+/* global jQuery, JSON, _customizePartialRefreshExports, console */
+
+wp.customize.selectiveRefresh = ( function( $, api ) {
+ 'use strict';
+ var self, Partial, Placement;
+
+ self = {
+ ready: $.Deferred(),
+ data: {
+ partials: {},
+ renderQueryVar: '',
+ l10n: {
+ shiftClickToEdit: ''
+ },
+ refreshBuffer: 250
+ },
+ currentRequest: null
+ };
+
+ _.extend( self, api.Events );
+
+ /**
+ * A Customizer Partial.
+ *
+ * A partial provides a rendering of one or more settings according to a template.
+ *
+ * @see PHP class WP_Customize_Partial.
+ *
+ * @class
+ * @augments wp.customize.Class
+ * @since 4.5.0
+ *
+ * @param {string} id Unique identifier for the control instance.
+ * @param {object} options Options hash for the control instance.
+ * @param {object} options.params
+ * @param {string} options.params.type Type of partial (e.g. nav_menu, widget, etc)
+ * @param {string} options.params.selector jQuery selector to find the container element in the page.
+ * @param {array} options.params.settings The IDs for the settings the partial relates to.
+ * @param {string} options.params.primarySetting The ID for the primary setting the partial renders.
+ * @param {bool} options.params.fallbackRefresh Whether to refresh the entire preview in case of a partial refresh failure.
+ */
+ Partial = self.Partial = api.Class.extend({
+
+ id: null,
+
+ /**
+ * Constructor.
+ *
+ * @since 4.5.0
+ *
+ * @param {string} id - Partial ID.
+ * @param {Object} options
+ * @param {Object} options.params
+ */
+ initialize: function( id, options ) {
+ var partial = this;
+ options = options || {};
+ partial.id = id;
+
+ partial.params = _.extend(
+ {
+ selector: null,
+ settings: [],
+ primarySetting: null,
+ containerInclusive: false,
+ fallbackRefresh: true // Note this needs to be false in a front-end editing context.
+ },
+ options.params || {}
+ );
+
+ partial.deferred = {};
+ partial.deferred.ready = $.Deferred();
+
+ partial.deferred.ready.done( function() {
+ partial.ready();
+ } );
+ },
+
+ /**
+ * Set up the partial.
+ *
+ * @since 4.5.0
+ */
+ ready: function() {
+ var partial = this;
+ _.each( _.pluck( partial.placements(), 'container' ), function( container ) {
+ $( container ).attr( 'title', self.data.l10n.shiftClickToEdit );
+ } );
+ $( document ).on( 'click', partial.params.selector, function( e ) {
+ if ( ! e.shiftKey ) {
+ return;
+ }
+ e.preventDefault();
+ _.each( partial.placements(), function( placement ) {
+ if ( $( placement.container ).is( e.currentTarget ) ) {
+ partial.showControl();
+ }
+ } );
+ } );
+ },
+
+ /**
+ * Find all placements for this partial int he document.
+ *
+ * @since 4.5.0
+ *
+ * @return {Array.<Placement>}
+ */
+ placements: function() {
+ var partial = this, selector;
+
+ selector = partial.params.selector || '';
+ if ( selector ) {
+ selector += ', ';
+ }
+ selector += '[data-customize-partial-id="' + partial.id + '"]'; // @todo Consider injecting customize-partial-id-${id} classnames instead.
+
+ return $( selector ).map( function() {
+ var container = $( this ), context;
+
+ context = container.data( 'customize-partial-placement-context' );
+ if ( _.isString( context ) && '{' === context.substr( 0, 1 ) ) {
+ throw new Error( 'context JSON parse error' );
+ }
+
+ return new Placement( {
+ partial: partial,
+ container: container,
+ context: context
+ } );
+ } ).get();
+ },
+
+ /**
+ * Get list of setting IDs related to this partial.
+ *
+ * @since 4.5.0
+ *
+ * @return {String[]}
+ */
+ settings: function() {
+ var partial = this;
+ if ( partial.params.settings && 0 !== partial.params.settings.length ) {
+ return partial.params.settings;
+ } else if ( partial.params.primarySetting ) {
+ return [ partial.params.primarySetting ];
+ } else {
+ return [ partial.id ];
+ }
+ },
+
+ /**
+ * Return whether the setting is related to the partial.
+ *
+ * @since 4.5.0
+ *
+ * @param {wp.customize.Value|string} setting ID or object for setting.
+ * @return {boolean} Whether the setting is related to the partial.
