Lite: Fix number field validation appearing when min/max values are empty

classes/helpers/FrmAppHelper.php

@@ -3865,6 +3865,7 @@ public static function load_admin_wide_js( $load = true ) {
 			'nonce'                         => wp_create_nonce( 'frm_ajax' ),
 			'proIncludesSliderJs'           => is_callable( 'FrmProFormsHelper::prepare_custom_currency' ),
 			'inboxSlideIn'                  => FrmInbox::get_inbox_slide_in_value_for_js(),
+			'proIsConnected'              => FrmAppHelper::pro_is_connected(),
 		);
 		wp_localize_script( 'formidable_admin_global', 'frmGlobal', $global_strings );
 

js/src/admin/admin.js

@@ -1,3 +1,10 @@
+/**
+ * Internal dependencies
+ */
+const { validateField } = require( './settings/validateField' );
+const { validateNumberRangeSetting, validateStepSetting } = require( './settings/validateRangeSettings' );
+const utils = require( './settings/utils' );
+
 /* exported frm_add_logic_row, frm_remove_tag, frm_show_div, frmCheckAll, frmCheckAllLevel */
 /* eslint-disable jsdoc/require-param, prefer-const, no-redeclare, @wordpress/no-unused-vars-before-return, jsdoc/check-types, jsdoc/check-tag-names, @wordpress/i18n-translator-comments, @wordpress/valid-sprintf, jsdoc/require-returns-description, jsdoc/require-param-type, no-unused-expressions, compat/compat */
 
@@ -8442,7 +8449,12 @@ window.frmAdminBuildJS = function() {
 	 * @return {void}
 	 */
 	function handleBuilderChangeEvent( event ) {
-		maybeShowSaveAndReloadModal( event.target );
+		const target = event.target;
+		maybeShowSaveAndReloadModal( target );
+		if ( ! frmGlobal.proIsConnected ) {
+			validateNumberRangeSetting( target );
+			validateStepSetting( target );
+		}
 	}
 
 	/**
@@ -11149,6 +11161,11 @@ window.frmAdminBuildJS = function() {
 			}
 		},
 
+		utils,
+		validateField,
+		validateNumberRangeSetting,
+		validateStepSetting,
+
 		applyZebraStriping,
 		initModal,
 		infoModal,

js/src/admin/settings/utils.js

@@ -0,0 +1,29 @@
+/**
+ * Gets the field ID from the single settings element or the closest single settings element to the field.
+ *
+ * @since x.x
+ *
+ * @param {HTMLElement} singleSettings The single settings element.
+ * @param {HTMLElement} field          The field element to get field ID from.
+ *
+ * @return {string|undefined} The field ID or undefined if not found.
+ */
+export const getFieldId = ( singleSettings = null, field = null ) =>
+	singleSettings ? singleSettings.dataset.fid : field?.closest( '.frm-single-settings' )?.dataset.fid;
+
+/**
+ * Gets the field type from the single settings element.
+ *
+ * @since x.x
+ *
+ * @param {HTMLElement} singleSettings The single settings element.
+ * @param {HTMLElement} field          The field element.
+ *
+ * @return {string|undefined} The field type or undefined if not found.
+ */
+export const getFieldType = ( singleSettings = null, field = null ) => {
+	if ( ! singleSettings ) {
+		singleSettings = field?.closest( '.frm-single-settings' );
+	}
+	return singleSettings?.className.match( /frm-type-(\w+)/ )?.[ 1 ];
+};

js/src/admin/settings/validateField.js

@@ -0,0 +1,21 @@
+/**
+ * Runs validation and handles UI feedback.
+ *
+ * @since x.x
+ *
+ * @param {HTMLElement} field    The field element being validated.
+ * @param {Function}    getError Function that returns error message or empty string.
+ *
+ * @return {string} The error message or empty string.
+ */
+export function validateField( field, getError ) {
+	const errorMessage = getError();
+	if ( errorMessage ) {
+		frmAdminBuild.infoModal( errorMessage );
+		field.classList.add( 'frm_invalid_field' );
+	} else {
+		field.classList.remove( 'frm_invalid_field' );
+	}
+
+	return errorMessage;
+}

