Fix TypeScript printer bug when encountering regular expression literals

Francois Wouts · Francois Wouts · commit 884cadf0a3b5 · 2017-08-27T22:03:56.000+10:00
See https://github.com/fwouts/sample-js-selfparsing/blob/typescriptbug/src/script.js to reproduce the bug. Not sure where to put tests for this, unfortunately!
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
@@ -359,6 +359,7 @@ namespace ts {
             case SyntaxKind.TemplateTail:
                 return "}" + escapeText(node.text, CharacterCodes.backtick) + "`";
             case SyntaxKind.NumericLiteral:
+            case SyntaxKind.RegularExpressionLiteral:
                 return node.text;
         }
 

Original file line number	Diff line number	Diff line change
`@@ -359,6 +359,7 @@ namespace ts {`
`359`	`359`	`case SyntaxKind.TemplateTail:`
`360`	`360`	return "}" + escapeText(node.text, CharacterCodes.backtick) + "`";
`361`	`361`	`case SyntaxKind.NumericLiteral:`
	`362`	`+ case SyntaxKind.RegularExpressionLiteral:`
`362`	`363`	`return node.text;`
`363`	`364`	`}`
`364`	`365`