5 files changed, 0 insertions, 454 deletions
diff --git a/geschichte/js/utils/color.js b/geschichte/js/utils/color.js
deleted file mode 100644
index edf67c4..0000000
--- a/geschichte/js/utils/color.js
+++ /dev/null
@@ -1,77 +0,0 @@
-/**
- * Converts various color input formats to an {r:0,g:0,b:0} object.
- *
- * @param {string} color The string representation of a color
- * @example
- * colorToRgb('#000');
- * @example
- * colorToRgb('#000000');
- * @example
- * colorToRgb('rgb(0,0,0)');
- * @example
- * colorToRgb('rgba(0,0,0)');
- *
- * @return {{r: number, g: number, b: number, [a]: number}|null}
- */
-export const colorToRgb = ( color ) => {
-
-	let hex3 = color.match( /^#([0-9a-f]{3})$/i );
-	if( hex3 && hex3[1] ) {
-		hex3 = hex3[1];
-		return {
-			r: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,
-			g: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,
-			b: parseInt( hex3.charAt( 2 ), 16 ) * 0x11
-		};
-	}
-
-	let hex6 = color.match( /^#([0-9a-f]{6})$/i );
-	if( hex6 && hex6[1] ) {
-		hex6 = hex6[1];
-		return {
-			r: parseInt( hex6.slice( 0, 2 ), 16 ),
-			g: parseInt( hex6.slice( 2, 4 ), 16 ),
-			b: parseInt( hex6.slice( 4, 6 ), 16 )
-		};
-	}
-
-	let rgb = color.match( /^rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/i );
-	if( rgb ) {
-		return {
-			r: parseInt( rgb[1], 10 ),
-			g: parseInt( rgb[2], 10 ),
-			b: parseInt( rgb[3], 10 )
-		};
-	}
-
-	let rgba = color.match( /^rgba\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\,\s*([\d]+|[\d]*.[\d]+)\s*\)$/i );
-	if( rgba ) {
-		return {
-			r: parseInt( rgba[1], 10 ),
-			g: parseInt( rgba[2], 10 ),
-			b: parseInt( rgba[3], 10 ),
-			a: parseFloat( rgba[4] )
-		};
-	}
-
-	return null;
-
-}
-
-/**
- * Calculates brightness on a scale of 0-255.
- *
- * @param {string} color See colorToRgb for supported formats.
- * @see {@link colorToRgb}
- */
-export const colorBrightness = ( color ) => {
-
-	if( typeof color === 'string' ) color = colorToRgb( color );
-
-	if( color ) {
-		return ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;
-	}
-
-	return null;
-
-}
-\ No newline at end of file
diff --git a/geschichte/js/utils/constants.js b/geschichte/js/utils/constants.js
deleted file mode 100644
index 43fcb84..0000000
--- a/geschichte/js/utils/constants.js
+++ /dev/null
@@ -1,10 +0,0 @@
-
-export const SLIDES_SELECTOR = '.slides section';
-export const HORIZONTAL_SLIDES_SELECTOR = '.slides>section';
-export const VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section';
-
-// Methods that may not be invoked via the postMessage API
-export const POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener|showPreview/;
-
-// Regex for retrieving the fragment style from a class attribute
-export const FRAGMENT_STYLE_REGEX = /fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/;
-\ No newline at end of file
diff --git a/geschichte/js/utils/device.js b/geschichte/js/utils/device.js
deleted file mode 100644
index f2bce20..0000000
--- a/geschichte/js/utils/device.js
+++ /dev/null
@@ -1,8 +0,0 @@
-const UA = navigator.userAgent;
-
-export const isMobile = /(iphone|ipod|ipad|android)/gi.test( UA ) ||
-						( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 ); // iPadOS
-
-export const isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );
-
-export const isAndroid = /android/gi.test( UA );
-\ No newline at end of file
diff --git a/geschichte/js/utils/loader.js b/geschichte/js/utils/loader.js
deleted file mode 100644
index 58d39ac..0000000
--- a/geschichte/js/utils/loader.js
+++ /dev/null
@@ -1,46 +0,0 @@
-/**
- * Loads a JavaScript file from the given URL and executes it.
