All tasks was done

.eslintignore

@@ -1,2 +1 @@
-Exercises/
 node_modules/

.prettierrc

@@ -0,0 +1,3 @@
+{
+  "singleQuote": true
+}

Exercises/1-pipe.js

@@ -1,5 +1,12 @@
 'use strict';
 
-const pipe = (...fns) => (x) => null;
+const pipe = (...fns) => {
+  fns.forEach((fn) => {
+    if (typeof fn !== 'function') {
+      throw new Error('Type of fn is not a function');
+    }
+  });
+  return (x) => fns.reduce((v, f) => f(v), x);
+};
 
 module.exports = { pipe };

Exercises/2-compose.js

@@ -1,5 +1,25 @@
 'use strict';
 
-const compose = (...fns) => (x) => null;
+const compose = (...fns) => {
+  const handlers = [];
+  const fn = (x) => {
+    if (fns.length === 0) return x;
+    const last = fns.length - 1;
+    let res = x;
+    try {
+      for (let i = last; i >= 0; i--) {
+        res = fns[i](res);
+      }
+    } catch (error) {
+      res = undefined;
+      handlers.forEach((handler) => handler(error));
+    }
+    return res;
+  };
+  fn.on = (name, handler) => {
+    if (name === 'error') handlers.push(handler);
+  };
+  return fn;
+};
 
 module.exports = { compose };