77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
#!/usr/bin/env node
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'use strict';
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const fs = require('fs');
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const args = process.argv.slice(2);
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if (args.includes('--help')) {
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console.log(`Arguments:
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--help: View this help page
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--recursive: Include all dependencies' subdependencies
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--json: Exports the license information into ./licenses.json as json
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--md: Exports the license information into ./licenses.md as markdown`);
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}
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function parsePackageInfo(path) {
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const packagecontents = JSON.parse(fs.readFileSync(path, { encoding: 'utf-8' }));
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packagecontents.dependencies = Object.entries(packagecontents.dependencies || {});
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packagecontents.devDependencies = Object.entries(packagecontents.devDependencies || {});
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return packagecontents;
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}
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function mergeDependencies(packageInfo) {
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return [].concat(packageInfo.dependencies, packageInfo.devDependencies);
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}
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function getDependencyLicenseInfo(all_dependencies, recursive) {
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let all = [];
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all_dependencies.forEach((p) => {
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const packageinfo = parsePackageInfo(`./node_modules/${p[0]}/package.json`);
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let licensetext = '';
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if (fs.existsSync(`./node_modules/${p[0]}/LICENSE.md`)) {
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licensetext = fs.readFileSync(`./node_modules/${p[0]}/LICENSE.md`, { encoding: 'utf-8' });
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}
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if (fs.existsSync(`./node_modules/${p[0]}/LICENSE`)) {
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licensetext = fs.readFileSync(`./node_modules/${p[0]}/LICENSE`, { encoding: 'utf-8' });
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}
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if (fs.existsSync(`./node_modules/${p[0]}/LICENSE.txt`)) {
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licensetext = fs.readFileSync(`./node_modules/${p[0]}/LICENSE.txt`, { encoding: 'utf-8' });
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}
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const info = {
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author: packageinfo.author,
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repo: packageinfo.repository || packageinfo.repository.url,
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description: packageinfo.description,
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name: packageinfo.name,
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license: packageinfo.license,
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licensetext
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};
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all.push(info);
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if (recursive == true) {
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all.push(...getDependencyLicenseInfo(packageinfo.dependencies, true));
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}
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});
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return all;
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}
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const packageInfo = parsePackageInfo(`./package.json`);
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const all = getDependencyLicenseInfo(mergeDependencies(packageInfo), args.includes('--recursive'));
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if (args.includes('--json')) {
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if (args.includes('--pretty')) {
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fs.writeFileSync('./licenses.json', JSON.stringify(all, null, 4));
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} else {
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fs.writeFileSync('./licenses.json', JSON.stringify(all));
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}
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}
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if (args.includes('--md')) {
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fs.writeFileSync('./licenses.md', '');
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all.forEach((p) => {
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fs.appendFileSync(
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'./licenses.md',
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`# ${p.name}\n**Author**: ${p.author}\n**Repo**: ${p.repo}\n**License**: ${p.license}\n**Description**: ${p.description}\n## License Text\n${p.licensetext} \n\n`
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);
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});
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} else {
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return all;
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}
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