auspice/docs-src/node_modules/import-lazy/index.js

Web app for visualizing pathogen evolution

'use strict';
const lazy = (mod, fn, id) => mod === undefined ? fn(id) : mod;

module.exports = 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);
			},
			construct: (target, argumentsList) => {
				mod = lazy(mod, fn, id);
				return Reflect.construct(mod, argumentsList);
			}
		};

		// eslint-disable-next-line prefer-arrow-callback
		return new Proxy(function () {}, handler);
	};
};