From 168aebcf7068af8761c604bab715121b48b5d527 Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Wed, 14 Dec 2016 23:35:37 +0200
Subject: [PATCH 01/25] Update README.md

---
 README.md | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index d4cd8cf1..9255961f 100644
--- a/README.md
+++ b/README.md
@@ -554,20 +554,12 @@ Returns object of grouped by items by discriminator
 
 API: `array | groupBy: [string | Function]`
 
-```javascript
-import {GroupByPipe} from 'ng2-pipes/src/app/pipes/array/group-by';
-
-@Component({
-  // ...
-  providers: [GroupByPipe]
-})
-export class AppComponent {
-  constructor(private groupByPipe: GroupByPipe) {
-    // .. 
-    const arrayObject = [{elm: 'foo', value: 0}, {elm: 'bar', value: 1}, {elm: 'foo', value: 2}];
-    const groupedObject = groupByPipe.transform(arrayObject, 'elm')); 
-    // `groupedObject` -> Contains: {foo: [{elm: 'foo', value: 0}, {elm: 'foo', value: 2}], bar: [{elm: 'bar', value: 1}]}
-  }
+```typescript
+this.arrayObject = [{elm: 'foo', value: 0}, {elm: 'bar', value: 1}, {elm: 'foo', value: 2}];
+```
+
+```html
+<p>{{ arrayObject | groupBy: 'elm' }}</p> <!-- Output: "{foo: [{elm: 'foo', value: 0}, {elm: 'foo', value: 2}], bar: [{elm: 'bar', value: 1}]}" -->
 ```
 
 ## Object

From 5076b996db812e1ba6a6a9095f0b10d43bff98c7 Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Fri, 16 Dec 2016 01:46:30 +0200
Subject: [PATCH 02/25] style(): Code re-order

---
 src/app/pipes/array/flatten.ts       |  7 +++++--
 src/app/pipes/array/intersection.ts  |  8 ++++++--
 src/app/pipes/array/reverse.ts       | 11 ++++++-----
 src/app/pipes/array/union.ts         | 15 ++++++++-------
 src/app/pipes/boolean/is-defined.ts  |  3 ++-
 src/app/pipes/boolean/is-function.ts |  3 ++-
 src/app/pipes/boolean/is-object.ts   |  3 ++-
 src/app/pipes/boolean/is-string.ts   |  3 ++-
 src/app/pipes/math/bytes.ts          | 15 +++++++--------
 src/app/pipes/math/pow.ts            |  4 +++-
 src/app/pipes/math/sqrt.ts           |  4 +++-
 src/app/pipes/math/sum.ts            |  6 +++---
 src/app/pipes/object/invert-by.ts    | 11 +++++------
 src/app/pipes/string/scan.ts         |  2 +-
 src/app/pipes/string/shorten.ts      |  2 ++
 15 files changed, 57 insertions(+), 40 deletions(-)

diff --git a/src/app/pipes/array/flatten.ts b/src/app/pipes/array/flatten.ts
index f106b085..7e83f6f2 100644
--- a/src/app/pipes/array/flatten.ts
+++ b/src/app/pipes/array/flatten.ts
@@ -14,7 +14,10 @@ export class FlattenPipe implements PipeTransform {
   }
 
   private flatten(array: any[]): any[] {
-    return array.reduce((arr: any[], elm: any) => elm instanceof Array ?
-      arr.concat(this.flatten(elm)) : arr.concat(elm), []);
+    return array.reduce((arr: any[], elm: any) =>
+      Array.isArray(elm)
+        ? arr.concat(this.flatten(elm))
+        : arr.concat(elm)
+      , []);
   }
 }
diff --git a/src/app/pipes/array/intersection.ts b/src/app/pipes/array/intersection.ts
index 591718ec..5a4fb7a4 100644
--- a/src/app/pipes/array/intersection.ts
+++ b/src/app/pipes/array/intersection.ts
@@ -4,8 +4,12 @@ import {PipeTransform, Pipe} from '@angular/core';
 export class IntersectionPipe implements PipeTransform {
 
   transform(arr: any, ...args: any[]): any[] {
-    return !Array.isArray(arr) ? arr : args.reduce((newArr, currArr) => {
