Merge pull request #20 from gobeam/feat/acronym

Feat/acronym

README.md

@@ -54,7 +54,7 @@ Convert string to camel case, snake case, kebab case / slugify, custom delimiter
      </tr>
      <tr>
          <td><a href="#suffixstring-string">Suffix</a></td>
-         <td></td>
+         <td><a href="#acronym-string">Acronym</a></td>
          <td></td>
      </tr>
 </table>
@@ -357,6 +357,16 @@ Suffix makes sure string has been suffixed with a given string and avoids adding
 ```
 
 
+#### Acronym() string
+
+Acronym func returns acronym of input string. You can chain ToUpper() which with make result all upercase or ToLower() which will make result all lower case or Get which will return result as it is
+
+```go
+  acronym := stringy.New("Laugh Out Loud")
+	fmt.Println(acronym.Acronym().ToLower()) // lol
+```
+
+
 ## Running the tests
 
 ``` bash

example/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+
 	"github.com/gobeam/stringy"
 )
 
@@ -79,4 +80,7 @@ func main() {
 
 	pun := stringy.New("this really is a cliff")
 	fmt.Println(pun.Suffix("hanger")) // this really is a cliffhanger
+
+	acronym := stringy.New("Laugh Out Loud")
+	fmt.Println(acronym.Acronym().ToLower()) // lol
 }

stringy.go

@@ -18,6 +18,7 @@ type input struct {
 
 // StringManipulation is an interface that holds all abstract methods to manipulate strings
 type StringManipulation interface {
+	Acronym() StringManipulation
 	Between(start, end string) StringManipulation
 	Boolean() bool
 	CamelCase(rule ...string) string
@@ -50,6 +51,20 @@ func New(val string) StringManipulation {
 	return &input{Input: val}
 }
 
+// Acronym func returns acronym of input string.
+// You can chain to upper which with make result all upercase or ToLower
+// which will make result all lower case or Get which will return result as it is
+func (i *input) Acronym() StringManipulation {
+	input := getInput(*i)
+	words := strings.Fields(input)
+	var acronym string
+	for _, word := range words {
+		acronym += string(word[0])
+	}
+	i.Result = acronym
+	return i
+}
+
 // Between takes two string params start and end which and returns
 // value which is in middle of start and end part of input. You can
 // chain to upper which with make result all upercase or ToLower which

stringy_test.go

@@ -6,6 +6,14 @@ import (
 
 var sm StringManipulation = New("This is example.")
 
+func TestInput_Acronym(t *testing.T) {
+	acronym := New("Laugh Out Loud")
+	val := acronym.Acronym().Get()
+	if val != "LOL" {
+		t.Errorf("Expected: %s but got: %s", "IS", val)
+	}
+}
+
 func TestInput_Between(t *testing.T) {
 	val := sm.Between("This", "example").ToUpper()
 	if val != "IS" {