fgo-init/index.js

fgo project initializer

#!/usr/bin/env node
//----------------------------------------------------------------- phase 1 : check folder
const fs = require('fs');
const ph = require('path');
const root = ph.resolve('.');
if (fs.readdirSync(root).length > 0) {
    console.error('not empty directory, process faluire');
    process.exit(1);
}
//----------------------------------------------------------------- phase 2 : project informations
const calculateProjectName = function(s) {
    var resp = s.trim().toLowerCase().replace(/[^a-z]+/gm,' ').trim().split(' ').filter((item)=>{return item.trim()!='';});
    if (resp.length == 0) throw new Error('wrong project name : ' + s);
    if (resp[0] != 'fgo') resp.unshift('fgo');
    return resp.join('-');
};
const calculateProjectDescription = function(s) {
    var resp = s.trim().toLowerCase().replace(/[^a-z]+/gm,' ').trim().split(' ').filter((item)=>{return item.trim()!='';});
    if (resp.length == 0) throw new Error('wrong project description : ' + s);
    if (resp[0] != 'fgo') resp.unshift('fgo');
    return resp.join(' ');
};
const calculateProjectKeywords = function(s) {
    var resp = s.trim().toLowerCase().replace(/[^a-z]+/gm,' ').trim().split(' ').filter((item)=>{return item.trim()!='';});
    if (resp.length == 0) throw new Error('wrong project keywords : ' + s);
    if (resp[0] != 'fgo') resp.unshift('fgo');
    var unique = [];
    resp.forEach(item => {
        if (unique.indexOf(item)<0) unique.push(item);
    });
    return unique;
};
const readline = require('readline').createInterface({
    input: process.stdin,
    output: process.stdout
});
const info = {
    name: calculateProjectName(ph.basename(root)),
    description: null,
    keywords: null
};
readline.question('project name (' + info.name + ') : ',(answer)=>{
    if (typeof answer == 'string' && answer.trim() != '')
        info.name = calculateProjectName(answer.trim());
    readline.pause();
    info.description = calculateProjectDescription(info.name);
    readline.question('project description (' + info.description + ') : ',(answer)=>{
        if (typeof answer == 'string' && answer.trim() != '')
            info.description = calculateProjectDescription(answer.trim());
        readline.pause();
        info.keywords = calculateProjectKeywords(info.name + ' ' + info.description);
        readline.question('project keywords (' + info.keywords.join(',') + ') : ',(answer)=>{
            if (typeof answer == 'string' && answer.trim() != '')
                info.keywords = calculateProjectKeywords(answer.trim());
            readline.close();
            const AdmZip = require('adm-zip');
            const template = new AdmZip(ph.join(__dirname,'template.zip'));
            template.extractAllToAsync(root,true,true,(error)=>{
                if (error instanceof Error) throw error;
                console.log('generating with info :',info);
                const exec = require('child_process').exec;
                exec('npm install --save-dev @types/node typescript rimraf');
                var pkg = JSON.parse(fs.readFileSync('package.json','utf8'));
                pkg.name = info.name;
                pkg.description = info.description;
                pkg.keywords = info.keywords;
                fs.writeFileSync('package.json',JSON.stringify(pkg,null,2),'utf8');
                console.log('generated successfully');
            });
        });
    });
});