3 ms·
I like the article, and I look forward to ES6 generators. However, if someone want the compactness of the second example today, CoffeeScript is another alterna
by sandstrom 12y ago
I like the article, and I look forward to ES6 generators.
However, if someone want the compactness of the second example today, CoffeeScript is another alternative:
conn = undefined
r.connect().then (c) ->
conn = c
r.dbCreate('quake').run(conn)
.then ->
r.db('quake').tableCreate('quakes').run(conn)
.then ->
r.db('quake').table('quakes')
.indexCreate('geometry', geo: true).run(conn)
.then ->
r.db('quake').table('quakes')
.insert(r.http(feedUrl)('features')).run(conn)
.error (err) ->
console.log(err) if err.msg.indexOf('already exists') == -1
.finally ->
conn.close() if conn
(obviously the main benefits with generators aren't concise code, but since the article mentioned conciseness I thought I'd post the CoffeeScript equivalent)
- espadrine 12y agoJS' fat arrow is also coming, which would give a similarly succinct code.
- Bahamut 12y agoThat can be done via ES6 as well, replacing -> with => and adding parentheses for those lambdas.
- sandstrom 12y agoTrue! The only difference are implicit returns and significant whitespace I guess (and trailing same-line conditionals). (think it'll even have the skinny arrow, the fat one binds `this` too)