support import.meta.env

webpack · May 18, 2022 · 5148728 · 5148728
1 parent 2738eeb
commit 5148728
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Showing 3 changed files with 19 additions and 2 deletions.
diff --git a/lib/EnvironmentPlugin.js b/lib/EnvironmentPlugin.js
@@ -52,8 +52,9 @@ class EnvironmentPlugin {
 				});
 			}
 
-			definitions[`process.env.${key}`] =
-				value === undefined ? "undefined" : JSON.stringify(value);
+			definitions[`process.env.${key}`] = definitions[
+				`import.meta.env.${key}`
+			] = value === undefined ? "undefined" : JSON.stringify(value);
 		}
 
 		new DefinePlugin(definitions).apply(compiler);

diff --git a/test/configCases/plugins/environment-plugin/support-import-meta-env.js b/test/configCases/plugins/environment-plugin/support-import-meta-env.js
@@ -0,0 +1,4 @@
+it("should support import.meta.env", () => {
+	expect(process.env.MY_ENV).toBe("env1");
+	expect(import.meta.env.MY_ENV).toBe("env1");
+});
diff --git a/test/configCases/plugins/environment-plugin/webpack.config.js b/test/configCases/plugins/environment-plugin/webpack.config.js
@@ -9,6 +9,7 @@ process.env.EEE = "eee";
 process.env.FFF = "fff";
 process.env.GGG = "ggg";
 process.env.III = "";
+process.env.MY_ENV = "env1";
 
 /** @type {import("../../../../").Configuration[]} */
 module.exports = [
@@ -64,5 +65,16 @@ module.exports = [
 			unknownContextCritical: false
 		},
 		plugins: [new EnvironmentPlugin("III")]
+	},
+	{
+		name: "import-meta-env",
+		entry: "./support-import-meta-env",
+		plugins: [
+			new EnvironmentPlugin("MY_ENV"),
+			compiler =>
+				compiler.hooks.done.tap("my-plugin", () => {
+					process.env.MY_ENV = undefined;
+				})
+		]
 	}
 ];