snap-context

Manage context with ease

Usage

var Context = require('proto-context');
var ctx = new Context();

ctx.set('value', 'first version');  // console.log(ctx.get('value')) -> 'first version'
ctx.snapshot();
ctx.set('value', 'second version'); // console.log(ctx.get('value')) -> 'second version'
ctx.restore();
console.log(ctx.get('value')); // -> 'first version' 

API

new Context

Creates context object with methods:

Context.set(key, value)

Sets key for value in current context.

Context.get(key)

Gets value for key in current (or previous) context.

Context.snapshot(ctx)

Creates new Object and add it to ctx prototype.

Context.restore(ctx)

Removes created Object from prototype chain of ctx.

Benchmark results

Benchmarking set -> snapshot -> get -> restore pattern:

                      Short stack
         978,292 op/s » Stack on array
         596,183 op/s » Stack on list

                      Long stack
         250,730 op/s » Stack on array
         253,066 op/s » Stack on list

                      Very long stack
          33,710 op/s » Stack on array
          37,891 op/s » Stack on list