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/* global wpforms_builder, WPFormsUtils */

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/**

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* @param window.DOMPurify

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* @param wpforms_builder.currency_decimal

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* @param wpforms_builder.currency_decimals

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* @param wpforms_builder.currency_symbol

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* @param wpforms_builder.currency_symbol_pos

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* @param wpforms_builder.currency_thousands

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const wpf = {

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cachedFields: {},

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savedState: false,

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initialSave: true,

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orders: {

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fields: [],

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choices: {},

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// This file contains a collection of utility functions.

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/**

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* Start the engine.

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* @since 1.0.1

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init() {

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wpf.bindUIActions();

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// Init Radio Group for Checkboxes.

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wpf.initRadioGroupForCheckboxes();

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jQuery( wpf.ready );

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/**

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* Document ready.

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* @since 1.0.1

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ready() {

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// Load initial form saved state.

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wpf.savedState = wpf.getFormState( '#wpforms-builder-form' );

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// Save field and choice order for sorting later.

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wpf.setFieldOrders();

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wpf.setChoicesOrders();

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/**

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* Element bindings.

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* @since 1.0.1

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bindUIActions() {

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// The following items should all trigger the fieldUpdate trigger.

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jQuery( document ).on( 'wpformsFieldAdd', wpf.setFieldOrders );

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jQuery( document ).on( 'wpformsFieldDelete', wpf.setFieldOrders );

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jQuery( document ).on( 'wpformsFieldMove', wpf.setFieldOrders );

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jQuery( document ).on( 'wpformsFieldAdd', wpf.setChoicesOrders );

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jQuery( document ).on( 'wpformsFieldChoiceAdd', wpf.setChoicesOrders );

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jQuery( document ).on( 'wpformsFieldChoiceDelete', wpf.setChoicesOrders );

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jQuery( document ).on( 'wpformsFieldChoiceMove', wpf.setChoicesOrders );

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jQuery( document ).on( 'wpformsFieldAdd', wpf.fieldUpdate );

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jQuery( document ).on( 'wpformsFieldDelete', wpf.fieldUpdate );

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jQuery( document ).on( 'wpformsFieldMove', wpf.fieldUpdate );

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jQuery( document ).on( 'focusout', '.wpforms-field-option-row-label input', wpf.fieldUpdate );

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jQuery( document ).on( 'wpformsFieldChoiceAdd', wpf.fieldUpdate );

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jQuery( document ).on( 'wpformsFieldChoiceDelete', wpf.fieldUpdate );

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jQuery( document ).on( 'wpformsFieldChoiceMove', wpf.fieldUpdate );

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jQuery( document ).on( 'wpformsFieldDynamicChoiceToggle', wpf.fieldUpdate );

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jQuery( document ).on( 'focusout', '.wpforms-field-option-row-choices input.label', wpf.fieldUpdate );

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/**

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* Store the order of the fields.

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* @since 1.4.5

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setFieldOrders() {

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wpf.orders.fields = [];

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jQuery( '.wpforms-field-option' ).each( function() {

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wpf.orders.fields.push( jQuery( this ).data( 'field-id' ) );

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} );

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/**

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* Store the order of the choices for each field.

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* @since 1.4.5

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setChoicesOrders() {

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wpf.orders.choices = {};

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jQuery( '.choices-list' ).each( function() {

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const fieldID = jQuery( this ).data( 'field-id' );

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wpf.orders.choices[ 'field_' + fieldID ] = [];

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jQuery( this ).find( 'li' ).each( function() {

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wpf.orders.choices[ 'field_' + fieldID ].push( jQuery( this ).data( 'key' ) );

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} );

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} );

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/**

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* Return the order of choices for a specific field.

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* @since 1.4.5

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* @param {number|string} id Field ID.

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* @return {Array} Choices.

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getChoicesOrder( id ) {

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const choices = [];

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jQuery( '#wpforms-field-option-' + id ).find( '.choices-list li' ).each( function() {

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choices.push( jQuery( this ).data( 'key' ) );

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} );

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return choices;

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/**

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* Maintain multiselect dropdown with search.

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* If a multiple select has selected choices - hide a placeholder text.

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* In case if select is empty - we return placeholder text.

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* @since 1.7.6

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* @param {Object} self Current object.

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initMultipleSelectWithSearch( self ) {

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const $element = jQuery( self.passedElement.element ),

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$input = jQuery( self.input.element );

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if ( $element.prop( 'multiple' ) ) {

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// On init event.

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$input.data( 'placeholder', $input.attr( 'placeholder' ) );

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// We need to save the style attribute to restore it later and make placeholder visible.

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$input.data( 'style', $input.attr( 'style' ) );

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if ( self.getValue( true ).length ) {

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$input.removeAttr( 'placeholder' );

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}

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// On change event.

