Files
taskbuffer/ts/taskbuffer.interfaces.ts

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TypeScript

import type { ITaskStep } from './taskbuffer.classes.taskstep.js';
import type { Task } from './taskbuffer.classes.task.js';
export interface IRateLimitConfig {
maxPerWindow: number; // max completions allowed within the sliding window
windowMs: number; // sliding window duration in ms
}
export type TResultSharingMode = 'none' | 'share-latest';
export interface ITaskConstraintGroupOptions<TData extends Record<string, unknown> = Record<string, unknown>> {
name: string;
constraintKeyForExecution: (task: Task<any, any, TData>, input?: any) => string | null | undefined;
maxConcurrent?: number; // default: Infinity
cooldownMs?: number; // default: 0
shouldExecute?: (task: Task<any, any, TData>, input?: any) => boolean | Promise<boolean>;
rateLimit?: IRateLimitConfig;
resultSharingMode?: TResultSharingMode; // default: 'none'
}
export interface ITaskExecution<TData extends Record<string, unknown> = Record<string, unknown>> {
task: Task<any, any, TData>;
input: any;
}
export interface IConstrainedTaskEntry {
task: Task<any, any, any>;
input: any;
deferred: import('@push.rocks/smartpromise').Deferred<any>;
constraintKeys: Map<string, string>; // groupName -> key
}
export interface ITaskMetadata {
name: string;
version?: string;
status: 'idle' | 'running' | 'completed' | 'failed';
steps: ITaskStep[];
currentStep?: string;
currentProgress: number; // 0-100
lastRun?: Date;
nextRun?: Date; // For scheduled tasks
runCount: number;
averageDuration?: number;
cronSchedule?: string;
buffered?: boolean;
bufferMax?: number;
timeout?: number;
lastError?: string;
errorCount?: number;
labels?: Record<string, string>;
}
export interface ITaskExecutionReport {
taskName: string;
startTime: number;
endTime: number;
duration: number;
steps: ITaskStep[];
stepsCompleted: string[];
progress: number;
result?: any;
error?: Error;
}
export interface IScheduledTaskInfo {
name: string;
schedule: string;
nextRun: Date;
lastRun?: Date;
steps?: ITaskStep[];
metadata?: ITaskMetadata;
}
export type TTaskEventType = 'started' | 'step' | 'completed' | 'failed';
export interface ITaskEvent {
type: TTaskEventType;
task: ITaskMetadata;
timestamp: number;
stepName?: string; // present when type === 'step'
error?: string; // present when type === 'failed'
}