microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-16 15:45:27 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Merge pull request #25341 from ajafff/factory-export-default

Browse Source 
createExportAssignment: parenthesize nested class or function expression
This commit is contained in:
Mohamed Hegazy
2018-07-06 10:33:34 -07:00
committed by GitHub
parent 1785041b8c 25610de38a
commit fd007e747d
2 changed files with 36 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/compiler/factory.ts
View File

@@ -4183,11 +4183,15 @@ namespace ts {
*/
export function parenthesizeDefaultExpression(e: Expression) {
const check = skipPartiallyEmittedExpressions(e);
return check.kind === SyntaxKind.ClassExpression ||
check.kind === SyntaxKind.FunctionExpression ||
isCommaSequence(check)
? createParen(e)
: e;
let needsParens = isCommaSequence(check);
if (!needsParens) {
switch (getLeftmostExpression(check, /*stopAtCallExpression*/ false).kind) {
case SyntaxKind.ClassExpression:
case SyntaxKind.FunctionExpression:
needsParens = true;
}
}
return needsParens ? createParen(e) : e;
}
/**