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Gettext module For Node.JS to use .MO and .PO files

README.md

node-gettext

node-gettext is a Node.JS module to use .MO and .PO files.

NB! If you just want to parse or compile mo/po files, check out gettext-parser.

Features

  • Load binary MO or source PO files
  • Supports contexts and plurals

Build Status

Support node-gettext development

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Installation

npm install node-gettext

Usage

Create a new Gettext object

var Gettext = require("node-gettext");

var gt = new Gettext();

Add a language

addTextdomain(domain, file)

Language data needs to be in the Buffer format - it can be either contents of a MO or PO file.

addTextdomain(domain[, fileContents])

Load from a MO file

var fileContents = fs.readFileSync("et.mo");
gt.addTextdomain("et", fileContents);

or load from a PO file

var fileContents = fs.readFileSync("et.po");
gt.addTextdomain("et", fileContents);

If you do not include the file contents, then a blank language template object is created which can be edited with setTranslation, deleteTranslation methods etc.

Plural rules are automatically detected from the language code

gt.addTextdomain("et");
gt.setTranslation("et", false, "hello!", "tere!");

Check or change default language

textdomain(domain)

gt.textdomain("et");

The function also returns the current texdomain value

var curlang = gt.textdomain();

Translation methods

Load a string from default language file

gettext(msgid)

var greeting = gt.gettext("Hello!");

Load a string from a specific language file

dgettext(domain, msgid)

var greeting = gt.dgettext("et", "Hello!");

Load a plural string from default language file

ngettext(msgid, msgid_plural, count)

gt.ngettext("%d Comment", "%d Comments", 10);

Load a plural string from a specific language file

dngettext(domain, msgid, msgid_plural, count)

gt.dngettext("et", "%d Comment", "%d Comments", 10)

Load a string of a specific context

pgettext(msgctxt, msgid)

gt.pgettext("menu items", "File");

Load a string of a specific context from specific language file

dpgettext(domain, msgctxt, msgid)

gt.dpgettext("et", "menu items", "File");

Load a plural string of a specific context

npgettext(msgctxt, msgid, msgid_plural, count)

gt.npgettext("menu items", "%d Recent File", "%d Recent Files", 3);

Load a plural string of a specific context from specific language file

dnpgettext(domain, msgctxt, msgid, msgid_plural, count)

gt.dnpgettext("et", "menu items", "%d Recent File", "%d Recent Files", 3);

Get comments for a translation (if loaded from PO)

getComment(domain, msgctxt, msgid)

gt.getComment("et", "menu items", "%d Recent File");

Returns an object in the form of {translator: "", extracted: "", reference: "", flag: "", previous: ""}

Advanced handling

If you need the translation object for a domain, for example et_EE, you can access it from gt.domains.et_EE.

If you want modify it and compile it to mo or po, checkout gettext-parser module.

License

MIT

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