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/**
* @output wp-includes/js/wp-api.js
*/
(function( window, undefined ) {
'use strict';
/**
* Initialise the WP_API.
*/
function WP_API() {
/** @namespace wp.api.models */
this.models = {};
/** @namespace wp.api.collections */
this.collections = {};
/** @namespace wp.api.views */
this.views = {};
}
/** @namespace wp */
window.wp = window.wp || {};
/** @namespace wp.api */
wp.api = wp.api || new WP_API();
wp.api.versionString = wp.api.versionString || 'wp/v2/';
// Alias _includes to _.contains, ensuring it is available if lodash is used.
if ( ! _.isFunction( _.includes ) && _.isFunction( _.contains ) ) {
_.includes = _.contains;
}
})( window );
(function( window, undefined ) {
'use strict';
var pad, r;
/** @namespace wp */
window.wp = window.wp || {};
/** @namespace wp.api */
wp.api = wp.api || {};
/** @namespace wp.api.utils */
wp.api.utils = wp.api.utils || {};
/**
* Determine model based on API route.
*
* @param {string} route The API route.
*
* @return {Backbone Model} The model found at given route. Undefined if not found.
*/
wp.api.getModelByRoute = function( route ) {
return _.find( wp.api.models, function( model ) {
return model.prototype.route && route === model.prototype.route.index;
} );
};
/**
* Determine collection based on API route.
*
* @param {string} route The API route.
*
* @return {Backbone Model} The collection found at given route. Undefined if not found.
*/
wp.api.getCollectionByRoute = function( route ) {
return _.find( wp.api.collections, function( collection ) {
return collection.prototype.route && route === collection.prototype.route.index;
} );
};
/**
* ECMAScript 5 shim, adapted from MDN.
* @link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString
*/
if ( ! Date.prototype.toISOString ) {
pad = function( number ) {
r = String( number );
if ( 1 === r.length ) {
r = '0' + r;
}
return r;
};
Date.prototype.toISOString = function() {
return this.getUTCFullYear() +
'-' + pad( this.getUTCMonth() + 1 ) +
'-' + pad( this.getUTCDate() ) +
'T' + pad( this.getUTCHours() ) +
':' + pad( this.getUTCMinutes() ) +
':' + pad( this.getUTCSeconds() ) +
'.' + String( ( this.getUTCMilliseconds() / 1000 ).toFixed( 3 ) ).slice( 2, 5 ) +
'Z';
};
}
/**
* Parse date into ISO8601 format.
*
* @param {Date} date.
*/
wp.api.utils.parseISO8601 = function( date ) {
var timestamp, struct, i, k,
minutesOffset = 0,
numericKeys = [ 1, 4, 5, 6, 7, 10, 11 ];
/*
* ES5 §15.9.4.2 states that the string should attempt to be parsed as a Date Time String Format string
* before falling back to any implementation-specific date parsing, so that’s what we do, even if native
* implementations could be faster.
*/
// 1 YYYY 2 MM 3 DD 4 HH 5 mm 6 ss 7 msec 8 Z 9 ± 10 tzHH 11 tzmm
if ( ( struct = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/.exec( date ) ) ) {
// Avoid NaN timestamps caused by “undefined” values being passed to Date.UTC.
for ( i = 0; ( k = numericKeys[i] ); ++i ) {
struct[k] = +struct[k] || 0;
}
// Allow undefined days and months.
struct[2] = ( +struct[2] || 1 ) - 1;
struct[3] = +struct[3] || 1;
if ( 'Z' !== struct[8] && undefined !== struct[9] ) {
minutesOffset = struct[10] * 60 + struct[11];
if ( '+' === struct[9] ) {
minutesOffset = 0 - minutesOffset;
}
}
timestamp = Date.UTC( struct[1], struct[2], struct[3], struct[4], struct[5] + minutesOffset, struct[6], struct[7] );
} else {
timestamp = Date.parse ? Date.parse( date ) : NaN;
}
return timestamp;
};
/**
* Helper function for getting the root URL.
* @return {[type]} [description]
*/
wp.api.utils.getRootUrl = function() {
return window.location.origin ?
window.location.origin + '/' :
window.location.protocol + '//' + window.location.host + '/';
};
/**
* Helper for capitalizing strings.
*/
wp.api.utils.capitalize = function( str ) {
if ( _.isUndefined( str ) ) {
return str;
}
return str.charAt( 0 ).toUpperCase() + str.slice( 1 );
};
/**
* Helper function that capitalizes the first word and camel cases any words starting
* after dashes, removing the dashes.
*/
wp.api.utils.capitalizeAndCamelCaseDashes = function( str ) {
if ( _.isUndefined( str ) ) {
return str;
}
str = wp.api.utils.capitalize( str );
return wp.api.utils.camelCaseDashes( str );
};
/**
* Helper function to camel case the letter after dashes, removing the dashes.
*/
wp.api.utils.camelCaseDashes = function( str ) {
return str.replace( /-([a-z])/g, function( g ) {
return g[ 1 ].toUpperCase();
} );
};
/**
* Extract a route part based on negative index.
*
* @param {string} route The endpoint route.
* @param {number} part The number of parts from the end of the route to retrieve. Default 1.
* Example route `/a/b/c`: part 1 is `c`, part 2 is `b`, part 3 is `a`.
* @param {string} [versionString] Version string, defaults to `wp.api.versionString`.
* @param {boolean} [reverse] Whether to reverse the order when extracting the route part. Optional, default false.
