escapedBy | /mod.ts | pazza@v0.3.0

Parser combinators library designed for Deno, but also works on browsers and Node.js.

function escapedBy

import { escapedBy } from "https://deno.land/x/pazza@v0.3.0/mod.ts";

escapedBy<V>(controlChar: string, transformer: (char: string) => V): IParser<V, ErrorKind.EscapedBy, string>

Parse escaped characters by calling a provided transformer function to allow to customize escaping logic.

const parser = escapedBy("\\", (char) => {
  if (char === "n") {
    return "\n";
  }
});
parser("\\n").output === "\n";
parser("\\t").ok === false;

Type Parameters

controlChar: string

Control char, like "\" in most programming languages.

transformer: (char: string) => V

Transformer function, with a single character as argument.

IParser<V, ErrorKind.EscapedBy, string>