sweetjs-compiler

Compiler for sweet.js macro

Summary

The sweetjs-compiler is a simple wrapper to the exist compile method in the sweet.js module. It is usefull when you want compile your macro but it is not necessarily inside a file.

Use

Sweetjs-compiler is a npm module therefore is enought to make:

npm install --save sweetjs-compiler

And in the your code:

const SweetCompiler = require('sweetjs-compiler')

Options

The constructur require an object with the follow params:

SweetCompiler({
  ambient: { type: String, default: process.cwd() },
  noBabel: { type: Boolean, default: false },
  resolver: { type: Function, default: node_module_resolver },
  loader: { type: Function, default: node_module_loader }
});

ambient

Directory where start the search of the require macro. Any import in the souce code is relative at the path set here.

noBabel

Set if using Babel for the back-end or not.

resolver

The function to get the path of the macro included in the source.

loader

The function to read the content of the macro included in the source.

Compile

The only method of sweetjs-compiler is compile. It take in input the source and return an object with:

• code - The expended code
• sourceMap - The source map

If some errors is occurred, an exception is throw.

Example:

const SweetCompiler = require('sweetjs-compiler');

var compiler = new SweetCompiler({
  // So, everywhere you run the script, the path to include 
  // the macro in the source files is fixed
  ambient: __dirname 
});

// The example in the home of sweet.js
var source = "syntax hi = function (ctx) {return #`console.log('hello, world!')`;} hi";

try {
  var out = compiler.compile(source);
  console.log(out.code) // Print: console.log('hello, world!')
  
} catch (err) {
  /*
  ...
  */
}

Note

This project is make to use the method compile in a javascript program. Please, if this is a unneccessary solution, open a issue so I will delete this garbage.