typed-catch-of-the-day/scripts/libs/helpers.ts

typescript version of wes bos' catch of the day app

interface HelpersInterface {
  formatPrice(cents: number);
  rando(arr: Array<string>);
  slugify(text: string);
  getFunName();
}

class helpers implements HelpersInterface {
  formatPrice(cents: number) {
    return "$" + ( (cents / 100).toFixed(2).replace(/\B(?=(\d{3})+(?!\d))/g, ",") );
  }

  rando(arr: Array<string>) {
    return arr[Math.floor(Math.random() * arr.length)];
  }

  slugify(text: string) {
    return text.toString().toLowerCase()
      .replace(/\s+/g, "-")           // Replace spaces with -
      .replace(/[^\w\-]+/g, "")       // Remove all non-word chars
      .replace(/\-\-+/g, "-")         // Replace multiple - with single -
      .replace(/^-+/, "")             // Trim - from start of text
      .replace(/-+$/, "");            // Trim - from end of text
  }

  getFunName() {
    var adjectives = ["adorable", "beautiful", "clean", "drab", "elegant", "fancy", "glamorous", "handsome", "long", "magnificent", "old-fashioned", "plain", "quaint", "sparkling", "ugliest", "unsightly", "angry", "bewildered", "clumsy", "defeated", "embarrassed", "fierce", "grumpy", "helpless", "itchy", "jealous", "lazy", "mysterious", "nervous", "obnoxious", "panicky", "repulsive", "scary", "thoughtless", "uptight", "worried"];

    var nouns = ["women", "men", "children", "teeth", "feet", "people", "leaves", "mice", "geese", "halves", "knives", "wives", "lives", "elves", "loaves", "potatoes", "tomatoes", "cacti", "foci", "fungi", "nuclei", "syllabuses", "analyses", "diagnoses", "oases", "theses", "crises", "phenomena", "criteria", "data"];

    return `${this.rando(adjectives)}-${this.rando(adjectives)}-${this.rando(nouns)}`;
  }
}

export default helpers;