@singcl/co

CO

!David
!David

A counterfeit co refer to co.

Generator based flow-control goodness for nodejs, using thunks or promises, letting you write non-blocking code in a nice-ish way.

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npm install @singcl/co -S

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``js
var fs = require('fs');
var path = require('path');

var co = require('@singcl/co');
var thunkify = co.thunkify;
var promisify = co.promisify;

var reaFileThunkify = thunkify(fs.readFile);
var reaFilePromisify = promisify(fs.readFile);

var filePath1 = path.resolve(__dirname, './test.txt');
var filePath2 = path.resolve(__dirname, './co.exam.js');

co(function* (path) {
var a = yield reaFileThunkify(path, 'utf8');
var b = yield reaFileThunkify(path, 'utf8');
var c = yield reaFileThunkify(path, 'utf8');
console.log(a);
console.log(b);
console.log(c);
}, filePath1).then(function(v) {
console.log('co完成！', v);
});

co(function* (path) {
var a = reaFilePromisify(path, 'utf8');
var b = reaFilePromisify(path, 'utf8');
var c = reaFilePromisify(path, 'utf8');
var res = yield [a, b, c];
console.log(res);
}, filePath2).then(function(v) {
console.log('co完成！', v);
});

`

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The "yieldable" objects currently supported are:

- promises
- thunks (functions)
- array (parallel execution)
- generators (delegation)
- generator functions (delegation)

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API about more is at TJs co