Code Explainers

Code explainers tagged #uniqueness

typescript 
import slugify from "slugify";
 
interface SlugRepository {
  exists(slug: string): Promise<boolean>;

Generating unique URL slugs from titles

slugs normalization uniqueness
Intermediate 6 steps
python 
import re
import unicodedata
 
_SLUG_STRIP = re.compile(r"[^\w\s-]")

Building URL-safe slugs in Python

string-processing regex unicode-normalization
Intermediate 7 steps
python 
from django.db import models
from django.utils.text import slugify
 
 

Auto-generating unique slugs in Django

slugs orm model-methods
Intermediate 7 steps
ruby 
class Post < ApplicationRecord
  before_validation :generate_slug, on: :create
 
  validates :slug, presence: true, uniqueness: true

How a Rails model builds unique slugs

slugs callbacks validations
Intermediate 7 steps
ruby 
class Article < ApplicationRecord
  before_validation :generate_slug, on: :create
 
  validates :slug, presence: true, uniqueness: true,

How URL slugs work in Rails

callbacks validations slugs
Intermediate 7 steps