@wordpress/data/build-module/resolvers-cache-middleware.mjs.map

Data module for WordPress.

{
  "version": 3,
  "sources": ["../src/resolvers-cache-middleware.js"],
  "sourcesContent": ["/** @typedef {import('./registry').WPDataRegistry} WPDataRegistry */\n\n/**\n * Creates a middleware handling resolvers cache invalidation.\n *\n * @param {WPDataRegistry} registry  Registry for which to create the middleware.\n * @param {string}         storeName Name of the store for which to create the middleware.\n *\n * @return {Function} Middleware function.\n */\nconst createResolversCacheMiddleware =\n\t( registry, storeName ) => () => ( next ) => ( action ) => {\n\t\tconst resolvers = registry.select( storeName ).getCachedResolvers();\n\t\tconst resolverEntries = Object.entries( resolvers );\n\t\tresolverEntries.forEach( ( [ selectorName, resolversByArgs ] ) => {\n\t\t\tconst resolver =\n\t\t\t\tregistry.stores[ storeName ]?.resolvers?.[ selectorName ];\n\t\t\tif ( ! resolver || ! resolver.shouldInvalidate ) {\n\t\t\t\treturn;\n\t\t\t}\n\t\t\tresolversByArgs.forEach( ( value, args ) => {\n\t\t\t\t// Works around a bug in `EquivalentKeyMap` where `map.delete` merely sets an entry value\n\t\t\t\t// to `undefined` and `map.forEach` then iterates also over these orphaned entries.\n\t\t\t\tif ( value === undefined ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// resolversByArgs is the map Map([ args ] => boolean) storing the cache resolution status for a given selector.\n\t\t\t\t// If the value is \"finished\" or \"error\" it means this resolver has finished its resolution which means we need\n\t\t\t\t// to invalidate it, if it's true it means it's inflight and the invalidation is not necessary.\n\t\t\t\tif ( value.status !== 'finished' && value.status !== 'error' ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif ( ! resolver.shouldInvalidate( action, ...args ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Trigger cache invalidation\n\t\t\t\tregistry\n\t\t\t\t\t.dispatch( storeName )\n\t\t\t\t\t.invalidateResolution( selectorName, args );\n\t\t\t} );\n\t\t} );\n\t\treturn next( action );\n\t};\n\nexport default createResolversCacheMiddleware;\n"],
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