86 lines
2.2 KiB
Markdown
86 lines
2.2 KiB
Markdown
charset
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=======
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[![NPM version][npm-image]][npm-url]
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[![build status][travis-image]][travis-url]
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[![Test coverage][codecov-image]][codecov-url]
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[![David deps][david-image]][david-url]
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[![npm download][download-image]][download-url]
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[npm-image]: https://img.shields.io/npm/v/charset.svg?style=flat-square
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[npm-url]: https://npmjs.org/package/charset
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[travis-image]: https://img.shields.io/travis/node-modules/charset.svg?style=flat-square
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[travis-url]: https://travis-ci.org/node-modules/charset
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[codecov-image]: https://codecov.io/gh/node-modules/charset/branch/master/graph/badge.svg
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[codecov-url]: https://codecov.io/gh/node-modules/charset
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[david-image]: https://img.shields.io/david/node-modules/charset.svg?style=flat-square
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[david-url]: https://david-dm.org/node-modules/charset
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[download-image]: https://img.shields.io/npm/dm/charset.svg?style=flat-square
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[download-url]: https://npmjs.org/package/charset
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Get the content charset from header and html content-type.
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## Install
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```bash
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$ npm install charset --save
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```
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## Usage
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### Detect charset from http client response and content
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```js
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var charset = require('charset');
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var http = require('http');
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http.get('http://nodejs.org', function (res) {
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res.on('data', function (chunk) {
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console.log(charset(res.headers, chunk));
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// or `console.log(charset(res, chunk));`
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res.destroy();
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});
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});
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```
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Stdout will should log: `utf8` .
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### Detect from String
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```js
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charset(res.headers['content-type']);
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```
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### Detect combine with [jschardet]
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As you know, `charset` only detect from http response headers and html content-type meta tag.
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You can combine with [jschardet] to help you detect the finally charset.
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This example codes come from [stackoverflow#12326688](http://stackoverflow.com/a/18712021/2496088):
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```js
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var request = require('request');
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var charset = require('charset');
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var jschardet = require('jschardet');
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request({
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url: 'http://www.example.com',
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encoding: null
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}, function (err, res, body) {
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if (err) {
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throw err;
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}
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enc = charset(res.headers, body);
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enc = enc || jschardet.detect(body).encoding.toLowerCase();
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console.log(enc);
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});
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```
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## License
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[MIT](LICENSE.txt)
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[jschardet]: https://github.com/aadsm/jschardet
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