@daiso-tech/core/dist/collection/implementations/iterable-collection/_shared/unique-iterable.js

The library offers flexible, framework-agnostic solutions for modern web applications, built on adaptable components that integrate seamlessly with popular frameworks like Next Js.

/**
 * @module Collection
 */
import {} from "../../../../collection/contracts/_module-exports.js";
import { resolveInvokable } from "../../../../utilities/_module-exports.js";
/**
 * @internal
 */
export class UniqueIterable {
    collection;
    callback;
    constructor(collection, callback = (item) => item) {
        this.collection = collection;
        this.callback = callback;
    }
    *[Symbol.iterator]() {
        const set = new Set([]);
        for (const [index, item] of this.collection.entries()) {
            const item_ = resolveInvokable(this.callback)(item, index, this.collection);
            if (!set.has(item_)) {
                yield item;
            }
            set.add(item_);
        }
    }
}
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