1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | const Promise = require('bluebird'); class Connection { query() { return Promise.resolve('query'); } close() { console.log('close'); } } class DB { connect() { return Promise.resolve(new Connection()); } } const disposer = new DB().connect().disposer(connection => connection.close()); Promise.using(disposer, connection => connection.query()) .then(console.log).catch(console.error); |
1 2 3 4 5 6 | Promise.delay(1000, 'hello').then(console.log); Promise.delay(1000, 'hello') .timeout(500, 'timed out') .then(console.log) .catch(console.error); |
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