*/
wp.api.utils.extractRoutePart = function( route, part, versionString, reverse ) {
var routeParts;
part = part || 1;
versionString = versionString || wp.api.versionString;
// Remove versions string from route to avoid returning it.
if ( 0 === route.indexOf( '/' + versionString ) ) {
route = route.substr( versionString.length + 1 );
}
routeParts = route.split( '/' );
if ( reverse ) {
routeParts = routeParts.reverse();
}
if ( _.isUndefined( routeParts[ --part ] ) ) {
return '';
}
return routeParts[ part ];
};
/**
* Extract a parent name from a passed route.
*
* @param {string} route The route to extract a name from.
*/
wp.api.utils.extractParentName = function( route ) {
var name,
lastSlash = route.lastIndexOf( '_id>[\\d]+)/' );
if ( lastSlash < 0 ) {
return '';
}
name = route.substr( 0, lastSlash - 1 );
name = name.split( '/' );
name.pop();
name = name.pop();
return name;
};
/**
* Add args and options to a model prototype from a route's endpoints.
*
* @param {Array} routeEndpoints Array of route endpoints.
* @param {Object} modelInstance An instance of the model (or collection)
* to add the args to.
*/
wp.api.utils.decorateFromRoute = function( routeEndpoints, modelInstance ) {
/**
* Build the args based on route endpoint data.
*/
_.each( routeEndpoints, function( routeEndpoint ) {
// Add post and edit endpoints as model args.
if ( _.includes( routeEndpoint.methods, 'POST' ) || _.includes( routeEndpoint.methods, 'PUT' ) ) {
// Add any non-empty args, merging them into the args object.
if ( ! _.isEmpty( routeEndpoint.args ) ) {
// Set as default if no args yet.
if ( _.isEmpty( modelInstance.prototype.args ) ) {
modelInstance.prototype.args = routeEndpoint.args;
} else {
// We already have args, merge these new args in.
modelInstance.prototype.args = _.extend( modelInstance.prototype.args, routeEndpoint.args );
}
}
} else {
// Add GET method as model options.
if ( _.includes( routeEndpoint.methods, 'GET' ) ) {
// Add any non-empty args, merging them into the defaults object.
if ( ! _.isEmpty( routeEndpoint.args ) ) {
// Set as default if no defaults yet.
if ( _.isEmpty( modelInstance.prototype.options ) ) {
modelInstance.prototype.options = routeEndpoint.args;
} else {
// We already have options, merge these new args in.
modelInstance.prototype.options = _.extend( modelInstance.prototype.options, routeEndpoint.args );
}
}
}
}
} );
};
/**
* Add mixins and helpers to models depending on their defaults.
*
* @param {Backbone Model} model The model to attach helpers and mixins to.
* @param {string} modelClassName The classname of the constructed model.
* @param {Object} loadingObjects An object containing the models and collections we are building.
*/
wp.api.utils.addMixinsAndHelpers = function( model, modelClassName, loadingObjects ) {
var hasDate = false,
/**
* Array of parseable dates.
*
* @type {string[]}.
*/
parseableDates = [ 'date', 'modified', 'date_gmt', 'modified_gmt' ],
/**
* Mixin for all content that is time stamped.
*
* This mixin converts between mysql timestamps and JavaScript Dates when syncing a model
* to or from the server. For example, a date stored as `2015-12-27T21:22:24` on the server
* gets expanded to `Sun Dec 27 2015 14:22:24 GMT-0700 (MST)` when the model is fetched.
*
* @type {{toJSON: toJSON, parse: parse}}.
*/
TimeStampedMixin = {
/**
* Prepare a JavaScript Date for transmitting to the server.
*
* This helper function accepts a field and Date object. It converts the passed Date
* to an ISO string and sets that on the model field.
*
* @param {Date} date A JavaScript date object. WordPress expects dates in UTC.
* @param {string} field The date field to set. One of 'date', 'date_gmt', 'date_modified'
* or 'date_modified_gmt'. Optional, defaults to 'date'.
*/
setDate: function( date, field ) {
var theField = field || 'date';
// Don't alter non-parsable date fields.
if ( _.indexOf( parseableDates, theField ) < 0 ) {
return false;
}
this.set( theField, date.toISOString() );
},
/**
* Get a JavaScript Date from the passed field.
*
* WordPress returns 'date' and 'date_modified' in the timezone of the server as well as
* UTC dates as 'date_gmt' and 'date_modified_gmt'. Draft posts do not include UTC dates.
*
* @param {string} field The date field to set. One of 'date', 'date_gmt', 'date_modified'
* or 'date_modified_gmt'. Optional, defaults to 'date'.
*/
getDate: function( field ) {
var theField = field || 'date',
theISODate = this.get( theField );
// Only get date fields and non-null values.
if ( _.indexOf( parseableDates, theField ) < 0 || _.isNull( theISODate ) ) {
return false;
}
return new Date( wp.api.utils.parseISO8601( theISODate ) );
}
},
/**
* Build a helper function to retrieve related model.
*
* @param {string} parentModel The parent model.
* @param {number} modelId The model ID if the object to request
* @param {string} modelName The model name to use when constructing the model.
* @param {string} embedSourcePoint Where to check the embedds object for _embed data.
* @param {string} embedCheckField Which model field to check to see if the model has data.
*
* @return {Deferred.promise} A promise which resolves to the constructed model.
