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Fixes setter paratemer default value (#8479)

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* Fixes setter paratemer default value

* Not changes doesn't mutate loose variable
This commit is contained in:
Nikolay Emrikh
2018-08-16 08:54:50 +03:00
committed by Justin Ridgewell
parent 3989213e37
commit 5043ec78bc
4 changed files with 27 additions and 3 deletions
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6
packages/babel-plugin-transform-parameters/src/params.js
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@@ -60,7 +60,8 @@ export default function convertFunctionParams(path, loose) {
for (let i = 0; i < params.length; i++) {
const param = params[i];
if (param.isAssignmentPattern() && loose) {
const paramIsAssignmentPattern = param.isAssignmentPattern();
if (paramIsAssignmentPattern && (loose || node.kind === "set")) {
const left = param.get("left");
const right = param.get("right");
@@ -87,13 +88,12 @@ export default function convertFunctionParams(path, loose) {
);
param.replaceWith(paramName);
}
} else if (param.isAssignmentPattern()) {
} else if (paramIsAssignmentPattern) {
if (firstOptionalIndex === null) firstOptionalIndex = i;
const left = param.get("left");
const right = param.get("right");
//
if (!state.iife) {
if (right.isIdentifier() && !isSafeBinding(scope, right.node)) {
// the right hand side references a parameter