init

.gitignore

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+.vscode
+.idea
+dist
+node_modules

.npmignore

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+.vscode
+.idea
+node_modules
+src
+.gitignore
+tsconfig.json

LICENSE

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+MIT License
+
+Copyright (c) 2025 Markus Morgenstern
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

package-lock.json

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+{
+  "name": "@apihub24/in-memory-repository",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@apihub24/in-memory-repository",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "@apihub24/repository": "^1.0.1"
+      },
+      "devDependencies": {
+        "typescript": "^5.9.2"
+      }
+    },
+    "node_modules/@apihub24/repository": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@apihub24/repository/-/repository-1.0.1.tgz",
+      "integrity": "sha512-ex3Z+lxsHtVKDTolJQqLHswq9SKfXzM/hWv17zsrhKqJwuGxO7CeBFM60aiuApZX9NqBhGAkPGGj9jt+F/Y9HQ==",
+      "license": "MIT"
+    },
+    "node_modules/typescript": {
+      "version": "5.9.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.9.2.tgz",
+      "integrity": "sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=14.17"
+      }
+    }
+  }
+}

package.json

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+{
+  "name": "@apihub24/in-memory-repository",
+  "version": "1.0.0",
+  "description": "",
+  "main": "dist/index.js",
+  "types": "./dist/index.d.ts",
+  "scripts": {
+    "build": "tsc"
+  },
+  "dependencies": {
+    "@apihub24/repository": "^1.0.1"
+  },
+  "devDependencies": {
+    "typescript": "^5.9.2"
+  },
+  "keywords": [],
+  "author": {
+    "email": "markusmorgenstern87@outlook.de",
+    "name": "Markus Morgenstern",
+    "url": "https://git.apihub24.de/"
+  },
+  "license": "MIT",
+  "publishConfig": {
+    "access": "public"
+  }
+}

src/in.memory.repository.ts

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+import { Repository } from '@apihub24/repository';
+
+interface IdModel {
+  id: string;
+}
+
+export class InMemoryRepository<TModel extends IdModel>
+  implements Repository<TModel>
+{
+  private source: TModel[] = [];
+
+  getBy(filter: (model: TModel) => boolean): Promise<TModel[]> {
+    const result: TModel[] = [];
+    for (const s of this.source) {
+      if (filter(s)) {
+        result.push(s);
+      }
+    }
+    return Promise.resolve(result);
+  }
+
+  save(models: TModel[]): Promise<TModel[]> {
+    for (const model of models) {
+      if (!model?.id) {
+        model.id = crypto.randomUUID().toString();
+      }
+      this.source = this.source.filter((x) => x.id !== model.id);
+      this.source.push(model);
+    }
+    return Promise.resolve(this.source);
+  }
+
+  deleteBy(filter: (model: TModel) => boolean): Promise<boolean> {
+    this.source = this.source.filter(filter);
+    return Promise.resolve(true);
+  }
+}

src/index.ts

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+export * from './in.memory.repository';

tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "nodenext",
+    "moduleResolution": "nodenext",
+    "resolvePackageJsonExports": true,
+    "esModuleInterop": true,
+    "isolatedModules": true,
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
+    "target": "ES2023",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "baseUrl": "./",
+    "incremental": true,
+    "skipLibCheck": true,
+    "strictNullChecks": true,
+    "forceConsistentCasingInFileNames": true,
+    "noImplicitAny": false,
+    "strictBindCallApply": false,
+    "noFallthroughCasesInSwitch": false
+  },
+  "include": ["./src"]
+}