-      return newArr.filter(elm => !!~currArr.indexOf(elm))
+    if (!Array.isArray(arr)) {
+      return arr;
+    }
+
+    return args.reduce((newArr, currArr) => {
+      return newArr.filter(elm => !!~currArr.indexOf(elm));
     }, arr);
   }
 }
diff --git a/src/app/pipes/array/reverse.ts b/src/app/pipes/array/reverse.ts
index fc139570..a7d943e6 100644
--- a/src/app/pipes/array/reverse.ts
+++ b/src/app/pipes/array/reverse.ts
@@ -1,16 +1,17 @@
 import {PipeTransform, Pipe} from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
 
 @Pipe({name: 'reverse'})
 export class ReversePipe implements PipeTransform {
 
   transform(value: any): any
   {
-    if (typeof value === 'string') {
+    if (GeneralHelper.isString(value)) {
       return value.split('').reverse().join('');
     }
-    if (Array.isArray(value)) {
-      return value.reverse();
-    }
-    return value;
+
+    return Array.isArray(value)
+      ? value.reverse()
+      : value;
   }
 }
diff --git a/src/app/pipes/array/union.ts b/src/app/pipes/array/union.ts
index 25666b7e..f21162e6 100644
--- a/src/app/pipes/array/union.ts
+++ b/src/app/pipes/array/union.ts
@@ -4,14 +4,15 @@ import {PipeTransform, Pipe} from '@angular/core';
 export class UnionPipe implements PipeTransform {
 
   transform(arr: any, args: any[] = []): any[] {
-    return (!Array.isArray(arr) || !Array.isArray(args))
-      ? arr
-      : args.reduce((newArr, currArr) => {
+    if (!Array.isArray(arr) || !Array.isArray(args)) {
+      return arr;
+    }
+
+    return args.reduce((newArr, currArr) => {
         return newArr.concat(currArr.reduce((noDupArr, curr) => {
-            if (!~noDupArr.indexOf(curr) && !~newArr.indexOf(curr)) {
-              noDupArr.push(curr);
-            }
-            return noDupArr;
+            return (!~noDupArr.indexOf(curr) && !~newArr.indexOf(curr))
+              ? noDupArr.concat([curr])
+              : noDupArr;
           }, []));
       }, arr);
   }
diff --git a/src/app/pipes/boolean/is-defined.ts b/src/app/pipes/boolean/is-defined.ts
index ea296af6..5d3ccb63 100644
--- a/src/app/pipes/boolean/is-defined.ts
+++ b/src/app/pipes/boolean/is-defined.ts
@@ -1,9 +1,10 @@
 import {PipeTransform, Pipe} from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
 
 @Pipe({name: 'isDefined'})
 export class IsDefinedPipe implements PipeTransform {
 
   transform(value: any): boolean {
-    return typeof value !== 'undefined';
+    return !GeneralHelper.isUndefined(value);
   }
 }
diff --git a/src/app/pipes/boolean/is-function.ts b/src/app/pipes/boolean/is-function.ts
index 17244a3e..d6d94b02 100644
--- a/src/app/pipes/boolean/is-function.ts
+++ b/src/app/pipes/boolean/is-function.ts
@@ -1,9 +1,10 @@
 import {PipeTransform, Pipe} from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
 
 @Pipe({name: 'isFunction'})
 export class IsFunctionPipe implements PipeTransform {
 
   transform(value: any): boolean {
-    return typeof value === 'function';
+    return GeneralHelper.isFunction(value);
   }
 }
diff --git a/src/app/pipes/boolean/is-object.ts b/src/app/pipes/boolean/is-object.ts
index 796cfcbe..76fb92fb 100644
--- a/src/app/pipes/boolean/is-object.ts
+++ b/src/app/pipes/boolean/is-object.ts
@@ -1,9 +1,10 @@
