50:I[707087,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"RegistryDependencies"] 51:I[314491,["/_next/static/immutable/chunks/3arlv5bvukoo2.js","/_next/static/immutable/chunks/39v64hmfyo-sr.js","/_next/static/immutable/chunks/2nvof3-29tvc3.js","/_next/static/immutable/chunks/3tjobt77z_9dj.js","/_next/static/immutable/chunks/04j_o97cgxn2x.js","/_next/static/immutable/chunks/3upr08c9vtj8w.js","/_next/static/immutable/chunks/1ww0328si-u8x.js","/_next/static/immutable/chunks/11mfl5ymqld9-.js","/_next/static/immutable/chunks/2xxcqy6ppds3l.js","/_next/static/immutable/chunks/3j06ow7w40nxu.js","/_next/static/immutable/chunks/31nn7jwsjvqii.js","/_next/static/immutable/chunks/43_s7jweyypoh.js","/_next/static/immutable/chunks/0p6vao205o1jc.js","/_next/static/immutable/chunks/1_kyvgkyokw92.js","/_next/static/immutable/chunks/1lo-zn37dolb5.js","/_next/static/immutable/chunks/1v8k6yxw1rg0u.js"],"FilesView"] 52:T3038,"use client"; import { CircleAlertIcon } from "blode-icons-react"; import * as React from "react"; import { cn } from "@/lib/utils"; import { fetchGoogleFonts, GoogleFontsError, loadGoogleFontPreview, } from "@/lib/google-fonts"; import type { GoogleFont, GoogleFontCategory, GoogleFontsErrorCode, GoogleFontSort, } from "@/lib/google-fonts"; import { Button } from "@/components/ui/button"; import { Combobox, ComboboxContent, ComboboxEmpty, ComboboxInput, ComboboxItem, ComboboxList, } from "@/components/ui/combobox"; import { Spinner } from "@/components/ui/spinner"; /** * How far beyond the visible rows to start loading previews, so a row is already * in its own typeface by the time a scroll brings it into view. * * Previews are viewport-driven rather than capped at the top of the list. The * list is not virtualised — the full catalogue is ~1950 rows in the DOM against * roughly nine visible at a time — so a fixed "first N" cap leaves everything * the user actually scrolls to rendered in the interface font. An observer * instead ties the cost to what is on screen, which is a small constant no * matter how large the catalogue or how far down the user goes. */ const PREVIEW_ROOT_MARGIN = "240px"; interface FontPickerBaseProps extends Omit, "onChange"> { /** Keeps only these categories. Defaults to every category. */ categories?: GoogleFontCategory[]; /** Disables the picker. */ disabled?: boolean; /** Id for the input, so an external label can point at it. */ id?: string; /** Caps how many families are offered. */ limit?: number; /** Called with the newly selected family name. */ onValueChange: (family: string) => void; /** Order to request from the API. Defaults to `"popularity"`. */ sort?: GoogleFontSort; /** Keeps only families covering every one of these subsets. */ subsets?: string[]; /** The selected family name, or an empty string for none. */ value: string; /** Keeps only families offering every one of these variants. */ variants?: string[]; } /** * Where the catalogue comes from. Exactly one of the three, so a picker that * can never populate does not type-check. */ type FontPickerSourceProps = | { /** * A Google Fonts Developer API key, called straight from the browser. * Public by design — it travels in the query string of a browser request — * so restrict it by HTTP referrer in the Google Cloud Console. Prefer * `endpoint` if you have a server to hide it behind. */ apiKey: string; endpoint?: never; fonts?: never; } | { apiKey?: never; /** * A URL on your own origin that proxies the Google Fonts Developer API. * The key stays on your server and the response can be cached once for * every visitor. It must answer with `{ items }` whose rows carry * `category`, `family`, `subsets`, and `variants`. */ endpoint: string; fonts?: never; } | { apiKey?: never; endpoint?: never; /** * Supplies the catalogue directly and skips the network entirely. For * tests, offline previews, and seeding a known list on the server. */ fonts: GoogleFont[]; }; type FontPickerProps = FontPickerBaseProps & FontPickerSourceProps; const ERROR_MESSAGES: Record = { "missing-key": "Add a Google Fonts API key or endpoint to load the font list.", network: "Could not reach Google Fonts. Check your connection and try again.", "rate-limited": "Google Fonts is rate limiting this key. Try again in a moment.", "request-failed": "Google Fonts could not return the font list.", }; const FontPicker = ({ apiKey, categories, className, disabled, endpoint, fonts: fontsOverride, id, limit, onValueChange, sort = "popularity", subsets, value, variants, ...props }: FontPickerProps) => { const [fetched, setFetched] = React.useState([]); const [fetchError, setFetchError] = React.useState(null); const [fetching, setFetching] = React.useState(true); const [attempt, setAttempt] = React.useState(0); // A supplied catalogue wins outright, so the fetch state is derived rather // than mirrored — nothing can drift out of sync with the `fonts` prop. const usingOverride = fontsOverride !== undefined; const fonts = fontsOverride ?? fetched; const loading = !usingOverride && fetching; const errorCode = usingOverride ? null : fetchError; // Array props are new objects on every render, so the effect keys off their // contents rather than their identity. const filterKey = JSON.stringify({ categories, limit, sort, subsets, variants }); React.useEffect(() => { if (usingOverride) { return; } const controller = new AbortController(); const options = JSON.parse(filterKey) as { categories?: GoogleFontCategory[]; limit?: number; sort: GoogleFontSort; subsets?: string[]; variants?: string[]; }; const load = async () => { setFetching(true); setFetchError(null); try { const result = await fetchGoogleFonts({ ...options, apiKey, endpoint, signal: controller.signal, }); setFetched(result); setFetching(false); } catch (error) { if (controller.signal.aborted) { return; } setFetchError(error instanceof GoogleFontsError ? error.code : "request-failed"); setFetched([]); setFetching(false); } }; void load(); return () => controller.abort(); }, [apiKey, attempt, endpoint, filterKey, usingOverride]); const families = React.useMemo(() => fonts.map((font) => font.family), [fonts]); // Which rows are on screen. Populated by the observer below rather than by // slicing the list, so scrolling to row 900 previews row 900. const [onScreen, setOnScreen] = React.useState>(() => new Set()); const observerRef = React.useRef(null); const familyOf = React.useRef(new WeakMap()); React.useEffect(() => { const observer = new IntersectionObserver( (entries) => { setOnScreen((current) => { const next = new Set(current); let changed = false; for (const entry of entries) { const family = familyOf.current.get(entry.target); if (!family) { continue; } if (entry.isIntersecting) { if (!next.has(family)) { next.add(family); changed = true; } } else if (next.delete(family)) { changed = true; } } return changed ? next : current; }); }, { rootMargin: PREVIEW_ROOT_MARGIN }, ); observerRef.current = observer; return () => { observer.disconnect(); observerRef.current = null; }; }, []); // One stable callback per family, cached. A fresh closure per render would be // a new ref identity, so React would detach and reattach every row on every // render — and since detaching unobserves and reattaching observes, the // observer would fire, set state, and render again, forever. const itemRefs = React.useRef(new Map>()); const observeItem = React.useCallback((family: string) => { const cache = itemRefs.current; const cached = cache.get(family); if (cached) { return cached; } const ref: React.RefCallback = (node) => { const observer = observerRef.current; if (!(node && observer)) { return; } familyOf.current.set(node, family); observer.observe(node); return () => { // Unobserving cancels any pending notification, so a row that unmounts // while still intersecting would otherwise stay in `onScreen` — and its // stylesheet in `` — for the life of the picker. observer.unobserve(node); setOnScreen((current) => { if (!current.has(family)) { return current; } const next = new Set(current); next.delete(family); return next; }); }; }; cache.set(family, ref); return ref; }, []); // The selected family is previewed whether or not its row is on screen: it is // what the trigger and any sample text the consumer renders are set in, and // the popup is closed most of the time. const previewFamilies = React.useMemo(() => { const next = new Set(onScreen); if (value) { next.add(value); } return next; }, [onScreen, value]); // Diffed rather than torn down and rebuilt, so a family that survives a scroll // keeps its stylesheet instead of flashing back to the fallback. const previewsRef = React.useRef(new Map void>()); React.useEffect(() => { const active = previewsRef.current; for (const [family, release] of active) { if (!previewFamilies.has(family)) { release(); active.delete(family); } } for (const family of previewFamilies) { if (!active.has(family)) { active.set(family, loadGoogleFontPreview(family)); } } }, [previewFamilies]); React.useEffect(() => { const active = previewsRef.current; return () => { for (const release of active.values()) { release(); } active.clear(); }; }, []); if (errorCode) { return (

