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Added babel-helper-split-export-declaration (#7313)

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This commit is contained in:
Mateusz Burzyński
2018-02-13 16:44:05 +01:00
committed by GitHub
parent ea3f2d9299
commit 4d164bd8e6
18 changed files with 158 additions and 104 deletions
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1
packages/babel-plugin-transform-classes/package.json
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@@ -11,6 +11,7 @@
"@babel/helper-function-name": "7.0.0-beta.40",
"@babel/helper-optimise-call-expression": "7.0.0-beta.40",
"@babel/helper-replace-supers": "7.0.0-beta.40",
"@babel/helper-split-export-declaration": "7.0.0-beta.40",
"globals": "^11.1.0"
},
"keywords": [

15
packages/babel-plugin-transform-classes/src/index.js
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@@ -2,6 +2,7 @@ import LooseTransformer from "./loose";
import VanillaTransformer from "./vanilla";
import annotateAsPure from "@babel/helper-annotate-as-pure";
import nameFunction from "@babel/helper-function-name";
import splitExportDeclaration from "@babel/helper-split-export-declaration";
import { types as t } from "@babel/core";
import globals from "globals";
@@ -24,19 +25,7 @@ export default function(api, options) {
visitor: {
ExportDefaultDeclaration(path) {
if (!path.get("declaration").isClassDeclaration()) return;
const { node } = path;
const ref =
node.declaration.id || path.scope.generateUidIdentifier("class");
node.declaration.id = ref;
// Split the class declaration and the export into two separate statements.
path.replaceWith(node.declaration);
path.insertAfter(
t.exportNamedDeclaration(null, [
t.exportSpecifier(t.cloneNode(ref), t.identifier("default")),
]),
);
splitExportDeclaration(path);
},
ClassDeclaration(path) {

6
packages/babel-plugin-transform-classes/test/fixtures/regression/2941/output.js vendored
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@@ -5,8 +5,8 @@ Object.defineProperty(exports, "__esModule", {
});
exports.default = void 0;
var _class = function _class() {
babelHelpers.classCallCheck(this, _class);
var _default = function _default() {
babelHelpers.classCallCheck(this, _default);
};
exports.default = _class;
exports.default = _default;

14
packages/babel-plugin-transform-classes/test/fixtures/spec/export-super-class/output.js vendored
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@@ -1,14 +1,14 @@
var _class =
var _default =
/*#__PURE__*/
function (_A) {
babelHelpers.inherits(_class, _A);
babelHelpers.inherits(_default, _A);
function _class() {
babelHelpers.classCallCheck(this, _class);
return babelHelpers.possibleConstructorReturn(this, (_class.__proto__ || Object.getPrototypeOf(_class)).apply(this, arguments));
function _default() {
babelHelpers.classCallCheck(this, _default);
return babelHelpers.possibleConstructorReturn(this, (_default.__proto__ || Object.getPrototypeOf(_default)).apply(this, arguments));
}
return _class;
return _default;
}(A);
export { _class as default };
export { _default as default };