RedScript is language (actually don't) that transpiles to JavaScript. This code is created with the help of your-script module.

The source files in RedScript have .rs extension.

Disclaimer

This module is created just for enormous incredible fun, nothing more. I can't even imagine someone really writing programms on this subset.

Usage

This module is distributed via npm, it requires global installation, run npm i -g rscript just where you want this code. RedScript provides minimal console tool to translate source files to JavaScript and vice versa. After installed globally it availble in your wd as redscript

Run redscript yourFile.js or redscript yourFile.rs to translate it to opposite subset.

Example

Lets imagine, your JS file, programm.js contains following code:

    function функ(икс, игрек, зет) {                         
    var и = 0;                              
    var икс = {0: "ноль", 1: "один"};          
    var функ = function () {                  
    }                                          
    if (!и > 10) {                           
        for (var j = 0; j < 10; j++) {      
            switch (j) {                
                case 0:                   
                    значение = "zero";            
                    break;                      
                case 1:                   
                    значение = "one";             
                    break;                      
            }                                  
            var с = джей > 5 ? "ГТ 5" : "ЛЕ 5";
        }                                      
    } else {                                  
        var джей = 0;                          
        try {                             
            while (джей < 10) {                    
                if (и == джей || джей > 5) {       
                    a[джей] = и + джей * 12;         
                }                              
                и = (джей << 2) & 4;              
                джей++;                           
            }                                  
            do {                            
                джей--;                           
            } while (джей > 0)                     
        } catch (e) {                           
            alert("Крах: " + e.message);    
        } finally {                              
            обнулить(a, и);                       
        }                                      
    }                                          
}                                   

After launching redscript programm.js in directory with this file, parser will create transpiled source file, programm.rs, translated in RedScript and look as following:

функция функ(икс, игрек, зет) {                         
    примем и = 0;                              
    примем икс = {0: "ноль", 1: "один"};          
    примем функ = функция () {                  
    }                                          
    если (!и > 10) {                           
        для (примем j = 0; j < 10; j++) {      
            переключатель (j) {                
                положение 0:                   
                    значение = "zero";            
                    стоп;                      
                положение 1:                   
                    значение = "one";             
                    стоп;                      
            }                                  
            примем с = джей > 5 ? "ГТ 5" : "ЛЕ 5";
        }                                      
    } иначе {                                  
        примем джей = 0;                          
        попробуй {                             
            пока (джей < 10) {                    
                если (и == джей || джей > 5) {       
                    a[джей] = и + джей * 12;         
                }                              
                и = (джей << 2) & 4;              
                джей++;                           
            }                                  
            делай {                            
                джей--;                           
            } пока (джей > 0)                     
        } лови (e) {                           
            alert("Крах: " + e.message);    
        } затем {                              
            обнулить(a, и);                       
        }                                      
    }                                          
}                                   

What it is and what isn't

Since RedScript is based on your-scipt, this subset is limited by modifying the language keywords. So, any global object properties, like document.body or HTMLElement.prototype.nextElementSibling are untouched, though it's definetely possible :)

Under the hood

your-script esprima-custom-keywords keywords-provider

Cheers!