antd
Version:
An enterprise-class UI design language and React components implementation
58 lines (45 loc) • 2.63 kB
JavaScript
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = useCacheErrors;
var React = _interopRequireWildcard(require("react"));
var _useForceUpdate = _interopRequireDefault(require("../../_util/hooks/useForceUpdate"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
/** Always debounce error to avoid [error -> null -> error] blink */
function useCacheErrors(errors, changeTrigger, directly) {
var cacheRef = React.useRef({
errors: errors,
visible: !!errors.length
});
var forceUpdate = (0, _useForceUpdate["default"])();
var update = function update() {
var prevVisible = cacheRef.current.visible;
var newVisible = !!errors.length;
var prevErrors = cacheRef.current.errors;
cacheRef.current.errors = errors;
cacheRef.current.visible = newVisible;
if (prevVisible !== newVisible) {
changeTrigger(newVisible);
} else if (prevErrors.length !== errors.length || prevErrors.some(function (prevErr, index) {
return prevErr !== errors[index];
})) {
forceUpdate();
}
};
React.useEffect(function () {
if (!directly) {
var timeout = setTimeout(update, 10);
return function () {
return clearTimeout(timeout);
};
}
}, [errors]);
if (directly) {
update();
}
return [cacheRef.current.visible, cacheRef.current.errors];
}
;