var fs = require('fs');

var colours = JSON.parse(fs.readFileSync('colours.json', 'utf8'));
var extensions = JSON.parse(fs.readFileSync('extensions.json', 'utf8'));

function ext(ext) {
    // Turn extension to colour
    var keys = Object.keys(colours);
    for (i=0; i<keys.length; i++) {
        var extensions = colours[keys[i]].extensions;
        try {
            for (j=0; j<extensions.length; j++) {
                if (extensions[j] == ext) {
                    if (colours[keys[i]].color != undefined) {
                        return colours[keys[i]].color;
                    } else {
                        return null;
                    }
                }
            }
        } catch(err) {
            // Nothing
        }
    }
    return null;
}