added calendar and rough structure of calendar

web/utils/lib.ts

@@ -0,0 +1,42 @@
+import type { Moment } from "moment"
+
+export type Seperator = {
+	text: string,
+	time: Moment
+}
+
+export type Timespan = {
+	from: number,
+	to: number
+}
+
+export type Event = AnonymousEvent & {
+	title: string
+}
+
+export type AnonymousEvent = {
+	from: Moment,
+	to: Moment
+}
+
+export type SerializableEvent = {
+	title: string,
+	from: string,
+	to: string
+}
+
+export type EventWithCollisions = Event & {
+	collisions: number
+}
+
+export type EventDimensions = {
+	from: number,
+	to: number
+}
+
+export function percentToPixelDimensions(dimensions: EventDimensions, totalHeight: number): EventDimensions {
+	return {
+		from: (dimensions.from / 100) * totalHeight,
+		to: (dimensions.to / 100) * totalHeight
+	}
+}