refactor: extract parsing java StackTraceElement to allow improving

src/parsers/java-junit/java-stack-trace-element-parser.ts

@@ -0,0 +1,22 @@
+export interface StackTraceElement {
+  tracePath: string
+  fileName: string
+  lineStr: string
+}
+
+// simple format:
+// at <FULLY_QUALIFIED_METHOD_NAME>(<FILE_NAME>:<LINE_NUMBER>)
+const re = /^at (.*)\((.*):(\d+)\)$/
+
+export function parseStackTraceElement(stackTraceLine: string): StackTraceElement | undefined {
+  const match = stackTraceLine.match(re)
+  if (match !== null) {
+    const [_, tracePath, fileName, lineStr] = match
+    return {
+      tracePath,
+      fileName,
+      lineStr
+    }
+  }
+  return undefined
+}