This commit is contained in:
cupcakearmy 2019-10-19 08:36:50 +02:00
parent d7a3d73512
commit 544dada3c4
4 changed files with 129 additions and 128 deletions

5
.prettierrc Normal file
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@ -0,0 +1,5 @@
semi: false
singleQuote: true
trailingComma: es5
tabWidth: 2
printWidth: 200

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@ -1,21 +1,19 @@
import React, { useState, useEffect } from 'react' import React, { useState, useEffect } from 'react'
export type useFormExtractor = (from: any) => any export type useFormExtractor = (from: any) => any
export type useFormOptions = { export type useFormOptions = {
extractor?: useFormExtractor, extractor?: useFormExtractor
getter?: string, getter?: string
setter?: string, setter?: string
} }
export type useFormValidatorFunction = ((s: any) => boolean | Promise<boolean>) export type useFormValidatorFunction = (s: any) => boolean | Promise<boolean>
export type useFormValidatorMethod = useFormValidatorFunction | RegExp export type useFormValidatorMethod = useFormValidatorFunction | RegExp
export type useFormValidatorObject = { export type useFormValidatorObject = {
validator: useFormValidatorMethod, validator: useFormValidatorMethod
message?: string, message?: string
} }
export type useFormValidator = useFormValidatorMethod | useFormValidatorObject export type useFormValidator = useFormValidatorMethod | useFormValidatorObject
@ -35,7 +33,7 @@ export const useForm = <T, U extends { [key in keyof T]: useFormValidatorParamet
const [form, setForm] = useState<T>(init) const [form, setForm] = useState<T>(init)
const [errors, setErrors] = useState<Partial<E>>({}) const [errors, setErrors] = useState<Partial<E>>({})
const [isValid, setIsValid] = useState(true); const [isValid, setIsValid] = useState(true)
useEffect(() => { useEffect(() => {
setIsValid(!Object.values(errors).reduce((acc, cur) => acc || cur !== undefined, false)) setIsValid(!Object.values(errors).reduce((acc, cur) => acc || cur !== undefined, false))
@ -51,12 +49,9 @@ export const useForm = <T, U extends { [key in keyof T]: useFormValidatorParamet
const _validateAll = async (value: any, object: useFormValidator): Promise<boolean> => { const _validateAll = async (value: any, object: useFormValidator): Promise<boolean> => {
const validator = isFormValidatorObject(object) ? object.validator : object const validator = isFormValidatorObject(object) ? object.validator : object
if (validator.constructor.name === 'Function') if (validator.constructor.name === 'Function') return (validator as useFormValidatorFunction)(value)
return (validator as useFormValidatorFunction)(value) else if (validator.constructor.name === 'AsyncFunction') return await (validator as useFormValidatorFunction)(value)
else if (validator.constructor.name === 'AsyncFunction') else if (validator.constructor.name === 'RegExp') return (validator as RegExp).test(value)
return await (validator as useFormValidatorFunction)(value)
else if (validator.constructor.name === 'RegExp')
return (validator as RegExp).test(value)
else return false else return false
} }
@ -65,28 +60,23 @@ export const useForm = <T, U extends { [key in keyof T]: useFormValidatorParamet
if (!validator) return if (!validator) return
if (Array.isArray(validator)) { if (Array.isArray(validator)) {
Promise.all(validator.map(v => _validateAll(value, v))) Promise.all(validator.map(v => _validateAll(value, v))).then(result => {
.then(result => {
const index = result.indexOf(false) const index = result.indexOf(false)
setErrors({ setErrors({
...errors, ...errors,
[key]: index === -1 [key]:
index === -1
? undefined ? undefined
: isFormValidatorObject(validator[index]) && (validator[index] as useFormValidatorObject).message : isFormValidatorObject(validator[index]) && (validator[index] as useFormValidatorObject).message
? (validator[index] as useFormValidatorObject).message ? (validator[index] as useFormValidatorObject).message
: defaultErrorMessage(key) : defaultErrorMessage(key),
}) })
}) })
} else { } else {
_validateAll(value, validator) _validateAll(value, validator).then(valid => {
.then(valid => {
setErrors({ setErrors({
...errors, ...errors,
[key]: valid [key]: valid ? undefined : isFormValidatorObject(validator) && validator.message ? validator.message : defaultErrorMessage(key),
? undefined
: isFormValidatorObject(validator) && validator.message
? validator.message
: defaultErrorMessage(key)
}) })
}) })
} }

