fix(bundle): global name conflicts are more accurately handled

__fixtures__/bundle/global-name-conflict/get-real-date.ts

@@ -0,0 +1,3 @@
+export function getRealDate(): Date {
+	return new Date()
+}

__fixtures__/bundle/global-name-conflict/main.ts

@@ -0,0 +1,11 @@
+export { isMyPromise } from './my-promise'
+
+export { getRealDate } from './get-real-date'
+
+export { Date } from './my-date'
+
+import { Date as MyDate } from './my-date'
+
+export const myDate = new MyDate()
+
+export const Date_1 = new Date().getTime() // tslint:disable-line: variable-name

__fixtures__/bundle/global-name-conflict/my-date.ts

@@ -0,0 +1,4 @@
+/**
+ * Not the global Date.
+ */
+export class Date {}

__fixtures__/bundle/global-name-conflict/my-promise.ts

@@ -0,0 +1,8 @@
+/**
+ * Not the global Promise.
+ */
+export type Promise = { then: (value: any) => any; catch: (reason: any) => void }
+
+export function isMyPromise(obj: any): obj is Promise {
+	return true
+}

__tests__/bundle-addon.ts

@@ -32,6 +32,33 @@ test('duplicate', () => {
 	}
 })
 
+test('global name conflict', () => {
+	const entryPoint = fixture('global-name-conflict', 'dist', 'main.d.ts')
+
+	build({
+		basePath: fixture('global-name-conflict'),
+		extends: '../tsconfig.json',
+		compilerOptions,
+		clean: { outDir: true },
+		bundleDeclaration: {
+			entryPoint,
+		},
+	})
+
+	const bundled = readFileSync(entryPoint, 'utf8')
+
+	for (const expected of [
+		/^declare type Promise_1 =/gm,
+		/^export declare function isMyPromise.*Promise_1/gm,
+		/^export declare function getRealDate.*Date;$/gm,
+		/^declare class Date_2/gm,
+		/^export { Date_2 as Date }/gm,
+		/^export declare const myDate: Date_2/gm,
+	]) {
+		expect(bundled).toMatch(expected)
+	}
+})
+
 test.skip('complex', () => {
 	const entryPoint = fixture('complex', 'dist', 'main.d.ts')