0xemc

// This mixin can be used to provide Fluid Type behaviour accross your entire web page
// or to a single css selector
//
// Full credit goes to Geoff Graham @ https://css-tricks.com/snippets/css/fluid-typography/
// 
// To apply globally:
// 
// 1. Define your minimum and maximum screen widths
// 2. Define your min and max font size for H1 element in px
// 3. Apply fluid-type mixin to root element eg.

0xemc

function breakOn(obj, propertyName, mode, func) {
    // this is directly from https://github.com/paulmillr/es6-shim
    function getPropertyDescriptor(obj, name) {
        var property = Object.getOwnPropertyDescriptor(obj, name);
        var proto = Object.getPrototypeOf(obj);
        while (property === undefined && proto !== null) {
            property = Object.getOwnPropertyDescriptor(proto, name);
            proto = Object.getPrototypeOf(proto);
        }
        return property;