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@ -1,15 +1,13 @@
<html lang="en"> <html lang="en">
<head> <head>
<meta charset="UTF-8"> <meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge"> <meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Form Hero</title> <title>Form Hero</title>
<link rel="stylesheet" type="text/css" <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.7.5/css/bulma.min.css" />
href="https://cdnjs.cloudflare.com/ajax/libs/bulma/0.7.5/css/bulma.min.css" />
<style> <style>
body { body {
padding: 1em padding: 1em;
} }
</style> </style>
</head> </head>
@ -18,5 +16,4 @@
<div id="root"></div> <div id="root"></div>
<script src="./test.tsx"></script> <script src="./test.tsx"></script>
</body> </body>
</html> </html>

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@ -3,32 +3,33 @@ import ReactDOM from 'react-dom'
import { useForm } from '../' import { useForm } from '../'
const TextError: React.FC<{ error?: string }> = ({ error }) => (!error ? null : <div className="has-text-danger">{error}</div>)
const TextError: React.FC<{ error?: string }> = ({ error }) => !error
? null
: <div className="has-text-danger">{error}</div>
const Index: React.FC = () => { const Index: React.FC = () => {
const { auto, form, errors, isValid } = useForm(
const { auto, form, errors, isValid } = useForm({ {
username: '', username: '',
password: '', password: '',
type: 'formhero', type: 'formhero',
awesome: true, awesome: true,
}, { },
{
username: [ username: [
/^test/, /^test/,
{ {
validator: async () => { return true }, validator: async () => {
return true
},
message: 'Digits please', message: 'Digits please',
} },
], ],
password: { password: {
validator: /^.{3,}$/, validator: /^.{3,}$/,
message: 'To short', message: 'To short',
}, },
awesome: (value) => !!value awesome: value => !!value,
}) }
)
const _submit = (e: React.FormEvent) => { const _submit = (e: React.FormEvent) => {
e.preventDefault() e.preventDefault()
@ -41,12 +42,14 @@ const Index: React.FC = () => {
<div>Username</div> <div>Username</div>
<input className="input" {...auto('username')} /> <input className="input" {...auto('username')} />
<TextError error={errors.username} /> <TextError error={errors.username} />
<br /><br /> <br />
<br />
<div>Password</div> <div>Password</div>
<input className="input" {...auto('password')} /> <input className="input" {...auto('password')} />
<TextError error={errors.password} /> <TextError error={errors.password} />
<br /><br /> <br />
<br />
<div>Which one to choose?</div> <div>Which one to choose?</div>
<div className="select"> <div className="select">
@ -57,21 +60,27 @@ const Index: React.FC = () => {
<option value="formhero">FormHero</option> <option value="formhero">FormHero</option>
</select> </select>
</div> </div>
<br /><br /> <br />
<br />
<label className="checkbox"> <label className="checkbox">
<input type="checkbox" {...auto('awesome', { <input
type="checkbox"
{...auto('awesome', {
setter: 'checked', setter: 'checked',
getter: 'onChange', getter: 'onChange',
extractor: (e) => e.target.checked extractor: e => e.target.checked,
})} /> })}
/>
Is it awesome? Is it awesome?
</label> </label>
<TextError error={errors.awesome} /> <TextError error={errors.awesome} />
<br /><br /> <br />
<br />
<button className="button" type="submit">Go 🚀</button> <button className="button" type="submit">
Go 🚀
</button>
</form> </form>
</div> </div>
) )