linq-extensions/dist/lib/iterables/grouping-iterable.js

Linq-like extension methods for JavaScript and TypeScript builtin collections

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.GroupingIterable = void 0;
const iterable_1 = require("../iterable");
const grouping_1 = require("../grouping/grouping");
class GroupingIterable extends iterable_1.Iterable {
    constructor(originalIterable, keySelector, equalityCheck) {
        super();
        this.originalIterable = originalIterable;
        this.keySelector = keySelector;
        this.equalityCheck = equalityCheck;
    }
    *[Symbol.iterator]() {
        const keys = this.originalIterable.select(this.keySelector).distinct(this.equalityCheck);
        for (const key of keys) {
            yield new grouping_1.Grouping(key, this.originalIterable.where(x => this.keySelector(x) === key));
        }
    }
}
exports.GroupingIterable = GroupingIterable;
//# sourceMappingURL=grouping-iterable.js.map