@furystack/shades-common-components/esm/components/form.js

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { Injectable } from '@furystack/inject';
import { Shade, attachProps, createComponent } from '@furystack/shades';
import { ObservableValue } from '@furystack/utils';
let FormService = class FormService {
    validatedFormData = new ObservableValue(null);
    rawFormData = new ObservableValue(null);
    validationResult = new ObservableValue({ isValid: null });
    fieldErrors = new ObservableValue({});
    inputs = new Set();
    setFieldState = (key, validationResult, validity) => {
        this.fieldErrors.setValue({ ...this.fieldErrors.getValue(), [key]: { validationResult, validity } });
    };
    [Symbol.dispose]() {
        this.validatedFormData[Symbol.dispose]();
        this.rawFormData[Symbol.dispose]();
        this.validationResult[Symbol.dispose]();
    }
};
FormService = __decorate([
    Injectable({ lifetime: 'scoped' })
], FormService);
export { FormService };
export const Form = Shade({
    shadowDomName: 'shade-form',
    elementBase: HTMLFormElement,
    elementBaseName: 'form',
    render: ({ props, children, useDisposable, element, injector }) => {
        const formInjector = useDisposable('formInjector', () => injector.createChild({ owner: element }));
        element.injector = formInjector;
        const formService = new FormService();
        formInjector.setExplicitInstance(formService);
        const changeHandler = (ev, shouldSubmit) => {
            formService.inputs.forEach((i) => {
                const e = document.createEvent('FocusEvent');
                e.initEvent('blur', true, true);
                i.dispatchEvent(e);
            });
            const formData = Object.fromEntries(new FormData(ev.currentTarget).entries());
            formService.rawFormData.setValue(formData);
            const currentFieldErrors = formService.fieldErrors.getValue();
            if (Object.values(currentFieldErrors).some((v) => v?.validationResult.isValid === false) ||
                [...formService.inputs].some((input) => !input.validity.valid)) {
                formService.validationResult.setValue({ isValid: false, reason: 'input-validation-failed' });
            }
            else if (props.validate(formData)) {
                formService.validationResult.setValue({ isValid: true });
                formService.validatedFormData.setValue(formData);
                if (shouldSubmit) {
                    props.onSubmit(formData);
                }
            }
            else {
                formService.validationResult.setValue({ isValid: false, reason: 'validation-failed' });
            }
        };
        attachProps(element, {
            injector: formInjector,
            ...props,
            oninvalid: (ev) => {
                changeHandler(ev);
            },
            onsubmit: (ev) => {
                ev.preventDefault();
                changeHandler(ev, true);
            },
            onchange: (ev) => {
                changeHandler(ev);
            },
            onreset: () => {
                formService.rawFormData.setValue(null);
                formService.validationResult.setValue({ isValid: null });
                formService.validatedFormData.setValue(null);
            },
        });
        return createComponent(createComponent, null, children);
    },
});
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