code-server: fix build

  yarn' = yarn.override { inherit nodejs; };

  defaultYarnOpts = [ ];

  esbuild' = esbuild.override {

    buildGoModule = args: buildGoModule (args // rec {

      version = "0.16.17";

      src = fetchFromGitHub {

        owner = "evanw";

        repo = "esbuild";

        rev = "v${version}";

        hash = "sha256-8L8h0FaexNsb3Mj6/ohA37nYLFogo5wXkAhGztGUUsQ=";

      };

      vendorHash = "sha256-+BfxCyg0KkDQpHt/wycy/8CTG6YBA/VJvJFhhzUnSiQ=";

    });

  };

  # replaces esbuild's download script with a binary from nixpkgs

  patchEsbuild = path : version : ''

    mkdir -p ${path}/node_modules/esbuild/bin

    jq "del(.scripts.postinstall)" ${path}/node_modules/esbuild/package.json | sponge ${path}/node_modules/esbuild/package.json

    sed -i 's/${version}/${esbuild.version}/g' ${path}/node_modules/esbuild/lib/main.js

    ln -s -f ${esbuild}/bin/esbuild ${path}/node_modules/esbuild/bin/esbuild

    sed -i 's/${version}/${esbuild'.version}/g' ${path}/node_modules/esbuild/lib/main.js

    ln -s -f ${esbuild'}/bin/esbuild ${path}/node_modules/esbuild/bin/esbuild

  '';

in stdenv.mkDerivation rec {