superfly-timeline/dist/resolver/lib/instance.d.ts

Resolver for defining objects with temporal boolean logic relationships on a timeline

import { Time, InstanceBase, TimelineObjectInstance, InstanceId } from '../../api';
export declare function isInstanceId(str: string): str is InstanceId;
export declare function instanceIsActive(instance: InstanceBase, time: Time): boolean;
/**
 * Returns the intersection of two instances.
 * Example: for (10-20) and (15-30), the intersection is (15-20).
 */
export declare function getInstanceIntersection(a: InstanceBase, b: InstanceBase): null | InstanceBase;
/**
 * Convenience function to splice an array of instances
 * @param instances The array of instances to splice
 * @param fcn Operator function.
 *   Is called for each instance in the array,
 *   and should return an instance (or an array of instances) to insert in place of the original instance,
 *   or undefined to remove the instance.
 *   (To leave the instance unchanged, return the original instance)
 */
export declare function spliceInstances<I extends InstanceBase>(instances: I[], fcn: (instance: I) => I[] | I | undefined): void;
export declare function baseInstances(instances: TimelineObjectInstance[]): InstanceBase[];
export declare function baseInstance(instance: TimelineObjectInstance): InstanceBase;
/** Returns a string hash that changes whenever any instance has changed in a significant way */
export declare function getInstancesHash(instances: TimelineObjectInstance[]): string;
/** Returns a string hash that changes whenever an instance has changed in a significant way */
export declare function getInstanceHash(instance: TimelineObjectInstance): string;
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