require string

Author: Amitla Vannikumar

src/Microsoft.ComponentDetection.Detectors/go/GoComponentDetector.cs

@@ -19,6 +19,8 @@ namespace Microsoft.ComponentDetection.Detectors.Go;
 
 public class GoComponentDetector : FileComponentDetector
 {
+    private const string StartString = "require ";
+
     private static readonly Regex GoSumRegex = new(
         @"(?<name>.*)\s+(?<version>.*?)(/go\.mod)?\s+(?<hash>.*)",
         RegexOptions.Compiled | RegexOptions.ExplicitCapture | RegexOptions.IgnoreCase);
@@ -287,7 +289,6 @@ private async Task ParseGoModFileAsync(
         GoGraphTelemetryRecord goGraphTelemetryRecord)
     {
         using var reader = new StreamReader(file.Stream);
-        var startString = "require ";
 
         // There can be multiple require( ) sections in go 1.17+. loop over all of them.
         while (!reader.EndOfStream)
@@ -303,9 +304,9 @@ private async Task ParseGoModFileAsync(
 
                 // In go >= 1.17, direct dependencies are listed as "require x/y v1.2.3", and transitive dependencies
                 // are listed in the require () section
-                if (line.StartsWith(startString))
+                if (line.StartsWith(StartString))
                 {
-                    this.TryRegisterDependencyFromModLine(line[startString.Length..], singleFileComponentRecorder);
+                    this.TryRegisterDependencyFromModLine(line[StartString.Length..], singleFileComponentRecorder);
                 }
 
                 line = await reader.ReadLineAsync();