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WordPress/wp-includes/js/dist/annotations.js

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this["wp"] = this["wp"] || {}; this["wp"]["annotations"] =
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/******/ ({
/***/ "1ZqX":
/***/ (function(module, exports) {
(function() { module.exports = window["wp"]["data"]; }());
/***/ }),
/***/ "23Y4":
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
// ESM COMPAT FLAG
__webpack_require__.r(__webpack_exports__);
// EXPORTS
__webpack_require__.d(__webpack_exports__, "store", function() { return /* reexport */ store; });
// NAMESPACE OBJECT: ./node_modules/@wordpress/annotations/build-module/store/selectors.js
var selectors_namespaceObject = {};
__webpack_require__.r(selectors_namespaceObject);
__webpack_require__.d(selectors_namespaceObject, "__experimentalGetAnnotationsForBlock", function() { return __experimentalGetAnnotationsForBlock; });
__webpack_require__.d(selectors_namespaceObject, "__experimentalGetAllAnnotationsForBlock", function() { return __experimentalGetAllAnnotationsForBlock; });
__webpack_require__.d(selectors_namespaceObject, "__experimentalGetAnnotationsForRichText", function() { return __experimentalGetAnnotationsForRichText; });
__webpack_require__.d(selectors_namespaceObject, "__experimentalGetAnnotations", function() { return __experimentalGetAnnotations; });
// NAMESPACE OBJECT: ./node_modules/@wordpress/annotations/build-module/store/actions.js
var actions_namespaceObject = {};
__webpack_require__.r(actions_namespaceObject);
__webpack_require__.d(actions_namespaceObject, "__experimentalAddAnnotation", function() { return __experimentalAddAnnotation; });
__webpack_require__.d(actions_namespaceObject, "__experimentalRemoveAnnotation", function() { return __experimentalRemoveAnnotation; });
__webpack_require__.d(actions_namespaceObject, "__experimentalUpdateAnnotationRange", function() { return __experimentalUpdateAnnotationRange; });
__webpack_require__.d(actions_namespaceObject, "__experimentalRemoveAnnotationsBySource", function() { return __experimentalRemoveAnnotationsBySource; });
// EXTERNAL MODULE: external ["wp","richText"]
var external_wp_richText_ = __webpack_require__("qRz9");
// EXTERNAL MODULE: external ["wp","i18n"]
var external_wp_i18n_ = __webpack_require__("l3Sj");
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/store/constants.js
/**
* The identifier for the data store.
*
* @type {string}
*/
const STORE_NAME = 'core/annotations';
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/format/annotation.js
/**
* WordPress dependencies
*/
const FORMAT_NAME = 'core/annotation';
const ANNOTATION_ATTRIBUTE_PREFIX = 'annotation-text-';
/**
* Internal dependencies
*/
/**
* Applies given annotations to the given record.
*
* @param {Object} record The record to apply annotations to.
* @param {Array} annotations The annotation to apply.
* @return {Object} A record with the annotations applied.
*/
function applyAnnotations(record) {
let annotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
annotations.forEach(annotation => {
let {
start,
end
} = annotation;
if (start > record.text.length) {
start = record.text.length;
}
if (end > record.text.length) {
end = record.text.length;
}
const className = ANNOTATION_ATTRIBUTE_PREFIX + annotation.source;
const id = ANNOTATION_ATTRIBUTE_PREFIX + annotation.id;
record = Object(external_wp_richText_["applyFormat"])(record, {
type: FORMAT_NAME,
attributes: {
className,
id
}
}, start, end);
});
return record;
}
/**
* Removes annotations from the given record.
*
* @param {Object} record Record to remove annotations from.
* @return {Object} The cleaned record.
*/
function removeAnnotations(record) {
return Object(external_wp_richText_["removeFormat"])(record, 'core/annotation', 0, record.text.length);
}
/**
* Retrieves the positions of annotations inside an array of formats.
*
* @param {Array} formats Formats with annotations in there.
* @return {Object} ID keyed positions of annotations.
