fix(#246): fetch temporary datatypes

WIP

Author: marisademeglio

src/renderer/utils/temp-datatype.ts

@@ -0,0 +1,29 @@
+import { datatypeXmlToJson } from 'shared/parser/pipelineXmlConverter'
+
+const { App } = window
+// import { baseurl } from 'shared/types'
+// import { useWindowStore } from 'renderer/store'
+
+async function fetchTemporaryDatatype(id) {
+    try {
+        // let href = `${baseurl(
+        //     useWindowStore().pipeline.webservice
+        // )}/datatypes/${id}`
+        // TODO construct URL dynamically; the above was causing react to throw lifecycle error
+        let href = `http://localhost:49152/ws/datatypes/${id}`
+        // can't use IPC fetch due to async problems matching event send and receive
+        // when multiple controls could be sending the same type of event
+        // however this browser-based fetch is at risk of CORS issues depending on how the pipeline engine
+        // was started
+        // the reason we have to do this differently than with standard datatypes is that these temp
+        // datatypes aren't at the global /datatypes endpoint
+        let data = await fetch(href)
+        let txt = await data.text()
+        console.log(`data for ${id}: \n`, txt)
+        let datatypeAsJson = datatypeXmlToJson(href, id, txt)
+        return datatypeAsJson ?? null
+    } catch (err) {
+        return null
+    }
+}
+export { fetchTemporaryDatatype }