Variable findOrDefaultConst

Type declaration

• • <T>(
        defaultValue: ValueOrFactory<T>,
        predicate?: PredicateFunction<T>,
    ): CollectorFunction<T, T>

  • Returns the first element in the source that satisfies the predicate or a default value.

    Type Parameters

    • T

      Type of items in the source.

    Parameters

    • defaultValue: ValueOrFactory<T>

      Default value or factory to use if no element satisfies the predicate.
    • predicate: PredicateFunction<T> = ...

      Predicate function to determine if an element should be returned.

    Returns CollectorFunction<T, T>

    Collector that returns the first element in the source that satisfies the predicate or a default value.

    Example

    const result = firstOrDefault<number>(0, (x) => x > 1)([1, 2, 3]);
    console.log(result); // 2
    Copy