Refactor test packages to use ES modules instead of CJS (#5138)

packages/babel-code-frame/test/index.js

@@ -1,6 +1,6 @@
-const assert = require("assert");
+import assert from "assert";
-const chalk = require("chalk");
+import chalk from "chalk";
-const codeFrame = require("..");
+import codeFrame from "..";
 
 describe("babel-code-frame", function () {
   it("basic usage", function () {

packages/babel-core/test/api.js

@@ -1,9 +1,9 @@
-const babel                = require("../lib/api/node");
+import * as babel from "../lib/api/node";
-const buildExternalHelpers = require("../lib/tools/build-external-helpers");
+import buildExternalHelpers from "../lib/tools/build-external-helpers";
-const sourceMap            = require("source-map");
+import sourceMap from "source-map";
-const assert               = require("assert");
+import assert from "assert";
-const Plugin               = require("../lib/transformation/plugin");
+import Plugin from "../lib/transformation/plugin";
-const generator            = require("babel-generator").default;
+import generator from "babel-generator";
 
 function assertIgnored(result) {
   assert.ok(result.ignored);

packages/babel-core/test/browserify.js

@@ -1,7 +1,7 @@
-const browserify = require("browserify");
+import browserify from "browserify";
-const assert = require("assert");
+import assert from "assert";
-const path = require("path");
+import path from "path";
-const vm = require("vm");
+import vm from "vm";
 
 describe("browserify", function() {
   it("babel/register may be used without breaking browserify", function(done) {

packages/babel-core/test/config-chain.js

@@ -1,6 +1,6 @@
-const assert = require("assert");
+import assert from "assert";
-const path = require("path");
+import path from "path";
-const buildConfigChain = require("../lib/transformation/file/options/build-config-chain");
+import buildConfigChain from "../lib/transformation/file/options/build-config-chain";
 
 function fixture() {
   const args = [__dirname, "fixtures", "config"];

packages/babel-core/test/evaluation.js

@@ -1,6 +1,6 @@
-const traverse = require("babel-traverse").default;
+import traverse from "babel-traverse";
-const assert   = require("assert");
+import assert from "assert";
-const parse    = require("babylon").parse;
+import { parse } from "babylon";
 
 describe("evaluation", function () {
   function addTest(code, type, value, notConfident) {

packages/babel-core/test/get-possible-plugin-names.js

@@ -1,5 +1,5 @@
-const assert                 = require("assert");
+import assert from "assert";
-const getPossiblePluginNames = require("../lib/helpers/get-possible-plugin-names");
+import getPossiblePluginNames from "../lib/helpers/get-possible-plugin-names";
 
 describe("getPossiblePluginNames", function () {
   it("adds the babel-plugin prefix", function() {

packages/babel-core/test/get-possible-preset-names.js

@@ -1,5 +1,5 @@
-const assert                 = require("assert");
+import assert from "assert";
-const getPossiblePresetNames = require("../lib/helpers/get-possible-preset-names");
+import getPossiblePresetNames from "../lib/helpers/get-possible-preset-names";
 
 describe("getPossiblePresetNames", function () {
   it("adds the babel-preset prefix", function() {

packages/babel-core/test/path.js

@@ -1,6 +1,6 @@
-const transform = require("../lib/api/node").transform;
+import { transform } from "../lib/api/node";
-const Plugin    = require("../lib/transformation/plugin");
+import Plugin from "../lib/transformation/plugin";
-const chai      = require("chai");
+import chai from "chai";
 
 describe("traversal path", function () {
   it("replaceWithSourceString", function () {

packages/babel-core/test/plugins.js

@@ -1 +1,3 @@
-require("babel-helper-transform-fixture-test-runner")(__dirname + "/fixtures/plugins", "plugins");
+import runner from "babel-helper-transform-fixture-test-runner";
+
+runner(`${__dirname}/fixtures/plugins`, "plugins");

packages/babel-core/test/resolution.js

@@ -1,8 +1,8 @@
-const assert = require("assert");
+import assert from "assert";
-const async = require("async");
+import async from "async";
-const babel = require("../lib/api/node");
+import * as babel from "../lib/api/node";
-const fs = require("fs");
+import fs from "fs";
-const path = require("path");
+import path from "path";
 