*/
buildModelGetter = function( parentModel, modelId, modelName, embedSourcePoint, embedCheckField ) {
var getModel, embeddeds, attributes, deferred;
deferred = jQuery.Deferred();
embeddeds = parentModel.get( '_embedded' ) || {};
// Verify that we have a valid object id.
if ( ! _.isNumber( modelId ) || 0 === modelId ) {
deferred.reject();
return deferred;
}
// If we have embedded object data, use that when constructing the getModel.
if ( embeddeds[ embedSourcePoint ] ) {
attributes = _.findWhere( embeddeds[ embedSourcePoint ], { id: modelId } );
}
// Otherwise use the modelId.
if ( ! attributes ) {
attributes = { id: modelId };
}
// Create the new getModel model.
getModel = new wp.api.models[ modelName ]( attributes );
if ( ! getModel.get( embedCheckField ) ) {
getModel.fetch( {
success: function( getModel ) {
deferred.resolve( getModel );
},
error: function( getModel, response ) {
deferred.reject( response );
}
} );
} else {
// Resolve with the embedded model.
deferred.resolve( getModel );
}
// Return a promise.
return deferred.promise();
},
/**
* Build a helper to retrieve a collection.
*
* @param {string} parentModel The parent model.
* @param {string} collectionName The name to use when constructing the collection.
* @param {string} embedSourcePoint Where to check the embedds object for _embed data.
* @param {string} embedIndex An addiitonal optional index for the _embed data.
*
* @return {Deferred.promise} A promise which resolves to the constructed collection.
*/
buildCollectionGetter = function( parentModel, collectionName, embedSourcePoint, embedIndex ) {
/**
* Returns a promise that resolves to the requested collection
*
* Uses the embedded data if available, otherwises fetches the
* data from the server.
*
* @return {Deferred.promise} promise Resolves to a wp.api.collections[ collectionName ]
* collection.
*/
var postId, embeddeds, getObjects,
classProperties = '',
properties = '',
deferred = jQuery.Deferred();
postId = parentModel.get( 'id' );
embeddeds = parentModel.get( '_embedded' ) || {};
// Verify that we have a valid post ID.
if ( ! _.isNumber( postId ) || 0 === postId ) {
deferred.reject();
return deferred;
}
// If we have embedded getObjects data, use that when constructing the getObjects.
if ( ! _.isUndefined( embedSourcePoint ) && ! _.isUndefined( embeddeds[ embedSourcePoint ] ) ) {
// Some embeds also include an index offset, check for that.
if ( _.isUndefined( embedIndex ) ) {
// Use the embed source point directly.
properties = embeddeds[ embedSourcePoint ];
} else {
// Add the index to the embed source point.
properties = embeddeds[ embedSourcePoint ][ embedIndex ];
}
} else {
// Otherwise use the postId.
classProperties = { parent: postId };
}
// Create the new getObjects collection.
getObjects = new wp.api.collections[ collectionName ]( properties, classProperties );
// If we didn’t have embedded getObjects, fetch the getObjects data.
if ( _.isUndefined( getObjects.models[0] ) ) {
getObjects.fetch( {
success: function( getObjects ) {
// Add a helper 'parent_post' attribute onto the model.
setHelperParentPost( getObjects, postId );
deferred.resolve( getObjects );
},
error: function( getModel, response ) {
deferred.reject( response );
}
} );
} else {
// Add a helper 'parent_post' attribute onto the model.
setHelperParentPost( getObjects, postId );
deferred.resolve( getObjects );
}
// Return a promise.
return deferred.promise();
},
/**
* Set the model post parent.
*/
setHelperParentPost = function( collection, postId ) {
// Attach post_parent id to the collection.
_.each( collection.models, function( model ) {
model.set( 'parent_post', postId );
} );
},
/**
* Add a helper function to handle post Meta.
*/
MetaMixin = {
/**
* Get meta by key for a post.
*
* @param {string} key The meta key.
*
* @return {Object} The post meta value.
*/
getMeta: function( key ) {
var metas = this.get( 'meta' );
return metas[ key ];
},
/**
* Get all meta key/values for a post.
*
* @return {Object} The post metas, as a key value pair object.
*/
getMetas: function() {
return this.get( 'meta' );
},
/**
* Set a group of meta key/values for a post.
*
* @param {Object} meta The post meta to set, as key/value pairs.
*/
setMetas: function( meta ) {
var metas = this.get( 'meta' );
_.extend( metas, meta );
this.set( 'meta', metas );
},
/**
* Set a single meta value for a post, by key.
*
* @param {string} key The meta key.
* @param {Object} value The meta value.
*/
setMeta: function( key, value ) {
var metas = this.get( 'meta' );
metas[ key ] = value;
this.set( 'meta', metas );
}
},
/**
* Add a helper function to handle post Revisions.
*/
RevisionsMixin = {
getRevisions: function() {
return buildCollectionGetter( this, 'PostRevisions' );
}
},
/**
* Add a helper function to handle post Tags.
*/
TagsMixin = {
/**
* Get the tags for a post.
*
* @return {Deferred.promise} promise Resolves to an array of tags.
*/
getTags: function() {
var tagIds = this.get( 'tags' ),
tags = new wp.api.collections.Tags();
// Resolve with an empty array if no tags.
if ( _.isEmpty( tagIds ) ) {
return jQuery.Deferred().resolve( [] );
}
return tags.fetch( { data: { include: tagIds } } );
},
/**
* Set the tags for a post.
