decomposition

Author: Quernest

flatten.js

@@ -1,18 +1,6 @@
 "use strict";
 
-function wrap(idxs = []) {
-  if (Array.isArray(idxs)) {
-    let line = "";
-
-    for (let i = 0; i < idxs.length; i++) {
-      line += `[${idxs[i]}]`;
-    }
-
-    return line;
-  }
-
-  return `[${idxs}]`;
-}
+const wrap = require('./wrap');
 
 function flatten(arr = []) {
   if (!Array.isArray(arr)) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "arr-flatten-unflatten",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "non-recursive method of flattening an array or arrays and unflattening the result",
   "main": "index.js",
   "author": "Quernest",
@@ -28,5 +28,8 @@
   },
   "devDependencies": {
     "jest": "^24.0.0"
+  },
+  "publishConfig": {
+    "registry": "https://npm.pkg.github.com/"
   }
 }

unflatten.test.js

@@ -1,9 +1,6 @@
 const unflatten = require("./unflatten");
 
 test("unflattens object", () => {
-  /**
-   * json-like object
-   */
   const json = {
     "[0]": 2,
     "[1]": 4,
@@ -15,9 +12,6 @@ test("unflattens object", () => {
     "[3]": 5
   };
 
-  /**
-   * expected result
-   */
   const arr = [2, 4, [8, [2, [32, 64]], 7], 5];
 
   expect(unflatten(json)).toMatchObject(arr);

wrap.js

@@ -0,0 +1,17 @@
+"use strict";
+
+function wrap(idxs = []) {
+  if (Array.isArray(idxs)) {
+    let line = "";
+
+    for (let i = 0; i < idxs.length; i++) {
+      line += `[${idxs[i]}]`;
+    }
+
+    return line;
+  }
+
+  return `[${idxs}]`;
+}
+
+module.exports = wrap;

wrap.test.js

@@ -0,0 +1,11 @@
+const wrap = require("./wrap");
+
+describe("wraps to brackets", () => {
+  it('for single index', () => {
+    expect(wrap(1)).toEqual('[1]');
+  });
+
+  it('for array of indexes', () => {
+    expect(wrap([1,2,3])).toEqual('[1][2][3]');
+  });
+});