fx_cast_bridge: 0.0.7 -> 0.1.2 (#121963)

The prevision version was out-of-date and incompatible with the latest extension.

This also updates to build from source.

Right now we also ship the devDependencies of the bridge due to limitations in node2nix.

5 files changed, 3688 insertions, 68 deletions

diff --git a/pkgs/tools/misc/fx_cast/default.nix b/pkgs/tools/misc/fx_cast/default.nix
index 4fcb5a65573..e3458ccfe5c 100644
--- a/pkgs/tools/misc/fx_cast/default.nix
+++ b/pkgs/tools/misc/fx_cast/default.nix
@@ -1,85 +1,64 @@
-{ lib, stdenv, fetchurl, dpkg }:
-
+# How to generate a new version:
+#
+# Update version and hash as usual.
+#
+# ```
+# cd fx_cast/app
+# # Add `"name": "fx_cast_bridge", "version": "...",` to package.json and package-lock.json
+# nix run nixpkgs.nodePackages.node2nix -c node2nix -l package-lock.json -d
+# cp -v node-*.nix package*.json ~/p/nixpkgs/pkgs/tools/misc/fx_cast/app
+# ```
+{ pkgs, stdenv, system }: let
+  nodeEnv = import ./node-env.nix {
+    inherit (pkgs) nodejs stdenv lib python2 runCommand writeTextFile;
+    inherit pkgs;
+    libtool = if stdenv.isDarwin then pkgs.darwin.cctools else null;
+  };
+  nodePackages = import ./node-packages.nix {
+    inherit (pkgs) fetchurl nix-gitignore stdenv lib fetchgit;
+    inherit nodeEnv;
+    globalBuildInputs = [pkgs.avahi-compat];
+  };
+in
 stdenv.mkDerivation rec {
-  pname = "fx_cast_bridge";
-  version = "0.0.7";
-
-  src = fetchurl {
-     url = "https://github.com/hensm/fx_cast/releases/download/v${version}/${pname}-${version}-x64.deb";
-     sha256 = "0kd58vzsq1qzl7qsh1qv25ylxvr5y37li03gjb48x4vhd85slzz5";
+  name = "fx_cast_bridge-${version}";
+  version = "0.1.2";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "hensm";
+    repo = "fx_cast";
+    rev = "v${version}";
+    hash = "sha256:1prgk9669xgwkdl39clq0l75n0gnkkpn27gp9rbgl4bafrhvmg9a";
   };
 
-  nativeBuildInputs = [ dpkg ];
+  buildInputs = with pkgs; [
+    nodejs
+  ];
 
-  unpackPhase = ''
-    runHook preUnpack
-    dpkg-deb -xv $src ./
-    runHook postUnpack
+  buildPhase = ''
+    ln -vs ${nodePackages.nodeDependencies}/lib/node_modules app/node_modules
+    npm run build:app
   '';
 
-  dontBuild = true;
-  dontPatchELF = true;
-
   installPhase = ''
-    install -DT {opt/fx_cast,$out/bin}/${pname}
-    install -DT {usr,$out}/lib/mozilla/native-messaging-hosts/${pname}.json
-
-    substituteInPlace $out/lib/mozilla/native-messaging-hosts/${pname}.json \
-      --replace {/opt/fx_cast,$out/bin}/${pname}
-  '';
-
-  # See now-cli/default.nix
-  dontStrip = true;
-  preFixup = let
-    libPath = lib.makeLibraryPath [stdenv.cc.cc stdenv.cc.libc];
-    bin = "$out/bin/${pname}";
-  in ''
-
-    orig_size=$(stat --printf=%s ${bin})
-
-    patchelf --set-interpreter "${stdenv.cc.bintools.dynamicLinker}" ${bin}
-    patchelf --set-rpath ${libPath} ${bin}
-    chmod +x ${bin}
-
-    new_size=$(stat --printf=%s ${bin})
-
-    ###### zeit-pkg fixing starts here.
-    # we're replacing plaintext js code that looks like
-    # PAYLOAD_POSITION = '1234                  ' | 0
-    # [...]
