Trim decimals for 3D JSON models

trim-decimals.js

var fs = require('fs');
var argv = require('minimist')(process.argv.slice(2));

let data = JSON.parse(fs.readFileSync('./' + argv.input, 'utf8'));
Object.keys(data).forEach(function(key) {
    if (data[key] instanceof Array) {
        data[key].forEach(function(value, i) {
            data[key][i] = parseFloat(parseFloat(value).toFixed(3 || argv.cs));
        });
    }
});

fs.writeFileSync('./' + argv.output, JSON.stringify(data), 'utf8');