$ npm run prepublishOnly> @steemit/dsteem@0.10.2 prepublishOnly /home/sdu/web/dsteem> make alltsc -p tsconfig.json --outDir lib && \VERSION="$(node -p 'require("./package.json").version')"; \echo "module.exports = '${VERSION}';" > lib/version.jstouch libbrowserify src/index-browser.ts --debug --full-paths \--standalone dsteem --plugin tsify \--transform [ babelify --extensions .ts ] \| derequire > dist/dsteem.jsuglifyjs dist/dsteem.js \--source-map "content=inline,url=dsteem.js.map,filename=dist/dsteem.js.map" \--compress "dead_code,collapse_vars,reduce_vars,keep_infinity,drop_console,passes=2" \--output dist/dsteem.js || rm dist/dsteem.jsParse error at dist/dsteem.js:3078,0const Buffer = _dereq_('safe-buffer').Buffer^ERROR: Unexpected token: keyword (const)    at JS_Parse_Error.get (eval at <anonymous> (/home/sdu/web/dsteem/node_modules/uglify-js/tools/node.js:21:1), <anonymous>:73:23)    at fatal (/home/sdu/web/dsteem/node_modules/uglify-js/bin/uglifyjs:291:53)    at run (/home/sdu/web/dsteem/node_modules/uglify-js/bin/uglifyjs:235:9)    at Object.<anonymous> (/home/sdu/web/dsteem/node_modules/uglify-js/bin/uglifyjs:160:5)    at Module._compile (module.js:624:30)    at Object.Module._extensions..js (module.js:635:10)    at Module.load (module.js:545:32)    at tryModuleLoad (module.js:508:12)    at Function.Module._load (module.js:500:3)    at Function.Module.runMain (module.js:665:10)gzip -9 -f -c dist/dsteem.js > dist/dsteem.js.gzgzip: dist/dsteem.js: No such file or directoryMakefile:32: recipe for target 'dist/dsteem.js.gz' failedmake: *** [dist/dsteem.js.gz] Error 1npm ERR! code ELIFECYCLEnpm ERR! errno 2npm ERR! @steemit/dsteem@0.10.2 prepublishOnly: `make all`npm ERR! Exit status 2