-    # PRELUDE_POSITION = '1234                  ' | 0
-    # ^-----20-chars-----^^------22-chars------^
-    # ^-- grep points here
-    #
-    # var_* are as described above
-    # shift_by seems to be safe so long as all patchelf adjustments occur
-    # before any locations pointed to by hardcoded offsets
-
-    var_skip=20
-    var_select=22
-    shift_by=$(expr $new_size - $orig_size)
-
-    function fix_offset {
-      # $1 = name of variable to adjust
-      location=$(grep -obUam1 "$1" ${bin} | cut -d: -f1)
-      location=$(expr $location + $var_skip)
-
-      value=$(dd if=${bin} iflag=count_bytes,skip_bytes skip=$location \
-                 bs=1 count=$var_select status=none)
-      value=$(expr $shift_by + $value)
+    mkdir -p $out/bin $out/lib/mozilla/native-messaging-hosts $out/opt
 
-      echo -n $value | dd of=${bin} bs=1 seek=$location conv=notrunc
-    }
+    substituteInPlace dist/app/fx_cast_bridge.json \
+      --replace "$(realpath dist/app/fx_cast_bridge.sh)" "$out/bin/fx_cast_bridge"
+    mv dist/app/fx_cast_bridge.json $out/lib/mozilla/native-messaging-hosts
 
-    fix_offset PAYLOAD_POSITION
-    fix_offset PRELUDE_POSITION
+    echo "#! /bin/sh
+      NODE_PATH=${nodePackages.nodeDependencies}/lib/node_modules exec ${pkgs.nodejs}/bin/node $out/opt/fx_cast_bridge/src/main.js --_name fx_cast_bridge \"\$@\"
+    " >$out/bin/fx_cast_bridge
+    chmod +x $out/bin/fx_cast_bridge
 
+    mv dist/app $out/opt/fx_cast_bridge
   '';
 
-  meta = with lib; {
+  meta = with pkgs.lib; {
     description = "Implementation of the Chrome Sender API (Chromecast) within Firefox";
     homepage = "https://hensm.github.io/fx_cast/";
     license = licenses.mit;
-    maintainers = with maintainers; [ dtzWill ];
+    maintainers = with maintainers; [ dtzWill kevincox ];
   };
 }
diff --git a/pkgs/tools/misc/fx_cast/node-env.nix b/pkgs/tools/misc/fx_cast/node-env.nix
new file mode 100644
index 00000000000..c2b723195b7
--- /dev/null
+++ b/pkgs/tools/misc/fx_cast/node-env.nix
@@ -0,0 +1,567 @@
+# This file originates from node2nix
+
+{lib, stdenv, nodejs, python2, pkgs, libtool, runCommand, writeTextFile}:
+
+let
+  # Workaround to cope with utillinux in Nixpkgs 20.09 and util-linux in Nixpkgs master
+  utillinux = if pkgs ? utillinux then pkgs.utillinux else pkgs.util-linux;
+
+  python = if nodejs ? python then nodejs.python else python2;
+
+  # Create a tar wrapper that filters all the 'Ignoring unknown extended header keyword' noise
+  tarWrapper = runCommand "tarWrapper" {} ''
+    mkdir -p $out/bin
+
+    cat > $out/bin/tar <<EOF
+    #! ${stdenv.shell} -e
+    $(type -p tar) "\$@" --warning=no-unknown-keyword --delay-directory-restore
+    EOF
+
+    chmod +x $out/bin/tar
+  '';
+
+  # Function that generates a TGZ file from a NPM project
+  buildNodeSourceDist =
+    { name, version, src, ... }:
+
+    stdenv.mkDerivation {
+      name = "node-tarball-${name}-${version}";
+      inherit src;
+      buildInputs = [ nodejs ];
+      buildPhase = ''
+        export HOME=$TMPDIR
+        tgzFile=$(npm pack | tail -n 1) # Hooks to the pack command will add output (https://docs.npmjs.com/misc/scripts)
+      '';
+      installPhase = ''
+        mkdir -p $out/tarballs
+        mv $tgzFile $out/tarballs
+        mkdir -p $out/nix-support
+        echo "file source-dist $out/tarballs/$tgzFile" >> $out/nix-support/hydra-build-products
+      '';
+    };
+
+  includeDependencies = {dependencies}:
+    lib.optionalString (dependencies != [])
+      (lib.concatMapStrings (dependency:
+        ''
+          # Bundle the dependencies of the package
+          mkdir -p node_modules
+          cd node_modules
+
+          # Only include dependencies if they don't exist. They may also be bundled in the package.
+          if [ ! -e "${dependency.name}" ]
+          then
+              ${composePackage dependency}
+          fi
+
+          cd ..
+        ''
+      ) dependencies);
+
+  # Recursively composes the dependencies of a package
+  composePackage = { name, packageName, src, dependencies ? [], ... }@args:
+    builtins.addErrorContext "while evaluating node package '${packageName}'" ''
+      DIR=$(pwd)
+      cd $TMPDIR
+
+      unpackFile ${src}
+
+      # Make the base dir in which the target dependency resides first
+      mkdir -p "$(dirname "$DIR/${packageName}")"
+
+      if [ -f "${src}" ]
+      then
+          # Figure out what directory has been unpacked
+          packageDir="$(find . -maxdepth 1 -type d | tail -1)"
+
+          # Restore write permissions to make building work
+          find "$packageDir" -type d -exec chmod u+x {} \;
+          chmod -R u+w "$packageDir"
+
+          # Move the extracted tarball into the output folder
+          mv "$packageDir" "$DIR/${packageName}"
+      elif [ -d "${src}" ]
+      then
+          # Get a stripped name (without hash) of the source directory.
+          # On old nixpkgs it's already set internally.
+          if [ -z "$strippedName" ]
+          then
+              strippedName="$(stripHash ${src})"
+          fi
+
+          # Restore write permissions to make building work
+          chmod -R u+w "$strippedName"
+
+          # Move the extracted directory into the output folder
+          mv "$strippedName" "$DIR/${packageName}"
+      fi
+
+      # Unset the stripped name to not confuse the next unpack step
+      unset strippedName
+
+      # Include the dependencies of the package
+      cd "$DIR/${packageName}"
+      ${includeDependencies { inherit dependencies; }}
+      cd ..
