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Fix 5768 (to 7.0 branch) (#5891)

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This commit is contained in:
Josh Johnston
2017-06-28 10:04:23 +10:00
committed by Henry Zhu
parent ed0de70656
commit bc29145465
3 changed files with 89 additions and 12 deletions
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60
packages/babel-plugin-transform-es2015-modules-commonjs/src/index.js
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@@ -83,23 +83,59 @@ export default function() {
if (node[REASSIGN_REMAP_SKIP]) return;
const left = path.get("left");
if (!left.isIdentifier()) return;
if (left.isIdentifier()) {
const name = left.node.name;
const exports = this.exports[name];
if (!exports) return;
const name = left.node.name;
const exports = this.exports[name];
if (!exports) return;
// redeclared in this scope
if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
// redeclared in this scope
if (this.scope.getBinding(name) !== path.scope.getBinding(name)) return;
node[REASSIGN_REMAP_SKIP] = true;
node[REASSIGN_REMAP_SKIP] = true;
for (const reid of exports) {
node = buildExportsAssignment(reid, node).expression;
}
for (const reid of exports) {
node = buildExportsAssignment(reid, node).expression;
path.replaceWith(node);
this.requeueInParent(path);
} else if (left.isObjectPattern()) {
for (const property of left.node.properties) {
const name = property.value.name;
const exports = this.exports[name];
if (!exports) continue;
// redeclared in this scope
if (this.scope.getBinding(name) !== path.scope.getBinding(name)) {
return;
}
node[REASSIGN_REMAP_SKIP] = true;
path.insertAfter(
buildExportsAssignment(t.identifier(name), t.identifier(name)),
);
}
} else if (left.isArrayPattern()) {
for (const element of left.node.elements) {
const name = element.name;
const exports = this.exports[name];
if (!exports) continue;
// redeclared in this scope
if (this.scope.getBinding(name) !== path.scope.getBinding(name)) {
return;
}
node[REASSIGN_REMAP_SKIP] = true;
path.insertAfter(
buildExportsAssignment(t.identifier(name), t.identifier(name)),
);
}
}
path.replaceWith(node);
this.requeueInParent(path);
},
UpdateExpression(path) {