js/src/admin/settings/validateRangeSettings.js

@@ -0,0 +1,120 @@
+/**
+ * WordPress dependencies
+ */
+import { __ } from '@wordpress/i18n';
+
+/**
+ * Internal dependencies
+ */
+import { validateField } from './validateField';
+import { getFieldId, getFieldType } from './utils';
+
+/**
+ * Gets the default values for range settings validation.
+ *
+ * @since x.x
+ *
+ * @param {HTMLElement} singleSettings The single settings element.
+ *
+ * @return {Object} The defaults object with maxNum, minNum, and step.
+ */
+function getRangeSettingsDefaults( singleSettings ) {
+	const fieldType = getFieldType( singleSettings ) || 'number';
+	const defaultSettings = {
+		maxNum: 9999999,
+		minNum: 0,
+		step: 1
+	};
+
+	/**
+	 * Filters the default values for range settings validation.
+	 *
+	 * @since x.x
+	 *
+	 * @param {Object}      defaultSettings        The default settings.
+	 * @param {Object}      context                Additional context.
+	 * @param {HTMLElement} context.singleSettings The single settings element.
+	 * @param {string}      context.fieldType      The field type.
+	 *
+	 * @return {Object} The filtered default settings.
+	 */
+	return wp.hooks.applyFilters( 'frm_range_settings_defaults', defaultSettings, { singleSettings, fieldType } );
+}
+
+/**
+ * Validates number range setting.
+ *
+ * @since x.x
+ *
+ * @param {HTMLElement} field The field element being validated.
+ */
+export function validateNumberRangeSetting( field ) {
+	if ( ! field.closest( '.frm-number-range' ) ) {
+		return;
+	}
+
+	const singleSettings = field.closest( '.frm-single-settings' );
+	const fieldId = getFieldId( singleSettings );
+	if ( ! fieldId ) {
+		return;
+	}
+
+	const minValueInput = document.querySelector( `[name="field_options[minnum_${ fieldId }]"]` );
+	if ( ! minValueInput ) {
+		return;
+	}
+
+	const maxValueInput = document.querySelector( `[name="field_options[maxnum_${ fieldId }]"]` );
+	if ( ! maxValueInput ) {
+		return;
+	}
+
+	return validateField( field, () => {
+		const { minNum, maxNum } = getRangeSettingsDefaults( singleSettings );
+
+		return parseFloat( minValueInput.value || minNum ) >= parseFloat( maxValueInput.value || maxNum )
+			? __( 'Minimum value cannot be greater than or equal to maximum value.', 'formidable' )
+			: '';
+	} );
+}
+
+/**
+ * Validates step setting.
+ *
+ * @since x.x
+ *
+ * @param {HTMLElement} field The field element being validated.
+ */
+export function validateStepSetting( field ) {
+	if ( ! field.closest( '.frm-step' ) ) {
+		return;
+	}
+
+	const singleSettings = field.closest( '.frm-single-settings' );
+	const fieldId = getFieldId( singleSettings );
+	if ( ! fieldId ) {
+		return;
+	}
+
+	const stepInput = document.querySelector( `[name="field_options[step_${ fieldId }]"]` );
+	if ( ! stepInput ) {
+		return;
+	}
+
+	return validateField( field, () => {
+		const { step, maxNum } = getRangeSettingsDefaults( singleSettings );
+		const stepInputValue = parseFloat( stepInput.value || step );
+		if ( stepInputValue <= 0 ) {
+			return __( 'Step value must be greater than 0.', 'formidable' );
+		}
+
+		const maxValueInput = document.querySelector( `[name="field_options[maxnum_${ fieldId }]"]` );
+		if ( ! maxValueInput ) {
+			return '';
+		}
+
+		return stepInputValue > parseFloat( maxValueInput.value || maxNum )
+			? __( 'Step value must be less than maximum value.', 'formidable' )
+			: '';
+	} );
+}