+ */
+ isRelatedSetting: function( setting /*... newValue, oldValue */ ) {
+ var partial = this;
+ if ( _.isString( setting ) ) {
+ setting = api( setting );
+ }
+ if ( ! setting ) {
+ return false;
+ }
+ return -1 !== _.indexOf( partial.settings(), setting.id );
+ },
+
+ /**
+ * Show the control to modify this partial's setting(s).
+ *
+ * This may be overridden for inline editing.
+ *
+ * @since 4.5.0
+ */
+ showControl: function() {
+ var partial = this, settingId = partial.params.primarySetting;
+ if ( ! settingId ) {
+ settingId = _.first( partial.settings() );
+ }
+ api.preview.send( 'focus-control-for-setting', settingId );
+ },
+
+ /**
+ * Prepare container for selective refresh.
+ *
+ * @since 4.5.0
+ *
+ * @param {Placement} placement
+ */
+ preparePlacement: function( placement ) {
+ $( placement.container ).addClass( 'customize-partial-refreshing' );
+ },
+
+ /**
+ * Reference to the pending promise returned from self.requestPartial().
+ *
+ * @since 4.5.0
+ * @private
+ */
+ _pendingRefreshPromise: null,
+
+ /**
+ * Request the new partial and render it into the placements.
+ *
+ * @since 4.5.0
+ *
+ * @this {wp.customize.selectiveRefresh.Partial}
+ * @return {jQuery.Promise}
+ */
+ refresh: function() {
+ var partial = this, refreshPromise;
+
+ refreshPromise = self.requestPartial( partial );
+
+ if ( ! partial._pendingRefreshPromise ) {
+ _.each( partial.placements(), function( placement ) {
+ partial.preparePlacement( placement );
+ } );
+
+ refreshPromise.done( function( placements ) {
+ _.each( placements, function( placement ) {
+ partial.renderContent( placement );
+ } );
+ } );
+
+ refreshPromise.fail( function( data, placements ) {
+ partial.fallback( data, placements );
+ } );
+
+ // Allow new request when this one finishes.
+ partial._pendingRefreshPromise = refreshPromise;
+ refreshPromise.always( function() {
+ partial._pendingRefreshPromise = null;
+ } );
+ }
+
+ return refreshPromise;
+ },
+
+ /**
+ * Apply the addedContent in the placement to the document.
+ *
+ * Note the placement object will have its container and removedNodes
+ * properties updated.
+ *
+ * @since 4.5.0
+ *
+ * @param {Placement} placement
+ * @param {Element|jQuery} [placement.container] - This param will be empty if there was no element matching the selector.
+ * @param {string|object|boolean} placement.addedContent - Rendered HTML content, a data object for JS templates to render, or false if no render.
+ * @param {object} [placement.context] - Optional context information about the container.
+ * @returns {boolean} Whether the rendering was successful and the fallback was not invoked.
+ */
+ renderContent: function( placement ) {
+ var partial = this, content, newContainerElement;
+ if ( ! placement.container ) {
+ partial.fallback( new Error( 'no_container' ), [ placement ] );
+ return false;
+ }
+ placement.container = $( placement.container );
+ if ( false === placement.addedContent ) {
+ partial.fallback( new Error( 'missing_render' ), [ placement ] );
+ return false;
+ }
+
+ // Currently a subclass needs to override renderContent to handle partials returning data object.
+ if ( ! _.isString( placement.addedContent ) ) {
+ partial.fallback( new Error( 'non_string_content' ), [ placement ] );
+ return false;
+ }
+
+ /* jshint ignore:start */
+ self.orginalDocumentWrite = document.write;
+ document.write = function() {
+ throw new Error( self.data.l10n.badDocumentWrite );
+ };
+ /* jshint ignore:end */
+ try {
+ content = placement.addedContent;
+ if ( wp.emoji && wp.emoji.parse && ! $.contains( document.head, placement.container[0] ) ) {
+ content = wp.emoji.parse( content );
+ }
+
+ if ( partial.params.containerInclusive ) {
+
+ // Note that content may be an empty string, and in this case jQuery will just remove the oldContainer
+ newContainerElement = $( content );
+
+ // Merge the new context on top of the old context.
