windows-1257

windows-1257

windows-1257 is a robust JavaScript implementation of the windows-1257 character encoding as defined by the Encoding Standard.

This encoding is known under the following names: cp1257, windows-1257, and x-cp1257.

Installation

Via npm:

npm install windows-1257

In a browser:

<script src="windows-1257.js"></script>

In Node.js, io.js, Narwhal, and RingoJS:

var windows1257 = require('windows-1257');

In Rhino:

load('windows1257.js');

Using an AMD loader like RequireJS:

require(
  {
    'paths': {
      'windows-1257': 'path/to/windows-1257'
    }
  },
  ['windows-1257'],
  function(windows1257) {
    console.log(windows1257);
  }
);

API

windows1257.version

A string representing the semantic version number.

windows1257.labels

An array of strings, each representing a label for this encoding.

windows1257.encode(input, options)

This function takes a plain text string (the input parameter) and encodes it according to windows-1257. The return value is a ‘byte string’, i.e. a string of which each item represents an octet as per windows-1257.

const encodedData = windows1257.encode(text);

The optional options object and its mode property can be used to set the error mode. For encoding, the error mode can be 'fatal' (the default) or 'html'.

const encodedData = windows1257.encode(text, {
  'mode': 'html'
});
// If `text` contains a symbol that cannot be represented in windows-1257,
// instead of throwing an error, it will return an HTML entity for the symbol.

windows1257.decode(input, options)

This function takes a byte string (the input parameter) and decodes it according to windows-1257.

const text = windows1257.decode(encodedData);

The optional options object and its mode property can be used to set the error mode. For decoding, the error mode can be 'replacement' (the default) or 'fatal'.

const text = windows1257.decode(encodedData, {
  'mode': 'fatal'
});
// If `encodedData` contains an invalid byte for the windows-1257 encoding,
// instead of replacing it with U+FFFD in the output, an error is thrown.

For decoding a buffer (e.g. from fs.readFile) use buffer.toString('binary') to get the byte string which decode takes.

Support

windows-1257 is designed to work in at least Node.js v0.10.0, io.js v1.0.0, Narwhal 0.3.2, RingoJS 0.8-0.11, PhantomJS 1.9.0, Rhino 1.7RC4, as well as old and modern versions of Chrome, Firefox, Safari, Opera, Edge, and Internet Explorer.

Notes

Similar modules for other single-byte legacy encodings are available.

Author

Mathias Bynens

License

windows-1257 is available under the MIT license.