@bearz/ansi/esm/_lazy.js

The ansi module provides color detection, writing ansi, codes, and an ansi writer.

export class Lazy {
    #value;
    #fn;
    constructor(fn) {
        this.#fn = fn;
    }
    get hasValue() {
        return this.#value != undefined;
    }
    get value() {
        if (this.#value == undefined) {
            this.#value = this.#fn();
        }
        return this.#value;
    }
}