 // Test that plugins & presets are resolved relative to `filename`.
 describe("addon resolution", function () {

packages/babel-core/test/transformation.js

@@ -1 +1,3 @@
-require("babel-helper-transform-fixture-test-runner")(__dirname + "/fixtures/transformation", "transformation");
+import runner from "babel-helper-transform-fixture-test-runner";
+
+runner(`${__dirname}/fixtures/transformation`, "transformation");

packages/babel-core/test/util.js

@@ -1,6 +1,6 @@
-const assert = require("assert");
+import assert from "assert";
-const util   = require("../lib/util");
+import * as util from "../lib/util";
-const t      = require("babel-types");
+import * as t from "babel-types";
 
 describe("util", function () {
   it("canCompile", function () {

packages/babel-generator/test/index.js

@@ -1,12 +1,13 @@
-const Whitespace = require("../lib/whitespace");
+import Whitespace from "../lib/whitespace";
-const Printer    = require("../lib/printer");
+import Printer from "../lib/printer";
-const generate   = require("../lib");
+import generate from "../lib";
-const assert     = require("assert");
+import assert from "assert";
-const parse      = require("babylon").parse;
+import { parse } from "babylon";
-const chai       = require("chai");
+import chai from "chai";
-const t          = require("babel-types");
+import * as t from "babel-types";
-const fs         = require("fs");
+import fs from "fs";
-const path       = require("path");
+import path from "path";
+import fixtures from "babel-helper-fixtures";
 
 describe("generation", function () {
   it("completeness", function () {
@@ -39,7 +40,7 @@ describe("generation", function () {
       }
     };
 
-    const generated = generate.default(combinedAst, { sourceMaps: true }, sources);
+    const generated = generate(combinedAst, { sourceMaps: true }, sources);
 
     chai.expect(generated.map).to.deep.equal({
       version: 3,
@@ -140,7 +141,7 @@ describe("generation", function () {
     id2.name += "2";
     id2.loc.identiferName = "bar";
 
-    const generated = generate.default(ast, {
+    const generated = generate(ast, {
       filename: "inline",
       sourceFileName: "inline",
       sourceMaps: true
@@ -191,7 +192,7 @@ describe("generation", function () {
     const code = "function hi (msg) { console.log(msg); }\n";
 
     const ast = parse(code, { filename: "a.js" }).program;
-    const generated = generate.default(ast, {
+    const generated = generate(ast, {
       sourceFileName: "a.js",
       sourceMaps: true,
     });
@@ -209,7 +210,7 @@ describe("programmatic generation", function() {
   it("numeric member expression", function() {
     // Should not generate `0.foo`
     const mem = t.memberExpression(t.numericLiteral(60702), t.identifier("foo"));
-    new Function(generate.default(mem).code);
+    new Function(generate(mem).code);
   });
 
   it("nested if statements needs block", function() {
@@ -225,7 +226,7 @@ describe("programmatic generation", function() {
       t.expressionStatement(t.stringLiteral("alt"))
     );
 
-    const ast = parse(generate.default(ifStatement).code);
+    const ast = parse(generate(ifStatement).code);
     assert.equal(ast.program.body[0].consequent.type, "BlockStatement");
   });
 
@@ -235,7 +236,7 @@ describe("programmatic generation", function() {
       [t.directive(t.directiveLiteral("use strict"))]
     );
 
-    const output = generate.default(blockStatement).code;
+    const output = generate(blockStatement).code;
     assert.equal(output, [
       "{",
       "  \"use strict\";",
@@ -255,7 +256,7 @@ describe("programmatic generation", function() {
       null
     );
 
-    const output = generate.default(objectStatement).code;
+    const output = generate(objectStatement).code;
     assert.equal(output, [
       "{",
       "  bar: string;",
@@ -275,7 +276,7 @@ describe("programmatic generation", function() {
       ]
     );
 
-    const output = generate.default(objectStatement).code;
+    const output = generate(objectStatement).code;
 
     assert.equal(output, [
       "{",
@@ -292,7 +293,7 @@ describe("whitespace", function () {
   });
 });
 
-const suites = require("babel-helper-fixtures").default(__dirname + "/fixtures");
+const suites = fixtures(`${__dirname}/fixtures`);
 
 suites.forEach(function (testSuite) {
   describe("generation/" + testSuite.title, function () {
@@ -309,7 +310,7 @@ suites.forEach(function (testSuite) {
             strictMode: false,
             sourceType: "module",
           });
-          const result = generate.default(actualAst, task.options, actualCode);
+          const result = generate(actualAst, task.options, actualCode);
 
           if (!expect.code && result.code && fs.statSync(path.dirname(expect.loc)).isDirectory() && !process.env.CI) {
             console.log(`New test file created: ${expect.loc}`);

