wip

src/lib/interval.ts

@@ -91,4 +91,25 @@ export class Interval {
 		merged.push(unmerged.pop()!);
 		return merged;
 	};
+
+	intersect(other:Interval):Interval|undefined{
+		if(this.overlaps(other)){
+			return new Interval(new Date(Math.max(this.startTime.getTime(), other.startTime.getTime())), new Date(Math.min(this.endTime.getTime(), other.endTime.getTime())));
+		}
+		return undefined;
+	};
+
+	static intersect = (many: Interval[], one: Interval): Interval[] => {
+		const result: Interval[] = [];
+		for(let i=0;i!=many.length;++i){
+			if(one.startTime.getTime() > many[i].endTime.getTime()){
+				break;
+			}
+			if(!many[i].overlaps(one)){
+				continue;
+			}
+			result.push(many[i].intersect(one)!);
+		}
+		return result;
+	}
 }