 import {PipeTransform, Pipe} from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
 
 @Pipe({name: 'isObject'})
 export class IsObjectPipe implements PipeTransform {
 
   transform(value: any): boolean {
-    return value !== null && typeof value === 'object';
+    return GeneralHelper.isObject(value);
   }
 }
diff --git a/src/app/pipes/boolean/is-string.ts b/src/app/pipes/boolean/is-string.ts
index 7ac3d2de..e0ba4210 100644
--- a/src/app/pipes/boolean/is-string.ts
+++ b/src/app/pipes/boolean/is-string.ts
@@ -1,9 +1,10 @@
 import {PipeTransform, Pipe} from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
 
 @Pipe({name: 'isString'})
 export class IsStringPipe implements PipeTransform {
 
   transform(value: any): boolean {
-    return typeof value === 'string';
+    return GeneralHelper.isString(value);
   }
 }
diff --git a/src/app/pipes/math/bytes.ts b/src/app/pipes/math/bytes.ts
index 046bf2bb..345b334a 100644
--- a/src/app/pipes/math/bytes.ts
+++ b/src/app/pipes/math/bytes.ts
@@ -3,20 +3,19 @@ import GeneralHelper from '../helpers/helpers';
 
 @Pipe({name: 'bytes'})
 export class BytesPipe implements PipeTransform {
+  private dictionary: Array<{max: number, type: string}> = [
+    { max: 1e3, type: 'B' },
+    { max: 1e6, type: 'KB' },
+    { max: 1e9, type: 'MB' },
+    { max: 1e12, type: 'GB' }
+  ];
 
   transform(value: number): string | number {
     if (!GeneralHelper.isNumberFinite(value)) {
       return NaN;
     }
 
-    const dictionary: Array<{max: number, type: string}> = [
-      { max: 1e3, type: 'B' },
-      { max: 1e6, type: 'KB' },
-      { max: 1e9, type: 'MB' },
-      { max: 1e12, type: 'GB' }
-    ];
-
-    const format = dictionary.find(d => value < d.max) || dictionary[dictionary.length - 1];
+    const format = this.dictionary.find(d => value < d.max) || this.dictionary[this.dictionary.length - 1];
     const num = value / (format.max / 1e3);
     return `${num} ${format.type}`;
   }
diff --git a/src/app/pipes/math/pow.ts b/src/app/pipes/math/pow.ts
index 6796d217..f554c945 100644
--- a/src/app/pipes/math/pow.ts
+++ b/src/app/pipes/math/pow.ts
@@ -4,6 +4,8 @@ import {PipeTransform, Pipe} from '@angular/core';
 export class PowerPipe implements PipeTransform {
 
   transform(num: number, power: number = 2): number {
-    return isNaN(num) ? num : num ** power;
+    return !isNaN(num)
+      ? num ** power
+      : num ;
   }
 }
diff --git a/src/app/pipes/math/sqrt.ts b/src/app/pipes/math/sqrt.ts
index e118e45d..7fad19e9 100644
--- a/src/app/pipes/math/sqrt.ts
+++ b/src/app/pipes/math/sqrt.ts
@@ -4,6 +4,8 @@ import {PipeTransform, Pipe} from '@angular/core';
 export class SqrtPipe implements PipeTransform {
 
   transform(num: number): number {
-    return isNaN(num) ? num : Math.sqrt(num);
+    return !isNaN(num)
+      ? Math.sqrt(num)
+      : num;
   }
 }
diff --git a/src/app/pipes/math/sum.ts b/src/app/pipes/math/sum.ts
index 991ba142..5a0947b8 100644
--- a/src/app/pipes/math/sum.ts
+++ b/src/app/pipes/math/sum.ts
@@ -4,8 +4,8 @@ import {PipeTransform, Pipe} from '@angular/core';
 export class SumPipe implements PipeTransform {
 
   transform(arr: number[]): number|number[] {
-    return !Array.isArray(arr)
-      ? arr
-      : arr.reduce((sum, curr) => sum + curr, 0);