*/
function retrieveAnnotationPositions(formats) {
const positions = {};
formats.forEach((characterFormats, i) => {
characterFormats = characterFormats || [];
characterFormats = characterFormats.filter(format => format.type === FORMAT_NAME);
characterFormats.forEach(format => {
let {
id
} = format.attributes;
id = id.replace(ANNOTATION_ATTRIBUTE_PREFIX, '');
if (!positions.hasOwnProperty(id)) {
positions[id] = {
start: i
};
} // Annotations refer to positions between characters.
// Formats refer to the character themselves.
// So we need to adjust for that here.
positions[id].end = i + 1;
});
});
return positions;
}
/**
* Updates annotations in the state based on positions retrieved from RichText.
*
* @param {Array} annotations The annotations that are currently applied.
* @param {Array} positions The current positions of the given annotations.
* @param {Object} actions
* @param {Function} actions.removeAnnotation Function to remove an annotation from the state.
* @param {Function} actions.updateAnnotationRange Function to update an annotation range in the state.
*/
function updateAnnotationsWithPositions(annotations, positions, _ref) {
let {
removeAnnotation,
updateAnnotationRange
} = _ref;
annotations.forEach(currentAnnotation => {
const position = positions[currentAnnotation.id]; // If we cannot find an annotation, delete it.
if (!position) {
// Apparently the annotation has been removed, so remove it from the state:
// Remove...
removeAnnotation(currentAnnotation.id);
return;
}
const {
start,
end
} = currentAnnotation;
if (start !== position.start || end !== position.end) {
updateAnnotationRange(currentAnnotation.id, position.start, position.end);
}
});
}
const annotation_annotation = {
name: FORMAT_NAME,
title: Object(external_wp_i18n_["__"])('Annotation'),
tagName: 'mark',
className: 'annotation-text',
attributes: {
className: 'class',
id: 'id'
},
edit() {
return null;
},
__experimentalGetPropsForEditableTreePreparation(select, _ref2) {
let {
richTextIdentifier,
blockClientId
} = _ref2;
return {
annotations: select(STORE_NAME).__experimentalGetAnnotationsForRichText(blockClientId, richTextIdentifier)
};
},
__experimentalCreatePrepareEditableTree(_ref3) {
let {
annotations
} = _ref3;
return (formats, text) => {
if (annotations.length === 0) {
return formats;
}
let record = {
formats,
text
};
record = applyAnnotations(record, annotations);
return record.formats;
};
},
__experimentalGetPropsForEditableTreeChangeHandler(dispatch) {
return {
removeAnnotation: dispatch(STORE_NAME).__experimentalRemoveAnnotation,
updateAnnotationRange: dispatch(STORE_NAME).__experimentalUpdateAnnotationRange
};
},
__experimentalCreateOnChangeEditableValue(props) {
return formats => {
const positions = retrieveAnnotationPositions(formats);
const {
removeAnnotation,
updateAnnotationRange,
annotations
} = props;
updateAnnotationsWithPositions(annotations, positions, {
removeAnnotation,
updateAnnotationRange
});
};
}
};
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/format/index.js
/**
* WordPress dependencies
*/
/**
* Internal dependencies
*/
const {
name: format_name,
...settings
} = annotation_annotation;
Object(external_wp_richText_["registerFormatType"])(format_name, settings);
// EXTERNAL MODULE: external ["wp","hooks"]
var external_wp_hooks_ = __webpack_require__("g56x");
// EXTERNAL MODULE: external ["wp","data"]
var external_wp_data_ = __webpack_require__("1ZqX");
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/block/index.js
/**
* WordPress dependencies
*/
/**
* Internal dependencies
*/
/**
* Adds annotation className to the block-list-block component.
*
* @param {Object} OriginalComponent The original BlockListBlock component.
* @return {Object} The enhanced component.
*/
const addAnnotationClassName = OriginalComponent => {
return Object(external_wp_data_["withSelect"])((select, _ref) => {
let {
clientId,
className
} = _ref;
const annotations = select(STORE_NAME).__experimentalGetAnnotationsForBlock(clientId);
return {
className: annotations.map(annotation => {
return 'is-annotated-by-' + annotation.source;
}).concat(className).filter(Boolean).join(' ')
};
})(OriginalComponent);
};
Object(external_wp_hooks_["addFilter"])('editor.BlockListBlock', 'core/annotations', addAnnotationClassName);
// EXTERNAL MODULE: external "lodash"
var external_lodash_ = __webpack_require__("YLtl");
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/store/reducer.js
/**
* External dependencies
*/
/**
* Filters an array based on the predicate, but keeps the reference the same if
* the array hasn't changed.