+ placement.context = _.extend(
+ placement.context,
+ newContainerElement.data( 'customize-partial-placement-context' ) || {}
+ );
+ newContainerElement.data( 'customize-partial-placement-context', placement.context );
+
+ placement.removedNodes = placement.container;
+ placement.container = newContainerElement;
+ placement.removedNodes.replaceWith( placement.container );
+ placement.container.attr( 'title', self.data.l10n.shiftClickToEdit );
+ } else {
+ placement.removedNodes = document.createDocumentFragment();
+ while ( placement.container[0].firstChild ) {
+ placement.removedNodes.appendChild( placement.container[0].firstChild );
+ }
+
+ placement.container.html( content );
+ }
+
+ placement.container.removeClass( 'customize-render-content-error' );
+ } catch ( error ) {
+ if ( 'undefined' !== typeof console && console.error ) {
+ console.error( partial.id, error );
+ }
+ }
+ /* jshint ignore:start */
+ document.write = self.orginalDocumentWrite;
+ self.orginalDocumentWrite = null;
+ /* jshint ignore:end */
+
+ placement.container.removeClass( 'customize-partial-refreshing' );
+
+ // Prevent placement container from being being re-triggered as being rendered among nested partials.
+ placement.container.data( 'customize-partial-content-rendered', true );
+
+ /**
+ * Announce when a partial's placement has been rendered so that dynamic elements can be re-built.
+ */
+ self.trigger( 'partial-content-rendered', placement );
+ return true;
+ },
+
+ /**
+ * Handle fail to render partial.
+ *
+ * The first argument is either the failing jqXHR or an Error object, and the second argument is the array of containers.
+ *
+ * @since 4.5.0
+ */
+ fallback: function() {
+ var partial = this;
+ if ( partial.params.fallbackRefresh ) {
+ self.requestFullRefresh();
+ }
+ }
+ } );
+
+ /**
+ * A Placement for a Partial.
+ *
+ * A partial placement is the actual physical representation of a partial for a given context.
+ * It also may have information in relation to how a placement may have just changed.
+ * The placement is conceptually similar to a DOM Range or MutationRecord.
+ *
+ * @class
+ * @augments wp.customize.Class
+ * @since 4.5.0
+ */
+ self.Placement = Placement = api.Class.extend({
+
+ /**
+ * The partial with which the container is associated.
+ *
+ * @param {wp.customize.selectiveRefresh.Partial}
+ */
+ partial: null,
+
+ /**
+ * DOM element which contains the placement's contents.
+ *
+ * This will be null if the startNode and endNode do not point to the same
+ * DOM element, such as in the case of a sidebar partial.
+ * This container element itself will be replaced for partials that
+ * have containerInclusive param defined as true.
+ */
+ container: null,
+
+ /**
+ * DOM node for the initial boundary of the placement.
+ *
+ * This will normally be the same as endNode since most placements appear as elements.
+ * This is primarily useful for widget sidebars which do not have intrinsic containers, but
+ * for which an HTML comment is output before to mark the starting position.
+ */
+ startNode: null,
+
+ /**
+ * DOM node for the terminal boundary of the placement.
+ *
+ * This will normally be the same as startNode since most placements appear as elements.
+ * This is primarily useful for widget sidebars which do not have intrinsic containers, but
+ * for which an HTML comment is output before to mark the ending position.
+ */
+ endNode: null,
+
+ /**
+ * Context data.
+ *
+ * This provides information about the placement which is included in the request
+ * in order to render the partial properly.
+ *
+ * @param {object}
+ */
+ context: null,
+
+ /**
+ * The content for the partial when refreshed.
+ *
+ * @param {string}
+ */
+ addedContent: null,
+
+ /**
+ * DOM node(s) removed when the partial is refreshed.
+ *
+ * If the partial is containerInclusive, then the removedNodes will be
+ * the single Element that was the partial's former placement. If the
+ * partial is not containerInclusive, then the removedNodes will be a
+ * documentFragment containing the nodes removed.
+ *
+ * @param {Element|DocumentFragment}
+ */
+ removedNodes: null,
+
+ /**
+ * Constructor.
+ *
+ * @since 4.5.0
+ *
+ * @param {object} args
+ * @param {Partial} args.partial
+ * @param {jQuery|Element} [args.container]
+ * @param {Node} [args.startNode]
+ * @param {Node} [args.endNode]
+ * @param {object} [args.context]
+ * @param {string} [args.addedContent]
+ * @param {jQuery|DocumentFragment} [args.removedNodes]
+ */
+ initialize: function( args ) {
+ var placement = this;
+
+ args = _.extend( {}, args || {} );
+ if ( ! args.partial || ! args.partial.extended( Partial ) ) {
+ throw new Error( 'Missing partial' );
+ }
+ args.context = args.context || {};
+ if ( args.container ) {
+ args.container = $( args.container );
+ }
+
+ _.extend( placement, args );
+ }
+
+ });
+
+ /**
+ * Mapping of type names to Partial constructor subclasses.
