Files
babel/packages/babel-plugin-transform-object-super/src/index.js

54 lines
1.4 KiB
JavaScript

import { declare } from "@babel/helper-plugin-utils";
import ReplaceSupers from "@babel/helper-replace-supers";
import { types as t } from "@babel/core";
function replacePropertySuper(path, node, scope, getObjectRef, file) {
const replaceSupers = new ReplaceSupers({
getObjectRef: getObjectRef,
methodNode: node,
methodPath: path,
isStatic: true,
scope: scope,
file: file,
});
replaceSupers.replace();
}
export default declare(api => {
api.assertVersion(7);
return {
visitor: {
ObjectExpression(path, state) {
let objectRef;
const getObjectRef = () =>
(objectRef = objectRef || path.scope.generateUidIdentifier("obj"));
path.get("properties").forEach(propertyPath => {
if (!propertyPath.isMethod()) return;
const propPaths: Array = path.get("properties");
for (let propPath of propPaths) {
if (propPath.isObjectProperty()) propPath = propPath.get("value");
replacePropertySuper(
propPath,
propPath.node,
path.scope,
getObjectRef,
state,
);
}
});
if (objectRef) {
path.scope.push({ id: t.cloneNode(objectRef) });
path.replaceWith(
t.assignmentExpression("=", t.cloneNode(objectRef), path.node),
);
}
},
},
};
});