From 9fb999733592a3c35fbd79f4aea09fd268d087c5 Mon Sep 17 00:00:00 2001
From: Dave Brudner <dbrudne1@gmail.com>
Date: Fri, 17 Jan 2020 12:39:04 -0600
Subject: [PATCH] Adds adjustments to useCheckoutPricing hook

---
 lib/use-checkout-pricing.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/use-checkout-pricing.js b/lib/use-checkout-pricing.js
index ea3238a..4faddb0 100644
--- a/lib/use-checkout-pricing.js
+++ b/lib/use-checkout-pricing.js
@@ -12,6 +12,7 @@ import cloneDeep from 'lodash/cloneDeep';
  *
  * @typedef {Object} useCheckoutPricingInterface
  * @property {Array} subscriptions
+ * @property {Array} adjustments
  */
 
 /**
@@ -43,7 +44,12 @@ export default function useCheckoutPricing(initialInputs = {}, handleError = thr
 
   useEffect(() => {
     setLoading(true);
-    const { subscriptions = [] } = input;
+    const { subscriptions = [], adjustments = [] } = input;
+
+    if (adjustments.length) {
+      checkoutPricing = addAdjustments(adjustments, checkoutPricing);
+    };
+
     addSubscriptions(subscriptions, checkoutPricing)
       .then(() => {
         setPricing(checkoutPricing);
@@ -52,6 +58,14 @@ export default function useCheckoutPricing(initialInputs = {}, handleError = thr
       .finally(() => setLoading(false));
   }, [input]);
 
+  function addAdjustments (adjustments, checkoutPricing) {
+    return adjustments
+      .reduce((checkoutPricing, adjustment) => {
+        return checkoutPricing.adjustment(adjustment);
+      }, checkoutPricing)
+      .catch(handleError);
+  };
+
   function addSubscriptions(subscriptions, checkoutPricing) {
     const { subscriptionPricings } = subscriptions.reduce(
       ({ checkoutPricing, subscriptionPricings }, { plan, tax, addons = [], quantity }) => {