+ *
+ * @since 4.5.0
+ *
+ * @type {Object.<string, wp.customize.selectiveRefresh.Partial>}
+ */
+ self.partialConstructor = {};
+
+ self.partial = new api.Values({ defaultConstructor: Partial });
+
+ /**
+ * Get the POST vars for a Customizer preview request.
+ *
+ * @since 4.5.0
+ * @see wp.customize.previewer.query()
+ *
+ * @return {object}
+ */
+ self.getCustomizeQuery = function() {
+ var dirtyCustomized = {};
+ api.each( function( value, key ) {
+ if ( value._dirty ) {
+ dirtyCustomized[ key ] = value();
+ }
+ } );
+
+ return {
+ wp_customize: 'on',
+ nonce: api.settings.nonce.preview,
+ theme: api.settings.theme.stylesheet,
+ customized: JSON.stringify( dirtyCustomized )
+ };
+ };
+
+ /**
+ * Currently-requested partials and their associated deferreds.
+ *
+ * @since 4.5.0
+ * @type {Object<string, { deferred: jQuery.Promise, partial: wp.customize.selectiveRefresh.Partial }>}
+ */
+ self._pendingPartialRequests = {};
+
+ /**
+ * Timeout ID for the current requesr, or null if no request is current.
+ *
+ * @since 4.5.0
+ * @type {number|null}
+ * @private
+ */
+ self._debouncedTimeoutId = null;
+
+ /**
+ * Current jqXHR for the request to the partials.
+ *
+ * @since 4.5.0
+ * @type {jQuery.jqXHR|null}
+ * @private
+ */
+ self._currentRequest = null;
+
+ /**
+ * Request full page refresh.
+ *
+ * When selective refresh is embedded in the context of front-end editing, this request
+ * must fail or else changes will be lost, unless transactions are implemented.
+ *
+ * @since 4.5.0
+ */
+ self.requestFullRefresh = function() {
+ api.preview.send( 'refresh' );
+ };
+
+ /**
+ * Request a re-rendering of a partial.
+ *
+ * @since 4.5.0
+ *
+ * @param {wp.customize.selectiveRefresh.Partial} partial
+ * @return {jQuery.Promise}
+ */
+ self.requestPartial = function( partial ) {
+ var partialRequest;
+
+ if ( self._debouncedTimeoutId ) {
+ clearTimeout( self._debouncedTimeoutId );
+ self._debouncedTimeoutId = null;
+ }
+ if ( self._currentRequest ) {
+ self._currentRequest.abort();
+ self._currentRequest = null;
+ }
+
+ partialRequest = self._pendingPartialRequests[ partial.id ];
+ if ( ! partialRequest || 'pending' !== partialRequest.deferred.state() ) {
+ partialRequest = {
+ deferred: $.Deferred(),
+ partial: partial
+ };
+ self._pendingPartialRequests[ partial.id ] = partialRequest;
+ }
+
+ // Prevent leaking partial into debounced timeout callback.
+ partial = null;
+
+ self._debouncedTimeoutId = setTimeout(
+ function() {
+ var data, partialPlacementContexts, partialsPlacements, request;
+
+ self._debouncedTimeoutId = null;
+ data = self.getCustomizeQuery();
+
+ /*
+ * It is key that the containers be fetched exactly at the point of the request being
+ * made, because the containers need to be mapped to responses by array indices.
+ */
+ partialsPlacements = {};
+
+ partialPlacementContexts = {};
+
+ _.each( self._pendingPartialRequests, function( pending, partialId ) {
+ partialsPlacements[ partialId ] = pending.partial.placements();
+ if ( ! self.partial.has( partialId ) ) {
+ pending.deferred.rejectWith( pending.partial, [ new Error( 'partial_removed' ), partialsPlacements[ partialId ] ] );
+ } else {
+ /*
+ * Note that this may in fact be an empty array. In that case, it is the responsibility
+ * of the Partial subclass instance to know where to inject the response, or else to
+ * just issue a refresh (default behavior). The data being returned with each container
+ * is the context information that may be needed to render certain partials, such as
+ * the contained sidebar for rendering widgets or what the nav menu args are for a menu.
