From 5c693aee76e0daa6dd0c63ce0bad90df1330d4dc Mon Sep 17 00:00:00 2001
From: Mykolas Krupauskas <mkrupauskas@gmail.com>
Date: Mon, 29 Oct 2018 23:19:01 +0200
Subject: [PATCH 1/3] add filterFalsy snippet, tags, and tests

---
 snippets/filterFalsy.md  | 13 +++++++++++++
 tag_database             |  1 +
 test/filterFalsy.test.js | 18 ++++++++++++++++++
 3 files changed, 32 insertions(+)
 create mode 100755 snippets/filterFalsy.md
 create mode 100755 test/filterFalsy.test.js

diff --git a/snippets/filterFalsy.md b/snippets/filterFalsy.md
new file mode 100755
index 000000000..0928a2ec1
--- /dev/null
+++ b/snippets/filterFalsy.md
@@ -0,0 +1,13 @@
+### filterFalsy
+
+Filters out the falsy values in an array.
+
+Use `Array.prototype.filter()` to get an array containing only truthy values.
+
+```js
+const filterFalsy = arr => arr.filter(Boolean)
+```
+
+```js
+filterFalsy(['', true, {}, false, 'sample', 1, 0]); // [true, {}, 'sample', 1]
+```
diff --git a/tag_database b/tag_database
index aaa61a47e..6b4ced2d4 100644
--- a/tag_database
+++ b/tag_database
@@ -75,6 +75,7 @@ everyNth:array,beginner
 extendHex:utility,string,intermediate
 factorial:math,recursion,beginner
 fibonacci:math,array,beginner
+filterFalsy:array,beginner
 filterNonUnique:array,beginner
 filterNonUniqueBy:array,function,intermediate
 findKey:object,function,intermediate
diff --git a/test/filterFalsy.test.js b/test/filterFalsy.test.js
new file mode 100755
index 000000000..7f0e4166d
--- /dev/null
+++ b/test/filterFalsy.test.js
@@ -0,0 +1,18 @@
+const expect = require('expect');
+const {filterFalsy} = require('._30s.js');
+
+test('filterFalsy is a Function', () => {
+  expect(filterFalsy).toBeInstanceOf(Function);
+});
+
+test('filterFalsy filters different types of falsy values', () => {
+  expect(filterFalsy(['', true, {}, false, 'sample', 1, 0])).toEqual([true, {}, 'sample', 1]);
+});
+
+test('filterFalsy returns an empty array if you pass it an array of falsy values', () => {
+  expect(filterFalsy(['', 0, false, '', false, 0])).toEqual([]);
+});
+
+test('filterFalsy returns all of the truthy elements in an array', () => {
+  expect(filterFalsy([true, null, 'test', {}, []])).toEqual([true, 'test', {}, []]);
+});

From fc1346f74979aa4a200eee002a06ae1f31759b27 Mon Sep 17 00:00:00 2001
From: Angelos Chalaris <chalarangelo@gmail.com>
Date: Fri, 7 Dec 2018 18:13:48 +0200
Subject: [PATCH 2/3] Update filterFalsy.md

---
 snippets/filterFalsy.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/snippets/filterFalsy.md b/snippets/filterFalsy.md
index 0928a2ec1..25478656b 100755
--- a/snippets/filterFalsy.md
+++ b/snippets/filterFalsy.md
@@ -5,7 +5,7 @@ Filters out the falsy values in an array.
 Use `Array.prototype.filter()` to get an array containing only truthy values.
 
 ```js
-const filterFalsy = arr => arr.filter(Boolean)
+const filterFalsy = arr => arr.filter(Boolean);
 ```
 
 ```js

From 71cf217cc197c9a40546790e99799229238dedf4 Mon Sep 17 00:00:00 2001
From: Angelos Chalaris <chalarangelo@gmail.com>
Date: Fri, 7 Dec 2018 18:15:32 +0200
Subject: [PATCH 3/3] Update filterFalsy.test.js

---
 test/filterFalsy.test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/filterFalsy.test.js b/test/filterFalsy.test.js
index 7f0e4166d..9daef08c8 100755
--- a/test/filterFalsy.test.js
+++ b/test/filterFalsy.test.js
@@ -1,5 +1,5 @@
 const expect = require('expect');
-const {filterFalsy} = require('._30s.js');
+const { filterFalsy } = require('./_30s.js');
 
 test('filterFalsy is a Function', () => {
   expect(filterFalsy).toBeInstanceOf(Function);