2017-06-27 12:15:00 -05:00

39 lines
837 B
JavaScript

import traverse from "../lib";
import assert from "assert";
import { parse } from "babylon";
import generate from "babel-generator";
function getPath(code) {
const ast = parse(code);
let path;
traverse(ast, {
Program: function(_path) {
path = _path;
_path.stop();
},
});
return path;
}
function generateCode(path) {
return generate(path.node).code;
}
describe("removal", function() {
describe("ArrowFunction", function() {
it("remove body", function() {
const rootPath = getPath("x = () => b;");
const path = rootPath.get("body")[0].get("expression").get("right");
const body = path.get("body");
body.remove();
assert.equal(
generateCode(rootPath),
"x = () => {};",
"body should be replaced with BlockStatement",
);
});
});
});