Track updates of globals that are exported as default

src/ast/variables/GlobalVariable.ts

@@ -3,6 +3,8 @@ import { ObjectPath } from '../utils/PathTracker';
 import Variable from './Variable';
 
 export default class GlobalVariable extends Variable {
+	isReassigned = true;
+
 	hasEffectsWhenAccessedAtPath(path: ObjectPath) {
 		return !isGlobalMember([this.name, ...path]);
 	}

test/chunking-form/samples/export-default-global/_expected/amd/main.js

@@ -1,7 +1,9 @@
 define(function () { 'use strict';
 
-	console.log(global);
+	var value = global;
 
-	return global;
+	console.log(value);
+
+	return value;
 
 });

test/chunking-form/samples/export-default-global/_expected/cjs/main.js

@@ -1,5 +1,7 @@
 'use strict';
 
-console.log(global);
+var value = global;
 
-module.exports = global;
+console.log(value);
+
+module.exports = value;

test/chunking-form/samples/export-default-global/_expected/es/main.js

@@ -1,3 +1,5 @@
-console.log(global);
+var value = global;
 
-export default global;
+console.log(value);
+
+export default value;

test/chunking-form/samples/export-default-global/_expected/system/main.js

@@ -3,7 +3,9 @@ System.register([], function (exports) {
 	return {
 		execute: function () {
 
-			console.log(global);
+			var value = exports('default', global);
+
+			console.log(value);
 
 		}
 	};

test/cli/samples/watch/bundle-error/_config.js

@@ -11,11 +11,11 @@ module.exports = {
 		fs.writeFileSync(mainFile, '<=>');
 	},
 	after() {
-		fs.unlinkSync(mainFile);
+		setTimeout(() => fs.unlinkSync(mainFile), 300);
 	},
 	abortOnStderr(data) {
 		if (data.includes('Error: Unexpected token')) {
-			setTimeout(() => fs.writeFileSync(mainFile, 'export default 42;'), 200);
+			setTimeout(() => fs.writeFileSync(mainFile, 'export default 42;'), 300);
 			return false;
 		}
 		if (data.includes('created _actual')) {

test/cli/samples/watch/watch-config-early-update/_config.js

@@ -36,7 +36,7 @@ module.exports = {
 		              format: "es"
 		            }
 		          });
-		        }, 500);
+		        }, 300);
 		      }
 		    });
 		  });
@@ -60,7 +60,7 @@ module.exports = {
 		        `
 					);
 					fs.writeFileSync(messageFile, 'loaded');
-				}, 500);
+				}, 300);
 			}
 		});
 	},
@@ -69,7 +69,7 @@ module.exports = {
 	},
 	abortOnStderr(data) {
 		if (reloadTriggered && data.includes('created _actual')) {
-			return true;
+			return new Promise(resolve => setTimeout(() => resolve(true), 300));
 		} else if (data.includes('Reloading updated config')) {
 			reloadTriggered = true;
 			return false;

test/function/samples/default-exported-global/_config.js

@@ -0,0 +1,11 @@
+const assert = require('assert');
+
+module.exports = {
+	description: 'Tracks updates of default exported globals',
+	context: {
+		myGlobal: 42
+	},
+	exports(exports) {
+		assert.deepStrictEqual(exports, { original: 42, updated: 1 });
+	}
+};

test/function/samples/default-exported-global/lib.js

@@ -0,0 +1,3 @@
+export default myGlobal;
+myGlobal = 1;
+export const updated = myGlobal;

test/function/samples/default-exported-global/main.js

@@ -0,0 +1 @@
+export { default as original, updated } from './lib';