- *
- * @param {string} url Address of the .js file to load
- * @param {function} callback Method to invoke when the script
- * has loaded and executed
- */
-export const loadScript = ( url, callback ) => {
-
-	const script = document.createElement( 'script' );
-	script.type = 'text/javascript';
-	script.async = false;
-	script.defer = false;
-	script.src = url;
-
-	if( typeof callback === 'function' ) {
-
-		// Success callback
-		script.onload = script.onreadystatechange = event => {
-			if( event.type === 'load' || /loaded|complete/.test( script.readyState ) ) {
-
-				// Kill event listeners
-				script.onload = script.onreadystatechange = script.onerror = null;
-
-				callback();
-
-			}
-		};
-
-		// Error callback
-		script.onerror = err => {
-
-			// Kill event listeners
-			script.onload = script.onreadystatechange = script.onerror = null;
-
-			callback( new Error( 'Failed loading script: ' + script.src + '\n' + err ) );
-
-		};
-
-	}
-
-	// Append the script at the end of <head>
-	const head = document.querySelector( 'head' );
-	head.insertBefore( script, head.lastChild );
-
-}
-\ No newline at end of file
diff --git a/geschichte/js/utils/util.js b/geschichte/js/utils/util.js
deleted file mode 100644
index a5515e8..0000000
--- a/geschichte/js/utils/util.js
+++ /dev/null
@@ -1,313 +0,0 @@
-/**
- * Extend object a with the properties of object b.
- * If there's a conflict, object b takes precedence.
- *
- * @param {object} a
- * @param {object} b
- */
-export const extend = ( a, b ) => {
-
-	for( let i in b ) {
-		a[ i ] = b[ i ];
-	}
-
-	return a;
-
-}
-
-/**
- * querySelectorAll but returns an Array.
- */
-export const queryAll = ( el, selector ) => {
-
-	return Array.from( el.querySelectorAll( selector ) );
-
-}
-
-/**
- * classList.toggle() with cross browser support
- */
-export const toggleClass = ( el, className, value ) => {
-	if( value ) {
-		el.classList.add( className );
-	}
-	else {
-		el.classList.remove( className );
-	}
-}
-
-/**
- * Utility for deserializing a value.
- *
- * @param {*} value
- * @return {*}
- */
-export const deserialize = ( value ) => {
-
-	if( typeof value === 'string' ) {
-		if( value === 'null' ) return null;
-		else if( value === 'true' ) return true;
-		else if( value === 'false' ) return false;
-		else if( value.match( /^-?[\d\.]+$/ ) ) return parseFloat( value );
-	}
-
-	return value;
-
-}
-
-/**
- * Measures the distance in pixels between point a
- * and point b.
- *
- * @param {object} a point with x/y properties
- * @param {object} b point with x/y properties
- *
- * @return {number}
- */
-export const distanceBetween = ( a, b ) => {
-
-	let dx = a.x - b.x,
-		dy = a.y - b.y;
-
-	return Math.sqrt( dx*dx + dy*dy );
-
-}
-
-/**
- * Applies a CSS transform to the target element.
- *
- * @param {HTMLElement} element
- * @param {string} transform
- */
-export const transformElement = ( element, transform ) => {
-
-	element.style.transform = transform;
-
-}
-
-/**
- * Element.matches with IE support.
- *
- * @param {HTMLElement} target The element to match
- * @param {String} selector The CSS selector to match
- * the element against
- *
- * @return {Boolean}
- */
-export const matches = ( target, selector ) => {
-
-	let matchesMethod = target.matches || target.matchesSelector || target.msMatchesSelector;
-
-	return !!( matchesMethod && matchesMethod.call( target, selector ) );
-
-}
-
-/**
- * Find the closest parent that matches the given
- * selector.
- *
- * @param {HTMLElement} target The child element
- * @param {String} selector The CSS selector to match
- * the parents against
- *
- * @return {HTMLElement} The matched parent or null
- * if no matching parent was found
- */
-export const closest = ( target, selector ) => {
-
-	// Native Element.closest
-	if( typeof target.closest === 'function' ) {
-		return target.closest( selector );
-	}
-
-	// Polyfill
-	while( target ) {
-		if( matches( target, selector ) ) {
-			return target;
-		}
-
-		// Keep searching
-		target = target.parentNode;
-	}
-
-	return null;
-
-}
-
-/**
- * Handling the fullscreen functionality via the fullscreen API
- *
- * @see http://fullscreen.spec.whatwg.org/
- * @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode
- */
-export const enterFullscreen = element => {
-
-	element = element || document.documentElement;
-
-	// Check which implementation is available
-	let requestMethod = element.requestFullscreen ||
-						element.webkitRequestFullscreen ||
-						element.webkitRequestFullScreen ||
-						element.mozRequestFullScreen ||
-						element.msRequestFullscreen;
-
-	if( requestMethod ) {
-		requestMethod.apply( element );
-	}
-
-}
-
-/**
- * Creates an HTML element and returns a reference to it.
