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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| /** @jsxImportSource solid-js */ | ||
|
|
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| // Generated by simple:form | ||
|
|
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| import { | ||
| createSignal, | ||
| createContext, | ||
| useContext, | ||
| type ComponentProps, | ||
| Show, | ||
| For, | ||
| } from "solid-js"; | ||
| import { | ||
| type FieldErrors, | ||
| type FormState, | ||
| type FormValidator, | ||
| getInitialFormState, | ||
| toSetValidationErrors, | ||
| toTrackAstroSubmitStatus, | ||
| toValidateField, | ||
| validateForm, | ||
| formNameInputProps, | ||
| } from "simple:form"; | ||
|
|
||
| export function useCreateFormContext( | ||
| validator: FormValidator, | ||
| fieldErrors?: FieldErrors, | ||
| ) { | ||
| const initial = getInitialFormState({ validator, fieldErrors }); | ||
| const [formState, setFormState] = createSignal<FormState>(initial); | ||
| return { | ||
| value: formState, | ||
| set: setFormState, | ||
| setValidationErrors: toSetValidationErrors(setFormState), | ||
| validateField: toValidateField(setFormState), | ||
| trackAstroSubmitStatus: toTrackAstroSubmitStatus(setFormState), | ||
| }; | ||
| } | ||
|
|
||
| export function useFormContext() { | ||
| const formContext = useContext(FormContext); | ||
| if (!formContext) { | ||
| throw new Error( | ||
| "Form context not found. `useFormContext()` should only be called from children of a <Form> component.", | ||
| ); | ||
| } | ||
| return formContext; | ||
| } | ||
|
|
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| type FormContextType = ReturnType<typeof useCreateFormContext>; | ||
|
|
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| const FormContext = createContext<FormContextType | undefined>(undefined); | ||
|
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| export function Form( | ||
| props: { | ||
| validator: FormValidator; | ||
| context?: FormContextType; | ||
| fieldErrors?: FieldErrors; | ||
| } & Omit<ComponentProps<"form">, "method" | "onSubmit">, | ||
| ) { | ||
| const formContext = | ||
| props.context ?? useCreateFormContext(props.validator, props.fieldErrors); | ||
|
|
||
| return ( | ||
| <FormContext.Provider value={formContext}> | ||
| <form | ||
| {...props} | ||
| method="post" | ||
| onSubmit={async (e) => { | ||
| const formData = new FormData(e.currentTarget); | ||
| formContext.set((formState) => ({ | ||
| ...formState, | ||
| isSubmitPending: true, | ||
| submitStatus: "validating", | ||
| })); | ||
| const parsed = await validateForm({ | ||
| formData, | ||
| validator: props.validator, | ||
| }); | ||
| if (parsed.data) { | ||
| return formContext.trackAstroSubmitStatus(); | ||
| } | ||
|
|
||
| e.preventDefault(); | ||
| e.stopPropagation(); | ||
| formContext.setValidationErrors(parsed.fieldErrors); | ||
| }} | ||
| > | ||
| <Show when={props.name}> | ||
| {(name) => <input {...formNameInputProps} value={name()} />} | ||
| </Show> | ||
| {props.children} | ||
| </form> | ||
| </FormContext.Provider> | ||
| ); | ||
| } | ||
|
|
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| export function Input(inputProps: ComponentProps<"input"> & { name: string }) { | ||
| const formContext = useFormContext(); | ||
| const fieldState = () => formContext.value().fields[inputProps.name]; | ||
| if (!fieldState()) { | ||
| throw new Error( | ||
| `Input "${inputProps.name}" not found in form. Did you use the <Form> component?`, | ||
| ); | ||
| } | ||
|
|
||
| return ( | ||
| <Show when={fieldState()}> | ||
| {(state) => ( | ||
| <> | ||
| <input | ||
| onBlur={(e) => { | ||
| const value = e.target.value; | ||
| if (value === "") return; | ||
| formContext.validateField( | ||
| inputProps.name, | ||
| value, | ||
| state().validator, | ||
| ); | ||
| }} | ||
| onInput={(e) => { | ||
| if (!state().hasErroredOnce) return; | ||
| const value = e.target.value; | ||
| formContext.validateField( | ||
| inputProps.name, | ||
| value, | ||
| state().validator, | ||
| ); | ||
| }} | ||
| {...inputProps} | ||
| /> | ||
| <For each={state().validationErrors}> | ||
| {(e) => <p class="text-red-400">{e}</p>} | ||
| </For> | ||
| </> | ||
| )} | ||
| </Show> | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /** @jsxImportSource solid-js */ | ||
| import { type JSX, Show } from "solid-js"; | ||
| import { z } from "zod"; | ||
| import { Form, Input, useFormContext } from "./Form"; | ||
| import { type FieldErrors, createForm } from "simple:form"; | ||
|
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| const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms)); | ||
|
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| export const signup = createForm({ | ||
| username: z | ||
| .string() | ||
| .min(2) | ||
| .refine(async (s) => { | ||
| await sleep(400); | ||
| return s !== "admin"; | ||
| }), | ||
| optIn: z.boolean().optional(), | ||
| }); | ||
|
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| export default function Signup(props: { | ||
| serverErrors?: FieldErrors<typeof signup>; | ||
| }) { | ||
| return ( | ||
| <Form | ||
| class="flex flex-col gap-2 items-start" | ||
| fieldErrors={props.serverErrors} | ||
| validator={signup.validator} | ||
| name="signupSolid" | ||
| > | ||
| <FormGroup> | ||
| <label for="name">Name</label> | ||
| <Input id="name" {...signup.inputProps.username} /> | ||
| </FormGroup> | ||
| <FormGroup> | ||
| <label for="optIn">Opt in</label> | ||
| <Input id="optIn" {...signup.inputProps.optIn} /> | ||
| </FormGroup> | ||
| <button | ||
| type="submit" | ||
| class="bg-purple-700 rounded px-5 py-2 disabled:bg-purple-900" | ||
| > | ||
| Submit | ||
| </button> | ||
| <Loading /> | ||
| </Form> | ||
| ); | ||
| } | ||
|
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| function FormGroup(props: { children: JSX.Element }) { | ||
| return <div class="flex gap-3 items-center">{props.children}</div>; | ||
| } | ||
|
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| function Loading() { | ||
| const formContext = useFormContext(); | ||
| return ( | ||
| <Show when={formContext.value().isSubmitPending}> | ||
| <p>{formContext.value().submitStatus}</p> | ||
| </Show> | ||
| ); | ||
| } |
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