*
* Accepts an array of tag slugs, or a Tags collection.
*
* @param {Array|Backbone.Collection} tags The tags to set on the post.
*
*/
setTags: function( tags ) {
var allTags, newTag,
self = this,
newTags = [];
if ( _.isString( tags ) ) {
return false;
}
// If this is an array of slugs, build a collection.
if ( _.isArray( tags ) ) {
// Get all the tags.
allTags = new wp.api.collections.Tags();
allTags.fetch( {
data: { per_page: 100 },
success: function( alltags ) {
// Find the passed tags and set them up.
_.each( tags, function( tag ) {
newTag = new wp.api.models.Tag( alltags.findWhere( { slug: tag } ) );
// Tie the new tag to the post.
newTag.set( 'parent_post', self.get( 'id' ) );
// Add the new tag to the collection.
newTags.push( newTag );
} );
tags = new wp.api.collections.Tags( newTags );
self.setTagsWithCollection( tags );
}
} );
} else {
this.setTagsWithCollection( tags );
}
},
/**
* Set the tags for a post.
*
* Accepts a Tags collection.
*
* @param {Array|Backbone.Collection} tags The tags to set on the post.
*
*/
setTagsWithCollection: function( tags ) {
// Pluck out the category IDs.
this.set( 'tags', tags.pluck( 'id' ) );
return this.save();
}
},
/**
* Add a helper function to handle post Categories.
*/
CategoriesMixin = {
/**
* Get a the categories for a post.
*
* @return {Deferred.promise} promise Resolves to an array of categories.
*/
getCategories: function() {
var categoryIds = this.get( 'categories' ),
categories = new wp.api.collections.Categories();
// Resolve with an empty array if no categories.
if ( _.isEmpty( categoryIds ) ) {
return jQuery.Deferred().resolve( [] );
}
return categories.fetch( { data: { include: categoryIds } } );
},
/**
* Set the categories for a post.
*
* Accepts an array of category slugs, or a Categories collection.
*
* @param {Array|Backbone.Collection} categories The categories to set on the post.
*
*/
setCategories: function( categories ) {
var allCategories, newCategory,
self = this,
newCategories = [];
if ( _.isString( categories ) ) {
return false;
}
// If this is an array of slugs, build a collection.
if ( _.isArray( categories ) ) {
// Get all the categories.
allCategories = new wp.api.collections.Categories();
allCategories.fetch( {
data: { per_page: 100 },
success: function( allcats ) {
// Find the passed categories and set them up.
_.each( categories, function( category ) {
newCategory = new wp.api.models.Category( allcats.findWhere( { slug: category } ) );
// Tie the new category to the post.
newCategory.set( 'parent_post', self.get( 'id' ) );
// Add the new category to the collection.
newCategories.push( newCategory );
} );
categories = new wp.api.collections.Categories( newCategories );
self.setCategoriesWithCollection( categories );
}
} );
} else {
this.setCategoriesWithCollection( categories );
}
},
/**
* Set the categories for a post.
*
* Accepts Categories collection.
*
* @param {Array|Backbone.Collection} categories The categories to set on the post.
*
*/
setCategoriesWithCollection: function( categories ) {
// Pluck out the category IDs.
this.set( 'categories', categories.pluck( 'id' ) );
return this.save();
}
},
/**
* Add a helper function to retrieve the author user model.
*/
AuthorMixin = {
getAuthorUser: function() {
return buildModelGetter( this, this.get( 'author' ), 'User', 'author', 'name' );
}
},
/**
* Add a helper function to retrieve the featured media.
*/
FeaturedMediaMixin = {
getFeaturedMedia: function() {
return buildModelGetter( this, this.get( 'featured_media' ), 'Media', 'wp:featuredmedia', 'source_url' );
}
};
// Exit if we don't have valid model defaults.
if ( _.isUndefined( model.prototype.args ) ) {
return model;
}
// Go thru the parsable date fields, if our model contains any of them it gets the TimeStampedMixin.
_.each( parseableDates, function( theDateKey ) {
if ( ! _.isUndefined( model.prototype.args[ theDateKey ] ) ) {
hasDate = true;
}
} );
// Add the TimeStampedMixin for models that contain a date field.
if ( hasDate ) {
model = model.extend( TimeStampedMixin );
}
// Add the AuthorMixin for models that contain an author.
if ( ! _.isUndefined( model.prototype.args.author ) ) {
model = model.extend( AuthorMixin );
}
// Add the FeaturedMediaMixin for models that contain a featured_media.
if ( ! _.isUndefined( model.prototype.args.featured_media ) ) {
model = model.extend( FeaturedMediaMixin );
}
// Add the CategoriesMixin for models that support categories collections.
if ( ! _.isUndefined( model.prototype.args.categories ) ) {
model = model.extend( CategoriesMixin );
}
// Add the MetaMixin for models that support meta.
if ( ! _.isUndefined( model.prototype.args.meta ) ) {
model = model.extend( MetaMixin );
}
// Add the TagsMixin for models that support tags collections.
if ( ! _.isUndefined( model.prototype.args.tags ) ) {
model = model.extend( TagsMixin );
}
// Add the RevisionsMixin for models that support revisions collections.
if ( ! _.isUndefined( loadingObjects.collections[ modelClassName + 'Revisions' ] ) ) {
model = model.extend( RevisionsMixin );
}
return model;
};
})( window );
/* global wpApiSettings:false */
// Suppress warning about parse function's unused "options" argument:
/* jshint unused:false */
(function() {
'use strict';
var wpApiSettings = window.wpApiSettings || {},
trashableTypes = [ 'Comment', 'Media', 'Comment', 'Post', 'Page', 'Status', 'Taxonomy', 'Type' ];
/**
* Backbone base model for all models.