+      ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
+    '';
+
+  pinpointDependencies = {dependencies, production}:
+    let
+      pinpointDependenciesFromPackageJSON = writeTextFile {
+        name = "pinpointDependencies.js";
+        text = ''
+          var fs = require('fs');
+          var path = require('path');
+
+          function resolveDependencyVersion(location, name) {
+              if(location == process.env['NIX_STORE']) {
+                  return null;
+              } else {
+                  var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json");
+
+                  if(fs.existsSync(dependencyPackageJSON)) {
+                      var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON));
+
+                      if(dependencyPackageObj.name == name) {
+                          return dependencyPackageObj.version;
+                      }
+                  } else {
+                      return resolveDependencyVersion(path.resolve(location, ".."), name);
+                  }
+              }
+          }
+
+          function replaceDependencies(dependencies) {
+              if(typeof dependencies == "object" && dependencies !== null) {
+                  for(var dependency in dependencies) {
+                      var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency);
+
+                      if(resolvedVersion === null) {
+                          process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n");
+                      } else {
+                          dependencies[dependency] = resolvedVersion;
+                      }
+                  }
+              }
+          }
+
+          /* Read the package.json configuration */
+          var packageObj = JSON.parse(fs.readFileSync('./package.json'));
+
+          /* Pinpoint all dependencies */
+          replaceDependencies(packageObj.dependencies);
+          if(process.argv[2] == "development") {
+              replaceDependencies(packageObj.devDependencies);
+          }
+          replaceDependencies(packageObj.optionalDependencies);
+
+          /* Write the fixed package.json file */
+          fs.writeFileSync("package.json", JSON.stringify(packageObj, null, 2));
+        '';
+      };
+    in
+    ''
+      node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"}
+
+      ${lib.optionalString (dependencies != [])
+        ''
+          if [ -d node_modules ]
+          then
+              cd node_modules
+              ${lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies}
+              cd ..
+          fi
+        ''}
+    '';
+
+  # Recursively traverses all dependencies of a package and pinpoints all
+  # dependencies in the package.json file to the versions that are actually
+  # being used.
+
+  pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args:
+    ''
+      if [ -d "${packageName}" ]
+      then
+          cd "${packageName}"
+          ${pinpointDependencies { inherit dependencies production; }}
+          cd ..
+          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
+      fi
+    '';
+
+  # Extract the Node.js source code which is used to compile packages with
+  # native bindings
+  nodeSources = runCommand "node-sources" {} ''
+    tar --no-same-owner --no-same-permissions -xf ${nodejs.src}
+    mv node-* $out
+  '';
+
+  # Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty)
+  addIntegrityFieldsScript = writeTextFile {
+    name = "addintegrityfields.js";
+    text = ''
+      var fs = require('fs');
+      var path = require('path');
+
+      function augmentDependencies(baseDir, dependencies) {
+          for(var dependencyName in dependencies) {
+              var dependency = dependencies[dependencyName];
+
+              // Open package.json and augment metadata fields
+              var packageJSONDir = path.join(baseDir, "node_modules", dependencyName);
+              var packageJSONPath = path.join(packageJSONDir, "package.json");
+
+              if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored
+                  console.log("Adding metadata fields to: "+packageJSONPath);
+                  var packageObj = JSON.parse(fs.readFileSync(packageJSONPath));
+
+                  if(dependency.integrity) {
+                      packageObj["_integrity"] = dependency.integrity;
+                  } else {
+                      packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads.
+                  }
+
+                  if(dependency.resolved) {
+                      packageObj["_resolved"] = dependency.resolved; // Adopt the resolved property if one has been provided
+                  } else {
+                      packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories.
+                  }
+
+                  if(dependency.from !== undefined) { // Adopt from property if one has been provided
+                      packageObj["_from"] = dependency.from;
+                  }
+
+                  fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2));
+              }
+
+              // Augment transitive dependencies
+              if(dependency.dependencies !== undefined) {
+                  augmentDependencies(packageJSONDir, dependency.dependencies);
+              }
+          }
+      }
+
+      if(fs.existsSync("./package-lock.json")) {
+          var packageLock = JSON.parse(fs.readFileSync("./package-lock.json"));
+
+          if(![1, 2].includes(packageLock.lockfileVersion)) {
+             process.stderr.write("Sorry, I only understand lock file versions 1 and 2!\n");
+             process.exit(1);
+          }
+
+          if(packageLock.dependencies !== undefined) {
+              augmentDependencies(".", packageLock.dependencies);
+          }
+      }
+    '';
+  };
+
+  # Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes
+  reconstructPackageLock = writeTextFile {
+    name = "addintegrityfields.js";
+    text = ''
+      var fs = require('fs');
+      var path = require('path');
+
+      var packageObj = JSON.parse(fs.readFileSync("package.json"));
+
+      var lockObj = {
+          name: packageObj.name,
+          version: packageObj.version,
+          lockfileVersion: 1,
+          requires: true,
+          dependencies: {}
+      };
+
+      function augmentPackageJSON(filePath, dependencies) {
+          var packageJSON = path.join(filePath, "package.json");
+          if(fs.existsSync(packageJSON)) {
+              var packageObj = JSON.parse(fs.readFileSync(packageJSON));
+              dependencies[packageObj.name] = {
+                  version: packageObj.version,
+                  integrity: "sha1-000000000000000000000000000=",
+                  dependencies: {}
+              };
+              processDependencies(path.join(filePath, "node_modules"), dependencies[packageObj.name].dependencies);
+          }
+      }
+
+      function processDependencies(dir, dependencies) {
+          if(fs.existsSync(dir)) {
+              var files = fs.readdirSync(dir);
+
+              files.forEach(function(entry) {
+                  var filePath = path.join(dir, entry);
+                  var stats = fs.statSync(filePath);
+
+                  if(stats.isDirectory()) {
+                      if(entry.substr(0, 1) == "@") {
+                          // When we encounter a namespace folder, augment all packages belonging to the scope
+                          var pkgFiles = fs.readdirSync(filePath);
+
+                          pkgFiles.forEach(function(entry) {
+                              if(stats.isDirectory()) {
+                                  var pkgFilePath = path.join(filePath, entry);
+                                  augmentPackageJSON(pkgFilePath, dependencies);
+                              }
+                          });
+                      } else {
+                          augmentPackageJSON(filePath, dependencies);
+                      }
+                  }
+              });
+          }
+      }
+
+      processDependencies("node_modules", lockObj.dependencies);
+
+      fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2));
+    '';
+  };
+
+  prepareAndInvokeNPM = {packageName, bypassCache, reconstructLock, npmFlags, production}:
+    let
+      forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com";
+    in
+    ''
+        # Pinpoint the versions of all dependencies to the ones that are actually being used
+        echo "pinpointing versions of dependencies..."
