@ngx-cache/fs-storage

Fs storage for ngx-cache (server platform)

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Table of contents:

• Getting started
  • Installation - Examples - Related packages - Adding @ngx-cache/fs-storage to your project (SystemJS)
  • app.module configuration
• Settings - Setting up ServerCacheModule to use FsStorageStaticLoader
• Credits
• License

Getting started

Installation

You can install @ngx-cache/fs-storage using npm

npm install @ngx-cache/fs-storage --save

Note: You should have already installed @ngx-cache/core and @ngx-cache/platform-server.

Examples

• ng-seed/universal is an officially maintained seed project, showcasing common patterns and best practices for @ngx-cache/fs-storage.

Related packages

The following packages may be used in conjunction with @ngx-cache/fs-storage:

• @ngx-cache/core
• @ngx-cache/platform-server

Adding @ngx-cache/fs-storage to your project (SystemJS)

Add map for @ngx-cache/fs-storage in your systemjs.config

'@ngx-cache/fs-storage': 'node_modules/@ngx-cache/fs-storage/bundles/fs-storage.umd.min.js'

app.module configuration

• Repeat the app.module configuration steps at @ngx-cache/platform-server.
• Import FsStorageStaticLoader using the mapping '@ngx-cache/fs-storage', and proceed to settings.

Settings

You can call the forRoot static method using FsStorageStaticLoader. By default, it is configured to have the storagePath as './.temp/cache', and storageQuota is set to 5 MB.

You can customize this behavior (and ofc other settings) by supplying storagePath and storageQuota to FsStorageStaticLoader.

The following examples show the use of an exported function (instead of an inline function) for AoT compilation.

Setting up ServerCacheModule to use FsStorageStaticLoader

app.server.module.ts

...
import { CacheService, CACHE, STORAGE } from '@ngx-cache/core';
import { ServerCacheModule, FsCacheService } from '@ngx-cache/platform-server';
import { FsStorageLoader, FsStorageStaticLoader, FsStorageService } from '@ngx-cache/fs-storage';

...

export function fsStorageFactory(): FsStorageLoader {
  return new FsStorageStaticLoader({
    path: './.temp/cache',
    quota: 5 * 1024 * 1024
  });
}

@NgModule({
  declarations: [
    AppComponent,
    ...
  ],
  ...
  imports: [
    ...
    ServerStateTransferModule.forRoot(),
    ServerCacheModule.forRoot([
      {
        provide: CACHE,
        useClass: FsCacheService
      },
      {
        provide: STORAGE,
        useClass: FsStorageService
      },
      {
        provide: FsStorageLoader,
        useFactory: (fsStorageFactory)
      }
    ]),
  ],
  ...
  bootstrap: [AppComponent]
})
export class AppServerModule {
}

FsStorageStaticLoader has one parameter:

• providedSettings: FsStorageSettings : fs storage settings
  • path: string : storage path for cache files (by default, './.temp/cache')
  • quota: number : disk quota for cache files (by default, 5242880)

:+1: Yeah! @ngx-cache/fs-storage will now provide storage settings to @ngx-cache/platform-server.

Credits

• node-localstorage: A drop-in substitute for the browser native localStorage API that runs on node.js

License

The MIT License (MIT)

Copyright (c) 2019 Burak Tasci