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"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.lilconfigSync = exports.lilconfig = exports.defaultLoaders = void 0; const path = require("path"); const fs = require("fs"); const os = require("os"); const fsReadFileAsync = fs.promises.readFile; function getDefaultSearchPlaces(name) { return [ 'package.json', `.${name}rc.json`, `.${name}rc.js`, `${name}.config.js`, `.${name}rc.cjs`, `${name}.config.cjs`, ]; } function getSearchPaths(startDir, stopDir) { return startDir .split(path.sep) .reduceRight((acc, _, ind, arr) => { const currentPath = arr.slice(0, ind + 1).join(path.sep); if (!acc.passedStopDir) acc.searchPlaces.push(currentPath || path.sep); if (currentPath === stopDir) acc.passedStopDir = true; return acc; }, { searchPlaces: [], passedStopDir: false }).searchPlaces; } exports.defaultLoaders = Object.freeze({ '.js': require, '.json': require, '.cjs': require, noExt(_, content) { return JSON.parse(content); }, }); function getExtDesc(ext) { return ext === 'noExt' ? 'files without extensions' : `extension "${ext}"`; } function getOptions(name, options = {}) { const conf = { stopDir: os.homedir(), searchPlaces: getDefaultSearchPlaces(name), ignoreEmptySearchPlaces: true, transform: (x) => x, packageProp: [name], ...options, loaders: { ...exports.defaultLoaders, ...options.loaders }, }; conf.searchPlaces.forEach(place => { const key = path.extname(place) || 'noExt'; const loader = conf.loaders[key]; if (!loader) { throw new Error(`No loader specified for ${getExtDesc(key)}, so searchPlaces item "${place}" is invalid`); } if (typeof loader !== 'function') { throw new Error(`loader for ${getExtDesc(key)} is not a function (type provided: "${typeof loader}"), so searchPlaces item "${place}" is invalid`); } }); return conf; } function getPackageProp(props, obj) { if (typeof props === 'string' && props in obj) return obj[props]; return ((Array.isArray(props) ? props : props.split('.')).reduce((acc, prop) => (acc === undefined ? acc : acc[prop]), obj) || null); } function getSearchItems(searchPlaces, searchPaths) { return searchPaths.reduce((acc, searchPath) => { searchPlaces.forEach(fileName => acc.push({ fileName, filepath: path.join(searchPath, fileName), loaderKey: path.extname(fileName) || 'noExt', })); return acc; }, []); } function validateFilePath(filepath) { if (!filepath) throw new Error('load must pass a non-empty string'); } function validateLoader(loader, ext) { if (!loader) throw new Error(`No loader specified for extension "${ext}"`); if (typeof loader !== 'function') throw new Error('loader is not a function'); } function lilconfig(name, options) { const { ignoreEmptySearchPlaces, loaders, packageProp, searchPlaces, stopDir, transform, } = getOptions(name, options); return { async search(searchFrom = process.cwd()) { const searchPaths = getSearchPaths(searchFrom, stopDir); const result = { config: null, filepath: '', }; const searchItems = getSearchItems(searchPlaces, searchPaths); for (const { fileName, filepath, loaderKey } of searchItems) { try { await fs.promises.access(filepath); } catch (_a) { continue; } const content = String(await fsReadFileAsync(filepath)); const loader = loaders[loaderKey]; if (fileName === 'package.json') { const pkg = await loader(filepath, content); const maybeConfig = getPackageProp(packageProp, pkg); if (maybeConfig != null) { result.config = maybeConfig; result.filepath = filepath; break; } continue; } const isEmpty = content.trim() === ''; if (isEmpty && ignoreEmptySearchPlaces) continue; if (isEmpty) { result.isEmpty = true; result.config = undefined; } else { validateLoader(loader, loaderKey); result.config = await loader(filepath, content); } result.filepath = filepath; break; } if (result.filepath === '' && result.config === null) return transform(null); return transform(result); }, async load(filepath) { validateFilePath(filepath); const absPath = path.resolve(process.cwd(), filepath); const { base, ext } = path.parse(absPath); const loaderKey = ext || 'noExt'; const loader = loaders[loaderKey]; validateLoader(loader, loaderKey); const content = String(await fsReadFileAsync(absPath)); if (base === 'package.json') { const pkg = await loader(absPath, content); return transform({ config: getPackageProp(packageProp, pkg), filepath: absPath, }); } const result = { config: null, filepath: absPath, }; const isEmpty = content.trim() === ''; if (isEmpty && ignoreEmptySearchPlaces) return transform({ config: undefined, filepath: absPath, isEmpty: true, }); result.config = isEmpty ? undefined : await loader(absPath, content); return transform(isEmpty ? { ...result, isEmpty, config: undefined } : result); }, }; } exports.lilconfig = lilconfig; function lilconfigSync(name, options) { const { ignoreEmptySearchPlaces, loaders, packageProp, searchPlaces, stopDir, transform, } = getOptions(name, options); return { search(searchFrom = process.cwd()) { const searchPaths = getSearchPaths(searchFrom, stopDir); const result = { config: null, filepath: '', }; const searchItems = getSearchItems(searchPlaces, searchPaths); for (const { fileName, filepath, loaderKey } of searchItems) { try { fs.accessSync(filepath); } catch (_a) { continue; } const loader = loaders[loaderKey]; const content = String(fs.readFileSync(filepath)); if (fileName === 'package.json') { const pkg = loader(filepath, content); const maybeConfig = getPackageProp(packageProp, pkg); if (maybeConfig != null) { result.config = maybeConfig; result.filepath = filepath; break; } continue; } const isEmpty = content.trim() === ''; if (isEmpty && ignoreEmptySearchPlaces) continue; if (isEmpty) { result.isEmpty = true; result.config = undefined; } else { validateLoader(loader, loaderKey); result.config = loader(filepath, content); } result.filepath = filepath; break; } if (result.filepath === '' && result.config === null) return transform(null); return transform(result); }, load(filepath) { validateFilePath(filepath); const absPath = path.resolve(process.cwd(), filepath); const { base, ext } = path.parse(absPath); const loaderKey = ext || 'noExt'; const loader = loaders[loaderKey]; validateLoader(loader, loaderKey); const content = String(fs.readFileSync(absPath)); if (base === 'package.json') { const pkg = loader(absPath, content); return transform({ config: getPackageProp(packageProp, pkg), filepath: absPath, }); } const result = { config: null, filepath: absPath, }; const isEmpty = content.trim() === ''; if (isEmpty && ignoreEmptySearchPlaces) return transform({ filepath: absPath, config: undefined, isEmpty: true, }); result.config = isEmpty ? undefined : loader(absPath, content); return transform(isEmpty ? { ...result, isEmpty, config: undefined } : result); }, }; } exports.lilconfigSync = lilconfigSync;
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