@walts81/linq-ts/lib/first.js

Typescript/Javascript LINQ implementation library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.first = void 0;
const _common_1 = require("./_common");
Array.prototype.first = first;
function first(expression) {
    const length = this.length;
    if (length === 0)
        throw new _common_1.EmptyArrayException();
    if (!expression)
        return this[0];
    for (let i = 0; i < length; i++) {
        const item = this[i];
        if (expression(item, i)) {
            return item;
        }
    }
    throw new _common_1.NoMatchException();
}
exports.first = first;