diff options
Diffstat (limited to 'bin/wiki/ImportarDesdeURL/node_modules/resolve/lib/sync.js')
-rw-r--r-- | bin/wiki/ImportarDesdeURL/node_modules/resolve/lib/sync.js | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/bin/wiki/ImportarDesdeURL/node_modules/resolve/lib/sync.js b/bin/wiki/ImportarDesdeURL/node_modules/resolve/lib/sync.js new file mode 100644 index 00000000..e8d83de5 --- /dev/null +++ b/bin/wiki/ImportarDesdeURL/node_modules/resolve/lib/sync.js @@ -0,0 +1,172 @@ +var core = require('./core'); +var fs = require('fs'); +var path = require('path'); +var caller = require('./caller.js'); +var nodeModulesPaths = require('./node-modules-paths.js'); +var normalizeOptions = require('./normalize-options.js'); + +var defaultIsFile = function isFile(file) { + try { + var stat = fs.statSync(file); + } catch (e) { + if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false; + throw e; + } + return stat.isFile() || stat.isFIFO(); +}; + +var defaultIsDir = function isDirectory(dir) { + try { + var stat = fs.statSync(dir); + } catch (e) { + if (e && (e.code === 'ENOENT' || e.code === 'ENOTDIR')) return false; + throw e; + } + return stat.isDirectory(); +}; + +var maybeUnwrapSymlink = function maybeUnwrapSymlink(x, opts) { + if (opts && opts.preserveSymlinks === false) { + try { + return fs.realpathSync(x); + } catch (realPathErr) { + if (realPathErr.code !== 'ENOENT') { + throw realPathErr; + } + } + } + return x; +}; + +module.exports = function (x, options) { + if (typeof x !== 'string') { + throw new TypeError('Path must be a string.'); + } + var opts = normalizeOptions(x, options); + + var isFile = opts.isFile || defaultIsFile; + var readFileSync = opts.readFileSync || fs.readFileSync; + var isDirectory = opts.isDirectory || defaultIsDir; + + var extensions = opts.extensions || ['.js']; + var basedir = opts.basedir || path.dirname(caller()); + var parent = opts.filename || basedir; + + opts.paths = opts.paths || []; + + // ensure that `basedir` is an absolute path at this point, resolving against the process' current working directory + var absoluteStart = maybeUnwrapSymlink(path.resolve(basedir), opts); + + if ((/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/).test(x)) { + var res = path.resolve(absoluteStart, x); + if (x === '..' || x.slice(-1) === '/') res += '/'; + var m = loadAsFileSync(res) || loadAsDirectorySync(res); + if (m) return maybeUnwrapSymlink(m, opts); + } else if (core[x]) { + return x; + } else { + var n = loadNodeModulesSync(x, absoluteStart); + if (n) return maybeUnwrapSymlink(n, opts); + } + + if (core[x]) return x; + + var err = new Error("Cannot find module '" + x + "' from '" + parent + "'"); + err.code = 'MODULE_NOT_FOUND'; + throw err; + + function loadAsFileSync(x) { + var pkg = loadpkg(path.dirname(x)); + + if (pkg && pkg.dir && pkg.pkg && opts.pathFilter) { + var rfile = path.relative(pkg.dir, x); + var r = opts.pathFilter(pkg.pkg, x, rfile); + if (r) { + x = path.resolve(pkg.dir, r); // eslint-disable-line no-param-reassign + } + } + + if (isFile(x)) { + return x; + } + + for (var i = 0; i < extensions.length; i++) { + var file = x + extensions[i]; + if (isFile(file)) { + return file; + } + } + } + + function loadpkg(dir) { + if (dir === '' || dir === '/') return; + if (process.platform === 'win32' && (/^\w:[/\\]*$/).test(dir)) { + return; + } + if ((/[/\\]node_modules[/\\]*$/).test(dir)) return; + + var pkgfile = path.join(dir, 'package.json'); + + if (!isFile(pkgfile)) { + return loadpkg(path.dirname(dir)); + } + + var body = readFileSync(pkgfile); + + try { + var pkg = JSON.parse(body); + } catch (jsonErr) {} + + if (pkg && opts.packageFilter) { + pkg = opts.packageFilter(pkg, dir); + } + + return { pkg: pkg, dir: dir }; + } + + function loadAsDirectorySync(x) { + var pkgfile = path.join(x, '/package.json'); + if (isFile(pkgfile)) { + try { + var body = readFileSync(pkgfile, 'UTF8'); + var pkg = JSON.parse(body); + } catch (e) {} + + if (opts.packageFilter) { + pkg = opts.packageFilter(pkg, x); + } + + if (pkg.main) { + if (typeof pkg.main !== 'string') { + var mainError = new TypeError('package “' + pkg.name + '” `main` must be a string'); + mainError.code = 'INVALID_PACKAGE_MAIN'; + throw mainError; + } + if (pkg.main === '.' || pkg.main === './') { + pkg.main = 'index'; + } + try { + var m = loadAsFileSync(path.resolve(x, pkg.main)); + if (m) return m; + var n = loadAsDirectorySync(path.resolve(x, pkg.main)); + if (n) return n; + } catch (e) {} + } + } + + return loadAsFileSync(path.join(x, '/index')); + } + + function loadNodeModulesSync(x, start) { + var dirs = nodeModulesPaths(start, opts, x); + for (var i = 0; i < dirs.length; i++) { + var dir = dirs[i]; + if (isDirectory(dir)) { + var m = loadAsFileSync(path.join(dir, '/', x)); + if (m) return m; + var n = loadAsDirectorySync(path.join(dir, '/', x)); + if (n) return n; + } + } + } +}; |