feat(controls): styled custom header dropdown with helptext and smart positioning (#13)

public/scripts/hoverintent.min.js

@@ -0,0 +1 @@
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.hoverintent=e()}}(function(){return function e(t,n,o){function r(u,f){if(!n[u]){if(!t[u]){var s="function"==typeof require&&require;if(!f&&s)return s(u,!0);if(i)return i(u,!0);var c=new Error("Cannot find module '"+u+"'");throw c.code="MODULE_NOT_FOUND",c}var a=n[u]={exports:{}};t[u][0].call(a.exports,function(e){var n=t[u][1][e];return r(n||e)},a,a.exports,e,t,n,o)}return n[u].exports}for(var i="function"==typeof require&&require,u=0;u<o.length;u++)r(o[u]);return r}({1:[function(e,t,n){"use strict";var o=e("xtend");t.exports=function(e,t,n){function r(e,t){return p&&(p=clearTimeout(p)),d=0,n.call(e,t)}function i(e){c=e.clientX,a=e.clientY}function u(e,n){if(p&&(p=clearTimeout(p)),Math.abs(v-c)+Math.abs(l-a)<y.sensitivity)return d=1,t.call(e,n);v=c,l=a,p=setTimeout(function(){u(e,n)},y.interval)}function f(t){return p&&(p=clearTimeout(p)),e.removeEventListener("mousemove",i,!1),1!==d&&(v=t.clientX,l=t.clientY,e.addEventListener("mousemove",i,!1),p=setTimeout(function(){u(e,t)},y.interval)),this}function s(t){return p&&(p=clearTimeout(p)),e.removeEventListener("mousemove",i,!1),1===d&&(p=setTimeout(function(){r(e,t)},y.timeout)),this}var c,a,v,l,m={},d=0,p=0,y={sensitivity:7,interval:100,timeout:0};return m.options=function(e){return y=o({},y,e),m},m.remove=function(){e&&(e.removeEventListener("mouseover",f,!1),e.removeEventListener("mouseout",s,!1))},e&&(e.addEventListener("mouseover",f,!1),e.addEventListener("mouseout",s,!1)),m}},{xtend:2}],2:[function(e,t,n){function o(){for(var e={},t=0;t<arguments.length;t++){var n=arguments[t];for(var o in n)r.call(n,o)&&(e[o]=n[o])}return e}t.exports=o;var r=Object.prototype.hasOwnProperty},{}]},{},[1])(1)});

public/scripts/index.js

@@ -1,4 +1,40 @@
 document.addEventListener('DOMContentLoaded', () => {
+  // Header dropdowns
+  const controls = document.querySelectorAll('.header__controls_group')
+
+  controls.forEach((control) => {
+    const ref = control.querySelector('.header__controls_label')
+    const dropdownRef = control.querySelector('.header__controls_dropdown')
+
+    let popper = null
+
+    hoverintent(control, null, () => {
+      if (popper) {
+        dropdownRef.classList.remove('header__controls_dropdown--active')
+        window.setTimeout(popper.destroy, 500)
+      }
+    }).options({
+      sensitivity: 10,
+      interval: 150,
+      timeout: 300
+    })
+
+    ref.addEventListener('click', (e) => {
+      dropdownRef.classList.add('header__controls_dropdown--active')
+      popper = new Popper(
+        e.target,
+        dropdownRef,
+        {
+            // popper options here
+        }
+      )
+    })
+  })
+  // const apiRef =
+  // const apiDropdownRef = document.querySelector('#control-api .header__controls_dropdown')
+
+  // const apiTooltip =
+
   // Init highlight.js
   hljs.initHighlightingOnLoad()