+ */
+ partialPlacementContexts[ partialId ] = _.map( partialsPlacements[ partialId ], function( placement ) {
+ return placement.context || {};
+ } );
+ }
+ } );
+
+ data.partials = JSON.stringify( partialPlacementContexts );
+ data[ self.data.renderQueryVar ] = '1';
+
+ request = self._currentRequest = wp.ajax.send( null, {
+ data: data,
+ url: api.settings.url.self
+ } );
+
+ request.done( function( data ) {
+
+ /**
+ * Announce the data returned from a request to render partials.
+ *
+ * The data is filtered on the server via customize_render_partials_response
+ * so plugins can inject data from the server to be utilized
+ * on the client via this event. Plugins may use this filter
+ * to communicate script and style dependencies that need to get
+ * injected into the page to support the rendered partials.
+ * This is similar to the 'saved' event.
+ */
+ self.trigger( 'render-partials-response', data );
+
+ // Relay errors (warnings) captured during rendering and relay to console.
+ if ( data.errors && 'undefined' !== typeof console && console.warn ) {
+ _.each( data.errors, function( error ) {
+ console.warn( error );
+ } );
+ }
+
+ /*
+ * Note that data is an array of items that correspond to the array of
+ * containers that were submitted in the request. So we zip up the
+ * array of containers with the array of contents for those containers,
+ * and send them into .
+ */
+ _.each( self._pendingPartialRequests, function( pending, partialId ) {
+ var placementsContents;
+ if ( ! _.isArray( data.contents[ partialId ] ) ) {
+ pending.deferred.rejectWith( pending.partial, [ new Error( 'unrecognized_partial' ), partialsPlacements[ partialId ] ] );
+ } else {
+ placementsContents = _.map( data.contents[ partialId ], function( content, i ) {
+ var partialPlacement = partialsPlacements[ partialId ][ i ];
+ if ( partialPlacement ) {
+ partialPlacement.addedContent = content;
+ } else {
+ partialPlacement = new Placement( {
+ partial: pending.partial,
+ addedContent: content
+ } );
+ }
+ return partialPlacement;
+ } );
+ pending.deferred.resolveWith( pending.partial, [ placementsContents ] );
+ }
+ } );
+ self._pendingPartialRequests = {};
+ } );
+
+ request.fail( function( data, statusText ) {
+
+ /*
+ * Ignore failures caused by partial.currentRequest.abort()
+ * The pending deferreds will remain in self._pendingPartialRequests
+ * for re-use with the next request.
+ */
+ if ( 'abort' === statusText ) {
+ return;
+ }
+
+ _.each( self._pendingPartialRequests, function( pending, partialId ) {
+ pending.deferred.rejectWith( pending.partial, [ data, partialsPlacements[ partialId ] ] );
+ } );
+ self._pendingPartialRequests = {};
+ } );
+ },
+ self.data.refreshBuffer
+ );
+
+ return partialRequest.deferred.promise();
+ };
+
+ /**
+ * Add partials for any nav menu container elements in the document.
+ *
+ * This method may be called multiple times. Containers that already have been
+ * seen will be skipped.
+ *
+ * @since 4.5.0
+ *
+ * @param {jQuery|HTMLElement} [rootElement]
+ * @param {object} [options]
+ * @param {boolean=true} [options.triggerRendered]
+ */
+ self.addPartials = function( rootElement, options ) {
+ var containerElements;
+ if ( ! rootElement ) {
+ rootElement = document.documentElement;
+ }
+ rootElement = $( rootElement );
+ options = _.extend(
+ {
+ triggerRendered: true
+ },
+ options || {}
+ );
+
+ containerElements = rootElement.find( '[data-customize-partial-id]' );
+ if ( rootElement.is( '[data-customize-partial-id]' ) ) {
+ containerElements = containerElements.add( rootElement );
+ }
+ containerElements.each( function() {
+ var containerElement = $( this ), partial, id, Constructor, partialOptions, containerContext;
+ id = containerElement.data( 'customize-partial-id' );
+ if ( ! id ) {
+ return;
+ }
+ containerContext = containerElement.data( 'customize-partial-placement-context' ) || {};
+
+ partial = self.partial( id );
+ if ( ! partial ) {
+ partialOptions = containerElement.data( 'customize-partial-options' ) || {};
+ partialOptions.constructingContainerContext = containerElement.data( 'customize-partial-placement-context' ) || {};
+ Constructor = self.partialConstructor[ containerElement.data( 'customize-partial-type' ) ] || self.Partial;
+ partial = new Constructor( id, partialOptions );
+ self.partial.add( partial.id, partial );
+ }
+
+ /*
+ * Only trigger renders on (nested) partials that have been not been
+ * handled yet. An example where this would apply is a nav menu
+ * embedded inside of a custom menu widget. When the widget's title
+ * is updated, the entire widget will re-render and then the event
+ * will be triggered for the nested nav menu to do any initialization.
