feat(util): defaultExport

Alwatr · Jun 26, 2023 · 82cc24e · 82cc24e
1 parent 1ffa9e8
commit 82cc24e
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diff --git a/core/util/src/default-export.ts b/core/util/src/default-export.ts
@@ -0,0 +1,13 @@
+/**
+ * Get default export from dynamic es-module import without resolve promise.
+ *
+ * Example:
+ *
+ * ```ts
+ * const starIcon = defaultExport(import('@alwatr/icon/svg/star-outline.svg'));
+ *
+ * render(`<div class="icon">${await starIcon}</div>`)
+ * ```
+ */
+export const defaultExport = <K extends string, T extends {default: K}>(m: Promise<T>): Promise<K> =>
+  m.then((_m) => _m.default);
diff --git a/core/util/src/index.ts b/core/util/src/index.ts
@@ -6,3 +6,4 @@ export * from './polyfill.js';
 export * from './flat-str.js';
 export * from './string.js';
 export * from './render-state.js';
+export * from './default-export.js';