diff --git a/packages/babel-plugin-transform-es2015-classes/src/vanilla.js b/packages/babel-plugin-transform-es2015-classes/src/vanilla.js index 3315509c4e..e877902385 100644 --- a/packages/babel-plugin-transform-es2015-classes/src/vanilla.js +++ b/packages/babel-plugin-transform-es2015-classes/src/vanilla.js @@ -23,15 +23,20 @@ const noMethodVisitor = { }; const verifyConstructorVisitor = visitors.merge([noMethodVisitor, { - Super(path) { + Super(path, state) { if ( this.isDerived && !this.hasBareSuper && - !path.parentPath.isCallExpression({ callee: path.node }) + !path.parentPath.isCallExpression({ callee: path.node }) && + !state.inArrowFunctionExpression ) { throw path.buildCodeFrameError("'super.*' is not allowed before super()"); } }, + ArrowFunctionExpression(path, state) { + state.inArrowFunctionExpression = true; + }, + CallExpression: { exit(path) { if (path.get("callee").isSuper()) { diff --git a/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda/actual.js b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda/actual.js new file mode 100644 index 0000000000..59fd18c227 --- /dev/null +++ b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda/actual.js @@ -0,0 +1,6 @@ +class Foo extends Bar { + constructor() { + const t = () => super.test() + super(); + } +} diff --git a/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda/expected.js b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda/expected.js new file mode 100644 index 0000000000..fb5754c8ec --- /dev/null +++ b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda/expected.js @@ -0,0 +1,14 @@ +var Foo = function (_Bar) { + babelHelpers.inherits(Foo, _Bar); + + function Foo() { + var _this; + + babelHelpers.classCallCheck(this, Foo); + + var t = () => babelHelpers.get(Foo.prototype.__proto__ || Object.getPrototypeOf(Foo.prototype), "test", _this).call(_this); + return _this = babelHelpers.possibleConstructorReturn(this, (Foo.__proto__ || Object.getPrototypeOf(Foo)).call(this)); + } + + return Foo; +}(Bar);