Implement importInterop: "node" option for module transforms (#12838)

2021-04-28 18:22:47 +02:00
parent 22b0eb038f
commit be03be1bc3
101 changed files with 834 additions and 32 deletions
--- a/packages/babel-plugin-transform-modules-umd/test/importInterop-function.js
+++ b/packages/babel-plugin-transform-modules-umd/test/importInterop-function.js
@@ -0,0 +1,55 @@
+import * as babel from "@babel/core";
+import transformUmd from "../lib";
+import externalHelpers from "@babel/plugin-external-helpers";
+
+it("'importInterop' accepts a function", function () {
+  const code = `
+    import a from "a";
+    import b from "b";
+    import c from "c";
+
+    a();
+    b();
+    c();
+  `;
+
+  const importInterop = source => {
+    if (source === "a") return "babel";
+    else if (source === "b") return "node";
+    else if (source === "c") return "none";
+  };
+
+  const output = babel.transformSync(code, {
+    configFile: false,
+    ast: false,
+    plugins: [
+      [externalHelpers, { helperVersion: "7.100.0" }],
+      [transformUmd, { importInterop }],
+    ],
+  }).code;
+
+  expect(output).toMatchInlineSnapshot(`
+    "(function (global, factory) {
+      if (typeof define === \\"function\\" && define.amd) {
+        define([\\"a\\", \\"b\\", \\"c\\"], factory);
+      } else if (typeof exports !== \\"undefined\\") {
+        factory(require(\\"a\\"), require(\\"b\\"), require(\\"c\\"));
+      } else {
+        var mod = {
+          exports: {}
+        };
+        factory(global.a, global.b, global.c);
+        global.unknown = mod.exports;
+      }
+    })(typeof globalThis !== \\"undefined\\" ? globalThis : typeof self !== \\"undefined\\" ? self : this, function (_a, _b, _c) {
+      \\"use strict\\";
+
+      _a = babelHelpers.interopRequireDefault(_a);
+      (0, _a.default)();
+
+      _b();
+
+      (0, _c.default)();
+    });"
+  `);
+});