@dioxide-js/silas/dist/esm/node_modules/base32-encode/index.mjs

RPC utility for Silas

import { __require as requireToDataView } from '../to-data-view/index.mjs';

var base32Encode;
var hasRequiredBase32Encode;

function requireBase32Encode () {
	if (hasRequiredBase32Encode) return base32Encode;
	hasRequiredBase32Encode = 1;
	var toDataView = requireToDataView();

	var RFC4648 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ234567';
	var RFC4648_HEX = '0123456789ABCDEFGHIJKLMNOPQRSTUV';
	var CROCKFORD = '0123456789ABCDEFGHJKMNPQRSTVWXYZ';

	base32Encode = function base32Encode (data, variant, options) {
	  options = options || {};
	  var alphabet, defaultPadding;

	  switch (variant) {
	    case 'RFC3548':
	    case 'RFC4648':
	      alphabet = RFC4648;
	      defaultPadding = true;
	      break
	    case 'RFC4648-HEX':
	      alphabet = RFC4648_HEX;
	      defaultPadding = true;
	      break
	    case 'Crockford':
	      alphabet = CROCKFORD;
	      defaultPadding = false;
	      break
	    default:
	      throw new Error('Unknown base32 variant: ' + variant)
	  }

	  var padding = (options.padding !== undefined ? options.padding : defaultPadding);
	  var view = toDataView(data);

	  var bits = 0;
	  var value = 0;
	  var output = '';

	  for (var i = 0; i < view.byteLength; i++) {
	    value = (value << 8) | view.getUint8(i);
	    bits += 8;

	    while (bits >= 5) {
	      output += alphabet[(value >>> (bits - 5)) & 31];
	      bits -= 5;
	    }
	  }

	  if (bits > 0) {
	    output += alphabet[(value << (5 - bits)) & 31];
	  }

	  if (padding) {
	    while ((output.length % 8) !== 0) {
	      output += '=';
	    }
	  }

	  return output
	};
	return base32Encode;
}

export { requireBase32Encode as __require };
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