test: globalThis (#20028)

alexander-akait · web-flow · commit 9dfdf760ad1d · 2025-10-21T14:21:13.000+03:00
diff --git a/test/configCases/module/public-path-global-runtime/file.text b/test/configCases/module/public-path-global-runtime/file.text
@@ -0,0 +1 @@
+text
diff --git a/test/configCases/module/public-path-global-runtime/index.js b/test/configCases/module/public-path-global-runtime/index.js
@@ -0,0 +1,7 @@
+it("should use/not use globalThis",  () => {
+	expect(new URL("./file.text", import.meta.url)).toBeDefined();
+
+	const stats = __STATS__.children[__STATS_I__];
+
+	expect(stats.modules.length).toBe(__STATS_I__ === 0 ? 6 : 5);
+});
diff --git a/test/configCases/module/public-path-global-runtime/test.filter.js b/test/configCases/module/public-path-global-runtime/test.filter.js
@@ -0,0 +1,5 @@
+"use strict";
+
+const supportsGlobalThis = require("../../../helpers/supportsGlobalThis");
+
+module.exports = () => supportsGlobalThis();
diff --git a/test/configCases/module/public-path-global-runtime/webpack.config.js b/test/configCases/module/public-path-global-runtime/webpack.config.js
@@ -0,0 +1,23 @@
+"use strict";
+
+/** @type {import("../../../../").Configuration[]} */
+module.exports = [
+	{
+		target: "web",
+		output: {
+			environment: { globalThis: false }
+		},
+		stats: {
+			runtimeModules: true
+		}
+	},
+	{
+		target: "web",
+		output: {
+			environment: { globalThis: true }
+		},
+		stats: {
+			runtimeModules: true
+		}
+	}
+];
diff --git a/test/configCases/node/web-global/index.js b/test/configCases/node/web-global/index.js
@@ -0,0 +1,7 @@
+it("should use/not use globalThis",  () => {
+	expect(global).toBeDefined();
+
+	const stats = __STATS__.children[__STATS_I__];
+
+	expect(stats.modules.length).toBe(__STATS_I__ === 0 ? 2 : 1);
+});
diff --git a/test/configCases/node/web-global/test.filter.js b/test/configCases/node/web-global/test.filter.js
@@ -0,0 +1,5 @@
+"use strict";
+
+const supportsGlobalThis = require("../../../helpers/supportsGlobalThis");
+
+module.exports = () => supportsGlobalThis();
diff --git a/test/configCases/node/web-global/webpack.config.js b/test/configCases/node/web-global/webpack.config.js
@@ -0,0 +1,23 @@
+"use strict";
+
+/** @type {import("../../../../").Configuration[]} */
+module.exports = [
+	{
+		target: "web",
+		output: {
+			environment: { globalThis: false }
+		},
+		stats: {
+			runtimeModules: true
+		}
+	},
+	{
+		target: "web",
+		output: {
+			environment: { globalThis: true }
+		},
+		stats: {
+			runtimeModules: true
+		}
+	}
+];
diff --git a/test/helpers/supportsGlobalThis.js b/test/helpers/supportsGlobalThis.js
@@ -0,0 +1,12 @@
+"use strict";
+
+module.exports = function supportsGlobalThis() {
+	try {
+		eval("globalThis");
+		return true;
+	} catch (_err) {
+		// Ignore
+	}
+
+	return false;
+};
