@jasmith79/sequable/dist/filter.js

Library functions for working with generators

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.filter = void 0;
const sequable_js_1 = require("./sequable.js");
/**
 * Filters the items of the given Iterator, Iterable, or generator function
 * using the supplied predicate function.
 *
 * @param pred The predicate function.
 * @param sequable The Iterator, Iterable, or generator function sequence
 * to filter.
 */
function* filter(pred, seq) {
    const iter = (0, sequable_js_1.toIterator)(seq);
    let { value, done } = iter.next();
    while (!done) {
        if (pred(value)) {
            yield value;
        }
        ({ value, done } = iter.next());
    }
    if (value !== undefined && pred(value))
        return value;
}
exports.filter = filter;