*/
wp.api.WPApiBaseModel = Backbone.Model.extend(
/** @lends WPApiBaseModel.prototype */
{
// Initialize the model.
initialize: function() {
/**
* Types that don't support trashing require passing ?force=true to delete.
*
*/
if ( -1 === _.indexOf( trashableTypes, this.name ) ) {
this.requireForceForDelete = true;
}
},
/**
* Set nonce header before every Backbone sync.
*
* @param {string} method.
* @param {Backbone.Model} model.
* @param {{beforeSend}, *} options.
* @return {*}.
*/
sync: function( method, model, options ) {
var beforeSend;
options = options || {};
// Remove date_gmt if null.
if ( _.isNull( model.get( 'date_gmt' ) ) ) {
model.unset( 'date_gmt' );
}
// Remove slug if empty.
if ( _.isEmpty( model.get( 'slug' ) ) ) {
model.unset( 'slug' );
}
if ( _.isFunction( model.nonce ) && ! _.isEmpty( model.nonce() ) ) {
beforeSend = options.beforeSend;
// @todo Enable option for jsonp endpoints.
// options.dataType = 'jsonp';
// Include the nonce with requests.
options.beforeSend = function( xhr ) {
xhr.setRequestHeader( 'X-WP-Nonce', model.nonce() );
if ( beforeSend ) {
return beforeSend.apply( this, arguments );
}
};
// Update the nonce when a new nonce is returned with the response.
options.complete = function( xhr ) {
var returnedNonce = xhr.getResponseHeader( 'X-WP-Nonce' );
if ( returnedNonce && _.isFunction( model.nonce ) && model.nonce() !== returnedNonce ) {
model.endpointModel.set( 'nonce', returnedNonce );
}
};
}
// Add '?force=true' to use delete method when required.
if ( this.requireForceForDelete && 'delete' === method ) {
model.url = model.url() + '?force=true';
}
return Backbone.sync( method, model, options );
},
/**
* Save is only allowed when the PUT OR POST methods are available for the endpoint.
*/
save: function( attrs, options ) {
// Do we have the put method, then execute the save.
if ( _.includes( this.methods, 'PUT' ) || _.includes( this.methods, 'POST' ) ) {
// Proxy the call to the original save function.
return Backbone.Model.prototype.save.call( this, attrs, options );
} else {
// Otherwise bail, disallowing action.
return false;
}
},
/**
* Delete is only allowed when the DELETE method is available for the endpoint.
*/
destroy: function( options ) {
// Do we have the DELETE method, then execute the destroy.
if ( _.includes( this.methods, 'DELETE' ) ) {
// Proxy the call to the original save function.
return Backbone.Model.prototype.destroy.call( this, options );
} else {
// Otherwise bail, disallowing action.
return false;
}
}
}
);
/**
* API Schema model. Contains meta information about the API.
*/
wp.api.models.Schema = wp.api.WPApiBaseModel.extend(
/** @lends Schema.prototype */
{
defaults: {
_links: {},
namespace: null,
routes: {}
},
initialize: function( attributes, options ) {
var model = this;
options = options || {};
wp.api.WPApiBaseModel.prototype.initialize.call( model, attributes, options );
model.apiRoot = options.apiRoot || wpApiSettings.root;
model.versionString = options.versionString || wpApiSettings.versionString;
},
url: function() {
return this.apiRoot + this.versionString;
}
}
);
})();
( function() {
'use strict';
var wpApiSettings = window.wpApiSettings || {};
/**
* Contains basic collection functionality such as pagination.
*/
wp.api.WPApiBaseCollection = Backbone.Collection.extend(
/** @lends BaseCollection.prototype */
{
/**
* Setup default state.
*/
initialize: function( models, options ) {
this.state = {
data: {},
currentPage: null,
totalPages: null,
totalObjects: null
};
if ( _.isUndefined( options ) ) {
this.parent = '';
} else {
this.parent = options.parent;
}
},
/**
* Extend Backbone.Collection.sync to add nince and pagination support.
*
* Set nonce header before every Backbone sync.
*
* @param {string} method.
* @param {Backbone.Model} model.
* @param {{success}, *} options.
* @return {*}.
*/
sync: function( method, model, options ) {
var beforeSend, success,
self = this;
options = options || {};
if ( _.isFunction( model.nonce ) && ! _.isEmpty( model.nonce() ) ) {
beforeSend = options.beforeSend;
// Include the nonce with requests.
options.beforeSend = function( xhr ) {
xhr.setRequestHeader( 'X-WP-Nonce', model.nonce() );
if ( beforeSend ) {
return beforeSend.apply( self, arguments );
}
};
// Update the nonce when a new nonce is returned with the response.
options.complete = function( xhr ) {
var returnedNonce = xhr.getResponseHeader( 'X-WP-Nonce' );
if ( returnedNonce && _.isFunction( model.nonce ) && model.nonce() !== returnedNonce ) {
model.endpointModel.set( 'nonce', returnedNonce );
}
};
}
// When reading, add pagination data.