*
* @param {Array} collection The collection to filter.
* @param {Function} predicate Function that determines if the item should stay
* in the array.
* @return {Array} Filtered array.
*/
function filterWithReference(collection, predicate) {
const filteredCollection = collection.filter(predicate);
return collection.length === filteredCollection.length ? collection : filteredCollection;
}
/**
* Verifies whether the given annotations is a valid annotation.
*
* @param {Object} annotation The annotation to verify.
* @return {boolean} Whether the given annotation is valid.
*/
function isValidAnnotationRange(annotation) {
return Object(external_lodash_["isNumber"])(annotation.start) && Object(external_lodash_["isNumber"])(annotation.end) && annotation.start <= annotation.end;
}
/**
* Reducer managing annotations.
*
* @param {Object} state The annotations currently shown in the editor.
* @param {Object} action Dispatched action.
*
* @return {Array} Updated state.
*/
function reducer_annotations() {
var _state$blockClientId;
let state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
let action = arguments.length > 1 ? arguments[1] : undefined;
switch (action.type) {
case 'ANNOTATION_ADD':
const blockClientId = action.blockClientId;
const newAnnotation = {
id: action.id,
blockClientId,
richTextIdentifier: action.richTextIdentifier,
source: action.source,
selector: action.selector,
range: action.range
};
if (newAnnotation.selector === 'range' && !isValidAnnotationRange(newAnnotation.range)) {
return state;
}
const previousAnnotationsForBlock = (_state$blockClientId = state === null || state === void 0 ? void 0 : state[blockClientId]) !== null && _state$blockClientId !== void 0 ? _state$blockClientId : [];
return { ...state,
[blockClientId]: [...previousAnnotationsForBlock, newAnnotation]
};
case 'ANNOTATION_REMOVE':
return Object(external_lodash_["mapValues"])(state, annotationsForBlock => {
return filterWithReference(annotationsForBlock, annotation => {
return annotation.id !== action.annotationId;
});
});
case 'ANNOTATION_UPDATE_RANGE':
return Object(external_lodash_["mapValues"])(state, annotationsForBlock => {
let hasChangedRange = false;
const newAnnotations = annotationsForBlock.map(annotation => {
if (annotation.id === action.annotationId) {
hasChangedRange = true;
return { ...annotation,
range: {
start: action.start,
end: action.end
}
};
}
return annotation;
});
return hasChangedRange ? newAnnotations : annotationsForBlock;
});
case 'ANNOTATION_REMOVE_SOURCE':
return Object(external_lodash_["mapValues"])(state, annotationsForBlock => {
return filterWithReference(annotationsForBlock, annotation => {
return annotation.source !== action.source;
});
});
}
return state;
}
/* harmony default export */ var reducer = (reducer_annotations);
// EXTERNAL MODULE: ./node_modules/rememo/es/rememo.js
var rememo = __webpack_require__("pPDe");
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/store/selectors.js
/**
* External dependencies
*/
/**
* Shared reference to an empty array for cases where it is important to avoid
* returning a new array reference on every invocation, as in a connected or
* other pure component which performs `shouldComponentUpdate` check on props.
* This should be used as a last resort, since the normalized data should be
* maintained by the reducer result in state.
*
* @type {Array}
*/
const EMPTY_ARRAY = [];
/**
* Returns the annotations for a specific client ID.
*
* @param {Object} state Editor state.
* @param {string} clientId The ID of the block to get the annotations for.
*
* @return {Array} The annotations applicable to this block.
