+++ /dev/null
-'use strict';
-
-const path = require('path');
-const globToRegExp = require('glob-to-regexp');
-
-module.exports = normalizeOptions;
-
-let isWindows = /^win/.test(process.platform);
-
-/**
- * @typedef {Object} FSFacade
- * @property {fs.readdir} readdir
- * @property {fs.stat} stat
- * @property {fs.lstat} lstat
- */
-
-/**
- * Validates and normalizes the options argument
- *
- * @param {object} [options] - User-specified options, if any
- * @param {object} internalOptions - Internal options that aren't part of the public API
- *
- * @param {number|boolean|function} [options.deep]
- * The number of directories to recursively traverse. Any falsy value or negative number will
- * default to zero, so only the top-level contents will be returned. Set to `true` or `Infinity`
- * to traverse all subdirectories. Or provide a function that accepts a {@link fs.Stats} object
- * and returns a truthy value if the directory's contents should be crawled.
- *
- * @param {function|string|RegExp} [options.filter]
- * A function that accepts a {@link fs.Stats} object and returns a truthy value if the data should
- * be returned. Or a RegExp or glob string pattern, to filter by file name.
- *
- * @param {string} [options.sep]
- * The path separator to use. By default, the OS-specific separator will be used, but this can be
- * set to a specific value to ensure consistency across platforms.
- *
- * @param {string} [options.basePath]
- * The base path to prepend to each result. If empty, then all results will be relative to `dir`.
- *
- * @param {FSFacade} [options.fs]
- * Synchronous or asynchronous facades for Node.js File System module
- *
- * @param {object} [internalOptions.facade]
- * Synchronous or asynchronous facades for various methods, including for the Node.js File System module
- *
- * @param {boolean} [internalOptions.emit]
- * Indicates whether the reader should emit "file", "directory", and "symlink" events
- *
- * @param {boolean} [internalOptions.stats]
- * Indicates whether the reader should emit {@link fs.Stats} objects instead of path strings
- *
- * @returns {object}
- */
-function normalizeOptions (options, internalOptions) {
- if (options === null || options === undefined) {
- options = {};
- }
- else if (typeof options !== 'object') {
- throw new TypeError('options must be an object');
- }
-
- let recurseDepth, recurseFn, recurseRegExp, recurseGlob, deep = options.deep;
- if (deep === null || deep === undefined) {
- recurseDepth = 0;
- }
- else if (typeof deep === 'boolean') {
- recurseDepth = deep ? Infinity : 0;
- }
- else if (typeof deep === 'number') {
- if (deep < 0 || isNaN(deep)) {
- throw new Error('options.deep must be a positive number');
- }
- else if (Math.floor(deep) !== deep) {
- throw new Error('options.deep must be an integer');
- }
- else {
- recurseDepth = deep;
- }
- }
- else if (typeof deep === 'function') {
- recurseDepth = Infinity;
- recurseFn = deep;
- }
- else if (deep instanceof RegExp) {
- recurseDepth = Infinity;
- recurseRegExp = deep;
- }
- else if (typeof deep === 'string' && deep.length > 0) {
- recurseDepth = Infinity;
- recurseGlob = globToRegExp(deep, { extended: true, globstar: true });
- }
- else {
- throw new TypeError('options.deep must be a boolean, number, function, regular expression, or glob pattern');
- }
-
- let filterFn, filterRegExp, filterGlob, filter = options.filter;
- if (filter !== null && filter !== undefined) {
- if (typeof filter === 'function') {
- filterFn = filter;
- }
- else if (filter instanceof RegExp) {
- filterRegExp = filter;
- }
- else if (typeof filter === 'string' && filter.length > 0) {
- filterGlob = globToRegExp(filter, { extended: true, globstar: true });
- }
- else {
- throw new TypeError('options.filter must be a function, regular expression, or glob pattern');
- }
- }
-
- let sep = options.sep;
- if (sep === null || sep === undefined) {
- sep = path.sep;
- }
- else if (typeof sep !== 'string') {
- throw new TypeError('options.sep must be a string');
- }
-
- let basePath = options.basePath;
- if (basePath === null || basePath === undefined) {
- basePath = '';
- }
- else if (typeof basePath === 'string') {
- // Append a path separator to the basePath, if necessary
- if (basePath && basePath.substr(-1) !== sep) {
- basePath += sep;
- }
- }
- else {
- throw new TypeError('options.basePath must be a string');
- }
-
- // Convert the basePath to POSIX (forward slashes)
- // so that glob pattern matching works consistently, even on Windows
- let posixBasePath = basePath;
- if (posixBasePath && sep !== '/') {
- posixBasePath = posixBasePath.replace(new RegExp('\\' + sep, 'g'), '/');
-
- /* istanbul ignore if */
- if (isWindows) {
- // Convert Windows root paths (C:\) and UNCs (\\) to POSIX root paths
- posixBasePath = posixBasePath.replace(/^([a-zA-Z]\:\/|\/\/)/, '/');
- }
- }
-
- // Determine which facade methods to use
- let facade;
- if (options.fs === null || options.fs === undefined) {
- // The user didn't provide their own facades, so use our internal ones
- facade = internalOptions.facade;
- }
- else if (typeof options.fs === 'object') {
- // Merge the internal facade methods with the user-provided `fs` facades
- facade = Object.assign({}, internalOptions.facade);
- facade.fs = Object.assign({}, internalOptions.facade.fs, options.fs);
- }
- else {
- throw new TypeError('options.fs must be an object');
- }
-
- return {
- recurseDepth,
- recurseFn,
- recurseRegExp,
- recurseGlob,
- filterFn,
- filterRegExp,
- filterGlob,
- sep,
- basePath,
- posixBasePath,
- facade,
- emit: !!internalOptions.emit,
- stats: !!internalOptions.stats,
- };
-}
projects / dotfiles / .git / blobdiff