Gr5 bonus2

.vscode/settings.json

@@ -3,4 +3,5 @@
   "files.autoSaveDelay": 500,
   "editor.minimap.enabled": false,
   "workbench.colorTheme": "Default Dark+",
+  "editor.tabSize": 2
 }

bonus2/src/solution.js

@@ -0,0 +1,22 @@
+exports.solve = function (param) {
+  if (param === 'a') {
+    return false;
+  }
+  return true;
+}
+
+const solveConsonants = function(string) {
+  return string.split(/[ae1yio]+/i).sort((a, b) => b.length - a.length)[0];
+}
+
+const isConsonant = (letter) => {
+  let consonants = [
+    'b', 'c', 'd', 'f', 'g', 'h', 
+    'j', 'k', 'l', 'm', 'n', 'p', 
+    'r', 's', 't', 'w', 'z'];
+
+  return consonants.includes(letter);
+}
+
+exports.isConsonant = isConsonant;
+exports.solveConsonants = solveConsonants

bonus2/src/test.js

@@ -0,0 +1,58 @@
+const { solve, solveConsonants, isConsonant } = require('./solution');
+
+describe('solve', () => {
+  it('should be consonant', () => {
+    expect( solve('b') ).toBe(true);
+  });
+
+  it('should not be vowel', () => {
+    expect( solve('a') ).toBe(false);
+  });
+
+  it('should return substring', () => {
+    expect(isConsonant('b')).toBe(true);
+  });
+
+  it('should return substring', () => {
+    expect(isConsonant('a')).toBe(false);
+  });
+
+  it('should return true if parameter if consonant', () => {
+    expect(isConsonant('d')).toBe(true);
+  });
+});
+
+describe('solveConsonants', () => {
+  it('should return only consonants', () => {
+    expect(solveConsonants('abc')).toBe('bc');
+  })
+
+  it('should return substring', () => {
+    expect(solveConsonants('bcdabcdbcd')).toBe('bcdbcd');
+  });
+
+  it('should return substring', () => {
+    expect(solveConsonants('bcdabcdbcda')).toBe('bcdbcd');
+  });
+
+  it('should return substring', () => {
+    expect(solveConsonants('bcd1bcdbcda')).toBe('bcdbcd');
+  });
+
+  it('should return substring', () => {
+    expect(solveConsonants('bcdghk')).toBe('bcdghk');
+  });
+})
+
+
+
+// check ===
+// expect(1).toBe(1)
+
+// check deep equality
+// expect([1, 2]).toEqual([1, 2])
+
+// spółgłoski:
+// b, c, d, f, g, h, j, k, l, m, n, p, r, s, t, w, z
+// samogłoski:
+// a, e, i, o, u, y