*/
const __experimentalGetAnnotationsForBlock = Object(rememo["a" /* default */])((state, blockClientId) => {
var _state$blockClientId;
return ((_state$blockClientId = state === null || state === void 0 ? void 0 : state[blockClientId]) !== null && _state$blockClientId !== void 0 ? _state$blockClientId : []).filter(annotation => {
return annotation.selector === 'block';
});
}, (state, blockClientId) => {
var _state$blockClientId2;
return [(_state$blockClientId2 = state === null || state === void 0 ? void 0 : state[blockClientId]) !== null && _state$blockClientId2 !== void 0 ? _state$blockClientId2 : EMPTY_ARRAY];
});
function __experimentalGetAllAnnotationsForBlock(state, blockClientId) {
var _state$blockClientId3;
return (_state$blockClientId3 = state === null || state === void 0 ? void 0 : state[blockClientId]) !== null && _state$blockClientId3 !== void 0 ? _state$blockClientId3 : EMPTY_ARRAY;
}
/**
* Returns the annotations that apply to the given RichText instance.
*
* Both a blockClientId and a richTextIdentifier are required. This is because
* a block might have multiple `RichText` components. This does mean that every
* block needs to implement annotations itself.
*
* @param {Object} state Editor state.
* @param {string} blockClientId The client ID for the block.
* @param {string} richTextIdentifier Unique identifier that identifies the given RichText.
* @return {Array} All the annotations relevant for the `RichText`.
*/
const __experimentalGetAnnotationsForRichText = Object(rememo["a" /* default */])((state, blockClientId, richTextIdentifier) => {
var _state$blockClientId4;
return ((_state$blockClientId4 = state === null || state === void 0 ? void 0 : state[blockClientId]) !== null && _state$blockClientId4 !== void 0 ? _state$blockClientId4 : []).filter(annotation => {
return annotation.selector === 'range' && richTextIdentifier === annotation.richTextIdentifier;
}).map(annotation => {
const {
range,
...other
} = annotation;
return { ...range,
...other
};
});
}, (state, blockClientId) => {
var _state$blockClientId5;
return [(_state$blockClientId5 = state === null || state === void 0 ? void 0 : state[blockClientId]) !== null && _state$blockClientId5 !== void 0 ? _state$blockClientId5 : EMPTY_ARRAY];
});
/**
* Returns all annotations in the editor state.
*
* @param {Object} state Editor state.
* @return {Array} All annotations currently applied.
*/
function __experimentalGetAnnotations(state) {
return Object(external_lodash_["flatMap"])(state, annotations => {
return annotations;
});
}
// EXTERNAL MODULE: ./node_modules/uuid/dist/esm-browser/v4.js + 4 modules
var v4 = __webpack_require__("7Cbv");
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/store/actions.js
/**
* External dependencies
*/
/**
* @typedef WPAnnotationRange
*
* @property {number} start The offset where the annotation should start.
* @property {number} end The offset where the annotation should end.
*/
/**
* Adds an annotation to a block.
*
* The `block` attribute refers to a block ID that needs to be annotated.
* `isBlockAnnotation` controls whether or not the annotation is a block
* annotation. The `source` is the source of the annotation, this will be used
* to identity groups of annotations.
*
* The `range` property is only relevant if the selector is 'range'.
*
* @param {Object} annotation The annotation to add.
* @param {string} annotation.blockClientId The blockClientId to add the annotation to.
* @param {string} annotation.richTextIdentifier Identifier for the RichText instance the annotation applies to.
* @param {WPAnnotationRange} annotation.range The range at which to apply this annotation.
* @param {string} [annotation.selector="range"] The way to apply this annotation.
* @param {string} [annotation.source="default"] The source that added the annotation.
* @param {string} [annotation.id] The ID the annotation should have. Generates a UUID by default.
*
* @return {Object} Action object.
*/
function __experimentalAddAnnotation(_ref) {
let {
blockClientId,
richTextIdentifier = null,
range = null,
selector = 'range',
source = 'default',
id = Object(v4["a" /* default */])()
} = _ref;
const action = {
type: 'ANNOTATION_ADD',
id,
blockClientId,
richTextIdentifier,
source,
selector
};
if (selector === 'range') {
action.range = range;
}
return action;
}
/**
* Removes an annotation with a specific ID.
*
* @param {string} annotationId The annotation to remove.
*
* @return {Object} Action object.
*/
function __experimentalRemoveAnnotation(annotationId) {
return {
type: 'ANNOTATION_REMOVE',
annotationId
};
}
/**
* Updates the range of an annotation.
*
* @param {string} annotationId ID of the annotation to update.
* @param {number} start The start of the new range.
* @param {number} end The end of the new range.
