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Merge pull request #3182 from babel/arrow-fn

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Parenthesize arrow function when part of logical or binary expression
This commit is contained in:
Amjad Masad
2015-12-18 00:11:24 -08:00
parent 4c693085a6 4aaaeb9ccf
commit 135e1e56ca
3 changed files with 12 additions and 1 deletions
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11
packages/babel-generator/src/node/parentheses.js
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@@ -182,7 +182,12 @@ export function FunctionExpression(node: Object, parent: Object): boolean {
return true;
}
return ArrowFunctionExpression(node, parent);
// export default (function () {});
if (t.isExportDeclaration(parent)) {
return true;
}
return UnaryLike(node, parent);
}
export function ArrowFunctionExpression(node: Object, parent: Object): boolean {
@@ -191,6 +196,10 @@ export function ArrowFunctionExpression(node: Object, parent: Object): boolean {
return true;
}
if (t.isBinaryExpression(parent) || t.isLogicalExpression(parent)) {
return true;
}
return UnaryLike(node, parent);
}