objectset.deepValue added

amida-tech · Mar 4, 2015 · 1c9453f · 1c9453f
1 parent 533f635
commit 1c9453f
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diff --git a/RELEASENOTES.md b/RELEASENOTES.md
@@ -1,3 +1,7 @@
+# v1.4.1 - TBD
+
+-objectset.deepValue(obj, deepProperty, value)
+
 # v1.4.0 - February 27, 2015
 
 This is the initial release of blue-button-util.js library.  It includes javascript utility methods.

diff --git a/lib/objectset.js b/lib/objectset.js
@@ -17,3 +17,22 @@ exports.compact = function compact(obj) {
 };
 
 exports.merge = lodash.merge;
+
+exports.deepValue = function (obj, deepProperty, value) {
+    if ((!object.exists(obj)) || (typeof obj !== 'object')) {
+        return null;
+    }
+    var currentObj = obj;
+    var propertyPieces = deepProperty.split('.');
+    var lastIndex = propertyPieces.length - 1;
+    for (var i = 0; i < lastIndex; ++i) {
+        var propertyPiece = propertyPieces[i];
+        var nextObj = currentObj[propertyPiece];
+        if ((!object.exists(nextObj)) || (typeof nextObj !== 'object')) {
+            currentObj[propertyPiece] = nextObj = {};
+        }
+        currentObj = nextObj;
+    }
+    currentObj[propertyPieces[lastIndex]] = value;
+    return obj;
+};
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "blue-button-util",
-    "version": "1.4.0",
+    "version": "1.4.1",
     "description": "Common methods for Amida-Tech repos",
     "main": "./index.js",
     "directories": {

diff --git a/test/test-objectset.js b/test/test-objectset.js
@@ -49,3 +49,109 @@ describe('objectset.compact', function () {
         expect(r.inh).to.not.exist();
     });
 });
+
+describe('objsectset.deepValue', function () {
+    it('null input', function () {
+        var r = objectset.deepValue(null, 'primary.secondory', 5);
+        expect(r).to.equal(null);
+    });
+
+    it('not object input', function () {
+        var r = objectset.deepValue(null, 'primary.secondary', "value");
+        expect(r).to.equal(null);
+    });
+
+    it('undefined input', function () {
+        var r = objectset.deepValue(null, 'primary.secondary', undefined);
+        expect(r).to.equal(null);
+    });
+
+    it('basic', function () {
+        var obj = {};
+        var r = objectset.deepValue(obj, 'a.b', 1);
+        expect(r).to.equal(obj);
+        expect(obj).to.deep.equal({
+            a: {
+                b: 1
+            }
+        });
+        r = objectset.deepValue(obj, 'a.c.d', {
+            d: 1
+        });
+        expect(r).to.equal(obj);
+        expect(obj).to.deep.equal({
+            a: {
+                b: 1,
+                c: {
+                    d: {
+                        d: 1
+                    }
+                }
+            }
+        });
+        r = objectset.deepValue(obj, 'e', "");
+        expect(r).to.equal(obj);
+        expect(obj).to.deep.equal({
+            a: {
+                b: 1,
+                c: {
+                    d: {
+                        d: 1
+                    }
+                }
+            },
+            e: ""
+        });
+        r = objectset.deepValue(obj, 'a.b.e', "string");
+        expect(r).to.equal(obj);
+        expect(obj).to.deep.equal({
+            a: {
+                b: {
+                    e: "string"
+                },
+                c: {
+                    d: {
+                        d: 1
+                    }
+                }
+            },
+            e: ""
+        });
+        r = objectset.deepValue(obj, 'a.b.f', 88);
+        expect(r).to.equal(obj);
+        expect(obj).to.deep.equal({
+            a: {
+                b: {
+                    e: "string",
+                    f: 88
+                },
+                c: {
+                    d: {
+                        d: 1
+                    }
+                }
+            },
+            e: ""
+        });
+        r = objectset.deepValue(obj, 'a.b.e', {
+            e: 1
+        });
+        expect(r).to.equal(obj);
+        expect(obj).to.deep.equal({
+            a: {
+                b: {
+                    e: {
+                        e: 1
+                    },
+                    f: 88
+                },
+                c: {
+                    d: {
+                        d: 1
+                    }
+                }
+            },
+            e: ""
+        });
+    });
+});