/* This file is part of TALER (C) 2016 GNUnet e.V. TALER is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. TALER is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with TALER; see the file COPYING. If not, see */ "use strict"; document.addEventListener( "DOMContentLoaded", function () { try { document.body.lang = chrome.i18n.getUILanguage(); } catch (e) { // chrome.* not available? } }); declare var i18n: any; /** * Information about the last two i18n results, used by plural() * 2-element array, each element contains { stringFound: boolean, pluralValue: number } */ var i18nResult = [] as any; const JedModule: any = (window as any)["Jed"]; var jed: any; class PluralNumber { n: number; constructor(n: number) { this.n = n; } valueOf () { return this.n; } toString () { return this.n.toString(); } } /** * Initialize Jed */ function init () { if ("object" === typeof jed) { return; } if ("function" !== typeof JedModule) { return; } if (!(i18n.lang in i18n.strings)) { i18n.lang = "en-US"; return; } jed = new JedModule(i18n.strings[i18n.lang]); } /** * Convert template strings to a msgid */ function toI18nString(strings: string[]) { let str = ""; for (let i = 0; i < strings.length; i++) { str += strings[i]; if (i < strings.length - 1) { str += "%"+ (i+1) +"$s"; } } return str; } /** * Use the first number in values to determine plural form */ function getPluralValue (values: any) { let n = null; for (let i = 0; i < values.length; i++) { if ("number" === typeof values[i] || values[i] instanceof PluralNumber) { if (null === n || values[i] instanceof PluralNumber) { n = values[i].valueOf(); } } } return (null === n) ? 1 : n; } /** * Store information about the result of the last to i18n() or i18n.parts() * * @param i18nString the string template as found in i18n.strings * @param pluralValue value returned by getPluralValue() */ function setI18nResult (i18nString: string, pluralValue: number) { i18nResult[1] = i18nResult[0]; i18nResult[0] = { stringFound: i18nString in i18n.strings[i18n.lang].locale_data[i18n.lang], pluralValue: pluralValue }; } /** * Internationalize a string template with arbitrary serialized values. */ var i18n = (function i18n(strings: string[], ...values: any[]) { init(); //console.log('i18n:', strings, values); if ("object" !== typeof jed) { // Fallback implementation in case i18n lib is not there return String.raw(strings as any, ...values); } let str = toI18nString (strings); let n = getPluralValue (values); let tr = jed.translate(str).ifPlural(n, str).fetch(...values); setI18nResult (str, n); return tr; }) as any; try { i18n.lang = chrome.i18n.getUILanguage(); } catch (e) { console.warn("i18n default language not available"); } i18n.strings = {}; /** * Interpolate i18nized values with arbitrary objects. * @return Array of strings/objects. */ i18n.parts = function(strings: string[], ...values: any[]) { init(); if ("object" !== typeof jed) { // Fallback implementation in case i18n lib is not there let parts: string[] = []; for (let i = 0; i < strings.length; i++) { parts.push(strings[i]); if (i < values.length) { parts.push(values[i]); } } return parts; } let str = toI18nString(strings); let n = getPluralValue(values); let tr = jed.ngettext(str, str, n).split(/%(\d+)\$s/); let parts: string[] = []; for (let i = 0; i < tr.length; i++) { if (0 == i % 2) { parts.push(tr[i]); } else { parts.push(values[parseInt(tr[i]) - 1]); } } setI18nResult(str, n); return parts; }; /** * Pluralize based on first numeric parameter in the template. * @todo The plural argument is used for extraction by pogen.js */ i18n.plural = function (singular: any, plural: any) { if (i18nResult[1].stringFound) { // string found in translation file? // 'singular' has the correctly translated & pluralized text return singular; } else { // return appropriate form based on value found in 'singular' return (1 == i18nResult[1].pluralValue) ? singular : plural; } }; interface TranslateSwitchProps { target: number; } /** * Return a number that is used to determine the plural form for a template. */ i18n.number = function (n : number) { return new PluralNumber (n); }; i18n.Translate = class extends React.Component { render(): JSX.Element { return
{this.props.children}
; } } i18n.TranslateSwitch = class extends React.Component{ render(): JSX.Element { let singular; let plural; let children = this.props.children; if (children) { React.Children.forEach(children, (child: any) => { if (child.type == i18n.TranslatePlural) { plural = child; } if (child.type == i18n.TranslateSingular) { singular = child; } }); } if ((!singular) || (!plural)) { console.error("translation not found"); return React.createElement("span", {}, ["translation not found"]); } if (this.props.target == 1) { return singular; } else { return plural; } } } interface TranslationProps { /** * Substitutions to do for the translation. */ subst: {[n: number]: any}; } i18n.TranslatePlural = class extends React.Component{ render(): JSX.Element { return
{this.props.children}
; } } i18n.TranslateSingular = class extends React.Component{ render(): JSX.Element { return
{this.props.children}
; } }