Enum

Enumeration class. Each enum propertiy has the properties "ordinal", "name" and "text".

Fra 03.11.2019. Se den seneste versjonen.

Dette scriptet burde ikke installeres direkte. Det er et bibliotek for andre script å inkludere med det nye metadirektivet // @require https://update.greasyforks.org/scripts/391854/746343/Enum.js

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Forfatter: Gerrit
Versjon: 0.2
Lagd: 01.11.2019
Oppdatert: 03.11.2019
Size: 2,5 kB
Lisens: I/T

Usage

Object initialization
const COLORS = class COLOR extends Enum {}.init({ 
    "RED": "red" ,
    "GREEN": "green" , 
    "BLUE": "blue"
});

console.log(COLORS[0] === COLORS.RED);   // "true"
console.log(COLORS[1] === COLORS.GREEN); // "true"
console.log(COLORS[2] === COLORS.BLUE);  // "true"

console.log(COLORS.GREEN.name);          // "GREEN"
console.log(COLORS.GREEN.text);          // "green"
console.assert(COLORS.GREEN.ordinal);    // "1"

console.assert(COLORS.GREEN + "");       // "green"
console.assert(COLORS.GREEN * 1);        // "1"


Array initialization
const COLORS = class COLOR extends Enum {}.init([ 
    "RED", 
    "GREEN",
    "BLUE"
]);

console.log(COLORS[2].name)               // "BLUE"
console.log(COLORS[2].text);              // ""
console.log(COLORS[2].ordinal);           // "2"

console.log(COLORS[2] === COLORS.BLUE);    // "true"

console.log(COLORS.BLUE + "");            // "BLUE"
console.log(COLORS.BLUE * 1);             // "2"


Ordinal value generator
class FLAGS extends Enum {};
FLAGS.init([ "FIRST", "SECOND", "THIRD", "FOURTH"], 1, ord => ord<<1);

console.log(FLAGS.FOURTH | FLAGS.SECOND); // "10"