fix(*): separate job execution code from main SASjs class

src/file/generateTableUploadForm.ts

@@ -0,0 +1,31 @@
+import { convertToCSV } from '../utils/convertToCsv'
+import { splitChunks } from '../utils/splitChunks'
+
+export const generateTableUploadForm = (formData: FormData, data: any) => {
+  const sasjsTables = []
+  const requestParams: any = {}
+  let tableCounter = 0
+  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
+      csvChunks.map((chunk) => {
+        formData.append(`sasjs${tableCounter}data`, chunk)
+      })
+    } else {
+      requestParams[`sasjs${tableCounter}data`] = csv
+    }
+  }
+  requestParams['sasjs_tables'] = sasjsTables.join(' ')
+
+  return { formData, requestParams }
+}