add declarations for gc-stats

types/gc-stats/gc-stats-tests.ts

@@ -0,0 +1,11 @@
+import GCStats = require("gc-stats");
+import { GCStatistics } from "gc-stats";
+
+const gcStats = GCStats();
+
+gcStats.on("stats", (stats: GCStatistics) => {
+    const { gctype: gcType, startTime, endTime, before, after, diff } = stats;
+    const beforeMallocedMemory = before.mallocedMemory;
+    const afterMallocedMemory = after.mallocedMemory;
+    const diffMallocedMemory = diff.mallocedMemory;
+});

types/gc-stats/index.d.ts

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+// Type definitions for gc-stats 1.2
+// Project: https://github.com/dainis/node-gcstats#readme
+// Definitions by: Vitor Fernandes <https://github.com/vfernandestoptal>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import { EventEmitter } from "events";
+
+declare namespace GCStats {
+    interface MemoryStatistics {
+        totalHeapSize: number;
+        totalHeapExecutableSize: number;
+        usedHeapSize: number;
+        heapSizeLimit: number;
+        totalPhysicalSize: number;
+        totalAvailableSize: number;
+        mallocedMemory: number;
+        peakMallocedMemory: number;
+    }
+
+    interface GCStatistics {
+        startTime: number;
+        endTime: number;
+        pause: number;
+        pauseMS: number;
+        gctype: 1 | 2 | 4 | 8 | 15;
+        before: MemoryStatistics;
+        after: MemoryStatistics;
+        diff: MemoryStatistics;
+    }
+}
+
+declare function GCStats(): EventEmitter;
+
+export = GCStats;

types/gc-stats/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",
+        "gc-stats-tests.ts"
+    ]
+}

types/gc-stats/tslint.json

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+{ "extends": "dtslint/dt.json" }