ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
167 lines • 13.5 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Alibaba.com All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { Inject, Injectable, Optional } from '@angular/core';
import { BehaviorSubject } from 'rxjs';
import { warn } from 'ng-zorro-antd/core';
import zh_CN from './languages/zh_CN';
import { NZ_DATE_LOCALE, NZ_I18N } from './nz-i18n.token';
import * as i0 from "@angular/core";
import * as i1 from "./nz-i18n.token";
export class NzI18nService {
/**
* @param {?} locale
* @param {?} dateLocale
*/
constructor(locale, dateLocale) {
this._change = new BehaviorSubject(this._locale);
this.setLocale(locale || zh_CN);
this.setDateLocale(dateLocale || null);
}
/**
* @return {?}
*/
get localeChange() {
return this._change.asObservable();
}
// [NOTE] Performance issue: this method may called by every change detections
// TODO: cache more deeply paths for performance
/* tslint:disable-next-line:no-any */
/**
* @param {?} path
* @param {?=} data
* @return {?}
*/
translate(path, data) {
// this._logger.debug(`[NzI18nService] Translating(${this._locale.locale}): ${path}`);
/** @type {?} */
let content = (/** @type {?} */ (this._getObjectPath(this._locale, path)));
if (typeof content === 'string') {
if (data) {
Object.keys(data).forEach((/**
* @param {?} key
* @return {?}
*/
key => (content = content.replace(new RegExp(`%${key}%`, 'g'), data[key]))));
}
return content;
}
return path;
}
/**
* Set/Change current locale globally throughout the WHOLE application
* NOTE: If called at runtime, rendered interface may not change along with the locale change,
* because this do not trigger another render schedule.
*
* @param {?} locale The translating letters
* @return {?}
*/
setLocale(locale) {
if (this._locale && this._locale.locale === locale.locale) {
return;
}
this._locale = locale;
this._change.next(locale);
}
/**
* @return {?}
*/
getLocale() {
return this._locale;
}
/**
* @return {?}
*/
getLocaleId() {
return this._locale ? this._locale.locale : '';
}
/**
* @param {?} dateLocale
* @return {?}
*/
setDateLocale(dateLocale) {
this.dateLocale = dateLocale;
}
/**
* @return {?}
*/
getDateLocale() {
return this.dateLocale;
}
/**
* Get locale data
* @param {?} path dot paths for finding exist value from locale data, eg. "a.b.c"
* @param {?=} defaultValue default value if the result is not "truthy"
* @return {?}
*/
// tslint:disable-next-line:no-any
getLocaleData(path, defaultValue) {
/** @type {?} */
const result = path ? this._getObjectPath(this._locale, path) : this._locale;
if (!result && !defaultValue) {
warn(`Missing translations for "${path}" in language "${this._locale.locale}".
You can use "NzI18nService.setLocale" as a temporary fix.
Welcome to submit a pull request to help us optimize the translations!
https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md`);
}
return result || defaultValue || {};
}
// tslint:disable-next-line:no-any
/**
* @private
* @param {?} obj
* @param {?} path
* @return {?}
*/
_getObjectPath(obj, path) {
/** @type {?} */
let res = obj;
/** @type {?} */
const paths = path.split('.');
/** @type {?} */
const depth = paths.length;
/** @type {?} */
let index = 0;
while (res && index < depth) {
res = res[paths[index++]];
}
return index === depth ? res : null;
}
}
NzI18nService.decorators = [
{ type: Injectable, args: [{
providedIn: 'root'
},] }
];
/** @nocollapse */
NzI18nService.ctorParameters = () => [
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [NZ_I18N,] }] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [NZ_DATE_LOCALE,] }] }
];
/** @nocollapse */ NzI18nService.ngInjectableDef = i0.ɵɵdefineInjectable({ factory: function NzI18nService_Factory() { return new NzI18nService(i0.ɵɵinject(i1.NZ_I18N, 8), i0.ɵɵinject(i1.NZ_DATE_LOCALE, 8)); }, token: NzI18nService, providedIn: "root" });
if (false) {
/**
* @type {?}
* @private
*/
NzI18nService.prototype._locale;
/**
* @type {?}
* @private
*/
NzI18nService.prototype._change;
/**
* @type {?}
* @private
*/
NzI18nService.prototype.dateLocale;
}
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this._locale.locale : '';\n  }\n\n  setDateLocale(dateLocale: DateLocale): void {\n    this.dateLocale = dateLocale;\n  }\n\n  getDateLocale(): DateLocale {\n    return this.dateLocale;\n  }\n\n  /**\n   * Get locale data\n   * @param path dot paths for finding exist value from locale data, eg. \"a.b.c\"\n   * @param defaultValue default value if the result is not \"truthy\"\n   */\n  // tslint:disable-next-line:no-any\n  getLocaleData(path: string, defaultValue?: any): any {\n    const result = path ? this._getObjectPath(this._locale, path) : this._locale;\n\n    if (!result && !defaultValue) {\n      warn(`Missing translations for \"${path}\" in language \"${this._locale.locale}\".\nYou can use \"NzI18nService.setLocale\" as a temporary fix.\nWelcome to submit a pull request to help us optimize the translations!\nhttps://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md`);\n    }\n\n    return result || defaultValue || {};\n  }\n\n  // tslint:disable-next-line:no-any\n  private _getObjectPath(obj: IndexableObject, path: string): string | object | any {\n    let res = obj;\n    const paths = path.split('.');\n    const depth = paths.length;\n    let index = 0;\n    while (res && index < depth) {\n      res = res[paths[index++]];\n    }\n    return index === depth ? res : null;\n  }\n}\n"]}