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$element.on( 'change', function() {

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// eslint-disable-next-line no-unused-expressions

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self.getValue( true ).length

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? $input.removeAttr( 'placeholder' )

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: $input.attr( 'placeholder', $input.data( 'placeholder' ) ).attr( 'style', $input.data( 'style' ) );

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} );

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}

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/**

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* Display/hide show more icon inside multiselect dropdown.

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* @since 1.8.9

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* @param {string} container Container element.

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showMoreButtonForChoices( container ) {

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const first = jQuery( container ).find( '.choices__list--multiple .choices__item' ).first(),

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last = jQuery( container ).find( '.choices__list--multiple .choices__item' ).last();

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jQuery( container ).removeClass( 'choices__show-more' );

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if ( first.length > 0 && last.length > 0 && first.position().top !== last.position().top ) {

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jQuery( container ).addClass( 'choices__show-more' );

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}

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/**

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* Trigger fired for all field update related actions.

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* @since 1.0.1

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fieldUpdate() {

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const fields = wpf.getFields();

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jQuery( document ).trigger( 'wpformsFieldUpdate', [ fields ] );

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wpf.debug( 'fieldUpdate triggered' );

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/**

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* Dynamically get the fields from the current form state.

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* @since 1.0.1

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* @since 1.8.9 Added `allowedFields` parameter.

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* @param {Array|boolean|undefined} allowedFields Allowed fields.

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* @param {boolean|undefined} useCache Use cache.

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* @param {boolean|undefined} isAllowedRepeaterFields Is repeater fields allowed?

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* @return {Object} Fields.

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getFields( allowedFields, useCache, isAllowedRepeaterFields ) { // eslint-disable-line complexity

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useCache = useCache || false;

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let fields;

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if ( useCache && ! jQuery.isEmptyObject( wpf.cachedFields ) ) {

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// Use cache if told and cache is primed.

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fields = jQuery.extend( {}, wpf.cachedFields );

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wpf.debug( 'getFields triggered (cached)' );

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} else {

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// Normal processing, get fields from builder and prime cache.

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const formData = wpf.formObject( '#wpforms-field-options' );

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fields = formData.fields;

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const fieldBlockList = [

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'captcha',

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'content',

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'divider',

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'entry-preview',

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'html',

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'internal-information',

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'layout',

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'pagebreak',

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];

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if ( ! fields ) {

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return false;

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}

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for ( const key in fields ) {

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if ( ! fields[ key ].type || jQuery.inArray( fields[ key ].type, fieldBlockList ) > -1 ) {

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delete fields[ key ];

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}

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if ( fields[ key ]?.type === 'repeater' ) {

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Object.values( fields[ key ][ 'columns-json' ] ?? {} ).forEach( ( column ) => {

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Object.values( column?.fields ?? [] ).forEach( ( field ) => {

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if ( ! fields[ field ] ) {

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return;

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}

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// Update field label for a repeater child fields.

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fields[ field ].label += ' (' + fields[ key ].label + ')';

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fields[ field ].isRepeater = true;

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} );

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} );

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delete fields[ key ];

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}

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}

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// Cache the all the fields now that they have been ordered and initially processed.

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wpf.cachedFields = jQuery.extend( {}, fields );

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wpf.debug( 'getFields triggered' );

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}

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if ( ! isAllowedRepeaterFields ) {

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for ( const key in fields ) {

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if ( fields[ key ]?.isRepeater ) {

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delete fields[ key ];

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}

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}

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}

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// If we should only return specific field types, remove the others.

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if ( allowedFields && allowedFields.constructor === Array ) {

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for ( const key in fields ) {

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if ( jQuery.inArray( fields[ key ].type, allowedFields ) === -1 ) {

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delete fields[ key ];

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}

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}

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}

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if ( Object.keys( fields ).length === 0 ) {

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return false;

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}

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return fields;

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/**

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* Get a field settings object.

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* @since 1.4.5

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* @param {number|string} id Field ID.

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* @return {Object} Field settings.

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getField( id ) {

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const field = wpf.formObject( '#wpforms-field-option-' + id );

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return field.fields[ Object.keys( field.fields )[ 0 ] ];

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/**

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* Toggle the loading state/indicator of a field option.

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* @since 1.2.8

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* @param {string|Element} option jQuery object, or DOM element selector.

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* @param {boolean} unload True if you need to unload spinner, and vice versa.

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fieldOptionLoading( option, unload ) {

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const $option = jQuery( option ),

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$label = $option.find( 'label' ),

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spinner = '<i class="wpforms-loading-spinner wpforms-loading-inline"></i>';

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unload = typeof unload !== 'undefined';

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if ( unload ) {

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$label.find( '.wpforms-loading-spinner' ).remove();

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$label.find( '.wpforms-help-tooltip' ).show();

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$option.find( 'input,select,textarea' ).prop( 'disabled', false );

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} else {

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$label.append( spinner );

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$label.find( '.wpforms-help-tooltip' ).hide();

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$option.find( 'input,select,textarea' ).prop( 'disabled', true );

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}

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/**

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* Get form state.

