You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
2.8 KiB
JavaScript
64 lines
2.8 KiB
JavaScript
"use strict";
|
|
'use client';
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.useOptionContextStabilizer = useOptionContextStabilizer;
|
|
var React = _interopRequireWildcard(require("react"));
|
|
var _useList = require("../useList");
|
|
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
|
|
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
|
|
/**
|
|
* Stabilizes the ListContext value for the Option component, so it doesn't change when sibling Options update.
|
|
*
|
|
* @param value The value of the Option.
|
|
* @returns The stable ListContext value.
|
|
*
|
|
* Demos:
|
|
*
|
|
* - [Select](https://mui.com/base-ui/react-select/#hooks)
|
|
*
|
|
* API:
|
|
*
|
|
* - [useOptionContextStabilizer API](https://mui.com/base-ui/react-select/hooks-api/#use-option-context-stabilizer)
|
|
*/
|
|
function useOptionContextStabilizer(value) {
|
|
const listContext = React.useContext(_useList.ListContext);
|
|
if (!listContext) {
|
|
throw new Error('Option: ListContext was not found.');
|
|
}
|
|
const {
|
|
getItemState,
|
|
dispatch
|
|
} = listContext;
|
|
const {
|
|
highlighted,
|
|
selected,
|
|
focusable
|
|
} = getItemState(value);
|
|
|
|
// The local version of getItemState can be only called with the current Option's value.
|
|
// It doesn't make much sense to render an Option depending on other Options' state anyway.
|
|
const localGetItemState = React.useCallback(itemValue => {
|
|
if (itemValue !== value) {
|
|
throw new Error(['Base UI Option: Tried to access the state of another Option.', 'This is unsupported when the Option uses the OptionContextStabilizer as a performance optimization.'].join('/n'));
|
|
}
|
|
return {
|
|
highlighted,
|
|
selected,
|
|
focusable
|
|
};
|
|
}, [highlighted, selected, focusable, value]);
|
|
|
|
// Create a local (per Option) instance of the ListContext that changes only when
|
|
// the getItemState's return value changes.
|
|
// This makes Options re-render only when their state actually change, not when any Option's state changes.
|
|
const localContextValue = React.useMemo(() => ({
|
|
dispatch,
|
|
getItemState: localGetItemState
|
|
}), [dispatch, localGetItemState]);
|
|
return {
|
|
contextValue: localContextValue
|
|
};
|
|
} |