73 lines
1.4 KiB
JavaScript
73 lines
1.4 KiB
JavaScript
import chai from "chai";
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const DATA_ES2015 = require.resolve("./__data__/es2015");
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describe("@babel/register", function() {
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let babelRegister;
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let oldCompiler;
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function setupRegister(config = {}) {
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babelRegister = require("../lib/node");
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babelRegister.default(
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Object.assign(
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{
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plugins: [
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{
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visitor: {
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ImportDeclaration(path) {
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path.remove();
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},
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},
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},
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],
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babelrc: false,
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},
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config,
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),
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);
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}
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function revertRegister() {
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if (babelRegister) {
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babelRegister.revert();
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babelRegister = null;
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}
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}
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before(() => {
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const js = require("default-require-extensions/js");
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oldCompiler = require.extensions[".js"];
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require.extensions[".js"] = js;
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});
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after(() => {
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require.extensions[".js"] = oldCompiler;
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});
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afterEach(() => {
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revertRegister();
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delete require.cache[DATA_ES2015];
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});
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it("registers correctly", () => {
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setupRegister();
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chai.expect(require(DATA_ES2015)).to.be.ok;
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});
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it("reverts correctly", () => {
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setupRegister();
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chai.expect(require(DATA_ES2015)).to.be.ok;
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delete require.cache[DATA_ES2015];
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revertRegister();
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chai
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.expect(() => {
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require(DATA_ES2015);
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})
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.to.throw(SyntaxError);
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});
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});
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