feat(challenges): add slugify

challenges/slugify/README.md

@@ -0,0 +1,60 @@
+# slugify
+
+Created by [@Divlo](https://github.com/Divlo) on 10 November 2021.
+
+## Instructions
+
+Write a function that generates a slug from a string.
+
+A Slug is the unique identifying part of a web address, typically at the end of the URL.
+
+The rules for generating a slug are as follows (`kebab-case`):
+
+- Replace spaces with hyphens.
+- Remove all non-alphanumeric characters.
+
+## Examples
+
+### Example 1
+
+#### Input
+
+```txt
+hello world
+```
+
+#### Output
+
+```txt
+hello-world
+```
+
+### Example 2
+
+#### Input
+
+```txt
+--hello world--
+```
+
+### Output
+
+```txt
+hello-world
+```
+
+### Example 3
+
+#### Input
+
+```txt
+😄 emoji
+```
+
+### Output
+
+```txt
+emoji
+```
+
+See the `test` folder for examples of input/output.

challenges/slugify/test/1/input.txt

@@ -0,0 +1 @@
+hello world

challenges/slugify/test/1/output.txt

@@ -0,0 +1 @@
+hello-world

challenges/slugify/test/2/input.txt

@@ -0,0 +1 @@
+--hello world--

challenges/slugify/test/2/output.txt

@@ -0,0 +1 @@
+hello-world

challenges/slugify/test/3/input.txt

@@ -0,0 +1 @@
+😄 emoji

challenges/slugify/test/3/output.txt

@@ -0,0 +1 @@
+-emoji

challenges/slugify/test/4/input.txt

@@ -0,0 +1 @@
+  slug  

challenges/slugify/test/4/output.txt

@@ -0,0 +1 @@
+slug

challenges/slugify/test/5/input.txt

@@ -0,0 +1 @@
+slugify

challenges/slugify/test/5/output.txt

@@ -0,0 +1 @@
+slugify

challenges/slugify/test/6/input.txt

@@ -0,0 +1 @@
+programming-challenges

challenges/slugify/test/6/output.txt

@@ -0,0 +1 @@
+programming-challenges