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* @since 1.3.8

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* @param {Object} el Element.

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* @return {string} Form state.

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getFormState( el ) {

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// Serialize tested the most performant string we can use for comparisons.

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return jQuery( el ).serialize();

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/**

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* Remove items from an array.

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* @since 1.0.1

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* @param {Array} array An array.

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* @param {any} item Array item.

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* @return {number} Count of removed items.

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removeArrayItem( array, item ) {

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let removeCounter = 0;

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for ( let index = 0; index < array.length; index++ ) {

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if ( array[ index ] === item ) {

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array.splice( index, 1 );

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removeCounter++;

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index--;

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}

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}

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return removeCounter;

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/**

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* Sanitize string.

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* @since 1.0.1

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* @deprecated 1.2.8

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* @param {string} str String to sanitize.

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* @return {string} String after sanitization.

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sanitizeString( str ) {

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if ( typeof str === 'string' || str instanceof String ) {

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return str.trim();

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}

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return str;

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/**

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* Update query string in URL.

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* @since 1.0.0

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* @since 1.8.7 Refactored using URL API.

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* @param {string} key Query string param.

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* @param {string|null} value Query string value.

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* @param {string|null} url URL. If not defined, the current URL will be used.

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* @return {string} Updated URL.

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updateQueryString( key, value, url = null ) {

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if ( ! url ) {

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url = window.location.href;

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}

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const urlObj = new URL( url );

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if ( typeof value !== 'undefined' && value !== null ) {

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// Update value.

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urlObj.searchParams.set( key, value );

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} else {

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// Remove param from the URL.

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urlObj.searchParams.delete( key );

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}

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return urlObj.toString();

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/**

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* Get query string in a URL.

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* @since 1.0.0

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* @param {string} name Query string param.

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* @return {string} Query string value.

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getQueryString( name ) {

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const match = new RegExp( '[?&]' + name + '=([^&]*)' ).exec( window.location.search );

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return match && decodeURIComponent( match[ 1 ].replace( /\+/g, ' ' ) );

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/**

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* Remove defined query parameter in the current URL.

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* @see https://gist.github.com/simonw/9445b8c24ddfcbb856ec#gistcomment-3117674

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* @since 1.5.8

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* @param {string} name The name of the parameter to be removed.

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removeQueryParam( name ) {

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if ( wpf.getQueryString( name ) ) {

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const replace = '[\\?&]' + name + '=[^&]+',

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re = new RegExp( replace );

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// eslint-disable-next-line no-unused-expressions

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history.replaceState && history.replaceState(

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null, '', location.pathname + location.search.replace( re, '' ).replace( /^&/, '?' ) + location.hash

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);

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}

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/**

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* Is number?

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* @since 1.2.3

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* @param {number|string} n Number to check.

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* @return {boolean} Whether this is a number.

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isNumber( n ) {

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return ! isNaN( parseFloat( n ) ) && isFinite( n );

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/**

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* Sanitize amount and convert to standard format for calculations.

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* @since 1.2.6

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* @param {string} amount Price amount to sanitize.

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* @return {string} Sanitized amount.

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amountSanitize( amount ) { // eslint-disable-line complexity

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// Convert to string and allow only numbers, dots, and commas.

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amount = String( amount ).replace( /[^0-9.,]/g, '' );

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if ( wpforms_builder.currency_decimal === ',' ) {

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if ( wpforms_builder.currency_thousands === '.' && amount.indexOf( wpforms_builder.currency_thousands ) !== -1 ) {

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amount = amount.replace( new RegExp( '\\' + wpforms_builder.currency_thousands, 'g' ), '' );

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} else if ( wpforms_builder.currency_thousands === '' && amount.indexOf( '.' ) !== -1 ) {

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amount = amount.replace( /\./g, '' );

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}

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amount = amount.replace( wpforms_builder.currency_decimal, '.' );

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} else if ( wpforms_builder.currency_thousands === ',' && ( amount.indexOf( wpforms_builder.currency_thousands ) !== -1 ) ) {

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amount = amount.replace( new RegExp( '\\' + wpforms_builder.currency_thousands, 'g' ), '' );

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}

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return wpf.numberFormat( amount, wpforms_builder.currency_decimals, '.', '' );

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/**

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* Format amount.

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* @since 1.2.6

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* @param {string} amount Price amount to format.

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* @return {string} Formatted amount.

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amountFormat( amount ) {

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amount = String( amount );

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