packages/rollup-plugin-invariant/package.json

@@ -1,6 +1,6 @@
 {
   "name": "rollup-plugin-invariant",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "author": "Ben Newman <ben@apollographql.com>",
   "description": "Rollup plugin to strip invariant(condition, message) strings in production",
   "license": "MIT",

packages/ts-invariant/package.json

@@ -1,6 +1,6 @@
 {
   "name": "ts-invariant",
-  "version": "0.7.4",
+  "version": "0.7.5",
   "author": "Ben Newman <ben@apollographql.com>",
   "description": "TypeScript implementation of invariant(condition, message)",
   "license": "MIT",

packages/ts-invariant/rollup.config.js

@@ -11,10 +11,7 @@ function external(id) {
   return id in globals;
 }
 
-const jobs = [];
-export default jobs;
-
-jobs.push({
+export default [{
   input: "src/invariant.ts",
   external,
   output: {
@@ -29,9 +26,7 @@ jobs.push({
       tsconfig: "./tsconfig.rollup.json",
     }),
   ],
-});
-
-jobs.push({
+}, {
   input: "lib/invariant.esm.js",
   external,
   output: {
@@ -43,17 +38,4 @@ jobs.push({
     name: "ts-invariant",
     globals,
   },
-});
-
-jobs.push({
-  input: "process/module.js",
-  external,
-  output: {
-    file: "process/main.js",
-    format: "cjs",
-    exports: "named",
-    sourcemap: true,
-    name: "ts-invariant/process",
-    globals,
-  },
-});
+}];

packages/ts-invariant/src/invariant.ts

@@ -53,4 +53,20 @@ export function setVerbosity(level: VerbosityLevel): VerbosityLevel {
   return old;
 }
 
+// Code that uses ts-invariant with rollup-plugin-invariant may want to
+// import this process stub to avoid errors evaluating process.env.NODE_ENV.
+// However, because most ESM-to-CJS compilers will rewrite the process import
+// as tsInvariant.process, which prevents proper replacement by minifiers, we
+// also export processStub, so you can import { invariant, processStub } from
+// "ts-invariant" and assign processStub to a local variable named process.
+export const processStub: {
+  env: Record<string, any>;
+  [key: string]: any;
+} = (
+  typeof process === "object" &&
+  typeof process.env === "object"
+) ? process : { env: {} };
+
+export { processStub as process };
+
 export default invariant;

packages/ts-invariant/src/tests.ts

@@ -3,11 +3,11 @@ import defaultExport, {
   invariant,
   InvariantError,
   setVerbosity,
+  process,
+  processStub,
 } from "./invariant";
 import reactInvariant from "invariant";
 
-import { install, remove } from "../process";
-
 describe("ts-invariant", function () {
   it("should support both named and default exports", function () {
     assert.strictEqual(defaultExport, invariant);
@@ -145,33 +145,28 @@ describe("ts-invariant", function () {
     checkConsoleMethod("error", true);
   });
 
+  it("should export a usable process polyfill", function () {
+    assert.strictEqual(typeof process, "object");
+    assert.strictEqual(typeof process.env, "object");
+    if (process.versions) {
+      assert.strictEqual(typeof process.versions.node, "string");
+    }
+  });
+
+  it("should export a usable processStub", function () {
+    const process = processStub;
+    assert.strictEqual(typeof process, "object");
+    assert.strictEqual(typeof process.env, "object");
+    if (process.versions) {
+      assert.strictEqual(typeof process.versions.node, "string");
+    }
+  });
+
   it("should let TypeScript know about the assertion made", function () {
     const value: { foo?: { bar?: string } } = {foo: {bar: "bar"}};
     invariant(value.foo, 'fail');
 
      // On compile time this should not raise "TS2532: Object is possibly 'undefined'."
     assert.strictEqual(value.foo.bar, "bar");
   });
-
-  describe("ts-invariant/process", function () {
-    it("install and remove", function () {
-      const origDesc = Object.getOwnPropertyDescriptor(global, "process");
-      Object.defineProperty(global, "process", {
-        value: void 0,
-        configurable: true,
-      });
-      assert.strictEqual(process, void 0);
-      install();
-      assert.deepStrictEqual(process, {
-        env: {
-          NODE_ENV: "production",
-        },
-      });
-      remove();
-      assert.strictEqual(typeof process, "undefined");
-      if (origDesc) {
-        Object.defineProperty(global, "process", origDesc);
-      }
-    });
-  });
 });

tsconfig.json

@@ -5,7 +5,7 @@
     "importHelpers": true,
     "declaration": true,
     "sourceMap": true,
-    "lib": ["es2015", "DOM"],
+    "lib": ["es2015"],
     "types": ["node", "mocha"],
     "strict": true,
     "noImplicitAny": true,