From c3e855662418a1d02ad39d4f7d70a1cc8a63f72c Mon Sep 17 00:00:00 2001
From: Ben Newman <ben@benjamn.com>
Date: Thu, 3 Dec 2020 17:52:02 -0500
Subject: [PATCH 1/2] Better polyfill for globalThis.

Horrifying, sure, but much better than using Function:
https://mathiasbynens.be/notes/globalthis

Fixes #23.
---
 packages/ts-invariant/package-lock.json | 10 ++++++++++
 packages/ts-invariant/package.json      |  2 ++
 packages/ts-invariant/rollup.config.js  |  1 +
 packages/ts-invariant/src/invariant.ts  | 21 ++++++++-------------
 4 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/packages/ts-invariant/package-lock.json b/packages/ts-invariant/package-lock.json
index 7da1634..f4335eb 100644
--- a/packages/ts-invariant/package-lock.json
+++ b/packages/ts-invariant/package-lock.json
@@ -27,6 +27,16 @@
       "integrity": "sha512-lYUtmJ9BqUN688fGY1U1HZoWT1/Jrmgigx2loq4ZcJpICECm/Om3V314BxdzypO0u5PORKGMM6x0OXaljV1YFg==",
       "dev": true
     },
+    "@types/ungap__global-this": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/@types/ungap__global-this/-/ungap__global-this-0.3.1.tgz",
+      "integrity": "sha512-+/DsiV4CxXl6ZWefwHZDXSe1Slitz21tom38qPCaG0DYCS1NnDPIQDTKcmQ/tvK/edJUKkmuIDBJbmKDiB0r/g=="
+    },
+    "@ungap/global-this": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/@ungap/global-this/-/global-this-0.4.1.tgz",
+      "integrity": "sha512-29JHci18v6MeCxaRDwaHb6Efm29nhd/ooeueH5rpg9jveUzFwesi7d0skGqLbcmnWY2CcEaJm6r/9+sUNzOekQ=="
+    },
     "@ungap/promise-all-settled": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@ungap/promise-all-settled/-/promise-all-settled-1.1.2.tgz",
diff --git a/packages/ts-invariant/package.json b/packages/ts-invariant/package.json
index 4d768c1..a040826 100644
--- a/packages/ts-invariant/package.json
+++ b/packages/ts-invariant/package.json
@@ -28,6 +28,8 @@
     "test": "npm run build && npm run mocha"
   },
   "dependencies": {
+    "@types/ungap__global-this": "^0.3.1",
+    "@ungap/global-this": "^0.4.1",
     "tslib": "^1.9.3"
   },
   "devDependencies": {
diff --git a/packages/ts-invariant/rollup.config.js b/packages/ts-invariant/rollup.config.js
index 97f09f4..615a256 100644
--- a/packages/ts-invariant/rollup.config.js
+++ b/packages/ts-invariant/rollup.config.js
@@ -4,6 +4,7 @@ import typescript from 'typescript';
 const globals = {
   __proto__: null,
   tslib: "tslib",
+  "@ungap/global-this": "globalThisPolyfill",
 };
 
 function external(id) {
diff --git a/packages/ts-invariant/src/invariant.ts b/packages/ts-invariant/src/invariant.ts
index 14eedc7..4d3a1cb 100644
--- a/packages/ts-invariant/src/invariant.ts
+++ b/packages/ts-invariant/src/invariant.ts
@@ -58,20 +58,15 @@ export function setVerbosity(level: VerbosityLevel): VerbosityLevel {
 // However, because most ESM-to-CJS compilers will rewrite the process import
 // as tsInvariant.process, which prevents proper replacement by minifiers, we
 // also attempt to define the stub globally when it is not already defined.
-let processStub = { env: {} } as typeof process;
+import globalThis from "@ungap/global-this";
+const processStub = globalThis.process || { env: {} };
 export { processStub as process };
-if (typeof process === "object") {
-  processStub = process;
-} else try {
-  // Using Function to evaluate this assignment in global scope also escapes
-  // the strict mode of the current module, thereby allowing the assignment.
-  // Inspired by https://github.com/facebook/regenerator/pull/369.
-  Function("stub", "process = stub")(processStub);
-} catch (atLeastWeTried) {
-  // The assignment can fail if a Content Security Policy heavy-handedly
-  // forbids Function usage. In those environments, developers should take
-  // extra care to replace process.env.NODE_ENV in their production builds,
-  // or define an appropriate global.process polyfill.
+if (!globalThis.process) try {
+  Object.defineProperty(globalThis, "process", {
+    value: processStub,
+  });
+} catch {
+  // If this fails, it isn't the end of the world.
 }
 
 export default invariant;

From f1093311d73590c7acfd54c4cc65751ff7fa37c9 Mon Sep 17 00:00:00 2001
From: Ben Newman <ben@benjamn.com>
Date: Fri, 4 Dec 2020 10:54:14 -0500
Subject: [PATCH 2/2] Update to @ungap/global-this@0.4.2.

---
 packages/ts-invariant/package-lock.json | 6 +++---
 packages/ts-invariant/package.json      | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/ts-invariant/package-lock.json b/packages/ts-invariant/package-lock.json
index f4335eb..c3d9eb7 100644
--- a/packages/ts-invariant/package-lock.json
+++ b/packages/ts-invariant/package-lock.json
@@ -33,9 +33,9 @@
       "integrity": "sha512-+/DsiV4CxXl6ZWefwHZDXSe1Slitz21tom38qPCaG0DYCS1NnDPIQDTKcmQ/tvK/edJUKkmuIDBJbmKDiB0r/g=="
     },
     "@ungap/global-this": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/@ungap/global-this/-/global-this-0.4.1.tgz",
-      "integrity": "sha512-29JHci18v6MeCxaRDwaHb6Efm29nhd/ooeueH5rpg9jveUzFwesi7d0skGqLbcmnWY2CcEaJm6r/9+sUNzOekQ=="
+      "version": "0.4.2",
+      "resolved": "https://registry.npmjs.org/@ungap/global-this/-/global-this-0.4.2.tgz",
+      "integrity": "sha512-uFg7Kz+E12RBlgBLMlWVjmn2OIeE2J1Lzij0RseNcCVsrJX+LEB4fQ9MnoPXkXJmO5cHtTEzI5ATtb3IJfQ9tQ=="
     },
     "@ungap/promise-all-settled": {
       "version": "1.1.2",
diff --git a/packages/ts-invariant/package.json b/packages/ts-invariant/package.json
index a040826..8cbf0e1 100644
--- a/packages/ts-invariant/package.json
+++ b/packages/ts-invariant/package.json
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "@types/ungap__global-this": "^0.3.1",
-    "@ungap/global-this": "^0.4.1",
+    "@ungap/global-this": "^0.4.2",
     "tslib": "^1.9.3"
   },
   "devDependencies": {