+        source $pinpointDependenciesScriptPath
+
+        # Patch the shebangs of the bundled modules to prevent them from
+        # calling executables outside the Nix store as much as possible
+        patchShebangs .
+
+        # Deploy the Node.js package by running npm install. Since the
+        # dependencies have been provided already by ourselves, it should not
+        # attempt to install them again, which is good, because we want to make
+        # it Nix's responsibility. If it needs to install any dependencies
+        # anyway (e.g. because the dependency parameters are
+        # incomplete/incorrect), it fails.
+        #
+        # The other responsibilities of NPM are kept -- version checks, build
+        # steps, postprocessing etc.
+
+        export HOME=$TMPDIR
+        cd "${packageName}"
+        runHook preRebuild
+
+        ${lib.optionalString bypassCache ''
+          ${lib.optionalString reconstructLock ''
+            if [ -f package-lock.json ]
+            then
+                echo "WARNING: Reconstruct lock option enabled, but a lock file already exists!"
+                echo "This will most likely result in version mismatches! We will remove the lock file and regenerate it!"
+                rm package-lock.json
+            else
+                echo "No package-lock.json file found, reconstructing..."
+            fi
+
+            node ${reconstructPackageLock}
+          ''}
+
+          node ${addIntegrityFieldsScript}
+        ''}
+
+        npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${lib.optionalString production "--production"} rebuild
+
+        if [ "''${dontNpmInstall-}" != "1" ]
+        then
+            # NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
+            rm -f npm-shrinkwrap.json
+
+            npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${lib.optionalString production "--production"} install
+        fi
+    '';
+
+  # Builds and composes an NPM package including all its dependencies
+  buildNodePackage =
+    { name
+    , packageName
+    , version
+    , dependencies ? []
+    , buildInputs ? []
+    , production ? true
+    , npmFlags ? ""
+    , dontNpmInstall ? false
+    , bypassCache ? false
+    , reconstructLock ? false
+    , preRebuild ? ""
+    , dontStrip ? true
+    , unpackPhase ? "true"
+    , buildPhase ? "true"
+    , ... }@args:
+
+    let
+      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" ];
+    in
+    stdenv.mkDerivation ({
+      name = "node_${name}-${version}";
+      buildInputs = [ tarWrapper python nodejs ]
+        ++ lib.optional (stdenv.isLinux) utillinux
+        ++ lib.optional (stdenv.isDarwin) libtool
+        ++ buildInputs;
+
+      inherit nodejs;
+
+      inherit dontStrip; # Stripping may fail a build for some package deployments
+      inherit dontNpmInstall preRebuild unpackPhase buildPhase;
+
+      compositionScript = composePackage args;
+      pinpointDependenciesScript = pinpointDependenciesOfPackage args;
+
+      passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
+
+      installPhase = ''
+        # Create and enter a root node_modules/ folder
+        mkdir -p $out/lib/node_modules
+        cd $out/lib/node_modules
+
+        # Compose the package and all its dependencies
+        source $compositionScriptPath
+
+        ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
+
+        # Create symlink to the deployed executable folder, if applicable
+        if [ -d "$out/lib/node_modules/.bin" ]
+        then
+            ln -s $out/lib/node_modules/.bin $out/bin
+        fi
+
+        # Create symlinks to the deployed manual page folders, if applicable
+        if [ -d "$out/lib/node_modules/${packageName}/man" ]
+        then
+            mkdir -p $out/share
+            for dir in "$out/lib/node_modules/${packageName}/man/"*
+            do
+                mkdir -p $out/share/man/$(basename "$dir")
+                for page in "$dir"/*
+                do
+                    ln -s $page $out/share/man/$(basename "$dir")
+                done
+            done
+        fi
+
+        # Run post install hook, if provided
+        runHook postInstall
+      '';
+    } // extraArgs);
+
+  # Builds a node environment (a node_modules folder and a set of binaries)
+  buildNodeDependencies =
+    { name
+    , packageName
+    , version
+    , src
+    , dependencies ? []
+    , buildInputs ? []
+    , production ? true
+    , npmFlags ? ""
+    , dontNpmInstall ? false
+    , bypassCache ? false
+    , reconstructLock ? false
+    , dontStrip ? true
+    , unpackPhase ? "true"
+    , buildPhase ? "true"
+    , ... }@args:
+
+    let
+      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ];
+    in
+      stdenv.mkDerivation ({
+        name = "node-dependencies-${name}-${version}";
+
+        buildInputs = [ tarWrapper python nodejs ]
+          ++ lib.optional (stdenv.isLinux) utillinux
+          ++ lib.optional (stdenv.isDarwin) libtool
+          ++ buildInputs;
+
+        inherit dontStrip; # Stripping may fail a build for some package deployments
+        inherit dontNpmInstall unpackPhase buildPhase;
+
+        includeScript = includeDependencies { inherit dependencies; };
+        pinpointDependenciesScript = pinpointDependenciesOfPackage args;
+
+        passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
+
+        installPhase = ''
+          mkdir -p $out/${packageName}
+          cd $out/${packageName}
+
+          source $includeScriptPath
+
+          # Create fake package.json to make the npm commands work properly
+          cp ${src}/package.json .
