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express-server/node_modules/import-lazy/index.js

@@ -0,0 +1,53 @@
+'use strict';
+const lazy = (mod, fn, id) => mod === undefined ? fn(id) : mod;
+
+module.exports = fn => {
+	return id => {
+		let mod;
+
+		return function () {
+			if (arguments.length === 0) {
+				mod = lazy(mod, fn, id);
+				return mod;
+			}
+
+			const ret = {};
+
+			[].forEach.call(arguments, prop => {
+				Object.defineProperty(ret, prop, {
+					get: () => {
+						mod = lazy(mod, fn, id);
+						if (typeof mod[prop] === 'function') {
+							return function () {
+								return mod[prop].apply(mod, arguments);
+							};
+						}
+
+						return mod[prop];
+					}
+				});
+			});
+
+			return ret;
+		};
+	};
+};
+
+module.exports.proxy = fn => {
+	return id => {
+		let mod;
+
+		const handler = {
+			get: (target, property) => {
+				mod = lazy(mod, fn, id);
+				return Reflect.get(mod, property);
+			},
+			apply: (target, thisArg, argumentsList) => {
+				mod = lazy(mod, fn, id);
+				return Reflect.apply(mod, thisArg, argumentsList);
+			}
+		};
+
+		return new Proxy(() => {}, handler);
+	};
+};