wrap typescript in overrides

overrides/nodejs/default.nix

@@ -109,6 +109,27 @@ in
         electronAppDir = "src";
 
         preBuild = {outputs, ...}: ''
+          # function to resolve symlinks to copies
+            symlinksToCopies() {
+              local dir="$1"
+
+              echo "transforming symlinks to copies..."
+              for f in $(find -L "$dir" -xtype l); do
+                if [ -f $f ]; then
+                  continue
+                fi
+                echo "copying $f"
+                chmod +wx $(dirname "$f")
+                mv "$f" "$f.bak"
+                mkdir "$f"
+                if [ -n "$(ls -A "$f.bak/")" ]; then
+                  cp -r "$f.bak"/* "$f/"
+                  chmod -R +w $f
+                fi
+                rm "$f.bak"
+              done
+            }
+
             # link dependencies of subpackage
             ln -s \
               ${outputs.subPackages.edex-ui-subpackage.packages.edex-ui-subpackage}/lib/node_modules/edex-ui-subpackage/node_modules \
@@ -738,26 +759,6 @@ in
               in "${pkg}/lib/node_modules/${pname}/node_modules")
               outputs.subPackages))}
 
-          symlinksToCopies() {
-            local dir="$1"
-
-            echo "transforming symlinks to copies..."
-            for f in $(find -L "$dir" -xtype l); do
-              if [ -f $f ]; then
-                continue
-              fi
-              echo "copying $f"
-              chmod +wx $(dirname "$f")
-              mv "$f" "$f.bak"
-              mkdir "$f"
-              if [ -n "$(ls -A "$f.bak/")" ]; then
-                cp -r "$f.bak"/* "$f/"
-                chmod -R +w $f
-              fi
-              rm "$f.bak"
-            done
-          }
-
           for dir in $(ls -d */); do
             if [ -f $dir/package.json ]; then
               echo "installing sub-package $dir"
@@ -774,12 +775,18 @@ in
       };
     };
 
-    # TODO: confirm this is actually working
+    # Allways call tsc --preserveSymlinks
+    # This overrides the argument of tsconfig.json
+    # Is required for installMethod != "copy"
     typescript = {
       preserve-symlinks = {
-        postPatch = ''
-          find -name '*.js' -exec \
-            ${ensureFileModified} {} sed -i "s/options.preserveSymlinks/true/g; s/compilerOptions.preserveSymlinks/true/g" {} \;
+        postInstall = ''
+          realTsc=$(realpath $out/bin/tsc)
+          rm $out/bin/tsc
+          makeWrapper \
+            $realTsc \
+            $out/bin/tsc \
+            --add-flags " --preserveSymlinks"
         '';
       };
     };

src/subsystems/nodejs/builders/granular-nodejs/default.nix

@@ -390,14 +390,6 @@
             else
               exit 1
             fi
-
-            # configure typescript
-            if [ -f ./tsconfig.json ] \
-                && node -e 'require("typescript")' &>/dev/null; then
-              node ${./tsconfig-to-json.js}
-              ${pkgs.jq}/bin/jq ".compilerOptions.preserveSymlinks = true" tsconfig.json \
-                  | ${pkgs.moreutils}/bin/sponge tsconfig.json
-            fi
           '';
 
           # - installs dependencies into the node_modules directory

src/subsystems/nodejs/builders/granular-nodejs/tsconfig-to-json.js

@@ -1,19 +0,0 @@
-try {
-  console.log(require.resolve("typescript"));
-} catch(e) {
-  console.error("typescript is not found");
-  process.exit(e.code);
-}
-
-const ts = require("typescript")
-const fs = require('fs')
-
-try {
-  const data = fs.readFileSync('tsconfig.json', 'utf8')
-} catch (err) {
-  console.error(err)
-}
-
-config = ts.parseConfigFileTextToJson(data)
-newdata = JSON.stringify(config)
-fs.writeFileSync('tsconfig.json', newdata);