add booler function and exports

test/booler.test.js

@@ -0,0 +1,42 @@
+const assert = require('assert');
+const booler = require('./../index')
+
+it('booler will be pass it to equal true', () => {
+    assert.equal(true, booler(true));
+})
+
+it(`booler will be pass it to equal 'true'`, () => {
+    assert.equal(true, booler('true'));
+})
+
+it(`booler will be pass it to equal 't'`, () => {
+    assert.equal(true, booler('t'));
+})
+
+it(`booler will be pass it to equal '1'`, () => {
+    assert.equal(true, booler('1'));
+})
+
+it('booler will be pass it to equal 1', () => {
+    assert.equal(true, booler(1));
+})
+
+it('booler will be pass it to equal false', () => {
+    assert.equal(false, booler(false));
+})
+
+it(`booler will be pass it to equal 'false'`, () => {
+    assert.equal(false, booler('false'));
+})
+
+it(`booler will be pass it to equal 'f'`, () => {
+    assert.equal(false, booler('f'));
+})
+
+it(`booler will be pass it to equal '0'`, () => {
+    assert.equal(false, booler(0));
+})
+
+it('booler will be pass it to equal 0', () => {
+    assert.equal(false, booler(0));
+})