if ( 'read' === method ) {
if ( options.data ) {
self.state.data = _.clone( options.data );
delete self.state.data.page;
} else {
self.state.data = options.data = {};
}
if ( 'undefined' === typeof options.data.page ) {
self.state.currentPage = null;
self.state.totalPages = null;
self.state.totalObjects = null;
} else {
self.state.currentPage = options.data.page - 1;
}
success = options.success;
options.success = function( data, textStatus, request ) {
if ( ! _.isUndefined( request ) ) {
self.state.totalPages = parseInt( request.getResponseHeader( 'x-wp-totalpages' ), 10 );
self.state.totalObjects = parseInt( request.getResponseHeader( 'x-wp-total' ), 10 );
}
if ( null === self.state.currentPage ) {
self.state.currentPage = 1;
} else {
self.state.currentPage++;
}
if ( success ) {
return success.apply( this, arguments );
}
};
}
// Continue by calling Bacckbone's sync.
return Backbone.sync( method, model, options );
},
/**
* Fetches the next page of objects if a new page exists.
*
* @param {data: {page}} options.
* @return {*}.
*/
more: function( options ) {
options = options || {};
options.data = options.data || {};
_.extend( options.data, this.state.data );
if ( 'undefined' === typeof options.data.page ) {
if ( ! this.hasMore() ) {
return false;
}
if ( null === this.state.currentPage || this.state.currentPage <= 1 ) {
options.data.page = 2;
} else {
options.data.page = this.state.currentPage + 1;
}
}
return this.fetch( options );
},
/**
* Returns true if there are more pages of objects available.
*
* @return {null|boolean}
*/
hasMore: function() {
if ( null === this.state.totalPages ||
null === this.state.totalObjects ||
null === this.state.currentPage ) {
return null;
} else {
return ( this.state.currentPage < this.state.totalPages );
}
}
}
);
} )();
( function() {
'use strict';
var Endpoint, initializedDeferreds = {},
wpApiSettings = window.wpApiSettings || {};
/** @namespace wp */
window.wp = window.wp || {};
/** @namespace wp.api */
wp.api = wp.api || {};
// If wpApiSettings is unavailable, try the default.
if ( _.isEmpty( wpApiSettings ) ) {
wpApiSettings.root = window.location.origin + '/wp-json/';
}
Endpoint = Backbone.Model.extend(/** @lends Endpoint.prototype */{
defaults: {
apiRoot: wpApiSettings.root,
versionString: wp.api.versionString,
nonce: null,
schema: null,
models: {},
collections: {}
},
/**
* Initialize the Endpoint model.
*/
initialize: function() {
var model = this, deferred;
Backbone.Model.prototype.initialize.apply( model, arguments );
deferred = jQuery.Deferred();
model.schemaConstructed = deferred.promise();
model.schemaModel = new wp.api.models.Schema( null, {
apiRoot: model.get( 'apiRoot' ),
versionString: model.get( 'versionString' ),
nonce: model.get( 'nonce' )
} );
// When the model loads, resolve the promise.
model.schemaModel.once( 'change', function() {
model.constructFromSchema();
deferred.resolve( model );
} );
if ( model.get( 'schema' ) ) {
// Use schema supplied as model attribute.
model.schemaModel.set( model.schemaModel.parse( model.get( 'schema' ) ) );
} else if (
! _.isUndefined( sessionStorage ) &&
( _.isUndefined( wpApiSettings.cacheSchema ) || wpApiSettings.cacheSchema ) &&
sessionStorage.getItem( 'wp-api-schema-model' + model.get( 'apiRoot' ) + model.get( 'versionString' ) )
) {
// Used a cached copy of the schema model if available.
model.schemaModel.set( model.schemaModel.parse( JSON.parse( sessionStorage.getItem( 'wp-api-schema-model' + model.get( 'apiRoot' ) + model.get( 'versionString' ) ) ) ) );
} else {
model.schemaModel.fetch( {
/**
* When the server returns the schema model data, store the data in a sessionCache so we don't
* have to retrieve it again for this session. Then, construct the models and collections based
* on the schema model data.
*
* @ignore
*/
success: function( newSchemaModel ) {
// Store a copy of the schema model in the session cache if available.
if ( ! _.isUndefined( sessionStorage ) && ( _.isUndefined( wpApiSettings.cacheSchema ) || wpApiSettings.cacheSchema ) ) {
try {
sessionStorage.setItem( 'wp-api-schema-model' + model.get( 'apiRoot' ) + model.get( 'versionString' ), JSON.stringify( newSchemaModel ) );
} catch ( error ) {
// Fail silently, fixes errors in safari private mode.
}
}
},
// Log the error condition.
error: function( err ) {
window.console.log( err );
}
} );
}
},
constructFromSchema: function() {
var routeModel = this, modelRoutes, collectionRoutes, schemaRoot, loadingObjects,
/**
* Set up the model and collection name mapping options. As the schema is built, the
* model and collection names will be adjusted if they are found in the mapping object.
*
* Localizing a variable wpApiSettings.mapping will over-ride the default mapping options.
