indexOfOrElse

indexOfOrElse(target, source, orElse)

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

data-first

indexOfOrElse("hello world", "world", () => -1); // 6
indexOfOrElse("hello world", "foo", (str) => str.length); // 11

data-last

pipe(
    "hello world",
    indexOfOrElse("world", () => -1),
); // 6

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