packages/babel-plugin-check-es2015-constants/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-syntax-trailing-function-commas/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-async-generator-functions/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-async-to-generator/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-async-to-module-method/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-class-constructor-call/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-class-properties/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-decorators/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-do-expressions/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-arrow-functions/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-block-scoping/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-classes/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-computed-properties/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-destructuring/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-duplicate-keys/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-for-of/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-function-name/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-instanceof/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-modules-amd/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-modules-commonjs/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-modules-systemjs/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-modules-umd/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-object-super/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-parameters/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-shorthand-properties/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-spread/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-sticky-regex/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-template-literals/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-typeof-symbol/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es2015-unicode-regex/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es3-member-expression-literals/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es3-property-literals/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-es5-property-mutators/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-exponentiation-operator/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-export-extensions/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-flow-comments/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-flow-strip-types/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-function-bind/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-jscript/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-object-rest-spread/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-proto-to-assign/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-constant-elements/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-display-name/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-inline-elements/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-jsx-compat/src/index.js

@@ -1,10 +1,12 @@
+import helper from "babel-helper-builder-react-jsx";
+
 export default function ({ types: t }) {
   return {
     manipulateOptions(opts, parserOpts) {
       parserOpts.plugins.push("jsx");
     },
 
-    visitor: require("babel-helper-builder-react-jsx")({
+    visitor: helper({
       pre(state) {
         state.callee = state.tagExpr;
       },

packages/babel-plugin-transform-react-jsx-compat/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-jsx-self/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-jsx-source/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-react-jsx/src/index.js

@@ -1,9 +1,12 @@
 /* eslint max-len: 0 */
 
+import jsx from "babel-plugin-syntax-jsx";
+import helper from "babel-helper-builder-react-jsx";
+
 export default function ({ types: t }) {
   const JSX_ANNOTATION_REGEX = /\*?\s*@jsx\s+([^\s]+)/;
 
-  const visitor = require("babel-helper-builder-react-jsx")({
+  const visitor = helper({
     pre(state) {
       const tagName = state.tagName;
       const args    = state.args;
@@ -44,7 +47,7 @@ export default function ({ types: t }) {
   };
 
   return {
-    inherits: require("babel-plugin-syntax-jsx"),
+    inherits: jsx,
     visitor
   };
 }

packages/babel-plugin-transform-react-jsx/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-regenerator/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-runtime/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-transform-strict-mode/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-plugin-undeclared-variables-check/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-preset-es2015/test/esnext.js

@@ -1 +1,3 @@
-require("babel-helper-transform-fixture-test-runner")(__dirname + "/fixtures/esnext", "esnext");
+import runner from "babel-helper-transform-fixture-test-runner";
+
+runner(`${__dirname}/fixtures/esnext`, "esnext");

packages/babel-preset-es2015/test/index.js

@@ -1,5 +1,5 @@
-const es2015 = require("../lib");
+import es2015 from "../lib";
-const expect = require("chai").expect;
+import { expect } from "chai";
 
 describe("es2015 preset", function () {
   it("exposes an object", function () {

packages/babel-preset-es2015/test/preset-options.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-preset-es2015/test/traceur.js

@@ -1,6 +1,7 @@
-const includes = require("lodash/includes");
+import includes from "lodash/includes";
+import runner from "babel-helper-transform-fixture-test-runner";
 
-require("babel-helper-transform-fixture-test-runner")(__dirname + "/fixtures/traceur", "traceur", {
+runner(`${__dirname}/fixtures/traceur`, "traceur", {
   ignoreSuites: [
     // weird environmental issue make these hard to test
     "Modules",

packages/babel-preset-latest/test/index.js

@@ -1 +1,3 @@
-require("babel-helper-plugin-test-runner")(__dirname);
+import runner from "babel-helper-plugin-test-runner";
+
+runner(__dirname);

packages/babel-template/test/index.js

@@ -1,6 +1,6 @@
-const generator = require("../../babel-generator").default;
+import generator from "../../babel-generator";
-const template  = require("../lib");
+import template from "../lib";
-const chai      = require("chai");
+import chai from "chai";
 
 const comments = "// Sum two numbers\nconst add = (a, b) => a + b;";
 

packages/babel-types/test/cloning.js

@@ -1,6 +1,6 @@
-const t = require("../lib");
+import * as t from "../lib";
-const assert = require("assert");
+import assert from "assert";
-const parse = require("babylon").parse;
+import { parse } from "babylon";
 
 suite("cloning", function () {
   suite("clone", function () {

packages/babel-types/test/validators.js

@@ -1,6 +1,6 @@
-const t = require("../lib");
+import * as t from "../lib";
-const assert = require("assert");
+import assert from "assert";
-const parse = require("babylon").parse;
+import { parse } from "babylon";
 
 suite("validators", function () {
   suite("isNodesEquivalent", function () {