Logica do Controller de Paginação (Paginas a avançar e voltar)

pagination controller basic logic.ts

const backPages = (page:number,limit:number) => {
    const pages = []
    for(let x = page ; x > 0; x--){
        if (x == page) continue;
        if (pages.length == limit) continue;
        pages.push(x)
    }
    return pages;
}

const frontPages = (page:number,limit:number,maxPages:number) => {
    const pages = []
    for(let x = page ; x <= maxPages; x++){
        if (x == page) continue;
        if (pages.length == limit) continue;
        pages.push(x)
    }
    return pages;
}

const currentPage = 40
const limitPerPage = 10
const maxPages = 100

console.log("Back Pages", backPages(currentPage, limitPerPage));

console.log("Front Pages", frontPages(currentPage,limitPerPage,maxPages));