new Buffer is deprecated and should be replaced by a different call

[joshunger]

new Buffer is deprecated.

See https://nodejs.org/api/buffer.html.

Usages:

• https://github.com/spotify/web-api-auth-examples/blob/master/client_credentials/app.js#L19
• https://github.com/spotify/web-api-auth-examples/blob/master/authorization_code/app.js#L126

[arirawr]

Good catch! @joshunger would you be interested in making a PR for this? 😄

[joshunger]

Hi @arirawr sure, can you assign the issue to me please?

[zzwong]

Saw the deprecated warning when trying out the examples. I went ahead and made the change on #30

[joshunger]

Thanks @zzwong !