rpi-cam-lib/dist/common.js

A lightweight library to control CSI-2 camera modules via any raspberry pi can read camera module but is dependent to shell.

import { kill } from "node:process";
export class Taskman {
    constructor() {
        this.tasks = [];
    }
    /**
     * Kills a async task opreation of camera.
     * @param {string} id is a custom id to call it everywhere and should be unique or get a error.
     * @param {boolean} force to kill a task or not, forcing sends a SIGKILL code to a task but, else sends a SIGTERM code to process.
     * @returns {IOutputException} status of killing a process, if id not exists, returns a error response, but else, throw a error.
     */
    killTask(id, force = true) {
        if (this.tasks.some((e) => e.id == id)) {
            try {
                kill(this.tasks.find((e) => e.id == id).pid, force ? 9 : 15);
                return { success: true };
            }
            catch (err) {
                throw err;
            }
        }
        return {
            success: false,
            error: { readable: "id not exists in tasks!", name: "BAD_ID" },
        };
    }
    /**
     *
     * @ * @param {boolean} force to kill a task or not, forcing sends a SIGKILL code to a task but, else sends a SIGTERM code to processes.
     * @returns {IOutputException} status of killing all process, if error detected, throw a error.
     */
    killAllTasks(force) {
        try {
            this.tasks.map((e) => kill(e.pid, force ? 9 : 15));
            return { success: true };
        }
        catch (err) {
            return {
                success: false,
                error: {
                    readable: `An error detected while trying to kill all tasks!\nerr: ${err}`,
                    name: "KILLING_ALL_ID_ERROR",
                },
            };
        }
    }
}