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

Typescript/Javascript LINQ implementation library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.firstOrDefault = void 0;
Array.prototype.firstOrDefault = firstOrDefault;
function firstOrDefault(expression, defaultValue = null) {
    const length = this.length;
    if (!expression)
        return length > 0 ? this[0] : defaultValue;
    for (let i = 0; i < length; i++) {
        const item = this[i];
        if (expression(item, i)) {
            return item;
        }
    }
    return defaultValue;
}
exports.firstOrDefault = firstOrDefault;