b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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// Start Outer IIFE
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(function(exports) {
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'use strict';
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// helper function, bound to manifest and property name in constructor
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function ManifestHelper_get(prop) {
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var manifest = this;
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var value = manifest[prop];
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var lang = document.documentElement.lang || '';
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if (manifest.locales) {
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// try to replace values from the locales object using the best language
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// match. stop when a replacement is found
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[lang, lang.substr(0, lang.indexOf('-'))].some(function tryLanguage(lang) {
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// this === manifest.locales
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if (this[lang] && this[lang][prop]) {
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value = this[lang][prop];
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// aborts [].some
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return true;
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}
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}, manifest.locales);
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}
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// return a new ManifestHelper for any object children
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if (typeof value === 'object' && !(value instanceof Array)) {
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value = new ManifestHelper(value);
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}
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return value;
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}
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/**
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* Helper object to access manifest information with locale support.
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*
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* @constructor
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* @param {Object} manifest The app manifest.
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*/
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function ManifestHelper(manifest) {
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// Bind getters for the localized property values.
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for (var prop in manifest) {
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Object.defineProperty(this, prop, {
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get: ManifestHelper_get.bind(manifest, prop),
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enumerable: true
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});
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}
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}
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/**
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* Getter for display name (short_name if defined, otherwise name).
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*/
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Object.defineProperty(ManifestHelper.prototype, 'displayName', {
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get: function displayName() {
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return this.short_name || this.name;
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}
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});
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exports.ManifestHelper = ManifestHelper;
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// End outer IIFE
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}(window));
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