json-joy/esm/util/iterator.js

Collection of libraries for building collaborative editing apps.

export class UndefEndIter {
    i;
    constructor(i) {
        this.i = i;
    }
    next() {
        const value = this.i();
        return new IterRes(value, value === undefined);
    }
    [Symbol.iterator]() {
        return this;
    }
}
export class IterRes {
    value;
    done;
    constructor(value, done) {
        this.value = value;
        this.done = done;
    }
}
export const iter = (i) => new UndefEndIter(i);