Files: 4785d5ea1d640ca8bd46c416557dde4dea903fc7 / watch.js
298 bytesRaw
| 1 | module.exports = watch |
| 2 | |
| 3 | function watch (observable, listener) { |
| 4 | listener = listener || noop |
| 5 | if (typeof observable === 'function') { |
| 6 | var remove = observable(listener) |
| 7 | listener(observable()) |
| 8 | return remove |
| 9 | } else { |
| 10 | listener(observable) |
| 11 | return noop |
| 12 | } |
| 13 | } |
| 14 | |
| 15 | function noop () {} |
| 16 |
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