+          chmod 644 package.json
+          ${lib.optionalString bypassCache ''
+            if [ -f ${src}/package-lock.json ]
+            then
+                cp ${src}/package-lock.json .
+            fi
+          ''}
+
+          # Go to the parent folder to make sure that all packages are pinpointed
+          cd ..
+          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
+
+          ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
+
+          # Expose the executables that were installed
+          cd ..
+          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
+
+          mv ${packageName} lib
+          ln -s $out/lib/node_modules/.bin $out/bin
+        '';
+      } // extraArgs);
+
+  # Builds a development shell
+  buildNodeShell =
+    { name
+    , packageName
+    , version
+    , src
+    , dependencies ? []
+    , buildInputs ? []
+    , production ? true
+    , npmFlags ? ""
+    , dontNpmInstall ? false
+    , bypassCache ? false
+    , reconstructLock ? false
+    , dontStrip ? true
+    , unpackPhase ? "true"
+    , buildPhase ? "true"
+    , ... }@args:
+
+    let
+      nodeDependencies = buildNodeDependencies args;
+    in
+    stdenv.mkDerivation {
+      name = "node-shell-${name}-${version}";
+
+      buildInputs = [ python nodejs ] ++ lib.optional (stdenv.isLinux) utillinux ++ buildInputs;
+      buildCommand = ''
+        mkdir -p $out/bin
+        cat > $out/bin/shell <<EOF
+        #! ${stdenv.shell} -e
+        $shellHook
+        exec ${stdenv.shell}
+        EOF
+        chmod +x $out/bin/shell
+      '';
+
+      # Provide the dependencies in a development shell through the NODE_PATH environment variable
+      inherit nodeDependencies;
+      shellHook = lib.optionalString (dependencies != []) ''
+        export NODE_PATH=${nodeDependencies}/lib/node_modules
+        export PATH="${nodeDependencies}/bin:$PATH"
+      '';
+    };
+in
+{
+  buildNodeSourceDist = lib.makeOverridable buildNodeSourceDist;
+  buildNodePackage = lib.makeOverridable buildNodePackage;
+  buildNodeDependencies = lib.makeOverridable buildNodeDependencies;
+  buildNodeShell = lib.makeOverridable buildNodeShell;
+}
diff --git a/pkgs/tools/misc/fx_cast/node-packages.nix b/pkgs/tools/misc/fx_cast/node-packages.nix
new file mode 100644
index 00000000000..c724f560574
--- /dev/null
+++ b/pkgs/tools/misc/fx_cast/node-packages.nix
@@ -0,0 +1,1706 @@
+# This file has been generated by node2nix 1.9.0. Do not edit!
+
+{nodeEnv, fetchurl, fetchgit, nix-gitignore, stdenv, lib, globalBuildInputs ? []}:
+
+let
+  sources = {
+    "@babel/parser-7.11.3" = {
+      name = "_at_babel_slash_parser";
+      packageName = "@babel/parser";
+      version = "7.11.3";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@babel/parser/-/parser-7.11.3.tgz";
+        sha512 = "REo8xv7+sDxkKvoxEywIdsNFiZLybwdI7hcT5uEPyQrSMB4YQ973BfC9OOrD/81MaIjh6UxdulIQXkjmiH3PcA==";
+      };
+    };
+    "@babel/runtime-7.11.2" = {
+      name = "_at_babel_slash_runtime";
+      packageName = "@babel/runtime";
+      version = "7.11.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@babel/runtime/-/runtime-7.11.2.tgz";
+        sha512 = "TeWkU52so0mPtDcaCTxNBI/IHiz0pZgr8VEFqXFtZWpYD08ZB6FaSwVAS8MKRQAP3bYKiVjwysOJgMFY28o6Tw==";
+      };
+    };
+    "@nodelib/fs.scandir-2.1.3" = {
+      name = "_at_nodelib_slash_fs.scandir";
+      packageName = "@nodelib/fs.scandir";
+      version = "2.1.3";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz";
+        sha512 = "eGmwYQn3gxo4r7jdQnkrrN6bY478C3P+a/y72IJukF8LjB6ZHeB3c+Ehacj3sYeSmUXGlnA67/PmbM9CVwL7Dw==";
+      };
+    };
+    "@nodelib/fs.stat-2.0.3" = {
+      name = "_at_nodelib_slash_fs.stat";
+      packageName = "@nodelib/fs.stat";
+      version = "2.0.3";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.3.tgz";
+        sha512 = "bQBFruR2TAwoevBEd/NWMoAAtNGzTRgdrqnYCc7dhzfoNvqPzLyqlEQnzZ3kVnNrSp25iyxE00/3h2fqGAGArA==";
+      };
+    };
+    "@nodelib/fs.walk-1.2.4" = {
+      name = "_at_nodelib_slash_fs.walk";
+      packageName = "@nodelib/fs.walk";
+      version = "1.2.4";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.4.tgz";
+        sha512 = "1V9XOY4rDW0rehzbrcqAmHnz8e7SKvX27gh8Gt2WgB0+pdzdiLV83p72kZPU+jvMbS1qU5mauP2iOvO8rhmurQ==";
+      };
+    };
+    "@protobufjs/aspromise-1.1.2" = {
+      name = "_at_protobufjs_slash_aspromise";
+      packageName = "@protobufjs/aspromise";
+      version = "1.1.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz";
+        sha1 = "9b8b0cc663d669a7d8f6f5d0893a14d348f30fbf";
+      };
+    };
+    "@protobufjs/base64-1.1.2" = {
+      name = "_at_protobufjs_slash_base64";
+      packageName = "@protobufjs/base64";
+      version = "1.1.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/base64/-/base64-1.1.2.tgz";
