@wordpress/components
Version:
UI components for WordPress.
167 lines (162 loc) • 6.2 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getAutoCompleterUI = getAutoCompleterUI;
var _clsx = _interopRequireDefault(require("clsx"));
var _element = require("@wordpress/element");
var _richText = require("@wordpress/rich-text");
var _compose = require("@wordpress/compose");
var _a11y = require("@wordpress/a11y");
var _i18n = require("@wordpress/i18n");
var _getDefaultUseItems = _interopRequireDefault(require("./get-default-use-items"));
var _button = _interopRequireDefault(require("../button"));
var _popover = _interopRequireDefault(require("../popover"));
var _visuallyHidden = require("../visually-hidden");
var _reactDom = require("react-dom");
var _jsxRuntime = require("react/jsx-runtime");
/**
* External dependencies
*/
/**
* WordPress dependencies
*/
/**
* Internal dependencies
*/
function ListBox({
items,
onSelect,
selectedIndex,
instanceId,
listBoxId,
className,
Component = 'div'
}) {
return /*#__PURE__*/(0, _jsxRuntime.jsx)(Component, {
id: listBoxId,
role: "listbox",
className: "components-autocomplete__results",
children: items.map((option, index) => /*#__PURE__*/(0, _jsxRuntime.jsx)(_button.default, {
id: `components-autocomplete-item-${instanceId}-${option.key}`,
role: "option",
__next40pxDefaultSize: true,
"aria-selected": index === selectedIndex,
accessibleWhenDisabled: true,
disabled: option.isDisabled,
className: (0, _clsx.default)('components-autocomplete__result', className, {
// Unused, for backwards compatibility.
'is-selected': index === selectedIndex
}),
variant: index === selectedIndex ? 'primary' : undefined,
onClick: () => onSelect(option),
children: option.label
}, option.key))
});
}
function getAutoCompleterUI(autocompleter) {
var _autocompleter$useIte;
const useItems = (_autocompleter$useIte = autocompleter.useItems) !== null && _autocompleter$useIte !== void 0 ? _autocompleter$useIte : (0, _getDefaultUseItems.default)(autocompleter);
function AutocompleterUI({
filterValue,
instanceId,
listBoxId,
className,
selectedIndex,
onChangeOptions,
onSelect,
onReset,
reset,
contentRef
}) {
const [items] = useItems(filterValue);
const popoverAnchor = (0, _richText.useAnchor)({
editableContentElement: contentRef.current
});
const [needsA11yCompat, setNeedsA11yCompat] = (0, _element.useState)(false);
const popoverRef = (0, _element.useRef)(null);
const popoverRefs = (0, _compose.useMergeRefs)([popoverRef, (0, _compose.useRefEffect)(node => {
if (!contentRef.current) {
return;
}
// If the popover is rendered in a different document than
// the content, we need to duplicate the options list in the
// content document so that it's available to the screen
// readers, which check the DOM ID based aria-* attributes.
setNeedsA11yCompat(node.ownerDocument !== contentRef.current.ownerDocument);
}, [contentRef])]);
useOnClickOutside(popoverRef, reset);
const debouncedSpeak = (0, _compose.useDebounce)(_a11y.speak, 500);
function announce(options) {
if (!debouncedSpeak) {
return;
}
if (!!options.length) {
if (filterValue) {
debouncedSpeak((0, _i18n.sprintf)(/* translators: %d: number of results. */
(0, _i18n._n)('%d result found, use up and down arrow keys to navigate.', '%d results found, use up and down arrow keys to navigate.', options.length), options.length), 'assertive');
} else {
debouncedSpeak((0, _i18n.sprintf)(/* translators: %d: number of results. */
(0, _i18n._n)('Initial %d result loaded. Type to filter all available results. Use up and down arrow keys to navigate.', 'Initial %d results loaded. Type to filter all available results. Use up and down arrow keys to navigate.', options.length), options.length), 'assertive');
}
} else {
debouncedSpeak((0, _i18n.__)('No results.'), 'assertive');
}
}
(0, _element.useLayoutEffect)(() => {
onChangeOptions(items);
announce(items);
// We want to avoid introducing unexpected side effects.
// See https://github.com/WordPress/gutenberg/pull/41820
}, [items]);
if (items.length === 0) {
return null;
}
return /*#__PURE__*/(0, _jsxRuntime.jsxs)(_jsxRuntime.Fragment, {
children: [/*#__PURE__*/(0, _jsxRuntime.jsx)(_popover.default, {
focusOnMount: false,
onClose: onReset,
placement: "top-start",
className: "components-autocomplete__popover",
anchor: popoverAnchor,
ref: popoverRefs,
children: /*#__PURE__*/(0, _jsxRuntime.jsx)(ListBox, {
items: items,
onSelect: onSelect,
selectedIndex: selectedIndex,
instanceId: instanceId,
listBoxId: listBoxId,
className: className
})
}), contentRef.current && needsA11yCompat && (0, _reactDom.createPortal)(/*#__PURE__*/(0, _jsxRuntime.jsx)(ListBox, {
items: items,
onSelect: onSelect,
selectedIndex: selectedIndex,
instanceId: instanceId,
listBoxId: listBoxId,
className: className,
Component: _visuallyHidden.VisuallyHidden
}), contentRef.current.ownerDocument.body)]
});
}
return AutocompleterUI;
}
function useOnClickOutside(ref, handler) {
(0, _element.useEffect)(() => {
const listener = event => {
// Do nothing if clicking ref's element or descendent elements, or if the ref is not referencing an element
if (!ref.current || ref.current.contains(event.target)) {
return;
}
handler(event);
};
document.addEventListener('mousedown', listener);
document.addEventListener('touchstart', listener);
return () => {
document.removeEventListener('mousedown', listener);
document.removeEventListener('touchstart', listener);
};
}, [handler, ref]);
}
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