*
*/
mapping = wpApiSettings.mapping || {
models: {
'Categories': 'Category',
'Comments': 'Comment',
'Pages': 'Page',
'PagesMeta': 'PageMeta',
'PagesRevisions': 'PageRevision',
'Posts': 'Post',
'PostsCategories': 'PostCategory',
'PostsRevisions': 'PostRevision',
'PostsTags': 'PostTag',
'Schema': 'Schema',
'Statuses': 'Status',
'Tags': 'Tag',
'Taxonomies': 'Taxonomy',
'Types': 'Type',
'Users': 'User'
},
collections: {
'PagesMeta': 'PageMeta',
'PagesRevisions': 'PageRevisions',
'PostsCategories': 'PostCategories',
'PostsMeta': 'PostMeta',
'PostsRevisions': 'PostRevisions',
'PostsTags': 'PostTags'
}
},
modelEndpoints = routeModel.get( 'modelEndpoints' ),
modelRegex = new RegExp( '(?:.*[+)]|\/(' + modelEndpoints.join( '|' ) + '))$' );
/**
* Iterate thru the routes, picking up models and collections to build. Builds two arrays,
* one for models and one for collections.
*/
modelRoutes = [];
collectionRoutes = [];
schemaRoot = routeModel.get( 'apiRoot' ).replace( wp.api.utils.getRootUrl(), '' );
loadingObjects = {};
/**
* Tracking objects for models and collections.
*/
loadingObjects.models = {};
loadingObjects.collections = {};
_.each( routeModel.schemaModel.get( 'routes' ), function( route, index ) {
// Skip the schema root if included in the schema.
if ( index !== routeModel.get( ' versionString' ) &&
index !== schemaRoot &&
index !== ( '/' + routeModel.get( 'versionString' ).slice( 0, -1 ) )
) {
// Single items end with a regex, or a special case word.
if ( modelRegex.test( index ) ) {
modelRoutes.push( { index: index, route: route } );
} else {
// Collections end in a name.
collectionRoutes.push( { index: index, route: route } );
}
}
} );
/**
* Construct the models.
*
* Base the class name on the route endpoint.
*/
_.each( modelRoutes, function( modelRoute ) {
// Extract the name and any parent from the route.
var modelClassName,
routeName = wp.api.utils.extractRoutePart( modelRoute.index, 2, routeModel.get( 'versionString' ), true ),
parentName = wp.api.utils.extractRoutePart( modelRoute.index, 1, routeModel.get( 'versionString' ), false ),
routeEnd = wp.api.utils.extractRoutePart( modelRoute.index, 1, routeModel.get( 'versionString' ), true );
// Clear the parent part of the rouite if its actually the version string.
if ( parentName === routeModel.get( 'versionString' ) ) {
parentName = '';
}
// Handle the special case of the 'me' route.
if ( 'me' === routeEnd ) {
routeName = 'me';
}
// If the model has a parent in its route, add that to its class name.
if ( '' !== parentName && parentName !== routeName ) {
modelClassName = wp.api.utils.capitalizeAndCamelCaseDashes( parentName ) + wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
modelClassName = mapping.models[ modelClassName ] || modelClassName;
loadingObjects.models[ modelClassName ] = wp.api.WPApiBaseModel.extend( {
// Return a constructed url based on the parent and id.
url: function() {
var url =
routeModel.get( 'apiRoot' ) +
routeModel.get( 'versionString' ) +
parentName + '/' +
( ( _.isUndefined( this.get( 'parent' ) ) || 0 === this.get( 'parent' ) ) ?
( _.isUndefined( this.get( 'parent_post' ) ) ? '' : this.get( 'parent_post' ) + '/' ) :
this.get( 'parent' ) + '/' ) +
routeName;
if ( ! _.isUndefined( this.get( 'id' ) ) ) {
url += '/' + this.get( 'id' );
}
return url;
},
// Track nonces on the Endpoint 'routeModel'.
nonce: function() {
return routeModel.get( 'nonce' );
},
endpointModel: routeModel,
// Include a reference to the original route object.
route: modelRoute,
// Include a reference to the original class name.
name: modelClassName,
// Include the array of route methods for easy reference.
methods: modelRoute.route.methods,
// Include the array of route endpoints for easy reference.
endpoints: modelRoute.route.endpoints
} );
} else {
// This is a model without a parent in its route.
modelClassName = wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
modelClassName = mapping.models[ modelClassName ] || modelClassName;
loadingObjects.models[ modelClassName ] = wp.api.WPApiBaseModel.extend( {
// Function that returns a constructed url based on the ID.
url: function() {
var url = routeModel.get( 'apiRoot' ) +
routeModel.get( 'versionString' ) +
( ( 'me' === routeName ) ? 'users/me' : routeName );
if ( ! _.isUndefined( this.get( 'id' ) ) ) {
url += '/' + this.get( 'id' );
}
return url;
},
// Track nonces at the Endpoint level.
nonce: function() {
return routeModel.get( 'nonce' );
},
endpointModel: routeModel,
// Include a reference to the original route object.
route: modelRoute,
// Include a reference to the original class name.
name: modelClassName,
// Include the array of route methods for easy reference.
methods: modelRoute.route.methods,
// Include the array of route endpoints for easy reference.
endpoints: modelRoute.route.endpoints
} );
}
// Add defaults to the new model, pulled form the endpoint.
wp.api.utils.decorateFromRoute(
modelRoute.route.endpoints,
loadingObjects.models[ modelClassName ],
routeModel.get( 'versionString' )
);
} );
/**
* Construct the collections.
*
* Base the class name on the route endpoint.