+ */
+ if ( options.triggerRendered && ! containerElement.data( 'customize-partial-content-rendered' ) ) {
+
+ /**
+ * Announce when a partial's nested placement has been re-rendered.
+ */
+ self.trigger( 'partial-content-rendered', new Placement( {
+ partial: partial,
+ context: containerContext,
+ container: containerElement
+ } ) );
+ }
+ containerElement.data( 'customize-partial-content-rendered', true );
+ } );
+ };
+
+ api.bind( 'preview-ready', function() {
+ var handleSettingChange, watchSettingChange, unwatchSettingChange;
+
+ // Polyfill for IE8 to support the document.head attribute.
+ if ( ! document.head ) {
+ document.head = $( 'head:first' )[0];
+ }
+
+ _.extend( self.data, _customizePartialRefreshExports );
+
+ // Create the partial JS models.
+ _.each( self.data.partials, function( data, id ) {
+ var Constructor, partial = self.partial( id );
+ if ( ! partial ) {
+ Constructor = self.partialConstructor[ data.type ] || self.Partial;
+ partial = new Constructor( id, { params: data } );
+ self.partial.add( id, partial );
+ } else {
+ _.extend( partial.params, data );
+ }
+ } );
+
+ /**
+ * Handle change to a setting.
+ *
+ * Note this is largely needed because adding a 'change' event handler to wp.customize
+ * will only include the changed setting object as an argument, not including the
+ * new value or the old value.
+ *
+ * @since 4.5.0
+ * @this {wp.customize.Setting}
+ *
+ * @param {*|null} newValue New value, or null if the setting was just removed.
+ * @param {*|null} oldValue Old value, or null if the setting was just added.
+ */
+ handleSettingChange = function( newValue, oldValue ) {
+ var setting = this;
+ self.partial.each( function( partial ) {
+ if ( partial.isRelatedSetting( setting, newValue, oldValue ) ) {
+ partial.refresh();
+ }
+ } );
+ };
+
+ /**
+ * Trigger the initial change for the added setting, and watch for changes.
+ *
+ * @since 4.5.0
+ * @this {wp.customize.Values}
+ *
+ * @param {wp.customize.Setting} setting
+ */
+ watchSettingChange = function( setting ) {
+ handleSettingChange.call( setting, setting(), null );
+ setting.bind( handleSettingChange );
+ };
+
+ /**
+ * Trigger the final change for the removed setting, and unwatch for changes.
+ *
+ * @since 4.5.0
+ * @this {wp.customize.Values}
+ *
+ * @param {wp.customize.Setting} setting
+ */
+ unwatchSettingChange = function( setting ) {
+ handleSettingChange.call( setting, null, setting() );
+ setting.unbind( handleSettingChange );
+ };
+
+ api.bind( 'add', watchSettingChange );
+ api.bind( 'remove', unwatchSettingChange );
+ api.each( function( setting ) {
+ setting.bind( handleSettingChange );
+ } );
+
+ // Add (dynamic) initial partials that are declared via data-* attributes.
+ self.addPartials( document.documentElement, {
+ triggerRendered: false
+ } );
+
+ // Add new dynamic partials when the document changes.
+ if ( 'undefined' !== typeof MutationObserver ) {
+ self.mutationObserver = new MutationObserver( function( mutations ) {
+ _.each( mutations, function( mutation ) {
+ self.addPartials( $( mutation.target ) );
+ } );
+ } );
+ self.mutationObserver.observe( document.documentElement, {
+ childList: true,
+ subtree: true
+ } );
+ }
+
+ /**
+ * Handle rendering of partials.
+ *
+ * @param {api.selectiveRefresh.Placement} placement
+ */
+ api.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) {
+ if ( placement.container ) {
+ self.addPartials( placement.container );
+ }
+ } );
+
+ api.preview.bind( 'active', function() {
+
+ // Make all partials ready.
+ self.partial.each( function( partial ) {
+ partial.deferred.ready.resolve();
+ } );
+
+ // Make all partials added henceforth as ready upon add.
+ self.partial.bind( 'add', function( partial ) {
+ partial.deferred.ready.resolve();
+ } );
+ } );
+
+ } );
+
+ return self;
+}( jQuery, wp.customize ) );
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff