api-cli/bin/cmd.generate.js

86 lines
2.7 KiB
JavaScript

const path = require('path');
const fs = require('fs');
const linter = require('./linter');
const prompt = require('./prompt');
const os = require('os')
const it_root_questions = [
{ question: 'Service name', name: 'name', validator: linter.regex.NAME_REGEX, error: "Name must only contain lowercase letters, numbers or '-_'!" },
{ question: 'Service description', name: 'description', validator: linter.regex.DESCRIPTION_REGEX, error: "Description must be a descriptive sentence starting with a uppercase letter and ending with a '.'!" },
{ question: 'Template', name: 'template', default: defaultTemplatePath},
{ question: 'Output', name: 'output', default: results => defaultOutputPath(results.name) },
{ question: 'Namespace', name: 'namespace' },
{ question: 'Base URL', name: 'base_url'}
];
function userTemplatePath(name) {
let templatePath = path.join(os.homedir(), '.api', 'templates', name)
if(fs.existsSync(templatePath)) {
return templatePath;
}
return false;
}
function defaultTemplatePath() {
return userTemplatePath('default.json') || path.join(__dirname, '..', 'templates', 'default.json')
}
function defaultOutputPath(name) {
return path.join(process.cwd(), `${name}.json`)
}
function doInteractiveGeneration(args) {
prompt.start([
...it_root_questions
], results => {
generateTemplate(results);
});
}
function doSilentGeneration(args) {
let config = {};
config.template = args.template || defaultTemplatePath();
config.name = args.name;
config.description = args.description;
config.output = args.output || defaultOutputPath(args.name)
config.namespace = args.namespace || undefined
config.base_url = args.base_url || undefined
config.info = userTemplatePath('info.json') || undefined
generateTemplate(config);
}
function generateTemplate(config) {
console.log(`Generate Service Spec for service '${config.name}' to ${config.output}`)
let template = require(config.template);
template.name = config.name
template.description = config.description
template.namespace = config.namespace
template.base_url = config.base_url
if(config.info) {
template.info = require(config.info)
}
let messages = linter.lint(template);
if(messages.length) {
console.error("Failed to generate service spec:");
messages.forEach(message => console.log(`\t${message}`));
process.exit(-1)
}
let output = JSON.stringify(template, null, '\t');
fs.writeFileSync(config.output, output);
}
module.exports = function(args) {
if(args.silent) {
return doSilentGeneration(args);
}
return doInteractiveGeneration(args);
}