use temporary file for srcmap instead of on-disk file

buildtools/sourcemapper.go

@@ -50,23 +50,24 @@ func buildOutputTransform(buildOutput string, srcMap map[string]LineRange) strin
         panic(err.Error())
       }
     } else {
-      self += l + "\n"
+      self += l
     }
   }
   return self
 }
 
 func main() {
-  if len(os.Args) == 2 {
+  if len(os.Args) == 3 {
     errFilename := os.Args[1];
+    srcMapFilename := os.Args[2];
     errFile, err1 := os.ReadFile(errFilename);
-    srcMapFile, err2 := os.ReadFile(".srcmap");
+    srcMapFile, err2 := os.ReadFile(srcMapFilename);
     if err1 != nil || err2 != nil {
       panic("Couldn't open either the error temp file or the source map");
     }
     srcMap := srcMapDeserialize(string(srcMapFile[:]))
     fmt.Print(buildOutputTransform(string(errFile[:]), srcMap))
   } else {
-    fmt.Println("usage: sourcemapper ERRFILE");
+    fmt.Println("usage: sourcemapper ERRFILE SRCMAP");
   }
 }

src/build.sh

@@ -9,12 +9,13 @@ if [ ! -z "$1" ]; then
 fi
 
 # build the source map and concatenate the source
+srcmap=$(mktemp)
 for f in *.ts; do
   lines=$(wc -l ${f})
   set ${lines}
   lines=$1
 
-  echo "${f}\t${lines}" >> .srcmap
+  echo "${f}\t${lines}" >> ${srcmap}
   cat ${f} >> ${progname}.ts
 done
 
@@ -25,9 +26,9 @@ errorOut=$(mktemp)
 tsc --strict --target ES2015 --outFile ../static/${progname}.js ${progname}.ts | sed -e s/\(/:/ -e s/,/:/ -e s/\):// | nobs >> ${errorOut}
 
 # translate lines into original source with the source map and output to stdout
-../buildtools/sourcemapper ${errorOut}
+../buildtools/sourcemapper ${errorOut} ${srcmap}
 
 # delete the temporary files
 rm ${errorOut}
 rm ${progname}.ts
-rm .srcmap
+rm ${srcmap}