codrops-scribbler/scribbler.js

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JavaScript
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2018-01-12 17:31:18 +03:00
// utilities
var get = function (selector, scope) {
scope = scope ? scope : document;
return scope.querySelector(selector);
};
var getAll = function (selector, scope) {
scope = scope ? scope : document;
return scope.querySelectorAll(selector);
};
// setup typewriter effect in the terminal demo
if (document.getElementsByClassName('demo').length > 0) {
var i = 0;
var txt = `scribbler
[Entry mode; press Ctrl+D to save and quit; press Ctrl+C to quit without saving]
###todo for new year dinner party
- milk
- butter
- green onion
- lots and lots of kiwis 🥝`;
var speed = 60;
function typeItOut () {
if (i < txt.length) {
document.getElementsByClassName('demo')[0].innerHTML += txt.charAt(i);
i++;
setTimeout(typeItOut, speed);
}
}
setTimeout(typeItOut, 1800);
}
// toggle tabs on codeblock
window.addEventListener("load", function() {
// get all tab_containers in the document
var tabContainers = getAll(".tab__container");
// bind click event to each tab container
for (var i = 0; i < tabContainers.length; i++) {
get('.tab__menu', tabContainers[i]).addEventListener("click", tabClick);
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}
// each click event is scoped to the tab_container
function tabClick (event) {
var scope = event.currentTarget.parentNode;
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var clickedTab = event.target;
var tabs = getAll('.tab', scope);
var panes = getAll('.tab__pane', scope);
var activePane = get(`.${clickedTab.getAttribute('data-tab')}`, scope);
// remove all active tab classes
for (var i = 0; i < tabs.length; i++) {
tabs[i].classList.remove('active');
}
// remove all active pane classes
for (var i = 0; i < panes.length; i++) {
panes[i].classList.remove('active');
}
// apply active classes on desired tab and pane
clickedTab.classList.add('active');
activePane.classList.add('active');
}
});
//in page scrolling for documentaiton page
var btns = getAll('.js-btn');
var sections = getAll('.js-section');
function setActiveLink(event) {
// remove all active tab classes
for (var i = 0; i < btns.length; i++) {
btns[i].classList.remove('selected');
}
event.target.classList.add('selected');
}
function smoothScrollTo(i, event) {
var element = sections[i];
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setActiveLink(event);
window.scrollTo({
'behavior': 'smooth',
'top': element.offsetTop - 20,
'left': 0
});
}
if (btns.length && sections.length > 0) {
for (var i = 0; i<btns.length; i++) {
btns[i].addEventListener('click', smoothScrollTo.bind(this,i));
}
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}
// fix menu to page-top once user starts scrolling
window.addEventListener('scroll', function () {
var docNav = get('.doc__nav > ul');
if( docNav) {
if (window.pageYOffset > 63) {
docNav.classList.add('fixed');
} else {
docNav.classList.remove('fixed');
}
}
});
// responsive navigation
var topNav = get('.menu');
var icon = get('.toggle');
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window.addEventListener('load', function(){
function showNav() {
if (topNav.className === 'menu') {
topNav.className += ' responsive';
icon.className += ' open';
} else {
topNav.className = 'menu';
icon.classList.remove('open');
}
}
icon.addEventListener('click', showNav);
});