Handle slash token

src/index.ts

@@ -562,6 +562,7 @@ export const plugin: Plugin = {
 							result += ']';
 							break;
 						case 'interpolation':
+							result = printIndent(previousToken, result, indent, indentLevel);
 							result += `#{${token.val}}`;
 							break;
 						case 'include':
@@ -664,6 +665,9 @@ export const plugin: Plugin = {
 							result = printIndent(previousToken, result, indent, indentLevel);
 							result += 'yield';
 							break;
+						case 'slash':
+							result += '/';
+							break;
 						default:
 							throw new Error('Unhandled token: ' + JSON.stringify(token));
 					}

src/pug-lexer.d.ts

@@ -39,6 +39,7 @@ declare module 'pug-lexer' {
 			| 'newline'
 			| 'outdent'
 			| 'path'
+			| 'slash'
 			| 'start-attributes'
 			| 'start-pipeless-text'
 			| 'start-pug-interpolation'
@@ -200,6 +201,8 @@ declare module 'pug-lexer' {
 
 		export type YieldToken = LexToken<'yield'>;
 
+		export type SlashToken = LexToken<'slash'>;
+
 		export type Token =
 			| AndAttributesToken
 			| AttributeToken
@@ -234,6 +237,7 @@ declare module 'pug-lexer' {
 			| NewlineToken
 			| OutdentToken
 			| PathToken
+			| SlashToken
 			| StartAttributesToken
 			| StartPipelessTextToken
 			| StartPugInterpolationToken

test/slash/formatted.pug

@@ -0,0 +1,19 @@
+
+body
+  foo
+  foo(bar="baz")
+  foo/
+  foo(bar="baz")/
+  foo /
+  foo(bar="baz") /
+  #{'foo'}/
+  #{'foo'}(bar="baz")/
+  #{'foo'}/
+  #{'foo'}(bar="baz") /
+  //- can have a single space after them
+  img
+  //- can have lots of white space after them
+  img
+  #{
+    'foo'
+  }/

test/slash/slash.test.ts

@@ -0,0 +1,14 @@
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+import { format } from 'prettier';
+import { plugin } from './../../src/index';
+
+describe('Slash', () => {
+	test('should handle slash token', () => {
+		const expected: string = readFileSync(resolve(__dirname, 'formatted.pug'), 'utf8');
+		const code: string = readFileSync(resolve(__dirname, 'unformatted.pug'), 'utf8');
+		const actual: string = format(code, { parser: 'pug' as any, plugins: [plugin] });
+
+		expect(actual).toBe(expected);
+	});
+});

test/slash/unformatted.pug

@@ -0,0 +1,19 @@
+
+body
+  foo
+  foo(bar='baz')
+  foo/
+  foo(bar='baz')/
+  foo /
+  foo(bar='baz') /
+  #{'foo'}/
+  #{'foo'}(bar='baz')/
+  #{'foo'} /
+  #{'foo'}(bar='baz') /
+  //- can have a single space after them
+  img
+  //- can have lots of white space after them
+  img
+  #{
+    'foo'
+  }/