Code Explainers

Code explainers tagged #lifecycle-hooks

typescript 
import {
  Directive,
  ElementRef,
  EventEmitter,

An infinite-scroll directive in Angular

intersectionobserver directives performance
Advanced 7 steps
typescript 
import {
  Component,
  ComponentRef,
  Injector,

Dynamic component rendering in Angular

dynamic-components viewcontainerref lifecycle-hooks
Advanced 7 steps
php 
<?php
 
namespace App\Models;
 

Auto-pruning old records with Laravel's Prunable

pruning eloquent cleanup
Intermediate 5 steps
typescript 
import { Injectable, Logger, OnApplicationShutdown } from '@nestjs/common';
import { InjectRedis } from '@nestjs-modules/ioredis';
import Redis from 'ioredis';
import { DataSource } from 'typeorm';

Graceful shutdown hooks in NestJS

graceful-shutdown lifecycle-hooks dependency-injection
Intermediate 7 steps
typescript 
import { Injectable, OnModuleInit, Logger } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { Cron, CronExpression } from '@nestjs/schedule';
 

A self-refreshing feature flags provider in NestJS

caching scheduled-tasks dependency-injection
Intermediate 8 steps
php 
<?php
 
namespace App\Observers;
 

How Eloquent observers hook lifecycle events in Laravel

observers lifecycle-hooks queues
Intermediate 6 steps