lastIndexOfOrElse

String.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.

Example

data-first

import { String } from "@monstermann/string";

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

data-last

import { String } from "@monstermann/string";

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

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