*
* @return {Object} Action object.
*/
function __experimentalUpdateAnnotationRange(annotationId, start, end) {
return {
type: 'ANNOTATION_UPDATE_RANGE',
annotationId,
start,
end
};
}
/**
* Removes all annotations of a specific source.
*
* @param {string} source The source to remove.
*
* @return {Object} Action object.
*/
function __experimentalRemoveAnnotationsBySource(source) {
return {
type: 'ANNOTATION_REMOVE_SOURCE',
source
};
}
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/store/index.js
/**
* WordPress dependencies
*/
/**
* Internal dependencies
*/
/**
* Module Constants
*/
/**
* Store definition for the annotations namespace.
*
* @see https://github.com/WordPress/gutenberg/blob/HEAD/packages/data/README.md#createReduxStore
*
* @type {Object}
*/
const store = Object(external_wp_data_["createReduxStore"])(STORE_NAME, {
reducer: reducer,
selectors: selectors_namespaceObject,
actions: actions_namespaceObject
});
Object(external_wp_data_["register"])(store);
// CONCATENATED MODULE: ./node_modules/@wordpress/annotations/build-module/index.js
/**
* Internal dependencies
*/
/***/ }),
/***/ "7Cbv":
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
// CONCATENATED MODULE: ./node_modules/uuid/dist/esm-browser/rng.js
// Unique ID creation requires a high quality random # generator. In the browser we therefore
// require the crypto API and do not support built-in fallback to lower quality random number
// generators (like Math.random()).
var getRandomValues;
var rnds8 = new Uint8Array(16);
function rng() {
// lazy load so that environments that need to polyfill have a chance to do so
if (!getRandomValues) {
// getRandomValues needs to be invoked in a context where "this" is a Crypto implementation. Also,
// find the complete implementation of crypto (msCrypto) on IE11.
getRandomValues = typeof crypto !== 'undefined' && crypto.getRandomValues && crypto.getRandomValues.bind(crypto) || typeof msCrypto !== 'undefined' && typeof msCrypto.getRandomValues === 'function' && msCrypto.getRandomValues.bind(msCrypto);
if (!getRandomValues) {
throw new Error('crypto.getRandomValues() not supported. See https://github.com/uuidjs/uuid#getrandomvalues-not-supported');
}
}
return getRandomValues(rnds8);
}
// CONCATENATED MODULE: ./node_modules/uuid/dist/esm-browser/regex.js
/* harmony default export */ var regex = (/^(?:[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}|00000000-0000-0000-0000-000000000000)$/i);
// CONCATENATED MODULE: ./node_modules/uuid/dist/esm-browser/validate.js
function validate(uuid) {
return typeof uuid === 'string' && regex.test(uuid);
}
/* harmony default export */ var esm_browser_validate = (validate);
// CONCATENATED MODULE: ./node_modules/uuid/dist/esm-browser/stringify.js
/**
* Convert array of 16 byte values to UUID string format of the form:
* XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
*/
var byteToHex = [];
for (var stringify_i = 0; stringify_i < 256; ++stringify_i) {
byteToHex.push((stringify_i + 0x100).toString(16).substr(1));
}
function stringify(arr) {
var offset = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
// Note: Be careful editing this code! It's been tuned for performance
// and works in ways you may not expect. See https://github.com/uuidjs/uuid/pull/434
var uuid = (byteToHex[arr[offset + 0]] + byteToHex[arr[offset + 1]] + byteToHex[arr[offset + 2]] + byteToHex[arr[offset + 3]] + '-' + byteToHex[arr[offset + 4]] + byteToHex[arr[offset + 5]] + '-' + byteToHex[arr[offset + 6]] + byteToHex[arr[offset + 7]] + '-' + byteToHex[arr[offset + 8]] + byteToHex[arr[offset + 9]] + '-' + byteToHex[arr[offset + 10]] + byteToHex[arr[offset + 11]] + byteToHex[arr[offset + 12]] + byteToHex[arr[offset + 13]] + byteToHex[arr[offset + 14]] + byteToHex[arr[offset + 15]]).toLowerCase(); // Consistency check for valid UUID. If this throws, it's likely due to one
// of the following:
// - One or more input array values don't map to a hex octet (leading to
