clash-verge/src/components/guard-state.tsx
2021-12-20 00:01:32 +08:00

59 lines
1.3 KiB
TypeScript

import { cloneElement, isValidElement, ReactNode, useRef } from "react";
import noop from "../utils/noop";
interface Props<Value> {
value?: Value;
valueProps?: string;
onChangeProps?: string;
onChange?: (value: Value) => void;
onFormat?: (...args: any[]) => Value;
onGuard?: (value: Value) => Promise<void>;
onCatch?: (error: Error) => void;
children: ReactNode;
}
function GuardState<T>(props: Props<T>) {
const {
value,
children,
valueProps = "value",
onChangeProps = "onChange",
onGuard = noop,
onCatch = noop,
onChange = noop,
onFormat = (v: T) => v,
} = props;
const lockRef = useRef(false);
if (isValidElement(children)) {
const childProps = { ...children.props };
childProps[valueProps] = value;
childProps[onChangeProps] = async (...args: any[]) => {
// 多次操作无效
if (lockRef.current) return;
lockRef.current = true;
const oldValue = value;
try {
const newValue = (onFormat as any)(...args);
// 先在ui上响应操作
onChange(newValue);
await onGuard(newValue);
} catch (err: any) {
// 状态回退
onChange(oldValue!);
onCatch(err);
}
lockRef.current = false;
};
return cloneElement(children, childProps);
}
return children as any;
}
export default GuardState;