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feature(util) exec.parallel: add ability to take and return object

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coderaiser 2014-07-04 09:29:55 -04:00
parent af209c0fe4
commit f8a564f2c8
1 changed files with 49 additions and 21 deletions
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70
lib/util.js
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@ -823,36 +823,64 @@
};
exec.parallel = function(funcs, callback) {
var errorWas,
var keys = [],
callbackWas = false,
arr = [],
obj = {},
count = 0,
allData = [null],
func = exec.ret(callback),
funcsCount = funcs.length;
funcs.forEach(function(func, num) {
exec(func, function() {
checkFunc(num + 1, arguments);
});
});
countFuncs = 0,
type = Util.getType(funcs);
function checkFunc(num, data) {
Util.checkArgs(arguments, ['funcs', 'callback']);
switch(type) {
case 'array':
countFuncs = funcs.length;
funcs.forEach(function(func, num) {
exec(func, function() {
checkFunc(num, arguments, arr);
});
});
break;
case 'object':
keys = Object.keys(funcs);
countFuncs = keys.length;
keys.forEach(function(name) {
var func = funcs[name];
exec(func, function() {
checkFunc(name, arguments, obj);
});
});
break;
}
function checkFunc(num, data, all) {
var args = Util.slice(data, 1),
isLast = false,
error = data[0],
length = args.length;
if (error) {
errorWas = true;
func(error);
} else if (!errorWas) {
++count;
++count;
isLast = count === countFuncs;
if (!error)
if (length >= 2)
allData[num] = args;
all[num] = args;
else
allData[num] = args[0];
all[num] = args[0];
if (!callbackWas && error || isLast) {
callbackWas = true;
if (count === funcsCount)
func.apply(null, allData);
if (type === 'array')
callback.apply(null, [error].concat(all));
else
callback(error, all);
}
}
};