feat(compute-api): implement job execution via compute API

src/utils/formatDataForRequest.ts

@@ -0,0 +1,33 @@
+import { convertToCSV } from "./convertToCsv";
+import { splitChunks } from "./splitChunks";
+
+export const formatDataForRequest = (data: any) => {
+  const sasjsTables = [];
+  let tableCounter = 0;
+  const result: any = {};
+
+  for (const tableName in data) {
+    tableCounter++;
+    sasjsTables.push(tableName);
+    const csv = convertToCSV(data[tableName]);
+    if (csv === "ERROR: LARGE STRING LENGTH") {
+      throw new Error(
+        "The max length of a string value in SASjs is 32765 characters."
+      );
+    }
+    // if csv has length more then 16k, send in chunks
+    if (csv.length > 16000) {
+      const csvChunks = splitChunks(csv);
+      // append chunks to form data with same key
+      result[`sasjs${tableCounter}data0`] = csvChunks.length;
+      csvChunks.forEach((chunk, index) => {
+        result[`sasjs${tableCounter}data${index + 1}`] = chunk;
+      });
+    } else {
+      result[`sasjs${tableCounter}data`] = csv;
+    }
+  }
+  result["sasjs_tables"] = sasjsTables.join(" ");
+
+  return result;
+};

src/utils/makeRequest.ts

@@ -5,11 +5,12 @@ export async function makeRequest<T>(
   request: RequestInit,
   callback: (value: CsrfToken) => any,
   contentType: "text" | "json" = "json"
-): Promise<T> {
+): Promise<{ result: T; etag: string | null }> {
   const responseTransform =
     contentType === "json"
       ? (res: Response) => res.json()
       : (res: Response) => res.text();
+  let etag = null;
   const result = await fetch(url, request).then((response) => {
     if (!response.ok) {
       if (response.status === 403) {
@@ -26,12 +27,16 @@ export async function makeRequest<T>(
             ...request,
             headers: { ...request.headers, [tokenHeader]: token },
           };
-          return fetch(url, retryRequest).then(responseTransform);
+          return fetch(url, retryRequest).then((res) => {
+            etag = res.headers.get("ETag");
+            return responseTransform(res);
+          });
         }
       }
     } else {
+      etag = response.headers.get("ETag");
       return responseTransform(response);
     }
   });
-  return result;
+  return { result, etag };
 }