// "undefined" in the uuid)
// - Invalid input values for the RFC `version` or `variant` fields
if (!esm_browser_validate(uuid)) {
throw TypeError('Stringified UUID is invalid');
}
return uuid;
}
/* harmony default export */ var esm_browser_stringify = (stringify);
// CONCATENATED MODULE: ./node_modules/uuid/dist/esm-browser/v4.js
function v4(options, buf, offset) {
options = options || {};
var rnds = options.random || (options.rng || rng)(); // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
rnds[6] = rnds[6] & 0x0f | 0x40;
rnds[8] = rnds[8] & 0x3f | 0x80; // Copy bytes to buffer, if provided
if (buf) {
offset = offset || 0;
for (var i = 0; i < 16; ++i) {
buf[offset + i] = rnds[i];
}
return buf;
}
return esm_browser_stringify(rnds);
}
/* harmony default export */ var esm_browser_v4 = __webpack_exports__["a"] = (v4);
/***/ }),
/***/ "YLtl":
/***/ (function(module, exports) {
(function() { module.exports = window["lodash"]; }());
/***/ }),
/***/ "g56x":
/***/ (function(module, exports) {
(function() { module.exports = window["wp"]["hooks"]; }());
/***/ }),
/***/ "l3Sj":
/***/ (function(module, exports) {
(function() { module.exports = window["wp"]["i18n"]; }());
/***/ }),
/***/ "pPDe":
/***/ (function(module, __webpack_exports__, __webpack_require__) {
"use strict";
var LEAF_KEY, hasWeakMap;
/**
* Arbitrary value used as key for referencing cache object in WeakMap tree.
*
* @type {Object}
*/
LEAF_KEY = {};
/**
* Whether environment supports WeakMap.
*
* @type {boolean}
*/
hasWeakMap = typeof WeakMap !== 'undefined';
/**
* Returns the first argument as the sole entry in an array.
*
* @param {*} value Value to return.
*
* @return {Array} Value returned as entry in array.
*/
function arrayOf( value ) {
return [ value ];
}
/**
* Returns true if the value passed is object-like, or false otherwise. A value
* is object-like if it can support property assignment, e.g. object or array.
*
* @param {*} value Value to test.
*
* @return {boolean} Whether value is object-like.
*/
function isObjectLike( value ) {
return !! value && 'object' === typeof value;
}
/**
* Creates and returns a new cache object.
*
* @return {Object} Cache object.
*/
function createCache() {
var cache = {
clear: function() {
cache.head = null;
},
};
return cache;
}
/**
* Returns true if entries within the two arrays are strictly equal by
* reference from a starting index.
*
* @param {Array} a First array.
* @param {Array} b Second array.
* @param {number} fromIndex Index from which to start comparison.
*
* @return {boolean} Whether arrays are shallowly equal.
*/
function isShallowEqual( a, b, fromIndex ) {
var i;
if ( a.length !== b.length ) {
return false;
}
for ( i = fromIndex; i < a.length; i++ ) {
if ( a[ i ] !== b[ i ] ) {
return false;
}
}
return true;
}
/**
* Returns a memoized selector function. The getDependants function argument is
* called before the memoized selector and is expected to return an immutable
* reference or array of references on which the selector depends for computing
* its own return value. The memoize cache is preserved only as long as those
* dependant references remain the same. If getDependants returns a different
* reference(s), the cache is cleared and the selector value regenerated.
*
* @param {Function} selector Selector function.
* @param {Function} getDependants Dependant getter returning an immutable
* reference or array of reference used in
* cache bust consideration.
*
* @return {Function} Memoized selector.
*/
/* harmony default export */ __webpack_exports__["a"] = (function( selector, getDependants ) {
var rootCache, getCache;
// Use object source as dependant if getter not provided
if ( ! getDependants ) {
getDependants = arrayOf;
}
/**
* Returns the root cache. If WeakMap is supported, this is assigned to the
* root WeakMap cache set, otherwise it is a shared instance of the default
* cache object.
*
* @return {(WeakMap|Object)} Root cache object.