+    return Array.isArray(arr)
+      ? arr.reduce((sum, curr) => sum + curr, 0)
+      : arr;
   }
 }
diff --git a/src/app/pipes/object/invert-by.ts b/src/app/pipes/object/invert-by.ts
index e0aefeaa..6bd4e63a 100644
--- a/src/app/pipes/object/invert-by.ts
+++ b/src/app/pipes/object/invert-by.ts
@@ -9,12 +9,11 @@ export class InvertByPipe implements PipeTransform {
       return obj;
     }
 
-    return Object.keys(obj)
-      .reduce((o, k) => {
-        const key = cb ? cb(obj[k]) : obj[k];
-        return Array.isArray(o[key])
-          ? (o[key].push(k), o)
-          : Object.assign(o, {[key]: [k]});
+    return Object.keys(obj).reduce((o, k) => {
+      const key = cb ? cb(obj[k]) : obj[k];
+      return Array.isArray(o[key])
+        ? (o[key].push(k), o)
+        : Object.assign(o, {[key]: [k]});
       }, {});
   }
 }
diff --git a/src/app/pipes/string/scan.ts b/src/app/pipes/string/scan.ts
index 5a781b86..6f91828e 100644
--- a/src/app/pipes/string/scan.ts
+++ b/src/app/pipes/string/scan.ts
@@ -6,7 +6,7 @@ export class ScanPipe implements PipeTransform {
 
   transform(text: string, args: string[] = []): string {
     return GeneralHelper.isString(text)
-      ? text.replace(/\{(\d+)}/g, (match, index) => typeof (args[index]) !== 'undefined' ? args[index] : match)
+      ? text.replace(/\{(\d+)}/g, (match, index) => !GeneralHelper.isUndefined(args[index]) ? args[index] : match)
       : text;
   }
 }
diff --git a/src/app/pipes/string/shorten.ts b/src/app/pipes/string/shorten.ts
index f8795f7a..94dd4c73 100644
--- a/src/app/pipes/string/shorten.ts
+++ b/src/app/pipes/string/shorten.ts
@@ -8,10 +8,12 @@ export class ShortenPipe implements PipeTransform {
     if (!GeneralHelper.isString(text)) {
       return text;
     }
+
     if (text.length > length) {
       if (wordBreak) {
         return text.slice(0, length) + suffix;
       }
+
       if (!!~text.indexOf(' ', length)) {
         return text.slice(0, text.indexOf(' ', length)) + suffix;
       }

From 211f00a94ae2c75c39eaf8b32c3130bdc6f2a19f Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Wed, 14 Dec 2016 23:35:37 +0200
Subject: [PATCH 03/25] Update README.md

---
 README.md | 20 ++++++--------------
 1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/README.md b/README.md
index d4cd8cf1..9255961f 100644
--- a/README.md
+++ b/README.md
@@ -554,20 +554,12 @@ Returns object of grouped by items by discriminator
 
 API: `array | groupBy: [string | Function]`
 
-```javascript
-import {GroupByPipe} from 'ng2-pipes/src/app/pipes/array/group-by';
-
-@Component({
-  // ...
-  providers: [GroupByPipe]
-})
-export class AppComponent {
-  constructor(private groupByPipe: GroupByPipe) {
-    // .. 
-    const arrayObject = [{elm: 'foo', value: 0}, {elm: 'bar', value: 1}, {elm: 'foo', value: 2}];
-    const groupedObject = groupByPipe.transform(arrayObject, 'elm')); 
-    // `groupedObject` -> Contains: {foo: [{elm: 'foo', value: 0}, {elm: 'foo', value: 2}], bar: [{elm: 'bar', value: 1}]}
-  }
+```typescript
+this.arrayObject = [{elm: 'foo', value: 0}, {elm: 'bar', value: 1}, {elm: 'foo', value: 2}];
+```
+
+```html
+<p>{{ arrayObject | groupBy: 'elm' }}</p> <!-- Output: "{foo: [{elm: 'foo', value: 0}, {elm: 'foo', value: 2}], bar: [{elm: 'bar', value: 1}]}" -->
 ```
 
