Tests about support of HTML tags in translations keys with GetText (#172)

- Verify that html tags are supported in translation keys
- Add typed support of gettext-parser

src/compilers/po.compiler.ts

@@ -1,7 +1,7 @@
 import { CompilerInterface } from './compiler.interface';
 import { TranslationCollection, TranslationType } from '../utils/translation.collection';
 
-import * as gettext from 'gettext-parser';
+import { po } from 'gettext-parser';
 
 export class PoCompiler implements CompilerInterface {
 	public extension: string = 'po';
@@ -34,23 +34,24 @@ export class PoCompiler implements CompilerInterface {
 			}
 		};
 
-		return gettext.po.compile(data);
+		return po.compile(data).toString('utf8');
 	}
 
 	public parse(contents: string): TranslationCollection {
 		const collection = new TranslationCollection();
 
-		const po = gettext.po.parse(contents, 'utf8');
-		if (!po.translations.hasOwnProperty(this.domain)) {
+		const parsedPo = po.parse(contents, 'utf8');
+
+		if (!parsedPo.translations.hasOwnProperty(this.domain)) {
 			return collection;
 		}
 
-		const values = Object.keys(po.translations[this.domain])
+		const values = Object.keys(parsedPo.translations[this.domain])
 			.filter((key) => key.length > 0)
 			.reduce((result, key) => {
 				return {
 					...result,
-					[key]: po.translations[this.domain][key].msgstr.pop()
+					[key]: parsedPo.translations[this.domain][key].msgstr.pop()
 				};
 			}, {} as TranslationType);
 

src/declarations.d.ts

@@ -1 +0,0 @@
-declare module 'gettext-parser';