merge cost-tour branch. didnt really do a cost tour, but did some oth…

…er cool stuff.

main.js

@@ -28,7 +28,7 @@ Metalsmith(__dirname)
 			base: '',
 			title: 'Basis',
 			description: 'Documentation and information about the Basis project',
-			asset_version: 8,
+			asset_version: 10,
 		},
 	})
 	.source(`${SRC}/`)

tailwind.config.js

@@ -16,7 +16,7 @@ module.exports = {
 				'linkvisited': '#8a1717',
 			},
 			fontFamily: {
-				accent: ['Titillium Web', 'sans-serif'],
+				accent: ['Lato', 'sans-serif'],
 				logo: ['Bolshevik'],
 			},
 		},

www/assets/js/bus.js

@@ -0,0 +1,56 @@
+const EventBus = function EventBus() {
+	const event_store = {};
+
+	function eachev(events, looper) {
+		(Array.isArray(events) ? events : [events]).forEach(looper);
+	}
+
+	const on = (events, fn) => {
+		eachev(events, (ev) => {
+			event_store[ev] || (event_store[ev] = []);
+			event_store[ev].push(fn);
+		});
+	};
+
+	const once = (events, fn) => {
+		eachev(events, (ev) => {
+			const newfn = (...args) => {
+				fn(...args);
+				off(ev, newfn);
+			};
+			on(ev, newfn);
+		});
+	};
+
+	const off = (events, fn) => {
+		eachev(events, (ev) => {
+			if(!event_store[ev]) return;
+			if(!fn) {
+				delete event_store[ev];
+				return;
+			}
+			event_store[ev] = event_store[ev]
+				.filter((fn_comp) => fn !== fn_comp);
+		});
+	};
+
+	const emit = (event, ...args) => {
+		const fnlist = event_store[event] || [];
+		fnlist.forEach((fn) => {
+			fn(...args);
+		});
+	};
+
+	const destroy = () => {
+		Object.keys(event_store).forEach((k) => delete event_store[k]);
+	};
+
+	return {
+		on,
+		once,
+		off,
+		emit,
+		destroy,
+	}
+};
+