enumify-ts/lib/index.js

A JavaScript library that helps with the enum pattern based on TypeScript. This fork of [rauschma/enumify](https://github.com/rauschma/enumify) permits to infer the correct type from constructed collections: for example, the type of `values()` will be `A

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Enumify = void 0;
function Enumify() {
    return class Enumify {
        static get keys() {
            return Object.keys(this._instances);
        }
        static get values() {
            return Object.values(this._instances);
        }
        get key() {
            return this._key;
        }
        get ordinal() {
            return this._ordinal;
        }
        static _closeEnum(callback) {
            if (this._instances == null) {
                if (callback) {
                    callback();
                }
                const instances = {};
                // Traverse the enum entries
                Object.entries(this).forEach(([key, value], index) => {
                    instances[key] = value;
                    value._key = key;
                    value._ordinal = index;
                });
                this._instances = instances;
            }
        }
        static valueOf(str) {
            return this._instances[str];
        }
        static [Symbol.iterator]() {
            return this.values[Symbol.iterator]();
        }
        static fromString(str) {
            return this.valueOf(str);
        }
        toJSON() {
            return this.key;
        }
        toString() {
            return this.key;
        }
    };
}
exports.Enumify = Enumify;
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