From 3e3559ca7cb65269042609b5fc01ad524fdb95b2 Mon Sep 17 00:00:00 2001
From: Saigredan <daniel.grek@codesthq.com>
Date: Fri, 5 Feb 2021 16:13:11 +0100
Subject: [PATCH] Fix server side rendering

---
 src/Utils/AdManager.ts     | 106 ++++++++++++++++++++-----------------
 src/Utils/headerScripts.ts |  40 +++++++-------
 2 files changed, 80 insertions(+), 66 deletions(-)

diff --git a/src/Utils/AdManager.ts b/src/Utils/AdManager.ts
index 1fc6715..c7924c4 100644
--- a/src/Utils/AdManager.ts
+++ b/src/Utils/AdManager.ts
@@ -26,60 +26,70 @@ export class AdManager {
     targeting?: { [key: string]: googletag.NamedSize }
   ): Promise<googletag.Slot> {
     return new Promise((resolve, reject) => {
-      window.Yieldbird.cmd.push(() => {
-        window.googletag.cmd.push(() => {
-          const slot = this.createSlot(adUnitPath, size, optDiv)
-
-          this.setTargeting(slot, targeting)
-          this.setSizeMapping(slot, sizeMapping)
-
-          if (!shouldRefreshAds) {
-            window.Yieldbird.setGPTTargeting([slot])
-            window.googletag.enableServices()
-            window.googletag.display(optDiv)
-            window.googletag.pubads().refresh([slot])
-          } else {
-            window.googletag.enableServices()
-            window.googletag.display(optDiv)
-          }
-
-          slot ? resolve(slot) : reject(new Error('Slot could not be created.'))
+      if (typeof window !== 'undefined') {
+        window.Yieldbird.cmd.push(() => {
+          window.googletag.cmd.push(() => {
+            const slot = this.createSlot(adUnitPath, size, optDiv)
+
+            this.setTargeting(slot, targeting)
+            this.setSizeMapping(slot, sizeMapping)
+
+            if (!shouldRefreshAds) {
+              window.Yieldbird.setGPTTargeting([slot])
+              window.googletag.enableServices()
+              window.googletag.display(optDiv)
+              window.googletag.pubads().refresh([slot])
+            } else {
+              window.googletag.enableServices()
+              window.googletag.display(optDiv)
+            }
+
+            slot
+              ? resolve(slot)
+              : reject(new Error('Slot could not be created.'))
+          })
         })
-      })
+      } else {
+        reject(new Error('Slot could not be created.'))
+      }
     })
   }
 
   public static destroySlot(optDiv: string) {
-    window.googletag.cmd.push(() => {
-      const slot = window.googletag
-        .pubads()
-        .getSlots()
-        .find((el) => el.getSlotElementId() === optDiv)
-
-      slot && window.googletag.destroySlots([slot])
-    })
+    if (typeof window !== 'undefined') {
+      window.googletag.cmd.push(() => {
+        const slot = window.googletag
+          .pubads()
+          .getSlots()
+          .find((el) => el.getSlotElementId() === optDiv)
+
+        slot && window.googletag.destroySlots([slot])
+      })
+    }
   }
 
   public refreshSlot(slot: googletag.Slot, optDiv: string) {
-    this.adsToRefresh[optDiv] = slot
-
-    this.interval && window.clearInterval(this.interval)
-    this.interval = window.setTimeout(
-      () => {
-        const slots = Object.keys(this.adsToRefresh).map(
-          (el) => this.adsToRefresh[el]
-        )
-
-        if (slots.length > 0) {
-          window.Yieldbird.cmd.push(() => {
-            window.Yieldbird.refresh(slots)
-            this.adsToRefresh = {}
-          })
-        }
-      },
-      this.timeout,
-      true
-    )
+    if (typeof window !== 'undefined') {
+      this.adsToRefresh[optDiv] = slot
+
+      this.interval && window.clearInterval(this.interval)
+      this.interval = window.setTimeout(
+        () => {
+          const slots = Object.keys(this.adsToRefresh).map(
+            (el) => this.adsToRefresh[el]
+          )
+
+          if (slots.length > 0) {
+            window.Yieldbird.cmd.push(() => {
+              window.Yieldbird.refresh(slots)
+              this.adsToRefresh = {}
+            })
+          }
+        },
+        this.timeout,
+        true
+      )
+    }
   }
 
   private static createSlot(
@@ -107,9 +117,9 @@ export class AdManager {
     slot: googletag.Slot,
     targeting?: { [key: string]: googletag.NamedSize }
   ) {
-    if (targeting) {
+    if (slot && targeting) {
       Object.keys(targeting).forEach((targetingKey: string) => {
-        slot && slot.setTargeting(targetingKey, targeting[targetingKey])
+        slot.setTargeting(targetingKey, targeting[targetingKey])
       })
     }
   }
diff --git a/src/Utils/headerScripts.ts b/src/Utils/headerScripts.ts
index a812f95..6d50956 100644
--- a/src/Utils/headerScripts.ts
+++ b/src/Utils/headerScripts.ts
@@ -8,29 +8,33 @@ function loadScript(scriptUrl: string) {
 }
 
 export function ensureScripts() {
-  window.googletag = window.googletag || {}
-  window.googletag.cmd = window.googletag.cmd || []
-  window.Yieldbird = window.Yieldbird || {}
-  window.Yieldbird.cmd = window.Yieldbird.cmd || []
+  if (typeof window !== 'undefined') {
+    window.googletag = window.googletag || {}
+    window.googletag.cmd = window.googletag.cmd || []
+    window.Yieldbird = window.Yieldbird || {}
+    window.Yieldbird.cmd = window.Yieldbird.cmd || []
+  }
 }
 
 export function initializeAdStack(uuid: string) {
-  ensureScripts()
-  window.yb_configuration = { lazyLoad: true }
+  if (typeof window !== 'undefined') {
+    ensureScripts()
+    window.yb_configuration = { lazyLoad: true }
 
-  window.googletag.cmd.push(function () {
-    window.googletag.pubads().disableInitialLoad()
-  })
+    window.googletag.cmd.push(function () {
+      window.googletag.pubads().disableInitialLoad()
+    })
 
-  if (Object.keys(window.googletag).length <= 1) {
-    loadScript(
-      `${document.location.protocol}//securepubads.g.doubleclick.net/tag/js/gpt.js`
-    )
-  }
+    if (Object.keys(window.googletag).length <= 1) {
+      loadScript(
+        `${document.location.protocol}//securepubads.g.doubleclick.net/tag/js/gpt.js`
+      )
+    }
 
-  if (Object.keys(window.Yieldbird).length <= 1) {
-    loadScript(
-      `${document.location.protocol}//jscdn.yieldbird.com/${uuid}/yb.js`
-    )
+    if (Object.keys(window.Yieldbird).length <= 1) {
+      loadScript(
+        `${document.location.protocol}//jscdn.yieldbird.com/${uuid}/yb.js`
+      )
+    }
   }
 }