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middleware-flow

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Comparing version 0.3.0 to 0.3.1

index.js

		var createCount = require('callback-count');

		var flow = module.exports = {
		series: function (/* middlewares */) {
		var args = Array.prototype.slice.call(arguments);
		return function (req, res, next) {
		var middlewares = args.slice(); // copy
		step(middlewares.shift());
		var error;
		function step (mw) {
		if (mw) {
		if (error) {
		mw(error, req, res, nextStep);
		}
		else {
		mw(req, res, nextStep);
		}
		}
		else {
		next(error); // done
		}
		}
		function nextStep (err) {
		if (err) {
		error = err;
		middlewares = middlewares.filter(lengthOf(4));
		}
		step(middlewares.shift()); // continue
		}
		};
		},
		parallel: function (/* middlewares */) {
		var args = Array.prototype.slice.call(arguments);
		return function (req, res, next) {
		var count = createCount(next);
		var middlewares = args.slice(); // copy

		middlewares.forEach(function () {
		count.inc(); // inc first just in case the middlewares are sync
		});
		middlewares.forEach(function (mw) {
		mw(req, res, count.next);
		});
		};
		},
		or: function (/* middlewares */) {
		var args = Array.prototype.slice.call(arguments);
		return function (req, res, next) {
		var middlewares = args.slice(); // copy
		var firstErr;

		step(middlewares.shift());
		function step (mw) {
		if (mw) {
		mw(req, res, nextStep);
		}
		else {
		next(firstErr); // done w/ err or no mw
		}
		}
		function nextStep (err) {
		if (err) {
		firstErr = firstErr \|\| err;
		step(middlewares.shift()); // continue
		}
		else {
		next(); // done
		}
		}
		};
		},
		series: require('./lib/series'),
		parallel: require('./lib/parallel'),
		or: require('./lib/or'),
		next: function (req, res, next) {
		@@ -73,0 +8,0 @@ next();

package.json

		{
		"name": "middleware-flow",
		"version": "0.3.0",
		"version": "0.3.1",
		"description": "Middleware control flow library: series, parallel, or, and",
		@@ -5,0 +5,0 @@ "main": "index.js",

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