feat: add react-i18next with English and Hindi locale support.

- Add i18next + react-i18next + i18next-browser-languagedetector.
- EN/HI translation files covering all UI strings across every page and component.
- Language switcher button in Navbar; choice persisted to localStorage.
- document.documentElement.lang synced to active language in App.
- Skip-nav link and #main-content anchor for keyboard accessibility.
- aria-describedby on modal dialog; page title and meta description in index.html.
- Secure page title set to 'BIS SP-21 Standards.'
This commit is contained in:
K
2026-05-03 00:01:14 +05:30
parent 0d8b2cdb3f
commit 8e1348fb63
19 changed files with 781 additions and 272 deletions
+36 -30
View File
@@ -1,21 +1,20 @@
import { useEffect, useState, useCallback } from "react";
import { useSearchParams } from "react-router-dom";
import { useTranslation } from "react-i18next";
import { fetchStandards, fetchCategories } from "../api/standards";
import StandardCard from "../components/StandardCard";
import StandardModal from "../components/StandardModal";
import { useDebounce } from "../hooks/useDebounce";
import "./Standards.css";
const PAGE_SIZE = 18;
/**
* Standards search page with pagination.
* Uses URL search params for query/category state.
* Loads standards on mount and handles user interactions.
*/
export default function Standards() {
const { t } = useTranslation();
const [searchParams, setSearchParams] = useSearchParams();
const [query, setQuery] = useState(searchParams.get("q") || "");
const debouncedQuery = useDebounce(query, 350);
const [category, setCategory] = useState(searchParams.get("category") || "");
const [page, setPage] = useState(1);
@@ -35,32 +34,37 @@ export default function Standards() {
setMeta(data.meta);
setPage(pg);
} catch {
setError("Could not load standards. Is the server running?");
setError(t("standards.serverError"));
} finally {
setLoading(false);
}
}, []);
}, [t]);
useEffect(() => {
fetchCategories().then(setCategories).catch(() => {});
load(query, category, 1);
load(debouncedQuery, category, 1);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, []);
useEffect(() => {
load(debouncedQuery, category, 1);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [debouncedQuery]);
useEffect(() => {
const params = {};
if (query) params.q = query;
if (debouncedQuery) params.q = debouncedQuery;
if (category) params.category = category;
setSearchParams(params, { replace: true });
}, [query, category, setSearchParams]);
}, [debouncedQuery, category, setSearchParams]);
const handleCategoryChange = (value) => {
setCategory(value);
load(query, value, 1);
load(debouncedQuery, value, 1);
};
const handlePageChange = (pg) => {
load(query, category, pg);
load(debouncedQuery, category, pg);
window.scrollTo({ top: 0, behavior: "smooth" });
};
@@ -74,8 +78,8 @@ export default function Standards() {
<main className="standards-page">
<section className="tile tile-parchment search-tile" aria-labelledby="search-heading">
<div className="tile-inner">
<h1 className="display-lg" id="search-heading">Find an IS Standard</h1>
<p className="lead-sub">Search by standard number, title, material, or keyword.</p>
<h1 className="display-lg" id="search-heading">{t("standards.heading")}</h1>
<p className="lead-sub">{t("standards.lead")}</p>
<form className="search-form" role="search" onSubmit={(e) => e.preventDefault()}>
<div className="search-wrap">
@@ -85,15 +89,15 @@ export default function Standards() {
type="search"
value={query}
onChange={(e) => setQuery(e.target.value)}
placeholder="e.g. Ordinary Portland Cement, IS 269, aggregates…"
aria-label="Search standards"
placeholder={t("standards.searchPlaceholder")}
aria-label={t("standards.searchLabel")}
/>
{query && (
<button
className="search-clear"
type="button"
onClick={handleClearSearch}
aria-label="Clear search"
aria-label={t("standards.clearSearch")}
>
</button>
@@ -104,9 +108,9 @@ export default function Standards() {
className="category-filter"
value={category}
onChange={(e) => handleCategoryChange(e.target.value)}
aria-label="Filter by category"
aria-label={t("standards.categoryFilter")}
>
<option value="">All Categories</option>
<option value="">{t("standards.allCategories")}</option>
{categories.map((c) => (
<option key={c.name} value={c.name}>
{c.name} ({c.count})
@@ -124,8 +128,10 @@ export default function Standards() {
{!error && meta && (
<p className="results-meta">
{loading ? "Searching…" : `${meta.total} standard${meta.total !== 1 ? "s" : ""} found`}
{meta.total > 0 && ` — page ${meta.page} of ${meta.totalPages}`}
{loading
? t("standards.searching")
: t("standards.found", { count: meta.total })}
{!loading && meta.total > 0 && `${t("standards.page", { page: meta.page, total: meta.totalPages })}`}
</p>
)}
@@ -139,8 +145,8 @@ export default function Standards() {
{!loading && results.length === 0 && !error && (
<div className="results-empty">
<p className="empty-title">No standards found</p>
<p className="empty-sub">Try a different keyword or clear the category filter.</p>
<p className="empty-title">{t("standards.noResultsTitle")}</p>
<p className="empty-sub">{t("standards.noResultsSub")}</p>
</div>
)}
@@ -157,14 +163,14 @@ export default function Standards() {
)}
{meta && meta.totalPages > 1 && (
<nav className="pagination" aria-label="Results pagination">
<nav className="pagination" aria-label={t("standards.pagination")}>
<button
className="page-btn"
disabled={page <= 1}
onClick={() => handlePageChange(page - 1)}
aria-label="Previous page"
aria-label={t("standards.prevPage")}
>
Prev
{t("standards.prevPage")}
</button>
<div className="page-numbers">
{buildPageRange(page, meta.totalPages).map((p, i) =>
@@ -175,7 +181,7 @@ export default function Standards() {
key={p}
className={`page-btn${p === page ? " active" : ""}`}
onClick={() => handlePageChange(p)}
aria-label={`Page ${p}`}
aria-label={t("standards.pageLabel", { page: p })}
aria-current={p === page ? "page" : undefined}
>
{p}
@@ -187,9 +193,9 @@ export default function Standards() {
className="page-btn"
disabled={page >= meta.totalPages}
onClick={() => handlePageChange(page + 1)}
aria-label="Next page"
aria-label={t("standards.nextPage")}
>
Next
{t("standards.nextPage")}
</button>
</nav>
)}
@@ -222,4 +228,4 @@ function SearchIcon() {
<path d="M14 14l4 4" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" />
</svg>
);
}
}