[FEAT][FIX] jest + fixes #7 + custom value serializer

.travis.yml

@@ -1,8 +1,7 @@
 language: node_js
 node_js:
-  - "0.8"
-  # - "4"
-  # - "6"
-  # - "8"
+  - "6"
+  - "8"
   # - "9"
+  - "10"
 

.vscode/launch.json

@@ -0,0 +1,18 @@
+{
+  // Use IntelliSense to learn about possible attributes.
+  // Hover to view descriptions of existing attributes.
+  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "type": "node",
+      "request": "launch",
+      "name": "tests",
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "args": ["--runInBand", "--no-coverage"],
+      "env": {
+        "TZ": "UTC"
+      }
+    }
+  ]
+}

package.json

@@ -5,24 +5,30 @@
   "description": "converts a JS object into a nice and readable tree structure for the console",
   "license": "MIT",
   "scripts": {
-    "test": "./node_modules/vows/bin/vows --spec"
+    "test": "TZ=UTC ./node_modules/.bin/jest"
   },
   "main": "./treeify",
   "repository": {
     "type": "git",
     "url": "https://github.com/notatestuser/treeify.git"
   },
   "keywords": [
-    "object", "tree", "print", "console", "pretty"
+    "object",
+    "tree",
+    "print",
+    "console",
+    "pretty"
   ],
   "devDependencies": {
-    "vows": "git://github.com/Filirom1/vows.git#expect"
+    "jest": "^23.3.0"
   },
-  "licenses": [{
-    "type": "MIT",
-    "url": "http://lp.mit-license.org/"
-  }],
+  "licenses": [
+    {
+      "type": "MIT",
+      "url": "http://lp.mit-license.org/"
+    }
+  ],
   "engines": {
-    "node": ">=0.6"
+    "node": ">= 6"
   }
 }

test/__snapshots__/tree-test.spec.js.snap

@@ -0,0 +1,253 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`tree-test A tree created from a multi-level object when returned as a whole tree with values hidden produces correct output 1`] = `
+"
+├─ oranges
+│  └─ mandarin
+│     ├─ clementine
+│     └─ tangerine
+└─ apples
+   ├─ gala
+   └─ pink lady
+"
+`;
+
+exports[`tree-test A tree created from a multi-level object when returned as a whole tree with values shown produces correct output 1`] = `
+"
+├─ oranges
+│  └─ mandarin
+│     ├─ clementine
+│     └─ tangerine: so cheap and juicy!
+└─ apples
+   ├─ gala
+   └─ pink lady
+"
+`;
+
+exports[`tree-test A tree created from a multi-level object when returned as a whole tree with values shown using a custom serializer produces correct output 1`] = `
+"
+├─ oranges
+│  └─ mandarin
+│     ├─ clementine: [clementine – null]
+│     └─ tangerine: [tangerine – so cheap and juicy!]
+└─ apples
+   ├─ gala
+   └─ pink lady: [pink lady – null]
+"
+`;
+
+exports[`tree-test A tree created from a multi-level object when returned line-by-line with values hidden runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ oranges",
+  ],
+  Array [
+    "│  └─ mandarin",
+  ],
+  Array [
+    "│     ├─ clementine",
+  ],
+  Array [
+    "│     └─ tangerine",
+  ],
+  Array [
+    "└─ apples",
+  ],
+  Array [
+    "   ├─ gala",
+  ],
+  Array [
+    "   └─ pink lady",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from a multi-level object when returned line-by-line with values shown runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ oranges",
+  ],
+  Array [
+    "│  └─ mandarin",
+  ],
+  Array [
+    "│     ├─ clementine",
+  ],
+  Array [
+    "│     └─ tangerine: so cheap and juicy!",
+  ],
+  Array [
+    "└─ apples",
+  ],
+  Array [
+    "   ├─ gala",
+  ],
+  Array [
+    "   └─ pink lady",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from a multi-level object when returned line-by-line with values shown using a custom serializer runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ oranges",
+  ],
+  Array [
+    "│  └─ mandarin",
+  ],
+  Array [
+    "│     ├─ clementine: [clementine – null]",
+  ],
+  Array [
+    "│     └─ tangerine: [tangerine – so cheap and juicy!]",
+  ],
+  Array [
+    "└─ apples",
+  ],
+  Array [
+    "   ├─ gala",
+  ],
+  Array [
+    "   └─ pink lady: [pink lady – null]",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from a single-level object when returned as a whole tree with values hidden produces correct output 1`] = `
+"
+├─ apples
+└─ oranges
+"
+`;
+
+exports[`tree-test A tree created from a single-level object when returned as a whole tree with values shown produces correct output 1`] = `
+"
+├─ apples: gala
+└─ oranges: mandarin
+"
+`;
+
+exports[`tree-test A tree created from a single-level object when returned line-by-line with values hidden runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ apples",
+  ],
+  Array [
+    "└─ oranges",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from a single-level object when returned line-by-line with values shown runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ apples: gala",
+  ],
+  Array [
+    "└─ oranges: mandarin",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from an object containing various types when returned line-by-line with values shown runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ array",
+  ],
+  Array [
+    "│  ├─ 0: one",
+  ],
+  Array [
+    "│  └─ 1: two",
+  ],
+  Array [
+    "├─ numeric: 42",
+  ],
+  Array [
+    "├─ decimal: 42.24",
+  ],
+  Array [
+    "├─ bool: false",
+  ],
+  Array [
+    "├─ nil",
+  ],
+  Array [
+    "├─ undef: undefined",
+  ],
+  Array [
+    "└─ date: 2018-01-01T00:00:00.000Z",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from an object with circular references when returned line-by-line with values shown runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ one: one",
+  ],
+  Array [
+    "├─ two: two",
+  ],
+  Array [
+    "└─ three (circular ref.)",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from an object with empty prototype when returned as a whole tree with values hidden produces correct output 1`] = `
+"
+└─ foo
+"
+`;
+
+exports[`tree-test A tree created from an object with empty prototype when returned as a whole tree with values shown produces correct output 1`] = `
+"
+└─ foo: bar
+"
+`;
+
+exports[`tree-test A tree created from an object with not so circular references when returned line-by-line with values shown runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ one: one",
+  ],
+  Array [
+    "├─ two",
+  ],
+  Array [
+    "│  └─ four: four",
+  ],
+  Array [
+    "└─ three",
+  ],
+  Array [
+    "   └─ four: four",
+  ],
+]
+`;
+
+exports[`tree-test A tree created from an object with prototyped functions when returned as a whole tree with values shown produces correct output 1`] = `
+"
+└─ Friendly: stuff
+"
+`;
+
+exports[`tree-test A tree with functions when returned as a whole tree with values shown, but functions hidden produces correct output 1`] = `
+"
+├─ Friendly: stuff
+└─ Another: stuff
+"
+`;
+
+exports[`tree-test A tree with functions when returned line-by-line with values shown, but functions hidden runs the provided callback: calls 1`] = `
+Array [
+  Array [
+    "├─ Friendly",
+  ],
+  Array [
+    "└─ Another",
+  ],
+]
+`;