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i18n.plural()

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This commit is contained in:
tg(x) 2016-09-27 13:08:38 +02:00
parent 0b354d2a5c
commit 69d09ddea6
2 changed files with 46 additions and 6 deletions
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2
Makefile
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@ -20,7 +20,7 @@ tsc: tsconfig.json node_modules
tsconfig.json: gulpfile.js node_modules
$(gulp) tsconfig
i18n: pogen i18n/strings.js
i18n: pogen msgmerge i18n/strings.js
pogen/pogen.js: pogen/pogen.ts pogen/tsconfig.json node_modules
cd pogen; ../$(tsc)

50
lib/i18n.ts
View File

@ -24,6 +24,12 @@ document.addEventListener(
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 = <any>[];
const JedModule: any = (window as any)["Jed"];
var jed: any;
@ -45,7 +51,9 @@ class PluralNumber {
}
/** Initialize Jed */
/**
* Initialize Jed
*/
function init () {
if ("object" === typeof jed) {
return;
@ -61,7 +69,9 @@ function init () {
}
/** Convert template strings to a msgid */
/**
* Convert template strings to a msgid
*/
function toI18nString(strings: string[]) {
let str = "";
for (let i = 0; i < strings.length; i++) {
@ -74,7 +84,9 @@ function toI18nString(strings: string[]) {
}
/** Use the first number in values to determine plural form */
/**
* 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++) {
@ -88,8 +100,27 @@ function getPluralValue (values: any) {
}
/**
* 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 = <any>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);
@ -98,6 +129,8 @@ var i18n = <any>function i18n(strings: string[], ...values: any[]) {
let str = toI18nString (strings);
let n = getPluralValue (values);
let tr = jed.translate(str).ifPlural(n, str).fetch(...values);
setI18nResult (str, n);
return tr;
};
@ -136,6 +169,7 @@ i18n.parts = function(strings: string[], ...values: any[]) {
}
}
setI18nResult (str, n);
return parts;
};
@ -144,8 +178,14 @@ i18n.parts = function(strings: string[], ...values: any[]) {
* Pluralize based on first numeric parameter in the template.
* @todo The plural argument is used for extraction by pogen.js
*/
i18n.pluralize = function (singular: any, plural: any) {
return singular;
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;
}
};