+    // Act
+    const actual = getWordsFromPermalink(nestedPermalink)
+
+    // Assert
+    expect(actual).toBe(expected)
+  })
+
+  it("should handle uri-encoded strings correctly", () => {
+    // Arrange
+    const singleLevelPermalink = "/this-._single=level|"
+    const encodedPermalink = encodeURIComponent(singleLevelPermalink)
+    const expected = "this+single+level"
+
+    // Act
+    const actual = getWordsFromPermalink(encodedPermalink)
+
+    // Assert
+    expect(actual).toBe(expected)
+  })
+
+  it("should work with a trailing /", () => {
+    // Arrange
+    const singleLevelPermalink = "/this-._single=level|/"
+    const expected = "this+single+level"
+
+    // Act
+    const actual = getWordsFromPermalink(singleLevelPermalink)
+
+    // Assert
+    expect(actual).toBe(expected)
+  })
+})

packages/components/src/utils/getWordsFromPermalink.ts

@@ -0,0 +1,15 @@
+export const getWordsFromPermalink = (permalink: string): string => {
+  const trimmedPermalink = permalink.endsWith("/")
+    ? permalink.slice(0, -1)
+    : permalink
+  const lastUrlSegment = trimmedPermalink.split("/").at(-1) ?? ""
+  // NOTE: Replace all non-alphanumeric characters with spaces
+  // then remove all spaces and join by `+`.
+  // This is because we might have run-on spaces from sequences of symbols
+  // like: `+=`, which would lead to 2 spaces
+  return decodeURIComponent(lastUrlSegment)
+    .replaceAll(/[\W_]/gi, " ")
+    .split(" ")
+    .filter((v) => !!v)
+    .join("+")
+}

packages/components/src/utils/index.ts

@@ -16,3 +16,4 @@ export { isExternalUrl } from "./isExternalUrl"
 export { orderedListSchemaBuilder } from "./orderedListSchemaBuilder"
 export * from "./tailwind"
 export { unorderedListSchemaBuilder } from "./unorderedListSchemaBuilder"
+export { getWordsFromPermalink } from "./getWordsFromPermalink"