*/
_.each( collectionRoutes, function( collectionRoute ) {
// Extract the name and any parent from the route.
var collectionClassName, modelClassName,
routeName = collectionRoute.index.slice( collectionRoute.index.lastIndexOf( '/' ) + 1 ),
parentName = wp.api.utils.extractRoutePart( collectionRoute.index, 1, routeModel.get( 'versionString' ), false );
// If the collection has a parent in its route, add that to its class name.
if ( '' !== parentName && parentName !== routeName && routeModel.get( 'versionString' ) !== parentName ) {
collectionClassName = wp.api.utils.capitalizeAndCamelCaseDashes( parentName ) + wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
modelClassName = mapping.models[ collectionClassName ] || collectionClassName;
collectionClassName = mapping.collections[ collectionClassName ] || collectionClassName;
loadingObjects.collections[ collectionClassName ] = wp.api.WPApiBaseCollection.extend( {
// Function that returns a constructed url passed on the parent.
url: function() {
return routeModel.get( 'apiRoot' ) + routeModel.get( 'versionString' ) +
parentName + '/' + this.parent + '/' +
routeName;
},
// Specify the model that this collection contains.
model: function( attrs, options ) {
return new loadingObjects.models[ modelClassName ]( attrs, options );
},
// Track nonces at the Endpoint level.
nonce: function() {
return routeModel.get( 'nonce' );
},
endpointModel: routeModel,
// Include a reference to the original class name.
name: collectionClassName,
// Include a reference to the original route object.
route: collectionRoute,
// Include the array of route methods for easy reference.
methods: collectionRoute.route.methods
} );
} else {
// This is a collection without a parent in its route.
collectionClassName = wp.api.utils.capitalizeAndCamelCaseDashes( routeName );
modelClassName = mapping.models[ collectionClassName ] || collectionClassName;
collectionClassName = mapping.collections[ collectionClassName ] || collectionClassName;
loadingObjects.collections[ collectionClassName ] = wp.api.WPApiBaseCollection.extend( {
// For the url of a root level collection, use a string.
url: function() {
return routeModel.get( 'apiRoot' ) + routeModel.get( 'versionString' ) + routeName;
},
// Specify the model that this collection contains.
model: function( attrs, options ) {
return new loadingObjects.models[ modelClassName ]( attrs, options );
},
// Track nonces at the Endpoint level.
nonce: function() {
return routeModel.get( 'nonce' );
},
endpointModel: routeModel,
// Include a reference to the original class name.
name: collectionClassName,
// Include a reference to the original route object.
route: collectionRoute,
// Include the array of route methods for easy reference.
methods: collectionRoute.route.methods
} );
}
// Add defaults to the new model, pulled form the endpoint.
wp.api.utils.decorateFromRoute( collectionRoute.route.endpoints, loadingObjects.collections[ collectionClassName ] );
} );
// Add mixins and helpers for each of the models.
_.each( loadingObjects.models, function( model, index ) {
loadingObjects.models[ index ] = wp.api.utils.addMixinsAndHelpers( model, index, loadingObjects );
} );
// Set the routeModel models and collections.
routeModel.set( 'models', loadingObjects.models );
routeModel.set( 'collections', loadingObjects.collections );
}
} );
wp.api.endpoints = new Backbone.Collection();
/**
* Initialize the wp-api, optionally passing the API root.
*
* @param {Object} [args]
* @param {string} [args.nonce] The nonce. Optional, defaults to wpApiSettings.nonce.
* @param {string} [args.apiRoot] The api root. Optional, defaults to wpApiSettings.root.
* @param {string} [args.versionString] The version string. Optional, defaults to wpApiSettings.root.
* @param {Object} [args.schema] The schema. Optional, will be fetched from API if not provided.
*/
wp.api.init = function( args ) {
var endpoint, attributes = {}, deferred, promise;
args = args || {};
attributes.nonce = _.isString( args.nonce ) ? args.nonce : ( wpApiSettings.nonce || '' );
attributes.apiRoot = args.apiRoot || wpApiSettings.root || '/wp-json';
attributes.versionString = args.versionString || wpApiSettings.versionString || 'wp/v2/';
attributes.schema = args.schema || null;
attributes.modelEndpoints = args.modelEndpoints || [ 'me', 'settings' ];
if ( ! attributes.schema && attributes.apiRoot === wpApiSettings.root && attributes.versionString === wpApiSettings.versionString ) {
attributes.schema = wpApiSettings.schema;
}
if ( ! initializedDeferreds[ attributes.apiRoot + attributes.versionString ] ) {
// Look for an existing copy of this endpoint.
endpoint = wp.api.endpoints.findWhere( { 'apiRoot': attributes.apiRoot, 'versionString': attributes.versionString } );
if ( ! endpoint ) {
endpoint = new Endpoint( attributes );
}
deferred = jQuery.Deferred();
promise = deferred.promise();
endpoint.schemaConstructed.done( function( resolvedEndpoint ) {
wp.api.endpoints.add( resolvedEndpoint );
// Map the default endpoints, extending any already present items (including Schema model).
wp.api.models = _.extend( wp.api.models, resolvedEndpoint.get( 'models' ) );
wp.api.collections = _.extend( wp.api.collections, resolvedEndpoint.get( 'collections' ) );
deferred.resolve( resolvedEndpoint );
} );
initializedDeferreds[ attributes.apiRoot + attributes.versionString ] = promise;
}
return initializedDeferreds[ attributes.apiRoot + attributes.versionString ];
};
/**
* Construct the default endpoints and add to an endpoints collection.
*/
// The wp.api.init function returns a promise that will resolve with the endpoint once it is ready.
wp.api.loadPromise = wp.api.init();
} )();