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This is a playground to test code. It runs a full Node.js environment and already has all of npm’s 400,000 packages pre-installed, including iffi with all npm packages installed. Try it out:

var iffi = require("iffi")

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iffi v0.0.4

Parse an if expression allowing a limited set of values

IFFI

Usage:

var IF = require('iffi');

var val = {
  default: true,
  required: false
};

var expr = "input.default !== input.required";

IF(expr, { 'input': val }); // true

The code is based on:

https://github.com/insin/DOMBuilder/blob/master/lib/dombuilder/template.js#L732-L775

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