- * If the element already exists the existing instance will
- * be returned.
- *
- * @param {HTMLElement} container
- * @param {string} tagname
- * @param {string} classname
- * @param {string} innerHTML
- *
- * @return {HTMLElement}
- */
-export const createSingletonNode = ( container, tagname, classname, innerHTML='' ) => {
-
-	// Find all nodes matching the description
-	let nodes = container.querySelectorAll( '.' + classname );
-
-	// Check all matches to find one which is a direct child of
-	// the specified container
-	for( let i = 0; i < nodes.length; i++ ) {
-		let testNode = nodes[i];
-		if( testNode.parentNode === container ) {
-			return testNode;
-		}
-	}
-
-	// If no node was found, create it now
-	let node = document.createElement( tagname );
-	node.className = classname;
-	node.innerHTML = innerHTML;
-	container.appendChild( node );
-
-	return node;
-
-}
-
-/**
- * Injects the given CSS styles into the DOM.
- *
- * @param {string} value
- */
-export const createStyleSheet = ( value ) => {
-
-	let tag = document.createElement( 'style' );
-	tag.type = 'text/css';
-
-	if( value && value.length > 0 ) {
-		if( tag.styleSheet ) {
-			tag.styleSheet.cssText = value;
-		}
-		else {
-			tag.appendChild( document.createTextNode( value ) );
-		}
-	}
-
-	document.head.appendChild( tag );
-
-	return tag;
-
-}
-
-/**
- * Returns a key:value hash of all query params.
- */
-export const getQueryHash = () => {
-
-	let query = {};
-
-	location.search.replace( /[A-Z0-9]+?=([\w\.%-]*)/gi, a => {
-		query[ a.split( '=' ).shift() ] = a.split( '=' ).pop();
-	} );
-
-	// Basic deserialization
-	for( let i in query ) {
-		let value = query[ i ];
-
-		query[ i ] = deserialize( unescape( value ) );
-	}
-
-	// Do not accept new dependencies via query config to avoid
-	// the potential of malicious script injection
-	if( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];
-
-	return query;
-
-}
-
-/**
- * Returns the remaining height within the parent of the
- * target element.
- *
- * remaining height = [ configured parent height ] - [ current parent height ]
- *
- * @param {HTMLElement} element
- * @param {number} [height]
- */
-export const getRemainingHeight = ( element, height = 0 ) => {
-
-	if( element ) {
-		let newHeight, oldHeight = element.style.height;
-
-		// Change the .stretch element height to 0 in order find the height of all
-		// the other elements
-		element.style.height = '0px';
-
-		// In Overview mode, the parent (.slide) height is set of 700px.
-		// Restore it temporarily to its natural height.
-		element.parentNode.style.height = 'auto';
-
-		newHeight = height - element.parentNode.offsetHeight;
-
-		// Restore the old height, just in case
-		element.style.height = oldHeight + 'px';
-
-		// Clear the parent (.slide) height. .removeProperty works in IE9+
-		element.parentNode.style.removeProperty('height');
-
-		return newHeight;
-	}
-
-	return height;
-
-}
-
-const fileExtensionToMimeMap = {
-	'mp4': 'video/mp4',
-	'm4a': 'video/mp4',
-	'ogv': 'video/ogg',
-	'mpeg': 'video/mpeg',
-	'webm': 'video/webm'
-}
-
-/**
- * Guess the MIME type for common file formats.
- */
-export const getMimeTypeFromFile = ( filename='' ) => {
-	return fileExtensionToMimeMap[filename.split('.').pop()]
-}
-
-/**
- * Encodes a string for RFC3986-compliant URL format.
- * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURI#encoding_for_rfc3986
- *
- * @param {string} url
- */
-export const encodeRFC3986URI = ( url='' ) => {
-	return encodeURI(url)
-	  .replace(/%5B/g, "[")
-	  .replace(/%5D/g, "]")
-	  .replace(
-		/[!'()*]/g,
-		(c) => `%${c.charCodeAt(0).toString(16).toUpperCase()}`
-	  );
-}
-\ No newline at end of file