diff --git a/packages/babel-plugin-transform-es2015-classes/src/vanilla.js b/packages/babel-plugin-transform-es2015-classes/src/vanilla.js index 3315509c4e..ce480f5516 100644 --- a/packages/babel-plugin-transform-es2015-classes/src/vanilla.js +++ b/packages/babel-plugin-transform-es2015-classes/src/vanilla.js @@ -28,7 +28,11 @@ const verifyConstructorVisitor = visitors.merge([noMethodVisitor, { this.isDerived && !this.hasBareSuper && !path.parentPath.isCallExpression({ callee: path.node }) ) { - throw path.buildCodeFrameError("'super.*' is not allowed before super()"); + const hasArrowFunctionParent = path.findParent((p) => p.isArrowFunctionExpression()); + + if (!hasArrowFunctionParent) { + throw path.buildCodeFrameError("'super.*' is not allowed before super()"); + } } }, diff --git a/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda-2/actual.js b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda-2/actual.js new file mode 100644 index 0000000000..1d570b180f --- /dev/null +++ b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda-2/actual.js @@ -0,0 +1,7 @@ +class Foo extends Bar { + constructor() { + const t = () => super.test() + super.foo(); + super(); + } +} diff --git a/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda-2/options.json b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda-2/options.json new file mode 100644 index 0000000000..fbca946296 --- /dev/null +++ b/packages/babel-plugin-transform-es2015-classes/test/fixtures/spec/super-reference-before-in-lambda-2/options.json @@ -0,0 +1,3 @@ +{ + "throws": "'super.*' is not allowed before super()" +} 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);