*/
function getRootCache() {
return rootCache;
}
/**
* Returns the cache for a given dependants array. When possible, a WeakMap
* will be used to create a unique cache for each set of dependants. This
* is feasible due to the nature of WeakMap in allowing garbage collection
* to occur on entries where the key object is no longer referenced. Since
* WeakMap requires the key to be an object, this is only possible when the
* dependant is object-like. The root cache is created as a hierarchy where
* each top-level key is the first entry in a dependants set, the value a
* WeakMap where each key is the next dependant, and so on. This continues
* so long as the dependants are object-like. If no dependants are object-
* like, then the cache is shared across all invocations.
*
* @see isObjectLike
*
* @param {Array} dependants Selector dependants.
*
* @return {Object} Cache object.
*/
function getWeakMapCache( dependants ) {
var caches = rootCache,
isUniqueByDependants = true,
i, dependant, map, cache;
for ( i = 0; i < dependants.length; i++ ) {
dependant = dependants[ i ];
// Can only compose WeakMap from object-like key.
if ( ! isObjectLike( dependant ) ) {
isUniqueByDependants = false;
break;
}
// Does current segment of cache already have a WeakMap?
if ( caches.has( dependant ) ) {
// Traverse into nested WeakMap.
caches = caches.get( dependant );
} else {
// Create, set, and traverse into a new one.
map = new WeakMap();
caches.set( dependant, map );
caches = map;
}
}
// We use an arbitrary (but consistent) object as key for the last item
// in the WeakMap to serve as our running cache.
if ( ! caches.has( LEAF_KEY ) ) {
cache = createCache();
cache.isUniqueByDependants = isUniqueByDependants;
caches.set( LEAF_KEY, cache );
}
return caches.get( LEAF_KEY );
}
// Assign cache handler by availability of WeakMap
getCache = hasWeakMap ? getWeakMapCache : getRootCache;
/**
* Resets root memoization cache.
*/
function clear() {
rootCache = hasWeakMap ? new WeakMap() : createCache();
}
// eslint-disable-next-line jsdoc/check-param-names
/**
* The augmented selector call, considering first whether dependants have
* changed before passing it to underlying memoize function.
*
* @param {Object} source Source object for derivation.
* @param {...*} extraArgs Additional arguments to pass to selector.
*
* @return {*} Selector result.
*/
function callSelector( /* source, ...extraArgs */ ) {
var len = arguments.length,
cache, node, i, args, dependants;
// Create copy of arguments (avoid leaking deoptimization).
args = new Array( len );
for ( i = 0; i < len; i++ ) {
args[ i ] = arguments[ i ];
}
dependants = getDependants.apply( null, args );
cache = getCache( dependants );
// If not guaranteed uniqueness by dependants (primitive type or lack
// of WeakMap support), shallow compare against last dependants and, if
// references have changed, destroy cache to recalculate result.
if ( ! cache.isUniqueByDependants ) {
if ( cache.lastDependants && ! isShallowEqual( dependants, cache.lastDependants, 0 ) ) {
cache.clear();
}
cache.lastDependants = dependants;
}
node = cache.head;
while ( node ) {
// Check whether node arguments match arguments
if ( ! isShallowEqual( node.args, args, 1 ) ) {
node = node.next;
continue;
}
// At this point we can assume we've found a match
// Surface matched node to head if not already
if ( node !== cache.head ) {
// Adjust siblings to point to each other.
node.prev.next = node.next;
if ( node.next ) {
node.next.prev = node.prev;
}
node.next = cache.head;
node.prev = null;
cache.head.prev = node;
cache.head = node;
}
// Return immediately
return node.val;
}
// No cached value found. Continue to insertion phase:
node = {
// Generate the result from original function
val: selector.apply( null, args ),
};
// Avoid including the source object in the cache.
args[ 0 ] = null;
node.args = args;
// Don't need to check whether node is already head, since it would
// have been returned above already if it was
// Shift existing head down list
if ( cache.head ) {
cache.head.prev = node;
node.next = cache.head;
}
cache.head = node;
return node.val;
}
callSelector.getDependants = getDependants;
callSelector.clear = clear;
clear();
return callSelector;
});
/***/ }),
/***/ "qRz9":
/***/ (function(module, exports) {
(function() { module.exports = window["wp"]["richText"]; }());
/***/ })
/******/ });
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