diff --git a/.eslintrc.json b/.eslintrc.json
index 70e7644..47b0939 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -15,7 +15,7 @@
],
"linebreak-style": [
"error",
- "unix"
+ "windows"
],
"quotes": [
"error",
@@ -262,4 +262,4 @@
"never"
]
}
-}
+}
\ No newline at end of file
diff --git a/Exercises/1-pipe.js b/Exercises/1-pipe.js
index d09882a..5e2f5ef 100644
--- a/Exercises/1-pipe.js
+++ b/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 Error('not a Function');
+ });
+
+ return x => fns.reduce((acc, fn) => acc = fn(acc), x);
+};
+
module.exports = { pipe };
diff --git a/Exercises/2-compose.js b/Exercises/2-compose.js
index 368e521..2ebc340 100644
--- a/Exercises/2-compose.js
+++ b/Exercises/2-compose.js
@@ -1,5 +1,31 @@
'use strict';
-const compose = (...fns) => x => null;
+const compose = (...fns) => {
+ const errors = [];
+
+ const fn = x => {
+ if (fns.length === 0) return x;
+
+ const start = fns.length - 1;
+ let res = x;
+
+ try {
+ for (let i = start; i >= 0; i--) {
+ res = fns[i](res);
+ }
+ return res;
+ } catch (err) {
+ errors.forEach(e => e(err));
+ }
+ };
+
+ fn.on = (name, callback) => {
+ if (name === 'error') {
+ errors.push(callback);
+ }
+ };
+
+ return fn;
+};
module.exports = { compose };
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