 ## Object

From 31aa3ae47f89cab35e37c7fd7378c700ebc7d06f Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Mon, 19 Dec 2016 14:03:44 +0200
Subject: [PATCH 04/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 9255961f..e920cf5d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Angular 2 - Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
+# Angular 2+ - Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
 > Useful pipes for Angular2.
 

From 9c65bde09b20becfa60b430f40326fd406ac7173 Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Mon, 19 Dec 2016 14:04:18 +0200
Subject: [PATCH 05/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e920cf5d..538befb3 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Angular 2+ - Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
+# Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
 > Useful pipes for Angular2.
 

From 0332cf28ef679cc204dc50184d055c7102b4c212 Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Mon, 19 Dec 2016 14:05:27 +0200
Subject: [PATCH 06/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 538befb3..5e215024 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
-> Useful pipes for Angular2.
+> Useful pipes for Angular 2.
 
 ## Table of contents
 

From 86b7c21e5870b6ce7055a192537f489b97339779 Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Mon, 19 Dec 2016 14:05:35 +0200
Subject: [PATCH 07/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5e215024..367333bf 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
-> Useful pipes for Angular 2.
+> Useful pipes for Angular 2
 
 ## Table of contents
 

From 877f64700b27e2de42ede8eabc1ad34eb3bfc7c2 Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Mon, 19 Dec 2016 14:06:32 +0200
Subject: [PATCH 08/25] Bump version

---
 package.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 856edfac..d63ec9af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng2-pipes",
-  "version": "0.5.4",
+  "version": "0.5.5",
   "author": "Dan Revah",
   "description": "Useful angular2 pipes",
   "license": "MIT",
@@ -27,7 +27,7 @@
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/danrevah/ng2-pipes.git"
+    "url": "https://github.com/danrevah/ng-pipes.git"
   },
   "devDependencies": {
     "@angular/common": "^2.1.0",

From 7ab0a9cdb9c49162d387a3409a95ba7a8b2d86a1 Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Mon, 19 Dec 2016 14:07:56 +0200
Subject: [PATCH 09/25] Bump version

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index d63ec9af..701fd621 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng2-pipes",
-  "version": "0.5.5",
+  "version": "0.5.6",
   "author": "Dan Revah",
   "description": "Useful angular2 pipes",
   "license": "MIT",

From e756f0a89c81356e91c3cd39321e1e707789c28e Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Tue, 20 Dec 2016 23:12:51 +0200
Subject: [PATCH 10/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 367333bf..07c8a347 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng2-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng2-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
+# Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
 > Useful pipes for Angular 2
 

From 4efcc2a3868e5f4ccd0d4fcea996275093c4a61b Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Wed, 21 Dec 2016 12:13:00 +0200
Subject: [PATCH 11/25] Bump version

---
 .gitignore   | 1 +
 package.json | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index f73c0b72..3a766638 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@ coverage/
 npm-debug.log
 testem.log
 /typings
+yarn-error.log
 
 # e2e
 /e2e/*.js
diff --git a/package.json b/package.json
index 701fd621..5883fafb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng2-pipes",
-  "version": "0.5.6",
+  "version": "0.5.7",
   "author": "Dan Revah",
   "description": "Useful angular2 pipes",
   "license": "MIT",

From b4c45bb108ca0803b9851b3743b9b137d382bc9d Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Wed, 21 Dec 2016 12:17:43 +0200
Subject: [PATCH 12/25] bump version

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 5883fafb..6c93f1fa 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng2-pipes",
-  "version": "0.5.7",
+  "version": "0.5.8",
   "author": "Dan Revah",
   "description": "Useful angular2 pipes",
   "license": "MIT",

From 0ad21371f12d3dc9c5c33d5a6d694b6c22c1db9c Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Thu, 22 Dec 2016 20:25:17 +0200
Subject: [PATCH 13/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 07c8a347..da65800c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
-> Useful pipes for Angular 2
+> Useful pipes for Angular 2+ with no external dependencies!
 
