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@confuzzle/puz-sharing

v1.2.3

Published

.puz crossword reader, writer, and parser with compression and encoding

Downloads

9

Readme

@confuzzle/puz-sharing

This package extends @confuzzle/puz-crossword, adding capabilities for compressing and converting .puz files to URL-compatible base64 and emoji. The compressed format should be treated as experimental and will not be backwards-compatible betweeen releases of this package at this stage.

This package makes use of @thi.ng/range-coder by Karsten Schmidt, part of the excellent @thi.ng umbrella library.

Contents

This package provides a single class, ShareablePuz, which extends PuzCrossword with the following additional methods:

  • ShareablePuz.toCompressed() - return a compressed representation of the crossword as raw bytes
  • ShareablePuz.toEmoji() - the compressed representation encoded using @confuzzle/ecoji-buffers
  • ShareablePuz.toURL() - the compressed representation encoded using @base64url

Each of these methods has a counterpart returning a new ShareablePuz object from its output x:

  • ShareablePuz.fromCompressed(x)
  • ShareablePuz.fromEmoji(x)
  • ShareablePuz.fromURL(x)

Example Usage

const ShareablePuz = require('@confuzzle/puz-sharing').ShareablePuz;
const fs = require('fs');
const cw = ShareablePuz.from(fs.readFileSync("test.puz"));
console.log(cw.title) // Test puzzle
const emoji = cw.toEmoji();
console.log(emoji.slice(0, 10)) // 🧩✨0️⃣🌌🇩
const cw2 = ShareablePuz.fromEmoji(emoji);
console.log(cw2.title) // Test puzzle