Sep 11, 2011 · "Deprecation notice: Preprocessor.js has been deprecated in favor of MetaScript, a much more JavaScripty way for build time meta programming using JavaScript itself as the meta language. Check out the migration guide to get a quick impression of its merits."

Nov 5, 2021 · There are a few ways how you could accomplish this. You can use the c preprocessor on other file types, so you could create a compile setup for your javascript code. Example: foo.js: repeat(10) { console.log(i); macros.js: and then you can compile it with cpp: This would result in a foo.compiled.js file that looks like this:

We offer four different JavaScript preprocessors on CodePen: CoffeeScript, LiveScript, TypeScript, and Babel. To enable a preprocessor, click the gear icon in the header of the JS editor in Editor View. Then select your favorite preprocessor from …

Preprocess HTML, JavaScript, and other files with directives based off custom or ENV configuration

A mind-numbingly simple JavaScript preprocessor for platform-specific build chains. Built with Node.js, designed for HTML/CSS/JS, but works with most text files.

// Sample JavaScript Code to add an input parameter for preprocessor function fun1() { logger.debug('Tesing put method of HashMap'); serviceInputParams.put('place', 'London'); return true; } fun1();

jsmacro is pre-processor designed for use with JavaScript (where "macro" currently leans more toward the C definition of a macro than the Lisp definition.)

Call .preprocess on a function to preprocess it. Currently the only preprocessor directive is #define....

Jul 21, 2015 · For a project of mine, I want to implement a customized preprocessor in JavaScript that mimics the GNU C Preprocessor (i.e. gcc -E). This preprocessor I wrote already has most things working, except conditionals.

Jan 31, 2025 · Problem: How can we preprocess JavaScript (at build-time or on the server-side) so engines like V8 don't have to spend as much time in Parse? This is a topic that involves generating either bytecode or a bytecode-like-abstraction that an engine would need to accept.