fix(session): add internal SAS error handler

src/utils/makeRequest.ts

@@ -2,7 +2,7 @@ import { CsrfToken } from '../types'
 import { needsRetry } from './needsRetry'
 
 let retryCount: number = 0
-let retryLimit: number = 5
+const retryLimit: number = 5
 
 export async function makeRequest<T>(
   url: string,
@@ -18,57 +18,118 @@ export async function makeRequest<T>(
       : (res: Response) => res.text()
   let etag = null
 
-  const result = await fetch(url, request).then(async (response) => {
-    if (response.redirected && response.url.includes('SASLogon/login')) {
-      return Promise.reject({ status: 401 })
-    }
-    if (!response.ok) {
-      if (response.status === 403) {
-        const tokenHeader = response.headers.get('X-CSRF-HEADER')
+  const result = await fetch(url, request)
+    .then(async (response) => {
+      if (response.redirected && response.url.includes('SASLogon/login')) {
+        return Promise.reject({ status: 401 })
+      }
 
-        if (tokenHeader) {
-          const token = response.headers.get(tokenHeader)
-          callback({
-            headerName: tokenHeader,
-            value: token || ''
+      if (!response.ok) {
+        if (response.status === 403) {
+          const tokenHeader = response.headers.get('X-CSRF-HEADER')
+
+          if (tokenHeader) {
+            const token = response.headers.get(tokenHeader)
+            callback({
+              headerName: tokenHeader,
+              value: token || ''
+            })
+
+            retryRequest = {
+              ...request,
+              headers: { ...request.headers, [tokenHeader]: token }
+            }
+
+            return await fetch(url, retryRequest).then((res) => {
+              etag = res.headers.get('ETag')
+              return responseTransform(res)
+            })
+          } else {
+            let body: any = await response.text().catch((err) => {
+              throw err
+            })
+
+            try {
+              body = JSON.parse(body)
+
+              body.message = `Forbidden. Check your permissions and user groups, and also the scopes granted when registering your CLIENT_ID. ${
+                body.message || ''
+              }`
+
+              body = JSON.stringify(body)
+            } catch (_) {}
+
+            return Promise.reject({ status: response.status, body })
+          }
+        } else {
+          let body: any = await response.text().catch((err) => {
+            throw err
           })
 
-          retryRequest = {
-            ...request,
-            headers: { ...request.headers, [tokenHeader]: token }
+          if (needsRetry(body)) {
+            if (retryCount < retryLimit) {
+              retryCount++
+              let retryResponse = await makeRequest(
+                url,
+                retryRequest || request,
+                callback,
+                contentType
+              ).catch((err) => {
+                throw err
+              })
+              retryCount = 0
+
+              etag = retryResponse.etag
+              return retryResponse.result
+            } else {
+              retryCount = 0
+
+              throw new Error('Request retry limit exceeded')
+            }
           }
 
-          return fetch(url, retryRequest).then((res) => {
-            etag = res.headers.get('ETag')
-            return responseTransform(res)
-          })
-        } else {
-          let body: any = await response.text()
+          if (response.status === 401) {
+            try {
+              body = JSON.parse(body)
 
-          try {
-            body = JSON.parse(body)
+              body.message = `Unauthorized request. Check your credentials(client, secret, access token). ${
+                body.message || ''
+              }`
 
-            body.message = `Forbidden. Check your permissions and user groups, and also the scopes granted when registering your CLIENT_ID. ${
-              body.message || ''
-            }`
-
-            body = JSON.stringify(body)
-          } catch (_) {}
+              body = JSON.stringify(body)
+            } catch (_) {}
+          }
 
           return Promise.reject({ status: response.status, body })
         }
       } else {
-        let body: any = await response.text()
+        if (response.status === 204) {
+          return Promise.resolve()
+        }
+        const responseTransformed = await responseTransform(response).catch(
+          (err) => {
+            throw err
+          }
+        )
+        let responseText = ''
 
-        if (needsRetry(body)) {
+        if (typeof responseTransformed === 'string') {
+          responseText = responseTransformed
+        } else {
+          responseText = JSON.stringify(responseTransformed)
+        }
+
+        if (needsRetry(responseText)) {
           if (retryCount < retryLimit) {
             retryCount++
-            let retryResponse = await makeRequest(
+            const retryResponse = await makeRequest(
               url,
               retryRequest || request,
               callback,
               contentType
-            )
+            ).catch((err) => {
+              throw err
+            })
             retryCount = 0
 
             etag = retryResponse.etag
@@ -80,57 +141,14 @@ export async function makeRequest<T>(
           }
         }
 
-        if (response.status === 401) {
-          try {
-            body = JSON.parse(body)
+        etag = response.headers.get('ETag')
 
-            body.message = `Unauthorized request. Check your credentials(client, secret, access token). ${
-              body.message || ''
-            }`
-
-            body = JSON.stringify(body)
-          } catch (_) {}
-        }
-
-        return Promise.reject({ status: response.status, body })
+        return responseTransformed
       }
-    } else {
-      if (response.status === 204) {
-        return Promise.resolve()
-      }
-      const responseTransformed = await responseTransform(response)
-      let responseText = ''
-
-      if (typeof responseTransformed === 'string') {
-        responseText = responseTransformed
-      } else {
-        responseText = JSON.stringify(responseTransformed)
-      }
-
-      if (needsRetry(responseText)) {
-        if (retryCount < retryLimit) {
-          retryCount++
-          const retryResponse = await makeRequest(
-            url,
-            retryRequest || request,
-            callback,
-            contentType
-          )
-          retryCount = 0
-
-          etag = retryResponse.etag
-          return retryResponse.result
-        } else {
-          retryCount = 0
-
-          throw new Error('Request retry limit exceeded')
-        }
-      }
-
-      etag = response.headers.get('ETag')
-      return responseTransformed
-    }
-  })
+    })
+    .catch((err) => {
+      throw err
+    })
 
   return { result, etag }
 }