@modular-forms/solid/dist/source/utils/initializeFieldStore.js

The modular and type-safe form library for SolidJS

import { createSignal } from '../primitives';
import { getFieldStore } from './getFieldStore';
import { getPathValue } from './getPathValue';
export function initializeFieldStore(form, name) {
    // Initialize store on first request
    if (!getFieldStore(form, name)) {
        // Get initial value of field
        const initial = getPathValue(name, form.internal.initialValues);
        // Create signals of field store
        const elements = createSignal([]);
        const initialValue = createSignal(initial);
        const startValue = createSignal(initial);
        const value = createSignal(initial);
        const error = createSignal('');
        const active = createSignal(false);
        const touched = createSignal(false);
        const dirty = createSignal(false);
        // Add store of field to form
        // @ts-expect-error
        form.internal.fields[name] = {
            // Signals
            elements,
            initialValue,
            startValue,
            value,
            error,
            active,
            touched,
            dirty,
            // Other
            validate: [],
            validateOn: undefined,
            revalidateOn: undefined,
            transform: [],
            consumers: new Set(),
        };
        // Add name of field to form
        form.internal.fieldNames.set((names) => [...names, name]);
    }
    // Return store of field
    return getFieldStore(form, name);
}