+        sha512 = "AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg==";
+      };
+    };
+    "@protobufjs/codegen-2.0.4" = {
+      name = "_at_protobufjs_slash_codegen";
+      packageName = "@protobufjs/codegen";
+      version = "2.0.4";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz";
+        sha512 = "YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg==";
+      };
+    };
+    "@protobufjs/eventemitter-1.1.0" = {
+      name = "_at_protobufjs_slash_eventemitter";
+      packageName = "@protobufjs/eventemitter";
+      version = "1.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz";
+        sha1 = "355cbc98bafad5978f9ed095f397621f1d066b70";
+      };
+    };
+    "@protobufjs/fetch-1.1.0" = {
+      name = "_at_protobufjs_slash_fetch";
+      packageName = "@protobufjs/fetch";
+      version = "1.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/fetch/-/fetch-1.1.0.tgz";
+        sha1 = "ba99fb598614af65700c1619ff06d454b0d84c45";
+      };
+    };
+    "@protobufjs/float-1.0.2" = {
+      name = "_at_protobufjs_slash_float";
+      packageName = "@protobufjs/float";
+      version = "1.0.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz";
+        sha1 = "5e9e1abdcb73fc0a7cb8b291df78c8cbd97b87d1";
+      };
+    };
+    "@protobufjs/inquire-1.1.0" = {
+      name = "_at_protobufjs_slash_inquire";
+      packageName = "@protobufjs/inquire";
+      version = "1.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz";
+        sha1 = "ff200e3e7cf2429e2dcafc1140828e8cc638f089";
+      };
+    };
+    "@protobufjs/path-1.1.2" = {
+      name = "_at_protobufjs_slash_path";
+      packageName = "@protobufjs/path";
+      version = "1.1.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz";
+        sha1 = "6cc2b20c5c9ad6ad0dccfd21ca7673d8d7fbf68d";
+      };
+    };
+    "@protobufjs/pool-1.1.0" = {
+      name = "_at_protobufjs_slash_pool";
+      packageName = "@protobufjs/pool";
+      version = "1.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz";
+        sha1 = "09fd15f2d6d3abfa9b65bc366506d6ad7846ff54";
+      };
+    };
+    "@protobufjs/utf8-1.1.0" = {
+      name = "_at_protobufjs_slash_utf8";
+      packageName = "@protobufjs/utf8";
+      version = "1.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz";
+        sha1 = "a777360b5b39a1a2e5106f8e858f2fd2d060c570";
+      };
+    };
+    "@types/color-name-1.1.1" = {
+      name = "_at_types_slash_color-name";
+      packageName = "@types/color-name";
+      version = "1.1.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz";
+        sha512 = "rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==";
+      };
+    };
+    "@types/long-4.0.0" = {
+      name = "_at_types_slash_long";
+      packageName = "@types/long";
+      version = "4.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/long/-/long-4.0.0.tgz";
+        sha512 = "1w52Nyx4Gq47uuu0EVcsHBxZFJgurQ+rTKS3qMHxR1GY2T8c2AJYd6vZoZ9q1rupaDjU0yT+Jc2XTyXkjeMA+Q==";
+      };
+    };
+    "@types/mdns-0.0.33" = {
+      name = "_at_types_slash_mdns";
+      packageName = "@types/mdns";
+      version = "0.0.33";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/mdns/-/mdns-0.0.33.tgz";
+        sha512 = "Uhm8lyPXIe2hz+aiiD6PXkGc7dlFk6Kc2HJlqmWXhAJktD5Arg27EYre0wv1SmmpSGQZ30X6iCjZyIGYKxmCxw==";
+      };
+    };
+    "@types/mime-types-2.1.0" = {
+      name = "_at_types_slash_mime-types";
+      packageName = "@types/mime-types";
+      version = "2.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/mime-types/-/mime-types-2.1.0.tgz";
+        sha1 = "9ca52cda363f699c69466c2a6ccdaad913ea7a73";
+      };
+    };
+    "@types/minimist-1.2.1" = {
+      name = "_at_types_slash_minimist";
+      packageName = "@types/minimist";
+      version = "1.2.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/minimist/-/minimist-1.2.1.tgz";
+        sha512 = "fZQQafSREFyuZcdWFAExYjBiCL7AUCdgsk80iO0q4yihYYdcIiH28CcuPTGFgLOCC8RlW49GSQxdHwZP+I7CNg==";
+      };
+    };
+    "@types/node-10.14.19" = {
+      name = "_at_types_slash_node";
+      packageName = "@types/node";
+      version = "10.14.19";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/node/-/node-10.14.19.tgz";
+        sha512 = "j6Sqt38ssdMKutXBUuAcmWF8QtHW1Fwz/mz4Y+Wd9mzpBiVFirjpNQf363hG5itkG+yGaD+oiLyb50HxJ36l9Q==";
+      };
+    };
+    "@types/node-13.13.15" = {
+      name = "_at_types_slash_node";
+      packageName = "@types/node";
+      version = "13.13.15";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/node/-/node-13.13.15.tgz";
+        sha512 = "kwbcs0jySLxzLsa2nWUAGOd/s21WU1jebrEdtzhsj1D4Yps1EOuyI1Qcu+FD56dL7NRNIJtDDjcqIG22NwkgLw==";
+      };
+    };
+    "@types/node-fetch-2.5.7" = {
+      name = "_at_types_slash_node-fetch";