 ## Table of contents
 

From 9f6c34c587d515368b63a950250f203300d66ec2 Mon Sep 17 00:00:00 2001
From: Dan Revah <dan@revahbox.com>
Date: Thu, 22 Dec 2016 20:28:36 +0200
Subject: [PATCH 14/25] Set theme jekyll-theme-slate

---
 _config.yml | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 _config.yml

diff --git a/_config.yml b/_config.yml
new file mode 100644
index 00000000..c7418817
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1 @@
+theme: jekyll-theme-slate
\ No newline at end of file

From fd7705df258986551ec65d01dd90eb2bcf5a9821 Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Thu, 22 Dec 2016 20:34:06 +0200
Subject: [PATCH 15/25] Remove theme

---
 _config.yml | 1 -
 1 file changed, 1 deletion(-)
 delete mode 100644 _config.yml

diff --git a/_config.yml b/_config.yml
deleted file mode 100644
index c7418817..00000000
--- a/_config.yml
+++ /dev/null
@@ -1 +0,0 @@
-theme: jekyll-theme-slate
\ No newline at end of file

From 3920891e807f34afdcbb13692d9a38b9f19cfcfd Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sat, 24 Dec 2016 19:09:41 +0200
Subject: [PATCH 16/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index da65800c..6ce2b9f8 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@
     - [every](#every)
     - [some](#some)
     - [sample](#sample)
-    - [groupBy](#groupBy)
+    - [groupBy](#groupby)
  - [Object](#object)
     - [keys](#keys)
     - [values](#values)

From 3a9c8ede860c3a6481104ac72ba0b9e901c9bc0f Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 10:07:39 +0200
Subject: [PATCH 17/25] Update README.md

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 6ce2b9f8..228541a8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
-# Angular Pipes  [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
+# Angular Pipes  
+[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
 > Useful pipes for Angular 2+ with no external dependencies!
 

From 6cb49377c11e404e9826b943a9147dc24fc61a7b Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 10:08:02 +0200
Subject: [PATCH 18/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 228541a8..1a5067f4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Angular Pipes  
+# Angular 2+ Pipes  
 [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
 > Useful pipes for Angular 2+ with no external dependencies!

From 8ce1652c3a874eec3e550ecc5cbc92bde6ea08bb Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 10:09:24 +0200
Subject: [PATCH 19/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 1a5067f4..228541a8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Angular 2+ Pipes  
+# Angular Pipes  
 [![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
 
 > Useful pipes for Angular 2+ with no external dependencies!

From 95bd450051f7c8455838568112835127779dff01 Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 10:11:52 +0200
Subject: [PATCH 20/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 228541a8..8263da90 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Angular Pipes  
-[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng2-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng2-pipes?branch=master)
+[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master)
 
 > Useful pipes for Angular 2+ with no external dependencies!
 

From 669537a4dc7bfa714a8dee99ee9053ec4d653c3a Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 11:22:16 +0200
Subject: [PATCH 21/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8263da90..e9b4b0ea 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Angular Pipes  
-[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master)
+[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master) [![npm](https://img.shields.io/npm/dt/ng2-pipes.svg)](https://www.npmjs.com/package/ng2-pipes)
 
 > Useful pipes for Angular 2+ with no external dependencies!
 

From 19aba9425ece237148627feb2125a3de2df14b32 Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 11:26:04 +0200
Subject: [PATCH 22/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e9b4b0ea..cc8baa1e 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Angular Pipes  
-[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master) [![npm](https://img.shields.io/npm/dt/ng2-pipes.svg)](https://www.npmjs.com/package/ng2-pipes)
+[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master) [![npm](https://img.shields.io/npm/dt/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes)
 
 > Useful pipes for Angular 2+ with no external dependencies!
 

