basebanana 0.1.2

baseBanana implementation
Documentation 
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<!doctype html>
<html lang="en-US">
  <head>
    <meta charset="utf-8" />
    <title>Test for the wasm banana build</title>
  </head>
  <body>
    <p>Check the console!</p>

    <script type="module">
      import init, { banana_encode, banana_random, banana_decode, banana_is_valid } from "./pkg/banana.js";
      init().then(() => {
        // Let's encode something
        console.assert(banana_encode(BigInt(42)) === "pi")
        console.assert(banana_is_valid(banana_encode(BigInt(42))))

        // Let's use the params:
        console.assert(banana_encode(BigInt(42), /* alpha shift: */1, /* end shift */1, /* min length */10) === "ababababapi");
        console.assert(banana_is_valid(banana_encode(BigInt(42), 1, 1, 10), 1, 1))

        // Custom alphabets:
        console.assert(banana_encode(BigInt(42), 1, 1, 10, ["qwertyu", "asdfghj", "zxcvb"]) === "azqazqazua");
        console.assert(banana_is_valid(banana_encode(BigInt(42), 1, 1, 10, ["qwertyu", "asdfghj", "zxcvb"]), 1, 1, ["qwertyu", "asdfghj", "zxcvb"]))

        // Unicode alphabets:
        console.assert(banana_encode(BigInt(42), 1, 1, 10, ["🐼🐵🦍🐶🐺🦊🐱🦁🐯🐷🐭🐹🐰🐻🐨", "⚽⚾🏀🏐🏈🏉:🍇🍉🍊🍋🍌🍍🍎🍐🍑🍒🍓🥝🥥🥑🌰"]) === "⚽🐼⚽🐼⚽🐼⚽🐼⚽🐵🥑");

        // Random!
        console.assert(banana_random().length !== 0)
        console.assert(banana_random(1, 1, 10, ["123", "qwe", "asd"]).length === 10)

        // Decoding
        console.assert(banana_decode(banana_encode(BigInt(42))) === 42n)
        console.assert(banana_decode(banana_encode(BigInt(42), 1, 1, 10), 1, 1) === 42n)
        console.assert(banana_decode(banana_encode(BigInt(42), 1, 1, 10, ["qwertyu", "asdfghj", "zxcvb"]), 1, 1, ["qwertyu", "asdfghj", "zxcvb"]) === 42n)
      });
    </script>
  </body>
</html>