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@ngxs/storage-plugin

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extendable storage plugin for @ngxs/store

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{"version":3,"file":"ngxs-storage-plugin-internals.mjs","sources":["../../../packages/storage-plugin/internals/src/symbols.ts","../../../packages/storage-plugin/internals/src/storage-key.ts","../../../packages/storage-plugin/internals/src/ngxs-storage-plugin-internals.ts"],"sourcesContent":["import { InjectionToken, inject } from '@angular/core';\n\nimport { StorageKey } from './storage-key';\n\n/**\n * The following key is used to store the entire serialized\n * state when no specific state is provided.\n */\nexport const ɵDEFAULT_STATE_KEY = '@@STATE';\n\ndeclare const ngDevMode: boolean;\n\nexport enum StorageOption {\n LocalStorage,\n SessionStorage\n}\n\nexport interface NgxsStoragePluginOptions {\n /**\n * Keys for the state slice to store in the storage engine.\n */\n keys: '*' | StorageKey[];\n\n /**\n * The namespace is used to prefix the key for the state slice. This is\n * necessary when running micro frontend applications which use storage plugin.\n * The namespace will eliminate the conflict between keys that might overlap.\n */\n namespace?: string;\n\n /**\n * Storage engine to use. Deaults to localStorage but can provide\n *\n * sessionStorage or custom implementation of the StorageEngine interface\n */\n storage?: StorageOption;\n\n /**\n * Migration strategies.\n */\n migrations?: {\n /**\n * Version to key off.\n */\n version: number | string;\n\n /**\n * Method to migrate the previous state.\n */\n migrate: (state: any) => any;\n\n /**\n * Key to migrate.\n */\n key?: string;\n\n /**\n * Key for the version. Defaults to 'version'.\n */\n versionKey?: string;\n }[];\n\n /**\n * Serailizer for the object before its pushed into the engine.\n */\n serialize?(obj: any): string;\n\n /**\n * Deserializer for the object before its pulled out of the engine.\n */\n deserialize?(obj: any): any;\n\n /**\n * Method to alter object before serialization.\n */\n beforeSerialize?(obj: any, key: string): any;\n\n /**\n * Method to alter object after deserialization.\n */\n afterDeserialize?(obj: any, key: string): any;\n}\n\nexport interface ɵNgxsTransformedStoragePluginOptions extends NgxsStoragePluginOptions {\n keys: StorageKey[];\n}\n\nexport const ɵUSER_OPTIONS = new InjectionToken<NgxsStoragePluginOptions>(\n typeof ngDevMode !== 'undefined' && ngDevMode ? 'USER_OPTIONS' : ''\n);\n\n// Determines whether all states in the NGXS registry should be persisted or not.\nexport const ɵALL_STATES_PERSISTED = new InjectionToken<boolean>(\n typeof ngDevMode !== 'undefined' && ngDevMode ? 'ALL_STATES_PERSISTED' : '',\n {\n factory: () => inject(ɵUSER_OPTIONS).keys === '*'\n }\n);\n\nexport const ɵNGXS_STORAGE_PLUGIN_OPTIONS =\n new InjectionToken<ɵNgxsTransformedStoragePluginOptions>(\n typeof ngDevMode !== 'undefined' && ngDevMode ? 'NGXS_STORAGE_PLUGIN_OPTIONS' : ''\n );\n\nexport const STORAGE_ENGINE = new InjectionToken<StorageEngine>(\n typeof ngDevMode !== 'undefined' && ngDevMode ? 'STORAGE_ENGINE' : ''\n);\n\nexport interface StorageEngine {\n getItem(key: string): any;\n setItem(key: string, value: any): void;\n}\n","import { InjectionToken, Type } from '@angular/core';\nimport { StateToken } from '@ngxs/store';\nimport { ɵhasOwnProperty, ɵMETA_OPTIONS_KEY, ɵStateClass } from '@ngxs/store/internals';\n\nimport { StorageEngine } from './symbols';\n\n/** This enables the user to provide a storage engine per individual key. */\nexport interface KeyWithExplicitEngine {\n key: string | ɵStateClass | StateToken<any>;\n engine: Type<StorageEngine> | InjectionToken<StorageEngine> | (() => StorageEngine);\n}\n\n/** Determines whether the provided key has the following structure. */\nexport function ɵisKeyWithExplicitEngine(key: any): key is KeyWithExplicitEngine {\n return !!key?.engine;\n}\n\n/** Determines whether the engine is a factory function rather than a class or InjectionToken. */\nexport function ɵisEngineFactory(\n engine: Type<StorageEngine> | InjectionToken<StorageEngine> | (() => StorageEngine)\n): engine is () => StorageEngine {\n return !(engine instanceof InjectionToken) && !engine.toString().startsWith('class');\n}\n\n/**\n * This tuples all of the possible types allowed in the `key` property.\n * This is not exposed publicly and used internally only.\n */\nexport type StorageKey = string | ɵStateClass | StateToken<any> | KeyWithExplicitEngine;\n\nexport function ɵextractStringKey(storageKey: StorageKey): string {\n // Extract the actual key out of the `{ key, engine }` structure.\n if (ɵisKeyWithExplicitEngine(storageKey)) {\n storageKey = storageKey.key;\n }\n\n // Given the `storageKey` is a class, for instance, `AuthState`.\n // We should retrieve its metadata and the `name` property.\n // The `name` property might be a string (state name) or a state token.\n if (ɵhasOwnProperty(storageKey, ɵMETA_OPTIONS_KEY)) {\n storageKey = (storageKey as any)[ɵMETA_OPTIONS_KEY].name;\n }\n\n return storageKey instanceof StateToken ? storageKey.getName() : <string>storageKey;\n}\n","/**\n * Generated bundle index. 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