npm ERR! prepareGitDep 1>
npm ERR! prepareGitDep > node-sass@4.12.0 install /home/ilab/.npm/_cacache/tmp/git-clone-7032c18a/node_modules/node-sass
npm ERR! prepareGitDep > node scripts/install.js
npm ERR! prepareGitDep
npm ERR! prepareGitDep Cached binary found at /home/ilab/.npm/node-sass/4.12.0/linux-x64-64_binding.node
npm ERR! prepareGitDep
npm ERR! prepareGitDep > node-sass@4.12.0 postinstall /home/ilab/.npm/_cacache/tmp/git-clone-7032c18a/node_modules/node-sass
npm ERR! prepareGitDep > node scripts/build.js
npm ERR! prepareGitDep
npm ERR! prepareGitDep Binary found at /home/ilab/.npm/_cacache/tmp/git-clone-7032c18a/node_modules/node-sass/vendor/linux-x64-64/binding.node
npm ERR! prepareGitDep Testing binary
npm ERR! prepareGitDep Binary is fine
npm ERR! prepareGitDep
npm ERR! prepareGitDep > swiss-angular2-common@0.3.0 prepare /home/ilab/.npm/_cacache/tmp/git-clone-7032c18a
npm ERR! prepareGitDep > gulp build
npm ERR! prepareGitDep
npm ERR! prepareGitDep
npm ERR! prepareGitDep 2> npm WARN install Usage of the `--dev` option is deprecated. Use `--only=dev` instead.
npm ERR! prepareGitDep gulp[15395]: ../src/node_contextify.cc:635:static void node::contextify::ContextifyScript::New(const v8::FunctionCallbackInfo<v8::Value>&): Assertion `args[1]->IsString()' failed.
npm ERR! prepareGitDep  1: 0x8fa0c0 node::Abort() [gulp]
npm ERR! prepareGitDep  2: 0x8fa195  [gulp]
npm ERR! prepareGitDep  3: 0x92e5be node::contextify::ContextifyScript::New(v8::FunctionCallbackInfo<v8::Value> const&) [gulp]
npm ERR! prepareGitDep  4: 0xb8d2db  [gulp]
npm ERR! prepareGitDep  5: 0xb8f272 v8::internal::Builtin_HandleApiCall(int, v8::internal::Object**, v8::internal::Isolate*) [gulp]
npm ERR! prepareGitDep  6: 0x346e4ebdbe1d
npm ERR! prepareGitDep Aborted (core dumped)
npm ERR! prepareGitDep npm ERR! code ELIFECYCLE
npm ERR! prepareGitDep npm ERR! errno 134
npm ERR! prepareGitDep npm ERR! swiss-angular2-common@0.3.0 prepare: `gulp build`
npm ERR! prepareGitDep npm ERR! Exit status 134
npm ERR! prepareGitDep npm ERR!
npm ERR! prepareGitDep npm ERR! Failed at the swiss-angular2-common@0.3.0 prepare script.
npm ERR! prepareGitDep npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! prepareGitDep
npm ERR! prepareGitDep npm ERR! A complete log of this run can be found in:
npm ERR! prepareGitDep npm ERR!     /home/ilab/.npm/_logs/2019-08-21T10_39_33_557Z-debug.log
npm ERR! prepareGitDep
npm ERR! premature close