diff options
Diffstat (limited to 'node_modules/resolve/lib')
| -rw-r--r-- | node_modules/resolve/lib/async.js | 192 | ||||
| -rw-r--r-- | node_modules/resolve/lib/caller.js | 8 | ||||
| -rw-r--r-- | node_modules/resolve/lib/core.js | 4 | ||||
| -rw-r--r-- | node_modules/resolve/lib/core.json | 38 | ||||
| -rw-r--r-- | node_modules/resolve/lib/node-modules-paths.js | 38 | ||||
| -rw-r--r-- | node_modules/resolve/lib/sync.js | 81 |
6 files changed, 361 insertions, 0 deletions
diff --git a/node_modules/resolve/lib/async.js b/node_modules/resolve/lib/async.js new file mode 100644 index 000000000..0f0eeca56 --- /dev/null +++ b/node_modules/resolve/lib/async.js @@ -0,0 +1,192 @@ +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 splitRe = process.platform === 'win32' ? /[\/\\]/ : /\//; + +module.exports = function resolve (x, opts, cb) { + if (typeof opts === 'function') { + cb = opts; + opts = {}; + } + if (!opts) opts = {}; + if (typeof x !== 'string') { + return process.nextTick(function () { + cb(new Error('path must be a string')); + }); + } + + var isFile = opts.isFile || function (file, cb) { + fs.stat(file, function (err, stat) { + if (err && err.code === 'ENOENT') cb(null, false) + else if (err) cb(err) + else cb(null, stat.isFile() || stat.isFIFO()) + }); + }; + var readFile = opts.readFile || fs.readFile; + + var extensions = opts.extensions || [ '.js' ]; + var y = opts.basedir || path.dirname(caller()); + + opts.paths = opts.paths || []; + + if (/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[\\\/])/.test(x)) { + var res = path.resolve(y, x); + if (x === '..') res += '/'; + if (/\/$/.test(x) && res === y) { + loadAsDirectory(res, opts.package, onfile); + } + else loadAsFile(res, opts.package, onfile); + } + else loadNodeModules(x, y, function (err, n, pkg) { + if (err) cb(err) + else if (n) cb(null, n, pkg) + else if (core[x]) return cb(null, x); + else cb(new Error("Cannot find module '" + x + "' from '" + y + "'")) + }); + + function onfile (err, m, pkg) { + if (err) cb(err) + else if (m) cb(null, m, pkg) + else loadAsDirectory(res, function (err, d, pkg) { + if (err) cb(err) + else if (d) cb(null, d, pkg) + else cb(new Error("Cannot find module '" + x + "' from '" + y + "'")) + }) + } + + function loadAsFile (x, pkg, cb) { + if (typeof pkg === 'function') { + cb = pkg; + pkg = undefined; + } + + var exts = [''].concat(extensions); + load(exts, x, pkg) + + function load (exts, x, pkg) { + if (exts.length === 0) return cb(null, undefined, pkg); + var file = x + exts[0]; + + if (pkg) onpkg(null, pkg) + else loadpkg(path.dirname(file), onpkg); + + function onpkg (err, pkg_, dir) { + pkg = pkg_; + if (err) return cb(err) + if (dir && pkg && opts.pathFilter) { + var rfile = path.relative(dir, file); + var rel = rfile.slice(0, rfile.length - exts[0].length); + var r = opts.pathFilter(pkg, x, rel); + if (r) return load( + [''].concat(extensions.slice()), + path.resolve(dir, r), + pkg + ); + } + isFile(file, onex); + } + function onex (err, ex) { + if (err) cb(err) + else if (!ex) load(exts.slice(1), x, pkg) + else cb(null, file, pkg) + } + } + } + + function loadpkg (dir, cb) { + if (dir === '' || dir === '/') return cb(null); + if (process.platform === 'win32' && /^\w:[\\\/]*$/.test(dir)) { + return cb(null); + } + if (/[\\\/]node_modules[\\\/]*$/.test(dir)) return cb(null); + + var pkgfile = path.join(dir, 'package.json'); + isFile(pkgfile, function (err, ex) { + // on err, ex is false + if (!ex) return loadpkg( + path.dirname(dir), cb + ); + + readFile(pkgfile, function (err, body) { + if (err) cb(err); + try { var pkg = JSON.parse(body) } + catch (err) {} + + if (pkg && opts.packageFilter) { + pkg = opts.packageFilter(pkg, pkgfile); + } + cb(null, pkg, dir); + }); + }); + } + + function loadAsDirectory (x, fpkg, cb) { + if (typeof fpkg === 'function') { + cb = fpkg; + fpkg = opts.package; + } + + var pkgfile = path.join(x, '/package.json'); + isFile(pkgfile, function (err, ex) { + if (err) return cb(err); + if (!ex) return loadAsFile(path.join(x, '/index'), fpkg, cb); + + readFile(pkgfile, function (err, body) { + if (err) return cb(err); + try { + var pkg = JSON.parse(body); + } + catch (err) {} + + if (opts.packageFilter) { + pkg = opts.packageFilter(pkg, pkgfile); + } + + if (pkg.main) { + if (pkg.main === '.' || pkg.main === './'){ + pkg.main = 'index' + } + loadAsFile(path.resolve(x, pkg.main), pkg, function (err, m, pkg) { + if (err) return cb(err); + if (m) return cb(null, m, pkg); + if (!pkg) return loadAsFile(path.join(x, '/index'), pkg, cb); + + var dir = path.resolve(x, pkg.main); + loadAsDirectory(dir, pkg, function (err, n, pkg) { + if (err) return cb(err); + if (n) return cb(null, n, pkg); + loadAsFile(path.join(x, '/index'), pkg, cb); + }); + }); + return; + } + + loadAsFile(path.join(x, '/index'), pkg, cb); + }); + }); + } + + function loadNodeModules (x, start, cb) { + (function process (dirs) { + if (dirs.length === 0) return cb(null, undefined); + var dir = dirs[0]; + + var file = path.join(dir, '/', x); + loadAsFile(file, undefined, onfile); + + function onfile (err, m, pkg) { + if (err) return cb(err); + if (m) return cb(null, m, pkg); + loadAsDirectory(path.join(dir, '/', x), undefined, ondir); + } + + function ondir (err, n, pkg) { + if (err) return cb(err); + if (n) return cb(null, n, pkg); + process(dirs.slice(1)); + } + })(nodeModulesPaths(start, opts)); + } +}; diff --git a/node_modules/resolve/lib/caller.js b/node_modules/resolve/lib/caller.js new file mode 100644 index 000000000..5536549b0 --- /dev/null +++ b/node_modules/resolve/lib/caller.js @@ -0,0 +1,8 @@ +module.exports = function () { + // see https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi + var origPrepareStackTrace = Error.prepareStackTrace; + Error.prepareStackTrace = function (_, stack) { return stack }; + var stack = (new Error()).stack; + Error.prepareStackTrace = origPrepareStackTrace; + return stack[2].getFileName(); +}; diff --git a/node_modules/resolve/lib/core.js b/node_modules/resolve/lib/core.js new file mode 100644 index 000000000..ea4a6c87e --- /dev/null +++ b/node_modules/resolve/lib/core.js @@ -0,0 +1,4 @@ +module.exports = require('./core.json').reduce(function (acc, x) { + acc[x] = true; + return acc; +}, {}); diff --git a/node_modules/resolve/lib/core.json b/node_modules/resolve/lib/core.json new file mode 100644 index 000000000..28560f7ef --- /dev/null +++ b/node_modules/resolve/lib/core.json @@ -0,0 +1,38 @@ +[ + "assert", + "buffer_ieee754", + "buffer", + "child_process", + "cluster", + "console", + "constants", + "crypto", + "_debugger", + "dgram", + "dns", + "domain", + "events", + "freelist", + "fs", + "http", + "https", + "_linklist", + "module", + "net", + "os", + "path", + "punycode", + "querystring", + "readline", + "repl", + "stream", + "string_decoder", + "sys", + "timers", + "tls", + "tty", + "url", + "util", + "vm", + "zlib" +] diff --git a/node_modules/resolve/lib/node-modules-paths.js b/node_modules/resolve/lib/node-modules-paths.js new file mode 100644 index 000000000..ce0a0d9f2 --- /dev/null +++ b/node_modules/resolve/lib/node-modules-paths.js @@ -0,0 +1,38 @@ +var path = require('path'); + +module.exports = function (start, opts) { + var modules = opts.moduleDirectory + ? [].concat(opts.moduleDirectory) + : ['node_modules'] + ; + + // ensure that `start` is an absolute path at this point, + // resolving against the process' current working directory + start = path.resolve(start); + + var prefix = '/'; + if (/^([A-Za-z]:)/.test(start)) { + prefix = ''; + } else if (/^\\\\/.test(start)) { + prefix = '\\\\'; + } + + var splitRe = process.platform === 'win32' ? /[\/\\]/ : /\/+/; + + var parts = start.split(splitRe); + + var dirs = []; + for (var i = parts.length - 1; i >= 0; i--) { + if (modules.indexOf(parts[i]) !== -1) continue; + dirs = dirs.concat(modules.map(function(module_dir) { + return prefix + path.join( + path.join.apply(path, parts.slice(0, i + 1)), + module_dir + ); + })); + } + if (process.platform === 'win32'){ + dirs[dirs.length-1] = dirs[dirs.length-1].replace(":", ":\\"); + } + return dirs.concat(opts.paths); +} diff --git a/node_modules/resolve/lib/sync.js b/node_modules/resolve/lib/sync.js new file mode 100644 index 000000000..ef91eddbb --- /dev/null +++ b/node_modules/resolve/lib/sync.js @@ -0,0 +1,81 @@ +var core = require('./core'); +var fs = require('fs'); +var path = require('path'); +var caller = require('./caller.js'); +var nodeModulesPaths = require('./node-modules-paths.js'); + +module.exports = function (x, opts) { + if (!opts) opts = {}; + var isFile = opts.isFile || function (file) { + try { var stat = fs.statSync(file) } + catch (err) { if (err && err.code === 'ENOENT') return false } + return stat.isFile() || stat.isFIFO(); + }; + var readFileSync = opts.readFileSync || fs.readFileSync; + + var extensions = opts.extensions || [ '.js' ]; + var y = opts.basedir || path.dirname(caller()); + + opts.paths = opts.paths || []; + + if (/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[\\\/])/.test(x)) { + var res = path.resolve(y, x); + if (x === '..') res += '/'; + var m = loadAsFileSync(res) || loadAsDirectorySync(res); + if (m) return m; + } else { + var n = loadNodeModulesSync(x, y); + if (n) return n; + } + + if (core[x]) return x; + + throw new Error("Cannot find module '" + x + "' from '" + y + "'"); + + function loadAsFileSync (x) { + if (isFile(x)) { + return x; + } + + for (var i = 0; i < extensions.length; i++) { + var file = x + extensions[i]; + if (isFile(file)) { + return file; + } + } + } + + function loadAsDirectorySync (x) { + var pkgfile = path.join(x, '/package.json'); + if (isFile(pkgfile)) { + var body = readFileSync(pkgfile, 'utf8'); + try { + var pkg = JSON.parse(body); + if (opts.packageFilter) { + pkg = opts.packageFilter(pkg, x); + } + + if (pkg.main) { + 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 (err) {} + } + + return loadAsFileSync(path.join( x, '/index')); + } + + function loadNodeModulesSync (x, start) { + var dirs = nodeModulesPaths(start, opts); + for (var i = 0; i < dirs.length; i++) { + var dir = dirs[i]; + var m = loadAsFileSync(path.join( dir, '/', x)); + if (m) return m; + var n = loadAsDirectorySync(path.join( dir, '/', x )); + if (n) return n; + } + } +}; |