const { resolve, relative } = require('node:path') const mapWorkspaces = require('@npmcli/map-workspaces') const { minimatch } = require('minimatch') const pkgJson = require('@npmcli/package-json') // minimatch wants forward slashes only for glob patterns const globify = pattern => pattern.split('\\').join('/') // Returns an Map of paths to workspaces indexed by workspace name // { foo => '/path/to/foo' } const getWorkspaces = async (filters, { path, includeWorkspaceRoot, relativeFrom }) => { // TODO we need a better error to be bubbled up here if this call fails const { content: pkg } = await pkgJson.normalize(path) const workspaces = await mapWorkspaces({ cwd: path, pkg }) let res = new Map() if (includeWorkspaceRoot) { res.set(pkg.name, path) } if (!filters.length) { res = new Map([...res, ...workspaces]) } for (const filterArg of filters) { for (const [workspaceName, workspacePath] of workspaces.entries()) { let relativePath = relative(relativeFrom, workspacePath) if (filterArg.startsWith('./')) { relativePath = `./${relativePath}` } const relativeFilter = relative(path, filterArg) if (filterArg === workspaceName || resolve(relativeFrom, filterArg) === workspacePath || minimatch(relativePath, `${globify(relativeFilter)}/*`) || minimatch(relativePath, `${globify(filterArg)}/*`) ) { res.set(workspaceName, workspacePath) } } } if (!res.size) { let msg = '!' if (filters.length) { msg = `:\n ${filters.reduce( (acc, filterArg) => `${acc} --workspace=${filterArg}`, '')}` } throw new Error(`No workspaces found${msg}`) } return res } module.exports = getWorkspaces