ui-ingredients/dist/field/create-field.svelte.js

Headless component library for Svelte powered by zag

import { ariaAttr, dataAttr, getDocument, getWindow } from '@zag-js/dom-query';
import { reflect } from '@zag-js/svelte';
import { createUniqueId } from '../create-unique-id.js';
import { getEnvironmentContext } from '../environment-provider/enviroment-provider-context.svelte.js';
import { parts } from './field-anatomy.js';
export function createField(props) {
    const environment = getEnvironmentContext();
    const id_ = createUniqueId();
    const { 
    /**/
    ids, invalid, disabled, required, readOnly, } = $derived.by(() => {
        const id = props.id ?? id_;
        const ids = {
            root: props.ids?.root ?? `field:${id}`,
            label: props.ids?.label ?? `field:${id}:label`,
            control: props.ids?.control ?? `field:${id}:control`,
            errorText: props.ids?.errorText ?? `field:${id}:error-text`,
            helperText: props.ids?.helperText ?? `field:${id}:helper-text`,
        };
        return {
            ids,
            invalid: props.invalid ?? false,
            required: props.required ?? false,
            disabled: props.disabled ?? false,
            readOnly: props.readOnly ?? false,
        };
    });
    let hasErrorText = $state(false);
    let hasHelperText = $state(false);
    const ariaDescribedby = $derived.by(() => {
        const l = [];
        if (hasErrorText) {
            l.push(ids.errorText);
        }
        if (hasHelperText) {
            l.push(ids.helperText);
        }
        return l.join(' ');
    });
    function getRootProps() {
        return {
            ...parts.root.attrs,
            id: ids.root,
            role: 'group',
            'data-invalid': dataAttr(invalid),
            'data-disabled': dataAttr(disabled),
            'data-required': dataAttr(required),
            'data-readonly': dataAttr(readOnly),
        };
    }
    function getLabelProps() {
        return {
            ...parts.label.attrs,
            id: ids.label,
            for: ids.control,
            'data-invalid': dataAttr(invalid),
            'data-disabled': dataAttr(disabled),
            'data-required': dataAttr(required),
            'data-readonly': dataAttr(readOnly),
        };
    }
    function getRequiredIndicatorProps() {
        return {
            ...parts.requiredIndicator.attrs,
            hidden: !required,
            'aria-hidden': true,
            'data-invalid': dataAttr(invalid),
            'data-disabled': dataAttr(disabled),
            'data-readonly': dataAttr(readOnly),
        };
    }
    function getErrorTextProps() {
        return {
            ...parts.errorText.attrs,
            id: ids.errorText,
            hidden: !hasErrorText,
            'aria-live': 'polite',
            'data-invalid': dataAttr(invalid),
            'data-disabled': dataAttr(disabled),
            'data-required': dataAttr(required),
            'data-readonly': dataAttr(readOnly),
        };
    }
    function getHelperTextProps() {
        return {
            ...parts.helperText.attrs,
            id: ids.helperText,
            'data-invalid': dataAttr(invalid),
            'data-disabled': dataAttr(disabled),
            'data-required': dataAttr(required),
            'data-readonly': dataAttr(readOnly),
        };
    }
    function getControlProps() {
        return {
            id: ids.control,
            disabled,
            required,
            'aria-describedby': ariaDescribedby,
            'aria-invalid': ariaAttr(invalid),
            'aria-disabled': ariaAttr(disabled),
            'aria-required': ariaAttr(required),
            'aria-readonly': ariaAttr(readOnly),
            'data-invalid': dataAttr(invalid),
            'data-disabled': dataAttr(disabled),
            'data-required': dataAttr(required),
            'data-readonly': dataAttr(readOnly),
        };
    }
    function getInputProps() {
        return {
            readonly: readOnly,
            ...getControlProps(),
            ...parts.input.attrs,
        };
    }
    function getTextareaProps() {
        return {
            readonly: readOnly,
            ...getControlProps(),
            ...parts.textarea.attrs,
        };
    }
    function getSelectProps() {
        return {
            ...getControlProps(),
            ...parts.select.attrs,
        };
    }
    $effect(() => {
        const rootNode = environment?.getRootNode() ?? document;
        const doc = getDocument(rootNode);
        const win = getWindow(rootNode);
        function handler() {
            hasErrorText = invalid && doc.getElementById(ids.errorText) !== null;
            hasHelperText = doc.getElementById(ids.helperText) !== null;
        }
        handler();
        const observer = new win.MutationObserver(handler);
        observer.observe(rootNode, { childList: true, subtree: true });
        return () => observer.disconnect();
    });
    return reflect(() => ({
        ids,
        disabled,
        required,
        readOnly,
        invalid,
        'aria-describedby': ariaDescribedby,
        getRootProps,
        getLabelProps,
        getErrorTextProps,
        getHelperTextProps,
        getInputProps,
        getSelectProps,
        getTextareaProps,
        getRequiredIndicatorProps,
    }));
}