js enums class
class Enum {
constructor(...keys) {
keys.forEach((key, i) => {
this[key] = i;
});
Object.freeze(this);
}
*[Symbol.iterator]() {
for (let key of Object.keys(this)) yield key;
}
}
const daysEnum = new Enum(
'monday',
'tuesday',
'wednesday',
'thursday',
'friday',
'saturday',
'sunday'
);
const days = [...daysEnum]; // Array of the enum values as strings
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