feat(frontend): allow presets to be explored in dedicated page

frontend/src/app/(navfooter)/preset/page.tsx

@@ -0,0 +1,12 @@
+import { Presets } from "@/app/(navfooter)/preset/presets"
+import { get } from "@/lib/api/request"
+
+export default async function Page() {
+    const compilers = await get("/compiler")
+
+    return (
+        <main className="mx-auto w-full max-w-3xl p-4">
+            <Presets serverCompilers={compilers}/>
+        </main>
+    )
+}

frontend/src/app/(navfooter)/preset/presets.tsx

@@ -0,0 +1,36 @@
+"use client"
+
+import { useState } from "react"
+
+import PlatformSelect from "@/components/PlatformSelect"
+import { PresetList } from "@/components/PresetList"
+import * as api from "@/lib/api"
+
+export function Presets({ serverCompilers }: {
+    serverCompilers: {
+        platforms: {
+            [id: string]: api.Platform
+        }
+        compilers: {
+            [id: string]: api.Compiler
+        }
+    }
+}) {
+
+    const platforms = Object.keys(serverCompilers.platforms)
+
+    const [platform, setPlatform] = useState<string>(platforms.length > 0 ? platforms[0] : "")
+
+    return (
+        <section>
+            <h2 className="pb-2 text-lg font-medium tracking-tight">Platforms</h2>
+            <PlatformSelect
+                platforms={serverCompilers.platforms}
+                value={platform}
+                onChange={setPlatform}
+            />
+            <h2 className="py-2 text-lg font-medium tracking-tight">Presets</h2>
+            <PresetList url={`/preset?platform=${platform}`}/>
+        </section>
+    )
+}

frontend/src/components/PlatformSelect/PlatformIcon.tsx

@@ -1,3 +1,7 @@
+import Link from "next/link"
+
+import { platformUrl } from "@/lib/api/urls"
+
 import LogoDreamcast from "./dreamcast.svg"
 import LogoGBA from "./gba.svg"
 import LogoGCWii from "./gc_wii.svg"
@@ -39,15 +43,27 @@ export const PLATFORMS = Object.keys(ICONS)
 export type Props = {
     platform: string
     className?: string
+    clickable?: boolean
     size?: string | number
 }
 
 export function platformIcon(platform: string) {
     return ICONS[platform as keyof typeof ICONS] || UnknownIcon
 }
 
-export function PlatformIcon({ platform, className, size }: Props) {
+export function PlatformIcon({ platform, className, clickable, size }: Props) {
     const Icon = platformIcon(platform)
+    const url = platformUrl(platform)
 
-    return <Icon width={size} height={size} className={className} />
+    if (clickable) {
+        return (
+            <Link href={url}>
+                <Icon width={size} height={size} className={className} />
+            </Link>
+        )
+    } else {
+        return (
+            <Icon width={size} height={size} className={className} />
+        )
+    }
 }

frontend/src/components/PlatformSelect/PlatformSelect.tsx

@@ -25,7 +25,7 @@ export default function PlatformSelect({ platforms, value, onChange, className }
             className={classNames(styles.platform, { [styles.selected]: value === key })}
             onClick={() => onChange(key)}
         >
-            <PlatformIcon platform={key} />
+            <PlatformIcon clickable={false} platform={key} />
             <div className={styles.labelContainer}>
                 <div className={styles.consoleName}>{platform.name}</div>
                 <div className={styles.platformName}>{platform.description}</div>

frontend/src/components/PresetList.tsx

@@ -0,0 +1,73 @@
+"use client"
+
+import type { ReactNode, JSX } from "react"
+
+import Link from "next/link"
+
+import classNames from "classnames"
+
+import AsyncButton from "@/components/AsyncButton"
+import Button from "@/components/Button"
+import LoadingSpinner from "@/components/loading.svg"
+import { PlatformIcon } from "@/components/PlatformSelect/PlatformIcon"
+import { type Preset, usePaginated } from "@/lib/api"
+import { presetUrl } from "@/lib/api/urls"
+import useTranslation from "@/lib/i18n/translate"
+
+export interface Props {
+    url?: string
+    className?: string
+    item?: ({ preset }: { preset: Preset }) => JSX.Element
+    emptyButtonLabel?: ReactNode
+}
+
+export function PresetList({ url, className, item, emptyButtonLabel }: Props): JSX.Element {
+    const { results, isLoading, hasNext, loadNext } = usePaginated<Preset>(url || "/preset")
+    if (results.length === 0 && isLoading) {
+        return <div className={classNames("flex justify-center items-center gap-[0.5em] p-[1em] opacity-50", className)}>
+            <LoadingSpinner width="1.5em" height="1.5em" />
+            Just a moment...
+        </div>
+    }
+
+    const Item = item ?? PresetItem
+
+    return (
+        <ul className={classNames("flex flex-col justify-center gap-[0.5em] overflow-hidden rounded-md border-gray-6 text-sm", className)}>
+            {results.map(preset => (
+                <Item hideIcon key={preset.id} preset={preset} />
+            ))}
+            {results.length === 0 && emptyButtonLabel && <li className={"col-[span_var(--num-columns,_1)] mt-[0.5em] flex items-center justify-center opacity-70"}>
+                <Link href="/new">
+
+                    <Button>
+                        {emptyButtonLabel}
+                    </Button>
+
+                </Link>
+            </li>}
+            {hasNext && <li className={"col-[span_var(--num-columns,_1)] mt-[0.5em] flex items-center justify-center opacity-70"}>
+                <AsyncButton onClick={loadNext}>
+                    Show more
+                </AsyncButton>
+            </li>}
+        </ul>
+    )
+}
+
+export function PresetItem({ preset, hideIcon }: { preset: Preset, hideIcon?: boolean }): JSX.Element {
+    const compilersTranslation = useTranslation("compilers")
+    const compilerName = compilersTranslation.t(preset.compiler)
+
+    return (
+        <div className="rounded-md border border-gray-6 p-[1em] text-sm">
+            <div className="flex items-center gap-2">
+                {hideIcon && <PlatformIcon platform={preset.platform} className="w-[1.2em]"/>}
+                <a className="font-semibold hover:text-[var(--link)]" href={presetUrl(preset)}>
+                    {preset.name}
+                </a>
+            </div>
+            <p className="text-gray-11">{compilerName}</p>
+        </div>
+    )
+}