WordPress/wp-includes/js/wp-api.js
audrasjb b6760ea0ce Docs: Align spelling with American English.
This changeset updates the use of "-ise" suffix to American English "-ize" and replaces "behaviour" with "behavior" in various docblocks.

Follow-up to [54663], [54664], [55043].

Props kebbet.
See #56811, #56792.

Built from https://develop.svn.wordpress.org/trunk@55044


git-svn-id: http://core.svn.wordpress.org/trunk@54577 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2023-01-10 09:30:13 +00:00

1551 lines
46 KiB
JavaScript
Raw Permalink Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* @output wp-includes/js/wp-api.js
*/
(function( window, undefined ) {
'use strict';
/**
* Initialize 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 thats 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 embedded 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, embeddedObjects, attributes, deferred;
deferred = jQuery.Deferred();
embeddedObjects = 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 ( embeddedObjects[ embedSourcePoint ] ) {
attributes = _.findWhere( embeddedObjects[ 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 embedded object for _embed data.
* @param {string} embedIndex An additional 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, otherwise fetches the
* data from the server.
*
* @return {Deferred.promise} promise Resolves to a wp.api.collections[ collectionName ]
* collection.
*/
var postId, embeddedObjects, getObjects,
classProperties = '',
properties = '',
deferred = jQuery.Deferred();
postId = parentModel.get( 'id' );
embeddedObjects = 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( embeddedObjects[ embedSourcePoint ] ) ) {
// Some embeds also include an index offset, check for that.
if ( _.isUndefined( embedIndex ) ) {
// Use the embed source point directly.
properties = embeddedObjects[ embedSourcePoint ];
} else {
// Add the index to the embed source point.
properties = embeddedObjects[ 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 didnt 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 Backbone'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 + '/' +
( ( _.isUndefined( this.parent ) || '' === this.parent ) ?
( _.isUndefined( this.get( 'parent_post' ) ) ? '' : this.get( 'parent_post' ) + '/' ) :
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();
} )();