@c8y/ngx-components
Version:
Angular modules for Cumulocity IoT applications
65 lines • 10.6 kB
JavaScript
import { Injectable } from '@angular/core';
import { PatternMessagesService } from './pattern-messages.service';
import { TranslateParser } from '@ngx-translate/core';
import * as i0 from "@angular/core";
import * as i1 from "@ngx-translate/core";
import * as i2 from "./pattern-messages.service";
export class MissingTranslationCustomHandler {
constructor(parser, patternMessagesService) {
this.parser = parser;
this.patternMessagesService = patternMessagesService;
this.cache = new Map();
}
handle(params) {
const { key: messageKey, interpolateParams, translateService } = params;
this.translateService = translateService;
let translation = this.getFromCache(messageKey, interpolateParams);
if (!translation) {
const patternMessageTranslation = this.getPatternMessageTranslation(messageKey, interpolateParams);
if (patternMessageTranslation) {
translation = patternMessageTranslation;
}
else {
translation = this.parser.interpolate(messageKey, interpolateParams);
}
translation = this.removeContextIndicators(translation);
this.addToCache(messageKey, interpolateParams, translation);
}
return translation;
}
getFromCache(messageKey, interpolateParams) {
const { currentLang } = this.translateService;
const currentCache = this.cache.get(currentLang) || new Map();
const cacheKey = this.getCacheKey(messageKey, interpolateParams);
return currentCache.get(cacheKey);
}
addToCache(messageKey, interpolateParams, translation) {
const { currentLang } = this.translateService;
const currentCache = this.cache.get(currentLang) || new Map();
const cacheKey = this.getCacheKey(messageKey, interpolateParams);
currentCache.set(cacheKey, translation);
this.cache.set(currentLang, currentCache);
}
getCacheKey(messageKey, interpolateParams) {
return interpolateParams ? `${messageKey} ${JSON.stringify(interpolateParams)}` : messageKey;
}
getPatternMessageTranslation(messageKey, interpolateParams) {
const shouldTryPatternMessages = !interpolateParams || !interpolateParams.noPatternMessages;
if (shouldTryPatternMessages) {
if (!this.patternMessagesService.translateService) {
this.patternMessagesService.translateService = this.translateService;
}
return this.patternMessagesService.translate(messageKey);
}
return undefined;
}
removeContextIndicators(translation) {
return translation.replace(/`[^`]*`/g, '');
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: MissingTranslationCustomHandler, deps: [{ token: i1.TranslateParser }, { token: i2.PatternMessagesService }], target: i0.ɵɵFactoryTarget.Injectable }); }
static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: MissingTranslationCustomHandler }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: MissingTranslationCustomHandler, decorators: [{
type: Injectable
}], ctorParameters: () => [{ type: i1.TranslateParser }, { type: i2.PatternMessagesService }] });
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