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Update co

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Rico Sta. Cruz 2015-09-21 13:16:41 +08:00
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commit f868b37f59
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@ -5,10 +5,11 @@ title: co
[co]: https://github.com/tj/co [co]: https://github.com/tj/co
[thunkify]: https://github.com/visionmedia/node-thunkify [thunkify]: https://github.com/visionmedia/node-thunkify
[unyield]: https://github.com/MatthewMueller/unyield [unyield]: https://github.com/MatthewMueller/unyield
[promisify]: https://www.npmjs.com/package/promisify
[co] allows you to use generators to manage async flow. [co] allows you to use generators to manage async flow.
### Generator → promise ### Running generators
A generator can `yield` a thunk or promise. Using `co()` will immediately invoke the block inside it. A generator can `yield` a thunk or promise. Using `co()` will immediately invoke the block inside it.
@ -18,7 +19,7 @@ co(function * () {
}).then(...) }).then(...)
``` ```
### Generator() → Promise() ### Generator → Promise
Use `co.wrap()`. Most of the time, you'll be using co.wrap. Use `co.wrap()`. Most of the time, you'll be using co.wrap.
@ -30,7 +31,7 @@ var fn = co.wrap(function * (val) {
fn().then(...) fn().then(...)
``` ```
### Generator() → Node callback() ### Generator → Node callback
Use [unyield]. (You can [thunkify] this later) Use [unyield]. (You can [thunkify] this later)
@ -41,9 +42,9 @@ var get = unyield(function * () {
get(function (err, res) { ... }) get(function (err, res) { ... })
``` ```
### Node callback() → Thunk() ### Node callback → Thunk
Use [thunkify]. You can yield this. Use [thunkify]. You can yield this. You can also use [promisify] too.
```js ```js
var readFile = thunkify(fs.readFile) var readFile = thunkify(fs.readFile)