error while installing db-oracle package on windows 7

[vishalshivnath]

C:\Users>npm install db-oracle npm WARN package.json [email protected] No repository field. npm http GET https://registry.npmjs.org/db-oracle npm http 304 https://registry.npmjs.org/db-oracle

[email protected] install C:\Users\vishaltyagi\node_modules\db-oracle node-waf configure build 'node-waf' is not recognized as an internal or external command, operable program or batch file.

[email protected] preuninstall C:\Users\vishaltyagi\node_modules\db-oracle rm -rf build/* 'rm' is not recognized as an internal or external command, operable program or batch file. npm WARN continuing anyway undefined npm ERR! weird error 1 npm ERR! not ok code 0