+      packageName = "@types/node-fetch";
+      version = "2.5.7";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.5.7.tgz";
+        sha512 = "o2WVNf5UhWRkxlf6eq+jMZDu7kjgpgJfl4xVNlvryc95O/6F2ld8ztKX+qu+Rjyet93WAWm5LjeX9H5FGkODvw==";
+      };
+    };
+    "@types/ws-7.4.2" = {
+      name = "_at_types_slash_ws";
+      packageName = "@types/ws";
+      version = "7.4.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/@types/ws/-/ws-7.4.2.tgz";
+        sha512 = "PbeN0Eydl7LQl4OIav29YmkO2LxbVuz3nZD/kb19lOS+wLgIkRbWMNmU/QQR7ABpOJ7D7xDOU8co7iohObewrw==";
+      };
+    };
+    "ajv-6.12.3" = {
+      name = "ajv";
+      packageName = "ajv";
+      version = "6.12.3";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/ajv/-/ajv-6.12.3.tgz";
+        sha512 = "4K0cK3L1hsqk9xIb2z9vs/XU+PGJZ9PNpJRDS9YLzmNdX6jmVPfamLvTJr0aDAusnHyCHO6MjzlkAsgtqp9teA==";
+      };
+    };
+    "ansi-styles-4.2.1" = {
+      name = "ansi-styles";
+      packageName = "ansi-styles";
+      version = "4.2.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz";
+        sha512 = "9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==";
+      };
+    };
+    "array-union-2.1.0" = {
+      name = "array-union";
+      packageName = "array-union";
+      version = "2.1.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz";
+        sha512 = "HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==";
+      };
+    };
+    "asn1-0.2.4" = {
+      name = "asn1";
+      packageName = "asn1";
+      version = "0.2.4";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz";
+        sha512 = "jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==";
+      };
+    };
+    "assert-plus-1.0.0" = {
+      name = "assert-plus";
+      packageName = "assert-plus";
+      version = "1.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz";
+        sha1 = "f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525";
+      };
+    };
+    "asynckit-0.4.0" = {
+      name = "asynckit";
+      packageName = "asynckit";
+      version = "0.4.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz";
+        sha1 = "c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79";
+      };
+    };
+    "at-least-node-1.0.0" = {
+      name = "at-least-node";
+      packageName = "at-least-node";
+      version = "1.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/at-least-node/-/at-least-node-1.0.0.tgz";
+        sha512 = "+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==";
+      };
+    };
+    "aws-sign2-0.7.0" = {
+      name = "aws-sign2";
+      packageName = "aws-sign2";
+      version = "0.7.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz";
+        sha1 = "b46e890934a9591f2d2f6f86d7e6a9f1b3fe76a8";
+      };
+    };
+    "aws4-1.10.1" = {
+      name = "aws4";
+      packageName = "aws4";
+      version = "1.10.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/aws4/-/aws4-1.10.1.tgz";
+        sha512 = "zg7Hz2k5lI8kb7U32998pRRFin7zJlkfezGJjUc2heaD4Pw2wObakCDVzkKztTm/Ln7eiVvYsjqak0Ed4LkMDA==";
+      };
+    };
+    "bcrypt-pbkdf-1.0.2" = {
+      name = "bcrypt-pbkdf";
+      packageName = "bcrypt-pbkdf";
+      version = "1.0.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz";
+        sha1 = "a4301d389b6a43f9b67ff3ca11a3f6637e360e9e";
+      };
+    };
+    "big-integer-1.6.44" = {
+      name = "big-integer";
+      packageName = "big-integer";
+      version = "1.6.44";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/big-integer/-/big-integer-1.6.44.tgz";
+        sha512 = "7MzElZPTyJ2fNvBkPxtFQ2fWIkVmuzw41+BZHSzpEq3ymB2MfeKp1+yXl/tS75xCx+WnyV+yb0kp+K1C3UNwmQ==";
+      };
+    };
+    "bindings-1.2.1" = {
+      name = "bindings";
+      packageName = "bindings";
+      version = "1.2.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/bindings/-/bindings-1.2.1.tgz";
+        sha1 = "14ad6113812d2d37d72e67b4cacb4bb726505f11";
+      };
+    };
+    "bplist-creator-0.0.8" = {
+      name = "bplist-creator";
+      packageName = "bplist-creator";
+      version = "0.0.8";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/bplist-creator/-/bplist-creator-0.0.8.tgz";
+        sha512 = "Za9JKzD6fjLC16oX2wsXfc+qBEhJBJB1YPInoAQpMLhDuj5aVOv1baGeIQSq1Fr3OCqzvsoQcSBSwGId/Ja2PA==";
+      };
+    };
+    "bplist-parser-0.2.0" = {
+      name = "bplist-parser";
+      packageName = "bplist-parser";
+      version = "0.2.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/bplist-parser/-/bplist-parser-0.2.0.tgz";
+        sha512 = "z0M+byMThzQmD9NILRniCUXYsYpjwnlO8N5uCFaCqIOpqRsJCrQL9NK3JsD67CN5a08nF5oIL2bD6loTdHOuKw==";
+      };
+    };
+    "braces-3.0.2" = {
+      name = "braces";
+      packageName = "braces";
+      version = "3.0.2";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz";
