Chore + Typo Correction:

* New Line at end.
* No trailing whitespaces (including within commentes.)
* Indenting in accordance with editorconfig.
* Corrected typo in comment in d3-random

d3-array/d3-array-tests.ts

@@ -1,6 +1,6 @@
 /**
  * Typescript definition tests for d3/d3-array module
- * 
+ *
  * Note: These tests are intended to test the definitions only
  * in the sense of typing and call signature consistency. They
  * are not intended as functional tests.
@@ -548,4 +548,4 @@ num = d3.thresholdFreedmanDiaconis([-1, 0, 1, 1, 3, 20, 234], -1, 234);
 
 num = d3.thresholdScott([-1, 0, 1, 1, 3, 20, 234], -1, 234);
 
-num = d3.thresholdSturges([-1, 0, 1, 1, 3, 20, 234]);
+num = d3.thresholdSturges([-1, 0, 1, 1, 3, 20, 234]);

d3-array/tsconfig.json

@@ -1,19 +1,19 @@
 {
-    "compilerOptions": {
-        "module": "commonjs",
-        "target": "es6",
-        "noImplicitAny": true,
-        "strictNullChecks": false,
-        "baseUrl": "../",
-        "typeRoots": [
-            "../"
-        ],
-        "types": [],
-        "noEmit": true,
-        "forceConsistentCasingInFileNames": true
-    },
-    "files": [
-        "index.d.ts",
-        "d3-array-tests.ts"
-    ]
-}
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "es6",
+    "noImplicitAny": true,
+    "strictNullChecks": false,
+    "baseUrl": "../",
+    "typeRoots": [
+      "../"
+    ],
+    "types": [],
+    "noEmit": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "files": [
+    "index.d.ts",
+    "d3-array-tests.ts"
+  ]
+}