{ERROR_MESSAGES[errorCode]} {errorCode !== "missing-key" && ( )}

); } return (

onValueChange(next ?? "")} value={value || null} > No fonts match that search. {(family: string) => ( {family} )} {loading && ( Loading fonts… )} {!loading && families.length === 0 && ( No fonts match these filters. )}

); }; export { FontPicker }; export type { FontPickerProps }; 4f:["$","div",null,{"className":"mt-3 flex min-h-0 min-w-0 flex-1 flex-col gap-3","children":[["$","div",null,{"className":"flex shrink-0 items-start gap-3","children":[["$","div",null,{"className":"flex max-h-28 min-w-0 flex-1 flex-wrap items-center gap-2 overflow-y-auto","children":[["$","ul",null,{"className":"flex min-w-0 flex-wrap gap-2","aria-label":"Package dependencies","children":[["$","li","blode-icons-react",{"className":"min-w-0 max-w-full","children":["$","a",null,{"href":"https://www.npmjs.com/package/blode-icons-react","target":"_blank","rel":"noopener noreferrer","className":"flex max-w-full min-w-0 items-center gap-1.5 rounded-md border px-2 py-1.5 text-xs","children":[["$","svg",null,{"viewBox":"0 0 24 24","className":"size-3 shrink-0","children":["$","path",null,{"d":"M1.763 0C.786 0 0 .786 0 1.763v20.474C0 23.214.786 24 1.763 24h20.474c.977 0 1.763-.786 1.763-1.763V1.763C24 .786 23.214 0 22.237 0zM5.13 5.323l13.837.019-.009 13.836h-3.464l.01-10.382h-3.456L12.04 19.17H5.113z","fill":"currentColor"}]}],["$","span",null,{"className":"min-w-0 break-all text-xs font-medium","children":"blode-icons-react"}]]}]}]]}],["$","$L50",null,{"namespace":"@blode","registryDependencies":["@blode/button","@blode/combobox","@blode/spinner","@blode/google-fonts"]}]]}],null]}],["$","$L51",null,{"files":[{"path":"ui/font-picker.tsx","content":"$52","type":"registry:ui","target":""}],"className":"h-[70svh] min-h-80"}]]}]