lastIndexOfOrElse

lastIndexOfOrElse(target, source, orElse)

Returns the index of the last occurrence of source string in target string, or the result of calling orElse function with target if not found.

data-first

lastIndexOfOrElse("hello world hello", "hello", () => -1); // 12
lastIndexOfOrElse("hello world", "foo", (str) => str.length); // 11

data-last

pipe(
    "hello world hello",
    lastIndexOfOrElse("hello", () => -1),
); // 12

pipe(
    "hello world",
    lastIndexOfOrElse("foo", (str) => str.length),
); // 11