From 5b225ce76024c10c5c6f96293a95f28eaf98f706 Mon Sep 17 00:00:00 2001
From: Dan Revah <danrevah89@gmail.com>
Date: Sun, 25 Dec 2016 11:27:21 +0200
Subject: [PATCH 23/25] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index cc8baa1e..3cf6ea4b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Angular Pipes  
-[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master) [![npm](https://img.shields.io/npm/dt/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes)
+[![npm](https://img.shields.io/npm/v/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![Travis](https://img.shields.io/travis/danrevah/ng-pipes.svg?style=flat-square)](https://travis-ci.org/danrevah/ng-pipes) [![Coveralls](https://img.shields.io/coveralls/danrevah/ng-pipes.svg?style=flat-square)](https://coveralls.io/github/danrevah/ng-pipes?branch=master) [![npm](https://img.shields.io/npm/dt/ng2-pipes.svg?style=flat-square)](https://www.npmjs.com/package/ng2-pipes) [![license](https://img.shields.io/github/license/mashape/apistatus.svg?style=flat-square)](https://github.com/danrevah/ng-pipes/blob/master/LICENSE.md)
 
 > Useful pipes for Angular 2+ with no external dependencies!
 

From ecdf9e6187799ae6fd31c919cb87b2a694420aef Mon Sep 17 00:00:00 2001
From: danrevah <drevah@outbrain.com>
Date: Sun, 25 Dec 2016 16:10:22 +0200
Subject: [PATCH 24/25] Initial Stable

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 6c93f1fa..2117d6bb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ng2-pipes",
-  "version": "0.5.8",
+  "version": "1.0.0",
   "author": "Dan Revah",
   "description": "Useful angular2 pipes",
   "license": "MIT",

From a645b9f0b92eed75fd684fc60d29501409cb04b4 Mon Sep 17 00:00:00 2001
From: spyr0s <lordovol@gmail.com>
Date: Thu, 29 Dec 2016 10:39:23 +0200
Subject: [PATCH 25/25] left pad and right pad string pipes

---
 README.md                         | 28 +++++++++++++++++++++++++++-
 src/app/pipes/string/lpad.spec.ts | 30 ++++++++++++++++++++++++++++++
 src/app/pipes/string/lpad.ts      | 16 ++++++++++++++++
 src/app/pipes/string/rpad.spec.ts | 30 ++++++++++++++++++++++++++++++
 src/app/pipes/string/rpad.ts      | 16 ++++++++++++++++
 5 files changed, 119 insertions(+), 1 deletion(-)
 create mode 100644 src/app/pipes/string/lpad.spec.ts
 create mode 100644 src/app/pipes/string/lpad.ts
 create mode 100644 src/app/pipes/string/rpad.spec.ts
 create mode 100644 src/app/pipes/string/rpad.ts

diff --git a/README.md b/README.md
index 3cf6ea4b..0558457e 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,8 @@
     - [underscore](#underscore)
     - [test](#test)
     - [match](#match)
+    - [lpad](#lpad)
+    - [rpad](#rpad)
  - [Array](#Array)   
     - [diff](#diff)
     - [flatten](#flatten)
@@ -262,7 +264,7 @@ API: `string | latinise`
 
 ### lines
 
-Removes accents from Latin characters.
+Converts a string with new lines into an array of each line.
 
