koa-compose - npm Package Compare versions

Comparing version 2.2.0 to 2.3.0

index.js

		@@ -1,8 +0,2 @@
		/**
		* Module dependencies.
		*/

		var debug = require('debug')('koa-compose');
		var fmt = require('util').inspect;

		/**
		@@ -12,5 +6,3 @@ * Expose compositor.

		module.exports = debug.enabled
		? instrumented
		: compose;
		module.exports = compose;

		@@ -43,83 +35,2 @@ /**
		/**
		* Compose `middleware` returning
		* an instrumented set of middleware
		* for debugging manipulation between
		* continuation.
		*
		* @param {Array} middleware
		* @return {Function}
		* @api public
		*/

		function instrumented(middleware){
		console.warn('Warning: do not run DEBUG=koa-compose in production');
		console.warn('as it will greatly affect the performance of your');
		console.warn('application - it is designed for a development');
		console.warn('environment only.\n');

		return function *(next){
		var i = middleware.length;
		var prev = next \|\| noop();
		var name = prev._name \|\| prev.name \|\| 'noop';
		var curr;

		while (i--) {
		curr = middleware[i];
		prev = wrap.call(this, curr, prev, name);
		name = curr._name \|\| curr.name;
		}

		yield *prev;
		}
		}

		/**
		* Wrap to output debugging info.
		*
		* @api private
		*/

		function wrap(curr, prev, name) {
		return curr.call(this, function *(next){
		if ('noop' == name) return yield next;
		this._level = this._level \|\| 0;

		// downstream
		output(this, 'down', name);

		// yield
		this._level++;
		yield next;
		this._level--;

		// upstream
		output(this, 'up', name);
		}.call(this, prev));
		}

		/**
		* Output debugging information.
		*/

		function output(ctx, direction, name) {
		direction = 'up' == direction ? '<<' : '>>';
		console.log(' \033[1m%d \033[0m%s \033[36m%s\033[0m', ctx._level, direction, name);
		console.log(' \033[90mstatus\033[0m: %s %s', ctx.status, ctx.response.statusString);
		console.log(' \033[90mheader\033[0m:');
		header(ctx);
		console.log(' \033[90mbody\033[0m: %j', ctx.body);
		console.log();
		}

		/**
		* Output header fields.
		*/

		function header(ctx) {
		for (var key in ctx.response.header) {
		console.log(' \033[90m%s\033[0m: %s', key, ctx.response.header[key]);
		}
		}

		/**
		* Noop.
		@@ -126,0 +37,0 @@ *

package.json

		@@ -5,3 +5,3 @@ {
		"repository": "koajs/compose",
		"version": "2.2.0",
		"version": "2.3.0",
		"keywords": [
		@@ -15,5 +15,3 @@ "koa",
		],
		"dependencies": {
		"debug": "*"
		},
		"dependencies": {},
		"devDependencies": {
		@@ -20,0 +18,0 @@ "co": "~3.0.1",

Readme.md

		@@ -12,18 +12,4 @@

		## Debugging

		To debug the interactions between middleware, you may use
		the __DEBUG__ environment variable, for example:

		```
		$ DEBUG=koa-compose node --harmony app.js
		```

		When enabled this will output verbose response information and the
		middleware names to help visualize how they interact.

		![koa middleware debugging](https://dl.dropboxusercontent.com/u/6396913/koa/Screen%20Shot%202013-12-22%20at%208.46.46%20AM.png)

		## License

		MIT

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