@alu0101265704/addlogging/bin/add-logging.js

[](https://badge.fury.io/js/%40alu0101265704%2Faddlogging)

#!/usr/bin/env node

const fs = require('fs');
const program = require('commander');
let escodegen = require('escodegen');
let esprima = require('espree');
const espree = require('espree/lib/espree');
let estraverse = require('estraverse');
const { parseOptions } = require('commander');
const { version, description } = require('../package.json');
const { addLogging } = require('../src');


program
    .version(version)
    .description(description)
    .option('-o, --output <output_file> ', 'output file of the program')
    .option('-p, --pattern <pattern_name> <output_file> <input_file>', 'function pattern name and output file of the program')
    .usage('add-logging [options]');

program.parse(process.argv);

const options = program.opts();

let outputFilename = '';
if (program.args.length === 2)
    outputFilename = program.args.shift();
let inputFilename = program.args.shift();

try {
    if (inputFilename) {
        fs.readFile(inputFilename, 'utf8', (err, input) => {
            if (err) throw `Error reading '${inputFilename}':${err}`;
            const output = addLogging(input, options.pattern);
            if (options.output) {
                fs.writeFile(options.output, output, err => {
                    if (err) throw `It is not possible to write to '${options.output}': ${err}`;
                    console.log(`Output in file '${options.output}'`);
                })
            } 
            else if (options.pattern) {
                fs.writeFile(outputFilename, output, err => {
                    if (err) throw `It is not possible to write to '${options.output}': ${err}`;
                    console.log(`Output in file '${outputFilename}`);
                })
            }
            else {
                program.help();
            } 
        })
    } else {
        program.help();
    }
} catch (e) {
    console.log(`There where errors! ${e}`);
}