Function firstDefined

test/fixtures/snapshot/typescript.js:402–413

Like `forEach`, but suitable for use with numbers and strings (which may be falsy).

(array, callback)

    ts.forEachRight = forEachRight;
    /** Like `forEach`, but suitable for use with numbers and strings (which may be falsy). */
    function firstDefined(array, callback) {
        if (array === undefined) {
            return undefined;
        }
        for (var i = 0; i < array.length; i++) {
            var result = callback(array[i], i);
            if (result !== undefined) {
                return result;
            }
        }
        return undefined;
    }
    ts.firstDefined = firstDefined;
    function firstDefinedIterator(iter, callback) {
        while (true) {