@algolia/autocomplete-core/dist/esm/onKeyDown.js

Core primitives for building autocomplete experiences.

function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _excluded = ["event", "props", "refresh", "store"];
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
import { onInput } from './onInput';
import { getPluginSubmitPromise, getActiveItem, getAutocompleteElementId } from './utils';
export function onKeyDown(_ref) {
  var event = _ref.event,
    props = _ref.props,
    refresh = _ref.refresh,
    store = _ref.store,
    setters = _objectWithoutProperties(_ref, _excluded);
  if (event.key === 'ArrowUp' || event.key === 'ArrowDown') {
    // eslint-disable-next-line no-inner-declarations
    var triggerScrollIntoView = function triggerScrollIntoView() {
      var highlightedItem = getActiveItem(store.getState());
      var nodeItem = props.environment.document.getElementById(getAutocompleteElementId(props.id, "item-".concat(store.getState().activeItemId), highlightedItem === null || highlightedItem === void 0 ? void 0 : highlightedItem.source));
      if (nodeItem) {
        if (nodeItem.scrollIntoViewIfNeeded) {
          nodeItem.scrollIntoViewIfNeeded(false);
        } else {
          nodeItem.scrollIntoView(false);
        }
      }
    }; // eslint-disable-next-line no-inner-declarations
    var triggerOnActive = function triggerOnActive() {
      var highlightedItem = getActiveItem(store.getState());
      if (store.getState().activeItemId !== null && highlightedItem) {
        var item = highlightedItem.item,
          itemInputValue = highlightedItem.itemInputValue,
          itemUrl = highlightedItem.itemUrl,
          source = highlightedItem.source;
        source.onActive(_objectSpread({
          event: event,
          item: item,
          itemInputValue: itemInputValue,
          itemUrl: itemUrl,
          refresh: refresh,
          source: source,
          state: store.getState()
        }, setters));
      }
    }; // Default browser behavior changes the caret placement on ArrowUp and
    // ArrowDown.
    event.preventDefault();

    // When re-opening the panel, we need to split the logic to keep the actions
    // synchronized as `onInput` returns a promise.
    if (store.getState().isOpen === false && (props.openOnFocus || Boolean(store.getState().query))) {
      onInput(_objectSpread({
        event: event,
        props: props,
        query: store.getState().query,
        refresh: refresh,
        store: store
      }, setters)).then(function () {
        store.dispatch(event.key, {
          nextActiveItemId: props.defaultActiveItemId
        });
        triggerOnActive();
        // Since we rely on the DOM, we need to wait for all the micro tasks to
        // finish (which include re-opening the panel) to make sure all the
        // elements are available.
        setTimeout(triggerScrollIntoView, 0);
      });
    } else {
      store.dispatch(event.key, {});
      triggerOnActive();
      triggerScrollIntoView();
    }
  } else if (event.key === 'Escape') {
    // This prevents the default browser behavior on `input[type="search"]`
    // from removing the query right away because we first want to close the
    // panel.
    event.preventDefault();
    store.dispatch(event.key, null);

    // Hitting the `Escape` key signals the end of a user interaction with the
    // autocomplete. At this point, we should ignore any requests that are still
    // pending and could reopen the panel once they resolve, because that would
    // result in an unsolicited UI behavior.
    store.pendingRequests.cancelAll();
  } else if (event.key === 'Tab') {
    store.dispatch('blur', null);

    // Hitting the `Tab` key signals the end of a user interaction with the
    // autocomplete. At this point, we should ignore any requests that are still
    // pending and could reopen the panel once they resolve, because that would
    // result in an unsolicited UI behavior.
    store.pendingRequests.cancelAll();
  } else if (event.key === 'Enter') {
    // No active item, so we let the browser handle the native `onSubmit` form
    // event.
    if (store.getState().activeItemId === null || store.getState().collections.every(function (collection) {
      return collection.items.length === 0;
    })) {
      var waitForSubmit = getPluginSubmitPromise(props.plugins, store.pendingRequests);
      if (waitForSubmit !== undefined) {
        waitForSubmit.then(store.pendingRequests.cancelAll); // Cancel the rest if timeout number is provided
      } else if (!props.debug) {
        // If requests are still pending when the panel closes, they could reopen
        // the panel once they resolve.
        // We want to prevent any subsequent query from reopening the panel
        // because it would result in an unsolicited UI behavior.
        store.pendingRequests.cancelAll();
      }
      return;
    }

    // This prevents the `onSubmit` event to be sent because an item is
    // highlighted.
    event.preventDefault();
    var _ref2 = getActiveItem(store.getState()),
      item = _ref2.item,
      itemInputValue = _ref2.itemInputValue,
      itemUrl = _ref2.itemUrl,
      source = _ref2.source;
    if (event.metaKey || event.ctrlKey) {
      if (itemUrl !== undefined) {
        source.onSelect(_objectSpread({
          event: event,
          item: item,
          itemInputValue: itemInputValue,
          itemUrl: itemUrl,
          refresh: refresh,
          source: source,
          state: store.getState()
        }, setters));
        props.navigator.navigateNewTab({
          itemUrl: itemUrl,
          item: item,
          state: store.getState()
        });
      }
    } else if (event.shiftKey) {
      if (itemUrl !== undefined) {
        source.onSelect(_objectSpread({
          event: event,
          item: item,
          itemInputValue: itemInputValue,
          itemUrl: itemUrl,
          refresh: refresh,
          source: source,
          state: store.getState()
        }, setters));
        props.navigator.navigateNewWindow({
          itemUrl: itemUrl,
          item: item,
          state: store.getState()
        });
      }
    } else if (event.altKey) {
      // Keep native browser behavior
    } else {
      if (itemUrl !== undefined) {
        source.onSelect(_objectSpread({
          event: event,
          item: item,
          itemInputValue: itemInputValue,
          itemUrl: itemUrl,
          refresh: refresh,
          source: source,
          state: store.getState()
        }, setters));
        props.navigator.navigate({
          itemUrl: itemUrl,
          item: item,
          state: store.getState()
        });
        return;
      }
      onInput(_objectSpread({
        event: event,
        nextState: {
          isOpen: false
        },
        props: props,
        query: itemInputValue,
        refresh: refresh,
        store: store
      }, setters)).then(function () {
        source.onSelect(_objectSpread({
          event: event,
          item: item,
          itemInputValue: itemInputValue,
          itemUrl: itemUrl,
          refresh: refresh,
          source: source,
          state: store.getState()
        }, setters));
      });
    }
  }
}