Node.js Web Development - Fourth Edition

Dynamic imports with import()

ES6 modules do not cover all the requirements to fully replace Node.js/CommonJS modules. One of the missing capabilities is being addressed with the Dynamic Import feature currently on its way through the TC-39 committee.

Support for dynamic imports landed in Node.js 9.7. See the documentation at:  https://github.com/tc39/proposal-dynamic-import.

We'll use dynamic imports to solve an issue in Chapter 7, Data Storage and Retrieval, about dynamically choosing the module to load.  In normal usage of the require() statement, can use a simple string literal to specify the module name.  But it is also possible to use a string literal to compute the module name, like so:

// Node.js dynamically determined module loading ...