orderBy implementation

I definitely need some help with the description with this one,

snippets/order-by

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+### orderBy
+
+Returns a sorted array of objects ordered by properties and orders.
+
+Uses a custom implementation of sort, that reduces the props array argument with a default value of 0, it uses destructuring to swap the properties position depending on the order passed.
+If no orders array is passed it sort by 'asc' by default.
+
+```js
+const orderBy = (arr, props, orders) =>
+  arr.sort((a, b) =>
+    props.reduce((acc, prop, i) => {
+      if (acc === 0) {
+        const [p1, p2] = orders[i] === 'asc' ? [a[prop], b[prop]] : [b[prop], a[prop]];
+        acc = p1 > p2 ? 1 : p1 < p2 ? -1 : 0;
+      }
+      return acc;
+    }, 0)
+  );
+//*
+const users = [
+  { 'name': 'fred',   'age': 48 },
+  { 'name': 'barney', 'age': 36 },
+  { 'name': 'fred',   'age': 40 },
+  { 'name': 'barney', 'age': 34 }
+];
+orderby(users, ['name', 'age'], ['asc', 'desc']) -> [{name: 'barney', age: 36}, {name: 'barney', age: 34}, {name: 'fred', age: 48}, {name: 'fred', age: 40}]
+orderby(users, ['name', 'age']) -> [{name: 'barney', age: 34}, {name: 'barney', age: 36}, {name: 'fred', age: 40}, {name: 'fred', age: 48}]
+```
+