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license-exporter/exporter.js

54 lines
1.9 KiB
JavaScript

const fs = require('fs');
const args = process.argv.slice(2);
function parsePackageInfo(path){
const packagecontents = JSON.parse(fs.readFileSync(path, { encoding: 'utf-8' }));
packagecontents.dependencies = Object.entries(packagecontents.dependencies || {});
packagecontents.devDependencies = Object.entries(packagecontents.devDependencies || {});
return packagecontents;
}
function mergeDependencies(packageInfo){
return [].concat(packageInfo.dependencies, packageInfo.devDependencies);
}
function getDependencyLicenseInfo(all_dependencies, recursive){
let all = [];
all_dependencies.forEach((p) => {
const packageinfo = parsePackageInfo(`./node_modules/${p[0]}/package.json`);
let licensetext = '';
if (fs.existsSync(`./node_modules/${p[0]}/LICENSE.md`)) {
licensetext = fs.readFileSync(`./node_modules/${p[0]}/LICENSE.md`, { encoding: 'utf-8' });
}
if (fs.existsSync(`./node_modules/${p[0]}/LICENSE`)) {
licensetext = fs.readFileSync(`./node_modules/${p[0]}/LICENSE`, { encoding: 'utf-8' });
}
if (fs.existsSync(`./node_modules/${p[0]}/LICENSE.txt`)) {
licensetext = fs.readFileSync(`./node_modules/${p[0]}/LICENSE.txt`, { encoding: 'utf-8' });
}
const info = {
author: packageinfo.author,
repo: packageinfo.repository || packageinfo.repository.url,
description: packageinfo.description,
name: packageinfo.name,
license: packageinfo.license,
licensetext
};
all.push(info);
if(recursive == true){
all.push(...getDependencyLicenseInfo(packageinfo.dependencies, true));
}
});
return all;
}
const packageInfo = parsePackageInfo(`./package.json`);
const all = getDependencyLicenseInfo(mergeDependencies(packageInfo), args.includes("--recursive"));
if(args.includes("--pretty")){
fs.writeFileSync('./licenses.json', JSON.stringify(all, null, 4));
}
else{
fs.writeFileSync('./licenses.json', JSON.stringify(all));
}