Fui tentar concatenar, apresentou um erro. Segue o log:
0 info it worked if it ends with ok
1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe',
1 verbose cli 'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli 'run',
1 verbose cli 'build-js' ]
2 info using npm@3.10.8
3 info using node@v6.9.1
4 verbose stack Error: missing script: build-js
4 verbose stack at run (C:\Program Files\nodejs\node_modules\npm\lib\run-script.js:151:19)
4 verbose stack at C:\Program Files\nodejs\node_modules\npm\lib\run-script.js:61:5
4 verbose stack at C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:356:5
4 verbose stack at checkBinReferences_ (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:320:45)
4 verbose stack at final (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:354:3)
4 verbose stack at then (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:124:5)
4 verbose stack at ReadFileContext.<anonymous> (C:\Program Files\nodejs\node_modules\npm\node_modules\read-package-json\read-json.js:295:20)
4 verbose stack at ReadFileContext.callback (C:\Program Files\nodejs\node_modules\npm\node_modules\graceful-fs\graceful-fs.js:78:16)
4 verbose stack at FSReqWrap.readFileAfterOpen [as oncomplete] (fs.js:365:13)
5 verbose cwd C:\Users\thiago\Desktop\TREINAMENTO GULP\projeto_g\projeto
6 error Windows_NT 10.0.10586
7 error argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "build-js"
8 error node v6.9.1
9 error npm v3.10.8
10 error missing script: build-js
11 error If you need help, you may report this error at:
11 error <https://github.com/npm/npm/issues>
12 verbose exit [ 1, true ]
o copy funcionou corretamente.