Fix Prettier styling

package.json

@@ -73,7 +73,7 @@
     "mocha-webpack": "^1.0.1",
     "nyc": "^13.1.0",
     "pre-commit": "^1.2.2",
-    "prettier": "^1.12.1",
+    "prettier": "^1.15.2",
     "prompt": "^1.0.0",
     "replace-in-file": "^3.1.0",
     "rimraf": "^2.5.2",

src/file/numbering/numbering.spec.ts

@@ -25,7 +25,9 @@ describe("Numbering", () => {
                 { "w:multiLevelType": [{ _attr: { "w:val": "hybridMultilevel" } }] },
             ]);
 
-            abstractNums.filter((el) => el["w:lvl"]).forEach((el, ix) => {
+            abstractNums
+                .filter((el) => el["w:lvl"])
+                .forEach((el, ix) => {
                     expect(Object.keys(el)).to.have.lengthOf(1);
                     expect(Object.keys(el["w:lvl"]).sort()).to.deep.equal(["_attr", "w:start", "w:lvlJc", "w:numFmt", "w:pPr", "w:rPr"]);
                     expect(el["w:lvl"]).to.have.deep.members([