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Rich Trott
aaee43473b
|
8 years ago | |
|---|---|---|
| .. | ||
| dist | 8 years ago | |
| src | 8 years ago | |
| CONTRIBUTORS | 8 years ago | |
| README.md | 8 years ago | |
| index.js | 8 years ago | |
| package.json | 8 years ago | |
README.md
JsChardet
Port of python's chardet (https://github.com/chardet/chardet).
License
LGPL
How To Use It
Node
npm install jschardet
var jschardet = require("jschardet")
// "àíàçã" in UTF-8
jschardet.detect("\xc3\xa0\xc3\xad\xc3\xa0\xc3\xa7\xc3\xa3")
// { encoding: "UTF-8", confidence: 0.9690625 }
// "次常用國字標準字體表" in Big5
jschardet.detect("\xa6\xb8\xb1\x60\xa5\xce\xb0\xea\xa6\x72\xbc\xd0\xb7\xc7\xa6\x72\xc5\xe9\xaa\xed")
// { encoding: "Big5", confidence: 0.99 }
Browser
Copy and include jschardet.min.js in your web page.
This library is also available in cdnjs at https://cdnjs.cloudflare.com/ajax/libs/jschardet/1.4.1/jschardet.min.js
Options
// See all information related to the confidence levels of each encoding.
// This is useful to see why you're not getting the expected encoding.
jschardet.Constants._debug = true;
// Default minimum accepted confidence level is 0.20 but sometimes this is not
// enough, specially when dealing with files mostly with numbers.
// To change this to 0 to always get something or any other value that can
// work for you.
jschardet.Constants.MINIMUM_THRESHOLD = 0;
Supported Charsets
- Big5, GB2312/GB18030, EUC-TW, HZ-GB-2312, and ISO-2022-CN (Traditional and Simplified Chinese)
- EUC-JP, SHIFT_JIS, and ISO-2022-JP (Japanese)
- EUC-KR and ISO-2022-KR (Korean)
- KOI8-R, MacCyrillic, IBM855, IBM866, ISO-8859-5, and windows-1251 (Russian)
- ISO-8859-2 and windows-1250 (Hungarian)
- ISO-8859-5 and windows-1251 (Bulgarian)
- windows-1252
- ISO-8859-7 and windows-1253 (Greek)
- ISO-8859-8 and windows-1255 (Visual and Logical Hebrew)
- TIS-620 (Thai)
- UTF-32 BE, LE, 3412-ordered, or 2143-ordered (with a BOM)
- UTF-16 BE or LE (with a BOM)
- UTF-8 (with or without a BOM)
- ASCII
Technical Information
I haven't been able to create tests to correctly detect:
- ISO-2022-CN
- windows-1250 in Hungarian
- windows-1251 in Bulgarian
- windows-1253 in Greek
- EUC-CN
Development
Use npm run dist to update the distribution files. They're available at https://github.com/aadsm/jschardet/tree/master/dist.
Authors
Ported from python to JavaScript by António Afonso (https://github.com/aadsm/jschardet)
Transformed into an npm package by Markus Ast (https://github.com/brainafk)