我正在使用自定义钩子来验证某种形式。
我每时每刻都在使用另一个钩子来控制系统状态。
问题是验证后,状态更新速度不够快。
我正在添加一个基本场景来举例说明我的问题。
MainComponent.tsx(表单)
import * as React from "react";
const MainComponent = () => {
const [state1, setState1] = React.useState({});
const [state2, setState2] = React.useState({});
const {validateAll, errors} = userValidator(state1, state2)
const {status} = useStatus(errors)
const handleClick = () => {
validateAll()
console.log(status) // after validating, status is still not ok
if (status === "ok") {
runWhatEver()
} else {
console.log("getting in here :(")
runAnotherThing()
}
console.log(status) // here its "ok" already
}
return (
<div onClick={handleClick}>
....
</div>
);
}
useValidator.tsx
import * as React from "react";
import {validateState1, validateState2} from "validator.ts"
const userValidator = (state1, state2) => {
const [state1Errors, setState1Errors] = useState<any>({});
const [state2Errors, setState2Errors] = useState<any>({});
const validateState1UsingValidator = (newValue) => {
setState1Errors({
state1: validateState1(state1)
})
}
const validateState2UsingValidator = (newValue) => {
setState2Errors({
state1: validateState2(state2)
})
}
const validateAll = () => {
validateState1();
validateState2();
}
return {validateAll, errors: {state1Errors, state2Errors}}
}
验证器.ts
export const validateState1 = (newValue) => {
if (newValue.length <= 3) {
return "valuelength must be greater than 3";
}
}
export const validateState2 = (newValue) => {
if (newValue.length <= 3) {
return "valuelength must be greater than 3";
}
}
useStatus.tsx
import * as React from "react";
const useStatus = (errors) => {
const [status, setStatus] = useState("not ok");
useEffect(() => {
if (hasNoErrors()) {
setStatus("ok")
} else {
setStatus("not ok")
}
}, [errors])
return {status}
}
非常感谢!