+        sha512 = "b8um+L1RzM3WDSzvhm6gIz1yfTbBt6YTlcEKAvsmqCZZFw46z626lVj9j1yEPW33H5H+lBQpZMP1k8l+78Ha0A==";
+      };
+    };
+    "byline-5.0.0" = {
+      name = "byline";
+      packageName = "byline";
+      version = "5.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/byline/-/byline-5.0.0.tgz";
+        sha1 = "741c5216468eadc457b03410118ad77de8c1ddb1";
+      };
+    };
+    "caseless-0.12.0" = {
+      name = "caseless";
+      packageName = "caseless";
+      version = "0.12.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz";
+        sha1 = "1b681c21ff84033c826543090689420d187151dc";
+      };
+    };
+    "castv2-0.1.10" = {
+      name = "castv2";
+      packageName = "castv2";
+      version = "0.1.10";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/castv2/-/castv2-0.1.10.tgz";
+        sha512 = "3QWevHrjT22KdF08Y2a217IYCDQDP7vEJaY4n0lPBeC5UBYbMFMadDfVTsaQwq7wqsEgYUHElPGm3EO1ey+TNw==";
+      };
+    };
+    "chalk-3.0.0" = {
+      name = "chalk";
+      packageName = "chalk";
+      version = "3.0.0";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/chalk/-/chalk-3.0.0.tgz";
+        sha512 = "4D3B6Wf41KOYRFdszmDqMCGq5VV/uMAB273JILmO+3jAlh8X4qDtdtgCR3fxtbLEMzSx22QdhnDcJvu2u1fVwg==";
+      };
+    };
+    "color-convert-2.0.1" = {
+      name = "color-convert";
+      packageName = "color-convert";
+      version = "2.0.1";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz";
+        sha512 = "RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==";
+      };
+    };
+    "color-name-1.1.4" = {
+      name = "color-name";
+      packageName = "color-name";
+      version = "1.1.4";
+      src = fetchurl {
+        url = "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz";
+        sha512 = "dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==";
+      };
+    };
+    "combined-stream-1.0.8" = {
+      name = "combined-stream";
+      packageName = "combined-stream";
+      version = "1.0.8";
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+}
diff --git a/pkgs/tools/misc/fx_cast/package-lock.json b/pkgs/tools/misc/fx_cast/package-lock.json
new file mode 100644
index 00000000000..22e62c6fed8
--- /dev/null
+++ b/pkgs/tools/misc/fx_cast/package-lock.json
@@ -0,0 +1,1327 @@
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+            "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+            "dev": true
+        },
+        "verror": {
+            "version": "1.10.0",
+            "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+            "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+            "dev": true,
+            "requires": {
+                "assert-plus": "^1.0.0",
+                "core-util-is": "1.0.2",
+                "extsprintf": "^1.2.0"
+            }
+        },
+        "word-wrap": {
+            "version": "1.2.3",
+            "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+            "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+            "dev": true
+        },
+        "ws": {
+            "version": "7.4.5",
+            "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+            "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g=="
+        }
+    }
+}
diff --git a/pkgs/tools/misc/fx_cast/package.json b/pkgs/tools/misc/fx_cast/package.json
new file mode 100644
index 00000000000..2c155f78632
--- /dev/null
+++ b/pkgs/tools/misc/fx_cast/package.json
@@ -0,0 +1,41 @@
+{
+    "name": "fx_cast_bridge",
+    "version": "0.1.2",
+    "__applicationName": "fx_cast_bridge",
+    "__applicationVersion": "0.1.0",
+    "__applicationDirectoryName": "fx_cast",
+    "__applicationExecutableName": "fx_cast_bridge",
+    "scripts": {
+        "build": "node bin/build.js",
+        "package": "node bin/build.js --package",
+        "install-manifest": "node bin/install-manifest.js",
+        "remove-manifest": "node bin/install-manifest.js --remove"
+    },
+    "dependencies": {
+        "@types/minimist": "^1.2.1",
+        "@types/ws": "^7.4.0",
+        "bplist-creator": "0.0.8",
+        "bplist-parser": "^0.2.0",
+        "castv2": "^0.1.10",
+        "fast-srp-hap": "^2.0.2",
+        "mdns": "^2.5.1",
+        "mime-types": "^2.1.27",
+        "minimist": "^1.2.5",
+        "node-fetch": "^2.6.0",
+        "tweetnacl": "^1.0.3",
+        "ws": "^7.4.3"
+    },
+    "devDependencies": {
+        "@types/mdns": "0.0.33",
+        "@types/mime-types": "^2.1.0",
+        "@types/node": "^13.13.15",
+        "@types/node-fetch": "^2.5.7",
+        "fs-extra": "^9.1.0",
+        "mustache": "^4.0.1",
+        "pkg": "^4.4.9",
+        "typescript": "^4.1.5"
+    },
+    "optionalDependencies": {
+        "rage-edit": "^1.2.0"
+    }
+}