i18n-format

<i18n-format>

Text formatter with Unicode CLDR plural rules and choices (like gender) support.

Demo and API Docs

Install

    npm install i18n-format

Import

    import "i18n-format/i18n-format.js";

Usage

Simple Template Format

    <p>
      <i18n-format>
        <span>{1} element is effective for UI localization with {2}.</span>
        <code>i18n-format</code>
        <a href="https://www.google.com/">parameters</a>
      </i18n-format>
    </p>

This renders as follows:

    <p><code>i18n-format</code> element is effective for UI localization with <a href="https://www.google.com/">parameters</a>.</p>

Compound Template Format

An appropriate template in json-data is selected by plural categories, gender, etc.

    <p>
      <i18n-format lang="{{lang}}">
        <json-data>{
          "0": "You ({3}) gave no gifts.",
          "1": {
            "male": "You ({3}) gave him ({4}) {5}.",
            "female": "You ({3}) gave her ({4}) {5}.",
            "other": "You ({3}) gave them ({4}) {5}."
          },
          "one": {
            "male": "You ({3}) gave him ({4}) and one other person {5}.",
            "female": "You ({3}) gave her ({4}) and one other person {5}.",
            "other": "You ({3}) gave them ({4}) and one other person {5}."
          },
          "other": "You ({3}) gave them ({4}) and {1} other people gifts."
        }</json-data>
        <i18n-number lang="{{effectiveLang}}" offset="1">{{recipients.length}}</i18n-number>
        <span>{{recipients.0.gender}}</span>
        <span>{{sender.name}}</span>
        <span>{{recipients.0.name}}</span>
        <span>a gift</span>
      </i18n-format>
    </p>

With these values for the parameters, the template path .one.female is selected from <json-data>.

Parameters	Values
lang	'en'
recipients.length	2
recipients.0.gender	'female'
sender.name	'James'
recipients.0.name	'Alice'

So this example renders as follows:

  <p>You (<span>James</span>) gave her (<span>Alice</span>) and one other person <span>a gift</span>.</p>

<i18n-number> specifies plural categories for CLDR plural rules.

Demo

Prerequisite for Building and Serving Demo

    npm install -g polymer-cli

On-the-fly Build

    # Serve at http://localhost:8080/components/i18n-format/demo/
    polymer serve --npm --module-resolution=node -p 8080

Static Builds

• Build

    polymer build

• Targets

target	browser	minify	bundled
build/esm-unbundled	es6,modules	no	no
build/esm-bundled	es6,modules	yes	yes
build/es6-bundled	es6	yes	yes
build/es5-bundled	es5	yes	yes

• Serve

    # Serve at http://localhost:8080/
    cd build/{esm-unbundled|esm-bundled|es6-bundled|es5-bundled}
    python -m SimpleHTTPServer 8080 # or any HTTP(S) server

License

BSD-2-Clause

Changelog

[5.0.0] 2019-9-28

Added

• Support lit-html@2.0.0

Changed

• Update package-lock.json

Removed

• ShadyDOM tests

Removed