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Move Add-on SDK source to toolkit/jetpack

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NTD 2018-02-09 06:46:43 -05:00 • committed by Roy Tam
commit 23b67db438
993 changed files with 484 additions and 100663 deletions
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91
addon-sdk/source/lib/sdk/l10n.js
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
module.metadata = {
"stability": "stable"
};
const json = require("./l10n/json/core");
const { get: getKey } = require("./l10n/core");
const properties = require("./l10n/properties/core");
const { getRulesForLocale } = require("./l10n/plural-rules");
// Retrieve the plural mapping function
var pluralMappingFunction = getRulesForLocale(json.language()) ||
getRulesForLocale("en");
exports.get = function get(k) {
// For now, we only accept a "string" as first argument
// TODO: handle plural forms in gettext pattern
if (typeof k !== "string")
throw new Error("First argument of localization method should be a string");
let n = arguments[1];
// Get translation from big hashmap or default to hard coded string:
let localized = getKey(k, n) || k;
// # Simplest usecase:
// // String hard coded in source code:
// _("Hello world")
// // Identifier of a key stored in properties file
// _("helloString")
if (arguments.length <= 1)
return localized;
let args = Array.slice(arguments);
let placeholders = [null, ...args.slice(typeof(n) === "number" ? 2 : 1)];
if (typeof localized == "object" && "other" in localized) {
// # Plural form:
// // Strings hard coded in source code:
// _(["One download", "%d downloads"], 10);
// // Identifier of a key stored in properties file
// _("downloadNumber", 0);
let n = arguments[1];
// First handle simple universal forms that may not be mandatory
// for each language, (i.e. not different than 'other' form,
// but still usefull for better phrasing)
// For example 0 in english is the same form than 'other'
// but we accept 'zero' form if specified in localization file
if (n === 0 && "zero" in localized)
localized = localized["zero"];
else if (n === 1 && "one" in localized)
localized = localized["one"];
else if (n === 2 && "two" in localized)
localized = localized["two"];
else {
let pluralForm = pluralMappingFunction(n);
if (pluralForm in localized)
localized = localized[pluralForm];
else // Fallback in case of error: missing plural form
localized = localized["other"];
}
// Simulate a string with one placeholder:
args = [null, n];
}
// # String with placeholders:
// // Strings hard coded in source code:
// _("Hello %s", username)
// // Identifier of a key stored in properties file
// _("helloString", username)
// * We supports `%1s`, `%2s`, ... pattern in order to change arguments order
// in translation.
// * In case of plural form, we has `%d` instead of `%s`.
let offset = 1;
if (placeholders.length > 1) {
args = placeholders;
}
localized = localized.replace(/%(\d*)[sd]/g, (v, n) => {
let rv = args[n != "" ? n : offset];
offset++;
return rv;
});
return localized;
}