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fix error when constructor default arg refers to own static property or self (#4666)

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(closes #4253)
(closes #4442)
This commit is contained in:
Dan Harper
2016-10-05 22:52:42 +01:00
committed by Henry Zhu
parent 6cfd3d91b2
commit 33eb56ab09
7 changed files with 63 additions and 3 deletions
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12
packages/babel-plugin-transform-es2015-parameters/src/default.js
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@@ -24,10 +24,16 @@ function hasDefaults(node) {
return false;
}
function isSafeBinding(scope, node) {
if (!scope.hasOwnBinding(node.name)) return true;
const { kind } = scope.getOwnBinding(node.name);
return kind === "param" || kind === "local";
}
let iifeVisitor = {
ReferencedIdentifier(path, state) {
let name = path.node.name;
if (name === "eval" || (path.scope.hasOwnBinding(name) && path.scope.getOwnBinding(name).kind !== "param")) {
const { scope, node } = path;
if (node.name === "eval" || !isSafeBinding(scope, node)) {
state.iife = true;
path.stop();
}
@@ -100,7 +106,7 @@ export let visitor = {
//
if (!state.iife) {
if (right.isIdentifier() && scope.hasOwnBinding(right.node.name) && scope.getOwnBinding(right.node.name).kind !== "param") {
if (right.isIdentifier() && !isSafeBinding(scope, right.node)) {
// the right hand side references a parameter
state.iife = true;
} else {