add tests

.eslintrc

@@ -1,5 +1,4 @@
 {
-  "parser": "babel-eslint",
   "rules": {
     "camelcase": 0,
     "consistent-return": 0,
@@ -11,10 +10,7 @@
     "object-shorthand": 0,
     "one-var": 0,
     "quotes": [2, "single"],
-    "react/jsx-uses-react": 1,
-    "react/jsx-uses-vars": 1,
     "semi": [2, "always"],
-    "strict": [2, "never"],
     "wrap-iife": [2, "inside"],
     "new-cap": [2, {"capIsNew": false}],
     "no-alert": 0,
@@ -43,11 +39,7 @@
     "mocha": true,
     "es6": true
   },
-  "plugins": [
-    "react"
-  ],
   "ecmaFeatures": {
-    "jsx": true,
     "modules": true
   }
 }

README.md

@@ -1,6 +1,6 @@
 # dot-prop-immutable
 
-{{description}}.
+Immutable version of dot-prop with some extensions. The immutable part is inspired by React Immutability Helpers.
 
 	npm install dot-prop-immutable
 

index.js

@@ -0,0 +1,58 @@
+'use strict';
+
+function setProp(obj, prop, value) {
+	prop = typeof prop === 'string' ? prop.split('.') : prop;
+
+	var setPropImmutableRec = function(obj, prop, value, i) {
+		var head = prop[i];
+
+		if (prop.length - 1 !== i) {
+			if (Array.isArray(obj)) {
+				if (/^\+?\d+$/.test(head) && obj.length > head) {
+					return [...obj.slice(0, head), setPropImmutableRec(obj[head] || {}, prop, value, i + 1), ...obj.slice(head + 1)];
+				} else {
+					let clone = [...obj];
+					clone[head] = setPropImmutableRec(obj[head] || {}, prop, value, i + 1);
+					return clone;
+				}
+
+			} else {
+				return Object.assign({}, obj, {[head]: setPropImmutableRec(obj[head] || {}, prop, value, i + 1)});
+			}
+		}
+
+		if (Array.isArray(obj)) {
+			if (/^\+?\d+$/.test(head) && obj.length > head) {
+				return [...obj.slice(0, head), typeof value === 'function' ? value(obj[head]) : value, ...obj.slice(head + 1)];
+			} else {
+				let clone = [...obj];
+				clone[head] = typeof value === 'function' ? value(obj[head]) : value;
+				return clone;
+			}
+
+		} else {
+
+			return Object.assign({}, obj, {[head]: typeof value === 'function' ? value(obj[head]) : value});
+		}
+	};
+
+	return setPropImmutableRec(obj, prop, value, 0);
+}
+
+function getProp(obj, prop) {
+	prop = typeof prop === 'string' ? prop.split('.') : prop;
+
+	for (var i = 0; i < prop.length; i++) {
+		if (typeof obj !== 'object') {
+			return undefined;
+		}
+		obj = obj[prop[i]];
+	}
+
+	return obj;
+}
+
+module.exports = {
+	set: setProp,
+	get: getProp
+};

package.json

@@ -1,10 +1,14 @@
 {
   "name": "dot-prop-immutable",
   "version": "1.0.0",
-  "description": "{{description}}",
+  "description": "Immutable version of dot-prop with some extensions",
   "main": "index.js",
+  "engines": {
+    "node": "4.2.0",
+    "npm": "3.3.6"
+  },
   "scripts": {
-    "test": "mocha"
+    "test": "mocha --harmony"
   },
   "repository": {
     "type": "git",
@@ -14,9 +18,21 @@
   "bugs": {
     "url": "https://github.com/debitoor/dot-prop-immutable/issues"
   },
+  "keywords": [
+    "immutable",
+    "obj",
+    "object",
+    "prop",
+    "property",
+    "dot",
+    "path",
+    "get",
+    "access",
+    "notation",
+    "dot-prop"
+  ],
   "homepage": "https://github.com/debitoor/dot-prop-immutable",
   "devDependencies": {
-    "babel-eslint": "^4.1.3",
     "chai": "^2.2.0",
     "eslint-plugin-react": "^3.5.1",
     "mocha": "^2.1.1",

test/.eslintrc

@@ -0,0 +1,10 @@
+{
+	"rules": {
+		"no-unused-expressions": 0,
+		"no-unused-vars": 0,
+		"no-trailing-spaces": 0
+	},
+	"globals": {
+    	"expect": true
+	}
+}