Merge pull request #21629 from urish/beats

[beats] Add typings

types/beats/beats-tests.ts

@@ -0,0 +1,11 @@
+import beats = require('beats');
+
+const bins: beats.Bin[] = [
+    { lo: 0, hi: 512, threshold: 0, decay: 0.005 },
+    { lo: 512, hi: 1024, threshold: 0, decay: 0.005 },
+];
+
+const detect = beats(bins, 1);
+
+const frequencies = new Uint8Array(1024);
+const result = detect(frequencies);

types/beats/index.d.ts

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+// Type definitions for beats 0.0
+// Project: https://github.com/hughsk/beats/
+// Definitions by: Uri Shaked <https://github.com/urish>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = beats;
+
+declare function beats(bins: ReadonlyArray<beats.Bin>, minSeparation?: number): (frequencies: Uint8Array | Float32Array | ReadonlyArray<number>, dt?: number) => Float32Array;
+
+declare namespace beats {
+    interface Bin {
+        lo: number;
+        hi: number;
+        threshold: number;
+        decay: number;
+    }
+}

types/beats/tsconfig.json

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

types/beats/tslint.json

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