@lunaticmuch/front-matter-manipulator/lib/core/output.js

A utility for parsing and manipulating documents with Front Matter

import chalk  from 'chalk';
import fs  from 'fs';
import isMissing  from '../util/isMissing.js';


export default function output(data, options) {
    var defaultOptions = {
        json: {
            replacer: null,
            space: '\t'
        }
    };

    options = Object.assign(defaultOptions, options);
    var output = JSON.stringify(data, options.json.replacer, options.json.space);
    var shouldOutput = (
        isMissing(options.outputFile) && !options.silent && options.cli
        || !isMissing(options.outputFile) && options.verbose && options.cli
    );

    if (options.outputString) 
        output = data.join(' ');

    if(shouldOutput) {
        console.log(output);
    }

    if (!isMissing(options.outputFile)) {
        if(!options.silent && options.cli)
            console.log(chalk`{gray Writing output to {bold ${options.outputFile}}}`);

        fs.writeFileSync(options.outputFile, output);

        if(!options.silent && options.cli)
            console.log(chalk`{green {bold ${options.outputFile}} written}`);
    }

    return JSON.parse(output);
}