add file

node_modules/style-resources-loader/src/loader.ts

@@ -0,0 +1,25 @@
+import {errorMessage, isFunction, loadResources} from './utils';
+
+import {Loader, LoaderCallback} from '.';
+
+/* eslint-disable no-invalid-this */
+const loader: Loader = function(source) {
+    this.cacheable && this.cacheable();
+
+    const callback = this.async();
+
+    if (!isFunction<LoaderCallback>(callback)) {
+        throw new Error(errorMessage.syncCompilation);
+    }
+
+    /* istanbul ignore if: not possible to test */
+    if (typeof source !== 'string') {
+        throw new Error(errorMessage.impossible);
+    }
+
+    /* eslint-disable-next-line @typescript-eslint/no-floating-promises */
+    loadResources(this, source, callback);
+};
+/* eslint-enable no-invalid-this */
+
+export default loader;