Remove line breaks and tabs from extracted keys in templates. Closes #144, #167

src/parsers/directive.parser.ts

@@ -14,7 +14,7 @@ export class DirectiveParser implements ParserInterface {
 
 		const nodes: TmplAstNode[] = this.parseTemplate(source, filePath);
 		this.getTranslatableElements(nodes).forEach(element => {
-			const key = this.getElementTranslateAttrValue(element) || this.getElementContents(element);
+			const key = this.getElementTranslateAttrValue(element) || this.getElementContent(element);
 			collection = collection.add(key);
 		});
 
@@ -35,7 +35,7 @@ export class DirectiveParser implements ParserInterface {
 			return [];
 		}
 
-		// If element has translate attribute all its contents is translatable
+		// If element has translate attribute all its content is translatable
 		// so we don't need to traverse any deeper
 		if (this.isTranslatable(node)) {
 			return [node];
@@ -73,10 +73,15 @@ export class DirectiveParser implements ParserInterface {
 		return attr?.value ?? '';
 	}
 
-	protected getElementContents(element: TmplAstElement): string {
+	protected getElementContent(element: TmplAstElement): string {
-		const contents = element.sourceSpan.start.file.content;
+		const content = element.sourceSpan.start.file.content;
 		const start = element.startSourceSpan.end.offset;
 		const end = element.endSourceSpan.start.offset;
-		return contents.substring(start, end).trim();
+		const val = content.substring(start, end);
+		return this.cleanKey(val);
+	}
+
+	protected cleanKey(val: string): string {
+		return val.replace(/\r?\n|\r|\t/g, '');
 	}
 }

tests/parsers/directive.parser.spec.ts

@@ -85,4 +85,26 @@ describe('DirectiveParser', () => {
 		const keys = parser.extract(contents, componentFilename).keys();
 		expect(keys).to.deep.equal([]);
 	});
+
+	it('should extract contents without line breaks', () => {
+		const contents = `
+			<p translate>
+				Please leave a message for your client letting them know why you 
+				rejected the field and what they need to do to fix it.
+			</p>
+		`;
+		const keys = parser.extract(contents, templateFilename).keys();
+		expect(keys).to.deep.equal(['Please leave a message for your client letting them know why you rejected the field and what they need to do to fix it.']);
+	});
+
+	it('should extract contents without indent spaces', () => {
+		const contents = `
+			<div *ngIf="!isLoading && studentsToGrid && studentsToGrid.length == 0" class="no-students" mt-rtl translate>There 
+				are currently no students in this class. The good news is, adding students is really easy! Just use the options 
+				at the top.
+			</div>
+		`;
+		const keys = parser.extract(contents, templateFilename).keys();
+		expect(keys).to.deep.equal(['There are currently no students in this class. The good news is, adding students is really easy! Just use the options at the top.']);
+	});
 });