Files
pkgcomp/src/utils.js
2019-04-05 15:49:59 -07:00

79 lines
2.1 KiB
JavaScript

const path = require('path');
const fs = require('fs');
const os = require('os');
const JoyCon = require('joycon');
const globParent = require('glob-parent');
exports.getRootPath = () => process.cwd();
exports.getHomeDir = () => os.homedir();
exports.getDataDir = () => path.join(exports.getHomeDir(), '.local/share');
exports.canAccessFile = (p, flag) => {
try {
fs.accessSync(p, flag || fs.constants.R_OK);
return true;
} catch (e) {
return false;
}
};
exports.getFileContents = (filePath, opts = {}) => {
if (!exports.canAccessFile(filePath)) throw new Error(`File not found: ${filePath}`);
const content = fs.readFileSync(filePath);
if (opts.format === 'json') return JSON.parse(content);
if (opts.format === 'text') return content.toString();
return content;
};
exports.getPackageInfo = () => {
const { name, workspaces } = exports.getFileContents(
path.join(exports.getRootPath(), 'package.json'),
{
format: 'json',
}
);
if (!name) throw new Error('Unable to read project name from package.json');
return { name, workspaces };
};
exports.getPackageWorkspaces = () => {
const { workspaces } = exports.getPackageInfo();
if (!workspaces) return [];
return workspaces.reduce((acc, glob) => {
const parent = globParent(glob);
const packages = fs
.readdirSync(parent)
.map(package => {
const packageJson = path.join(parent, package, 'package.json');
if (!exports.canAccessFile(packageJson)) return false;
return {
name: package,
package: packageJson,
};
})
.filter(Boolean);
return acc.concat(packages);
}, []);
};
exports.getConfig = (overrides = {}) => {
const joycon = new JoyCon();
const defaults = {
checkFiles: ['package-lock.json', 'yarn.lock'],
rootDir: process.cwd(),
dataDir: exports.getDataDir(),
cmd: false,
};
const result = joycon.loadSync({
packageKey: 'pkgcomp',
files: ['.config/pkgcomp.json', '.pkgcomp.json', 'pkgcomp.json', 'package.json'],
});
return Object.assign(defaults, result.data, overrides);
};