react-instantsearch/dist/cjs/ui/Stats.js

⚡ Lightning-fast search for React, by Algolia

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "Stats", {
    enumerable: true,
    get: function() {
        return Stats;
    }
});
var _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
var _object_spread = require("@swc/helpers/_/_object_spread");
var _object_spread_props = require("@swc/helpers/_/_object_spread_props");
var _object_without_properties = require("@swc/helpers/_/_object_without_properties");
var _sliced_to_array = require("@swc/helpers/_/_sliced_to_array");
var _instantsearchuicomponents = require("instantsearch-ui-components");
var _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
// Delay before announcing an update, so that rapid changes (e.g. typing in the
// search box) settle into a single announcement instead of piling up. Mirrors
// the debounce used by GOV.UK's accessible-autocomplete.
var ANNOUNCEMENT_DELAY = 1400;
var visuallyHiddenStyle = {
    position: 'absolute',
    width: 1,
    height: 1,
    padding: 0,
    margin: -1,
    overflow: 'hidden',
    clip: 'rect(0, 0, 0, 0)',
    whiteSpace: 'nowrap',
    border: 0
};
function Stats(_0) {
    var _0_classNames = _0.classNames, classNames = _0_classNames === void 0 ? {} : _0_classNames, nbHits = _0.nbHits, processingTimeMS = _0.processingTimeMS, nbSortedHits = _0.nbSortedHits, areHitsSorted = _0.areHitsSorted, translations = _0.translations, props = _object_without_properties._(_0, [
        "classNames",
        "nbHits",
        "processingTimeMS",
        "nbSortedHits",
        "areHitsSorted",
        "translations"
    ]);
    var translationOptions = {
        nbHits: nbHits,
        processingTimeMS: processingTimeMS,
        nbSortedHits: nbSortedHits,
        areHitsSorted: areHitsSorted
    };
    var nextAnnouncement = translations.announcementText ? translations.announcementText(translationOptions) : '';
    var _useState = _sliced_to_array._((0, _react.useState)(''), 2), announcement = _useState[0], setAnnouncement = _useState[1];
    var timerRef = (0, _react.useRef)(undefined);
    var isInitialRef = (0, _react.useRef)(true);
    (0, _react.useEffect)(function() {
        // Don't announce the initial results, only subsequent changes.
        if (isInitialRef.current) {
            isInitialRef.current = false;
            return undefined;
        }
        clearTimeout(timerRef.current);
        timerRef.current = setTimeout(function() {
            setAnnouncement(nextAnnouncement);
        }, ANNOUNCEMENT_DELAY);
        return function() {
            return clearTimeout(timerRef.current);
        };
    }, [
        nextAnnouncement
    ]);
    return /*#__PURE__*/ _react.default.createElement("div", _object_spread_props._(_object_spread._({}, props), {
        className: (0, _instantsearchuicomponents.cx)('ais-Stats', classNames.root, props.className)
    }), /*#__PURE__*/ _react.default.createElement("span", {
        className: "ais-Stats-text"
    }, translations.rootElementText(translationOptions)), /*#__PURE__*/ _react.default.createElement("span", {
        className: "ais-Stats-announcement",
        role: "status",
        "aria-live": "polite",
        "aria-atomic": "true",
        style: visuallyHiddenStyle
    }, announcement));
}