| 1 | import { identity } from '../util/identity';
|
| 2 | /**
|
| 3 | * Computes the sum of a sequence of values.
|
| 4 | *
|
| 5 | * @export
|
| 6 | * @param {Iterable<any>} source A sequence of values to calculate the sum.
|
| 7 | * @param {MathOptions<any>} [options] Optional options for providing a selector, thisArg and abort signal.
|
| 8 | * @returns {Promise<number>} A promise containing the sum of the sequence of values.
|
| 9 | */
|
| 10 | export function sum(source, options) {
|
| 11 | const { ['selector']: selector = identity, ['thisArg']: thisArg } = options || {};
|
| 12 | let value = 0;
|
| 13 | for (const item of source) {
|
| 14 | value += selector.call(thisArg, item);
|
| 15 | }
|
| 16 | return value;
|
| 17 | }
|
| 18 |
|
| 19 | //# sourceMappingURL=sum.mjs.map
|