build-registry

Author: NullVoxPopuli

src/build-registry.ts

@@ -0,0 +1,55 @@
+const DEFAULT_NAMESPACE = './';
+
+/**
+ * For libraries to provide a registry to use in apps.
+ */
+export function buildRegistry(entries: Record<string, unknown>) {
+  /**
+   * Injest a sub-registry from a library
+   *
+   * ```js
+   * import EmberApp from 'ember-strict-application-resolver';
+   *
+   * import { libraryRegistry } from 'some-library/registry';
+   *
+   * class TestApp extends EmberApp {
+   *   modules = {
+   *     './router': { default: Router },
+   *     ...libraryRegistry(),
+   *   };
+   * }
+   * ```
+   *
+   * Or if using `ember-resolver`
+   * ```js
+   *   import Application from '@ember/application';
+   *   import Resolver from 'ember-resolver';
+   *   import config from '#config';
+   *
+   *   import { registry } from './registry.ts';
+
+   *   export default class App extends Application {
+   *     modulePrefix = config.modulePrefix;
+   *     Resolver = Resolver.withModules({
+   *       ...libraryRegistry('my-app-name'),
+   *     });
+      }
+   * ```
+   */
+  return function createRegistry(namespace = DEFAULT_NAMESPACE) {
+    const result: Record<string, unknown> = {};
+
+    for (const [key, value] of Object.entries(entries)) {
+      const entry =
+        namespace === DEFAULT_NAMESPACE ? key : join(namespace, key);
+
+      result[entry] = value;
+    }
+
+    return result;
+  };
+}
+
+function join(namespace: string, key: string) {
+  return `${namespace}/${key}`.replace('/./', '/');
+}