Fix missing ES types regression in 0.15 (#100)

Author: bendrucker

package.json

@@ -19,9 +19,9 @@
 		"prepublishOnly": "npm run build",
 		"pretest": "npm run build && cpy \"./**/**\" \"../../../dist/test/fixtures/\" --parents --cwd=source/test/fixtures",
 		"test": "npm run lint && ava",
-		"build": "npm run clean && tsc && chmod +x dist/cli.js",
+		"build": "npm run clean && tsc --project tsconfig.tsd.json && chmod +x dist/cli.js",
 		"clean": "del-cli dist",
-		"lint": "tslint -p . --format stylish"
+		"lint": "tslint -p tsconfig.tsd.json --format stylish"
 	},
 	"files": [
 		"dist/index.js",

source/lib/config.ts

@@ -34,7 +34,7 @@ export default (pkg: {tsd?: RawConfig}, cwd: string): Config => {
 		compilerOptions: {
 			strict: true,
 			jsx: JsxEmit.React,
-			lib: ['es2017', 'dom', 'dom.iterable'],
+			lib: parseRawLibs(['es2017', 'dom', 'dom.iterable'], cwd),
 			module: ModuleKind.CommonJS,
 			target: ScriptTarget.ES2017,
 			esModuleInterop: true,
@@ -67,3 +67,7 @@ function parseCompilerConfigObject(compilerOptions: RawCompilerOptions, cwd: str
 		cwd
 	).options;
 }
+
+function parseRawLibs(libs: string[], cwd: string): string[] {
+	return parseCompilerConfigObject({lib: libs}, cwd).lib || [];
+}

source/test/fixtures/dom/index.test-d.ts

@@ -5,3 +5,7 @@ const parent = document.createElement('div');
 const child = document.createElement('p');
 
 expectType<void>(append(parent, child));
+
+const elementsCollection = document.getElementsByClassName('foo');
+expectType<HTMLCollectionOf<Element>>(elementsCollection);
+expectType<() => IterableIterator<Element>>(elementsCollection[Symbol.iterator]);

source/test/fixtures/dom/package.json

@@ -1,8 +1,3 @@
 {
-	"name": "foo",
-	"tsd": {
-		"compilerOptions": {
-			"lib": ["dom"]
-		}
-	}
+	"name": "foo"
 }

source/test/fixtures/lib-config/failure-missing-lib/package.json

@@ -1,3 +1,8 @@
 {
-	"name": "foo"
+	"name": "foo",
+	"tsd": {
+		"compilerOptions": {
+			"lib": []
+		}
+	}
 }