Add type definitions for flat-cache (#35472)

types/flat-cache/flat-cache-tests.ts

@@ -0,0 +1,39 @@
+import * as flatCache from "flat-cache";
+
+flatCache.load(""); // $ExpectType Cache
+flatCache.load("", ""); // $ExpectType Cache
+
+flatCache.create(""); // $ExpectType Cache
+flatCache.create("", ""); // $ExpectType Cache
+
+flatCache.createFromFile(""); // $ExpectType Cache
+
+flatCache.clearCacheById(""); // $ExpectType boolean
+flatCache.clearCacheById("", ""); // $ExpectType boolean
+
+flatCache.clearAll(); // $ExpectType boolean
+flatCache.clearAll(""); // $ExpectType boolean
+
+const cache = flatCache.load(""); // $ExpectType Cache
+
+cache.load(""); // $ExpectType void
+cache.load("", ""); // $ExpectType void
+
+cache.loadFile(""); // $ExpectType void
+
+cache.all(); // $ExpectType { [key: string]: any; }
+
+cache.keys(); // $ExpectType string[]
+
+cache.setKey("", ""); // $ExpectType void
+
+cache.removeKey(""); // $ExpectType void
+
+cache.getKey(""); // $ExpectType any
+
+cache.save(); // $ExpectType void
+cache.save(true); // $ExpectType void
+
+cache.removeCacheFile(); // $ExpectType boolean
+
+cache.destroy(); // $ExpectType void

types/flat-cache/index.d.ts

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+// Type definitions for flat-cache 2.0
+// Project: https://github.com/royriojas/flat-cache#readme
+// Definitions by: Kevin Pollet <https://github.com/kevinpollet>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface Cache {
+    load(cacheId: string, cacheDir?: string): void;
+    loadFile(pathToFile: string): void;
+    all(): { [key: string]: any };
+    keys(): string[];
+    setKey(key: string, value: any): void;
+    removeKey(key: string): void;
+    getKey(key: string): any;
+    save(noPrune?: boolean): void;
+    removeCacheFile(): boolean;
+    destroy(): void;
+}
+
+export function load(cacheId: string, cacheDir?: string): Cache;
+
+export function create(cacheId: string, cacheDir?: string): Cache;
+
+export function createFromFile(filePath: string): Cache;
+
+export function clearCacheById(cacheId: string, cacheDir?: string): boolean;
+
+export function clearAll(cacheDir?: string): boolean;

types/flat-cache/tsconfig.json

@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "flat-cache-tests.ts"
+    ]
+}

types/flat-cache/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }