@wordpress/core-data/build-module/queried-data/selectors.mjs.map

Access to and manipulation of core WordPress entities.

{
  "version": 3,
  "sources": ["../../src/queried-data/selectors.js"],
  "sourcesContent": ["/**\n * External dependencies\n */\nimport EquivalentKeyMap from 'equivalent-key-map';\n\n/**\n * WordPress dependencies\n */\nimport { createSelector } from '@wordpress/data';\n\n/**\n * Internal dependencies\n */\nimport getQueryParts from './get-query-parts';\nimport { setNestedValue } from '../utils';\n\n/**\n * Cache of state keys to EquivalentKeyMap where the inner map tracks queries\n * to their resulting items set. WeakMap allows garbage collection on expired\n * state references.\n *\n * @type {WeakMap<Object,EquivalentKeyMap>}\n */\nconst queriedItemsCacheByState = new WeakMap();\n\n/**\n * Returns items for a given query, or null if the items are not known.\n *\n * @param {Object}  state State object.\n * @param {?Object} query Optional query.\n *\n * @return {?Array} Query items.\n */\nfunction getQueriedItemsUncached( state, query ) {\n\tconst { stableKey, page, perPage, include, fields, context } =\n\t\tgetQueryParts( query );\n\tlet itemIds;\n\n\tif ( state.queries?.[ context ]?.[ stableKey ] ) {\n\t\titemIds = state.queries[ context ][ stableKey ].itemIds;\n\t}\n\n\tif ( ! itemIds ) {\n\t\treturn null;\n\t}\n\n\tconst startOffset = perPage === -1 ? 0 : ( page - 1 ) * perPage;\n\tconst endOffset =\n\t\tperPage === -1\n\t\t\t? itemIds.length\n\t\t\t: Math.min( startOffset + perPage, itemIds.length );\n\n\tconst items = [];\n\tfor ( let i = startOffset; i < endOffset; i++ ) {\n\t\tconst itemId = itemIds[ i ];\n\t\tif ( Array.isArray( include ) && ! include.includes( itemId ) ) {\n\t\t\tcontinue;\n\t\t}\n\t\tif ( itemId === undefined ) {\n\t\t\tcontinue;\n\t\t}\n\t\t// Having a target item ID doesn't guarantee that this object has been queried.\n\t\tif ( ! state.items[ context ]?.hasOwnProperty( itemId ) ) {\n\t\t\treturn null;\n\t\t}\n\n\t\tconst item = state.items[ context ][ itemId ];\n\n\t\tlet filteredItem;\n\t\tif ( Array.isArray( fields ) ) {\n\t\t\tfilteredItem = {};\n\n\t\t\tfor ( let f = 0; f < fields.length; f++ ) {\n\t\t\t\tconst field = fields[ f ].split( '.' );\n\t\t\t\tlet value = item;\n\t\t\t\tfield.forEach( ( fieldName ) => {\n\t\t\t\t\tvalue = value?.[ fieldName ];\n\t\t\t\t} );\n\n\t\t\t\tsetNestedValue( filteredItem, field, value );\n\t\t\t}\n\t\t} else {\n\t\t\t// If expecting a complete item, validate that completeness, or\n\t\t\t// otherwise abort.\n\t\t\tif ( ! state.itemIsComplete[ context ]?.[ itemId ] ) {\n\t\t\t\treturn null;\n\t\t\t}\n\n\t\t\tfilteredItem = item;\n\t\t}\n\n\t\titems.push( filteredItem );\n\t}\n\n\treturn items;\n}\n\n/**\n * Returns items for a given query, or null if the items are not known. Caches\n * result both per state (by reference) and per query (by deep equality).\n * The caching approach is intended to be durable to query objects which are\n * deeply but not referentially equal, since otherwise:\n *\n * `getQueriedItems( state, {} ) !== getQueriedItems( state, {} )`\n *\n * @param {Object}  state State object.\n * @param {?Object} query Optional query.\n *\n * @return {?Array} Query items.\n */\nexport const getQueriedItems = createSelector( ( state, query = {} ) => {\n\tlet queriedItemsCache = queriedItemsCacheByState.get( state );\n\tif ( queriedItemsCache ) {\n\t\tconst queriedItems = queriedItemsCache.get( query );\n\t\tif ( queriedItems !== undefined ) {\n\t\t\treturn queriedItems;\n\t\t}\n\t} else {\n\t\tqueriedItemsCache = new EquivalentKeyMap();\n\t\tqueriedItemsCacheByState.set( state, queriedItemsCache );\n\t}\n\n\tconst items = getQueriedItemsUncached( state, query );\n\tqueriedItemsCache.set( query, items );\n\treturn items;\n} );\n\nexport function getQueriedTotalItems( state, query = {} ) {\n\tconst { stableKey, context } = getQueryParts( query );\n\n\treturn state.queries?.[ context ]?.[ stableKey ]?.meta?.totalItems ?? null;\n}\n\nexport function getQueriedTotalPages( state, query = {} ) {\n\tconst { stableKey, context } = getQueryParts( query );\n\n\treturn state.queries?.[ context ]?.[ stableKey ]?.meta?.totalPages ?? null;\n}\n"],
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