 API: `string | lines`
 
@@ -305,6 +307,30 @@ API: `string | match: {RegExp}: {Flags}`
 <p>{{'FOO' | match: '^foo': 'i' }}</p> <!-- Output: 'FOO' -->
 ```
 
+### lpad
+
+Left pad a string to a given length using a given pad character (default is a space)
+
+
+API: `string | lpad: length: [padCharacter:string|optional]`
+
+```html
+<p>{{'foo' | lpad: 5}}</p> <!-- Output: "  foo" -->
+<!-- Cast a number to string in order to left pad it with zeros -->
+<p>{{String(3) | lpad: 5: '0'}}</p> <!-- Output: "00003" -->
+```
+
+### rpad
+
+Right pad a string to a given length using a given pad character  (default is a space)
+
+
+API: `string | rpad: length: [padCharacter:string|optional]`
+
+```html
+<p>{{'Foo' | rpad: 5: '#'}}</p> <!-- Output: "Foo##" -->
+```
+
 ## Array
 
 ### diff
diff --git a/src/app/pipes/string/lpad.spec.ts b/src/app/pipes/string/lpad.spec.ts
new file mode 100644
index 00000000..50f3d0a9
--- /dev/null
+++ b/src/app/pipes/string/lpad.spec.ts
@@ -0,0 +1,30 @@
+import {LeftPadPipe} from "./lpad";
+
+describe('LeftPadPipe Tests', () => {
+  let pipe:LeftPadPipe;
+
+  beforeEach(() => {
+    pipe = new LeftPadPipe();
+  });
+
+  it('Should left pad with 2 blanks', () => {
+    let result = pipe.transform('foo', 5);
+    expect(result).toEqual('  foo');
+  });
+
+  it('Should left pad a number casted to string with 5 zeros', () => {
+    let result = pipe.transform(String(2), 6, '0');
+    expect(result).toEqual('000002');
+  });
+
+  it('Should not add padding', () => {
+    let result = pipe.transform('foo', 3);
+    expect(result).toEqual('foo');
+  });
+
+  it('Should not add padding', () => {
+    let result = pipe.transform('foofoo', 3);
+    expect(result).toEqual('foofoo');
+  });
+
+});
diff --git a/src/app/pipes/string/lpad.ts b/src/app/pipes/string/lpad.ts
new file mode 100644
index 00000000..67dc9922
--- /dev/null
+++ b/src/app/pipes/string/lpad.ts
@@ -0,0 +1,16 @@
+import { PipeTransform, Pipe } from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
+
+@Pipe({ name: 'lpad' })
+export class LeftPadPipe implements PipeTransform {
+  
+  transform(str: string, length: number, padCharacter: string = ' '): string {
+    if (!GeneralHelper.isString(str) || str.length >= length) {
+      return str;
+    }
+    while (str.length < length) {
+      str = padCharacter + str;
+    }
+    return str;
+  }
+}
diff --git a/src/app/pipes/string/rpad.spec.ts b/src/app/pipes/string/rpad.spec.ts
new file mode 100644
index 00000000..499014ec
--- /dev/null
+++ b/src/app/pipes/string/rpad.spec.ts
@@ -0,0 +1,30 @@
+import {RightPadPipe} from "./rpad";
+
+describe('RightPadPipe Tests', () => {
+  let pipe: RightPadPipe;
+
+  beforeEach(() => {
+    pipe = new RightPadPipe();
+  });
+
+  it('Should right pad with 2 blanks', () => {
+    let result = pipe.transform('foo', 5);
+    expect(result).toEqual('foo  ');
+  });
+
+  it('Should right pad a number casted to string with 5 zeros', () => {
+    let result = pipe.transform(String(2), 6, '0');
+    expect(result).toEqual('200000');
+  });
+
+  it('Should not add padding if sting length is the same as length', () => {
+    let result = pipe.transform('foo', 3);
+    expect(result).toEqual('foo');
+  });
+
+  it('Should not add padding if sting length is greater than length', () => {
+    let result = pipe.transform('foofoo', 3);
+    expect(result).toEqual('foofoo');
+  });
+
+});
diff --git a/src/app/pipes/string/rpad.ts b/src/app/pipes/string/rpad.ts
new file mode 100644
index 00000000..ba7e308d
--- /dev/null
+++ b/src/app/pipes/string/rpad.ts
@@ -0,0 +1,16 @@
+import { PipeTransform, Pipe } from '@angular/core';
+import GeneralHelper from '../helpers/helpers';
+
+@Pipe({ name: 'rpad' })
+export class RightPadPipe implements PipeTransform {
+  
+  transform(str: string, length: number = 1, padCharacter: string = ' '): string {
+    if (!GeneralHelper.isString(str) || str.length >= length) {
+      return str;
+    }
+    while (str.length < length) {
+      str = str + padCharacter;
+    }
+    return str;
+  }
+}