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node_modules/isarray/build/build.js
Maintainability
67.71
Lines of code
199
Difficulty
52.36
Estimated Errors
1.18
Function weight
By Complexity
By SLOC
/** * Require the given path. * * @param {String} path * @return {Object} exports * @api public */ function require(path, parent, orig) { var resolved = require.resolve(path); // lookup failed if (null == resolved) { orig = orig || path; parent = parent || 'root'; var err = new Error('Failed to require "' + orig + '" from "' + parent + '"'); err.path = orig; err.parent = parent; err.require = true; throw err; } var module = require.modules[resolved]; // perform real require() // by invoking the module's // registered function if (!module.exports) { module.exports = {}; module.client = module.component = true; module.call(this, module.exports, require.relative(resolved), module); } return module.exports; } /** * Registered modules. */ require.modules = {}; /** * Registered aliases. */ require.aliases = {}; /** * Resolve `path`. * * Lookup: * * - PATH/index.js * - PATH.js * - PATH * * @param {String} path * @return {String} path or null * @api private */ require.resolve = function(path) { if (path.charAt(0) === '/') path = path.slice(1); var index = path + '/index.js'; var paths = [ path, path + '.js', path + '.json', path + '/index.js', path + '/index.json' ]; for (var i = 0; i < paths.length; i++) { var path = paths[i]; if (require.modules.hasOwnProperty(path)) return path; } if (require.aliases.hasOwnProperty(index)) { return require.aliases[index]; } }; /** * Normalize `path` relative to the current path. * * @param {String} curr * @param {String} path * @return {String} * @api private */ require.normalize = function(curr, path) { var segs = []; if ('.' != path.charAt(0)) return path; curr = curr.split('/'); path = path.split('/'); for (var i = 0; i < path.length; ++i) { if ('..' == path[i]) { curr.pop(); } else if ('.' != path[i] && '' != path[i]) { segs.push(path[i]); } } return curr.concat(segs).join('/'); }; /** * Register module at `path` with callback `definition`. * * @param {String} path * @param {Function} definition * @api private */ require.register = function(path, definition) { require.modules[path] = definition; }; /** * Alias a module definition. * * @param {String} from * @param {String} to * @api private */ require.alias = function(from, to) { if (!require.modules.hasOwnProperty(from)) { throw new Error('Failed to alias "' + from + '", it does not exist'); } require.aliases[to] = from; }; /** * Return a require function relative to the `parent` path. * * @param {String} parent * @return {Function} * @api private */ require.relative = function(parent) { var p = require.normalize(parent, '..'); /** * lastIndexOf helper. */ function lastIndexOf(arr, obj) { var i = arr.length; while (i--) { if (arr[i] === obj) return i; } return -1; } /** * The relative require() itself. */ function localRequire(path) { var resolved = localRequire.resolve(path); return require(resolved, parent, path); } /** * Resolve relative to the parent. */ localRequire.resolve = function(path) { var c = path.charAt(0); if ('/' == c) return path.slice(1); if ('.' == c) return require.normalize(p, path); // resolve deps by returning // the dep in the nearest "deps" // directory var segs = parent.split('/'); var i = lastIndexOf(segs, 'deps') + 1; if (!i) i = 0; path = segs.slice(0, i + 1).join('/') + '/deps/' + path; return path; }; /** * Check if module is defined at `path`. */ localRequire.exists = function(path) { return require.modules.hasOwnProperty(localRequire.resolve(path)); }; return localRequire; }; require.register("isarray/index.js", function(exports, require, module){ module.exports = Array.isArray || function (arr) { return Object.prototype.toString.call(arr) == '[object Array]'; }; }); require.alias("isarray/index.js", "isarray/index.js");