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Allow empty 'export {};' statements - fixes T7439

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This commit is contained in:
Logan Smyth
2016-06-18 12:32:54 -07:00
parent 3ecf417509
commit 2ba27c73d7
3 changed files with 30 additions and 26 deletions
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50
packages/babel-plugin-transform-es2015-modules-commonjs/src/index.js
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@@ -308,37 +308,35 @@ export default function () {
}
let specifiers = path.get("specifiers");
if (specifiers.length) {
let nodes = [];
let source = path.node.source;
if (source) {
let ref = addRequire(source.value, path.node._blockHoist);
let nodes = [];
let source = path.node.source;
if (source) {
let ref = addRequire(source.value, path.node._blockHoist);
for (let specifier of specifiers) {
if (specifier.isExportNamespaceSpecifier()) {
// todo
} else if (specifier.isExportDefaultSpecifier()) {
// todo
} else if (specifier.isExportSpecifier()) {
if (specifier.node.local.name === "default") {
topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name), t.memberExpression(t.callExpression(this.addHelper("interopRequireDefault"), [ref]), specifier.node.local)));
} else {
topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name), t.memberExpression(ref, specifier.node.local)));
}
nonHoistedExportNames[specifier.node.exported.name] = true;
}
}
} else {
for (let specifier of specifiers) {
if (specifier.isExportSpecifier()) {
addTo(exports, specifier.node.local.name, specifier.node.exported);
nonHoistedExportNames[specifier.node.exported.name] = true;
nodes.push(buildExportsAssignment(specifier.node.exported, specifier.node.local));
for (let specifier of specifiers) {
if (specifier.isExportNamespaceSpecifier()) {
// todo
} else if (specifier.isExportDefaultSpecifier()) {
// todo
} else if (specifier.isExportSpecifier()) {
if (specifier.node.local.name === "default") {
topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name), t.memberExpression(t.callExpression(this.addHelper("interopRequireDefault"), [ref]), specifier.node.local)));
} else {
topNodes.push(buildExportsFrom(t.stringLiteral(specifier.node.exported.name), t.memberExpression(ref, specifier.node.local)));
}
nonHoistedExportNames[specifier.node.exported.name] = true;
}
}
} else {
for (let specifier of specifiers) {
if (specifier.isExportSpecifier()) {
addTo(exports, specifier.node.local.name, specifier.node.exported);
nonHoistedExportNames[specifier.node.exported.name] = true;
nodes.push(buildExportsAssignment(specifier.node.exported, specifier.node.local));
}
}
path.replaceWithMultiple(nodes);
}
path.replaceWithMultiple(nodes);
} else if (path.isExportAllDeclaration()) {
let exportNode = buildExportAll({
OBJECT: addRequire(path.node.source.value, path.node._blockHoist)

3
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-3/actual.js vendored Normal file
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@@ -0,0 +1,3 @@
export {};
export {} from 'foo';

3
packages/babel-plugin-transform-es2015-modules-commonjs/test/fixtures/strict/export-3/expected.js vendored Normal file
View File

@@ -0,0 +1,3 @@
'use strict';
var _foo = require('foo');