Added more state functions.

lib/State.js

@@ -50,6 +50,11 @@ class State extends EventEmitter {
 	// Array methods
 	// ---------------------------------------------------------------------------
 
+	concat(key, values) {
+		const new_values = this.getArray(key).concat(values);
+		this.set(key, new_values);
+	}
+
 	getArray(key) {
 		const value = this.get(key, []);
 
@@ -113,6 +118,12 @@ class State extends EventEmitter {
 		return value;
 	}
 
+	splice(key, start, deleteCount, ...items) {
+		const array = this.getArray(key);
+		array.splice(start, deleteCount, ...items);
+		this.set(key, array);
+	}
+
 	unshift(key, value) {
 		this.getArray(key).unshift(value);
 		this.notifyUpdated(key, this.getArray(key));

lib/types.d.ts

@@ -47,13 +47,15 @@ declare module 'kortex' {
     // ---------------------------------------------------------------------------
     // Array methods
     // ---------------------------------------------------------------------------
+    concat(key: string, values: any[]): void;
     getArray(key: string): any[];
     filter(key: string, new_key: string, callback: Callback): void;
     map(key: string, new_key: string, callback: Callback): void;
     reduce(key: string, new_key: string, callback: Callback, starting_value: any): void;
     pop(key: string): any;
     push(key: string, value: any): void;
     shift(key: string): any;
+    splice(key: string, start: number, deleteCount: number, ...items: any[]): void;
     unshift(key: string, value: any): void;
 
     // ---------------------------------------------------------------------------

package.json

@@ -1,6 +1,6 @@
 {
   "name": "kortex",
-  "version": "3.2.0",
+  "version": "3.4.0",
   "description": "Dead simple state management for react.",
   "main": "lib",
   "author": "Ron Elliott <ronaldbelliott@gmail.com>",

test/State.test.js

@@ -126,6 +126,27 @@ describe('State', function() {
 	});
 
 	describe('Array', function() {
+		describe('concat', function () {
+			it('should throw an error if the given key is not an array', function () {
+				should(() => {
+					this.state.concat('nope', ['nope', 'yup', 'totes'])
+				}).throw('Key "nope" is not an array');
+			});
+
+			it('should push values into the given key', function () {
+				this.state.store.maybe.should.eql(['dunno', 'could be']);
+				this.state.concat('maybe', ['nope', 'yup', 'totes']);
+				this.state.store.maybe.should.eql(['dunno', 'could be', 'nope', 'yup', 'totes']);
+			});
+
+			it('should notify watchers of the key update', function () {
+				const spy = sinon.spy();
+				this.state.watch('maybe', spy);
+				this.state.concat('maybe', ['nope', 'yup', 'totes']);
+				spy.called.should.equal(true);
+			});
+		});
+
 		describe('getArray', function() {
 			it('should throw an error if the given key is not an array', function() {
 				should(() => {
@@ -309,6 +330,33 @@ describe('State', function() {
 			});
 		});
 
+		describe('splice', function () {
+			it('should throw an error if the given key is not an array', function () {
+				should(() => {
+					this.state.splice('nope', 1, 1)
+				}).throw('Key "nope" is not an array');
+			});
+
+			it('should remove items from the array', function () {
+				this.state.store.maybe.should.eql(['dunno', 'could be']);
+				this.state.splice('maybe', 1, 1);
+				this.state.store.maybe.should.eql(['dunno']);
+			});
+
+			it('should add items to the array', function () {
+				this.state.store.maybe.should.eql(['dunno', 'could be']);
+				this.state.splice('maybe', 1, 1, 'hah', 'again');
+				this.state.store.maybe.should.eql(['dunno', 'hah', 'again']);
+			});
+
+			it('should notify watchers of the key update', function () {
+				const spy = sinon.spy();
+				this.state.watch('maybe', spy);
+				this.state.splice('maybe', 1, 1);
+				spy.called.should.equal(true);
+			});
+		});
+
 		describe('unshift', function() {
 			it('should throw an error if the given key is not an array', function() {
 				should(() => {