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add special slot '__esModule' #690

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add special slot '__esModule' #690

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15 changes: 15 additions & 0 deletions src/lib/__tests__/moduleMocker-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,21 @@ describe('moduleMocker', function() {
expect(fooMock.nonEnumGetter).toBeUndefined();
});

it('does not mock __esModule special property (babel6)', function () {
var ClassFoo = function() {};

var fooModule = {
__esModule: true,
default: ClassFoo
};

var fooModuleMock = moduleMocker.generateFromMetadata(
moduleMocker.getMetadata(fooModule)
);

expect(fooModuleMock.__esModule).toEqual(fooModule.__esModule);
});

it('mocks ES2015 non-enumerable methods', function() {
class ClassFoo {
foo() {}
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13 changes: 13 additions & 0 deletions src/lib/moduleMocker.js
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Original file line number Diff line number Diff line change
Expand Up @@ -287,6 +287,12 @@ function generateMock(metadata, callbacks, refs) {

getSlots(metadata.members).forEach(slot => {
const slotMetadata = metadata.members[slot];
// special slot used by babel 6
if (slot === '__esModule') {
mock[slot] = slotMetadata;
return;
}

if (slotMetadata.ref != null) {
callbacks.push(() => mock[slot] = refs[slotMetadata.ref]);
} else {
Expand Down Expand Up @@ -349,6 +355,13 @@ function getMetadata(component, _refs) {
if (type !== 'array') {
if (type !== 'undefined') {
getSlots(component).forEach(slot => {
// special slot used by babel 6
if (slot === '__esModule') {
members = members || {};
members[slot] = component[slot];
return;
}

if (
slot.charAt(0) === '_' ||
(
Expand Down