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-rw-r--r--node_modules/resolve/lib/async.js203
1 files changed, 107 insertions, 96 deletions
diff --git a/node_modules/resolve/lib/async.js b/node_modules/resolve/lib/async.js
index 0f0eeca56..ef1bde782 100644
--- a/node_modules/resolve/lib/async.js
+++ b/node_modules/resolve/lib/async.js
@@ -3,78 +3,90 @@ 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) {
+module.exports = function resolve(x, options, callback) {
+ var cb = callback;
+ var opts = options || {};
if (typeof opts === 'function') {
cb = opts;
opts = {};
}
- if (!opts) opts = {};
if (typeof x !== 'string') {
+ var err = new TypeError('Path must be a string.');
return process.nextTick(function () {
- cb(new Error('path must be a string'));
+ cb(err);
});
}
-
+
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())
+ if (!err) {
+ return cb(null, stat.isFile() || stat.isFIFO());
+ }
+ if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
+ return cb(err);
});
};
var readFile = opts.readFile || fs.readFile;
-
- var extensions = opts.extensions || [ '.js' ];
+
+ var extensions = opts.extensions || ['.js'];
var y = opts.basedir || path.dirname(caller());
-
+
opts.paths = opts.paths || [];
-
- if (/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[\\\/])/.test(x)) {
+
+ if (/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/.test(x)) {
var res = path.resolve(y, x);
- if (x === '..') res += '/';
+ if (x === '..' || x.slice(-1) === '/') 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 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 + "'"))
+ else {
+ var moduleError = new Error("Cannot find module '" + x + "' from '" + y + "'");
+ moduleError.code = 'MODULE_NOT_FOUND';
+ cb(moduleError);
+ }
});
-
- function onfile (err, m, pkg) {
- if (err) cb(err)
- else if (m) cb(null, m, pkg)
+
+ 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 + "'"))
- })
+ if (err) cb(err);
+ else if (d) cb(null, d, pkg);
+ else {
+ var moduleError = new Error("Cannot find module '" + x + "' from '" + y + "'");
+ moduleError.code = 'MODULE_NOT_FOUND';
+ cb(moduleError);
+ }
+ });
}
-
- function loadAsFile (x, pkg, cb) {
- if (typeof pkg === 'function') {
- cb = pkg;
- pkg = undefined;
+
+ function loadAsFile(x, thePackage, callback) {
+ var loadAsFilePackage = thePackage;
+ var cb = callback;
+ if (typeof loadAsFilePackage === 'function') {
+ cb = loadAsFilePackage;
+ loadAsFilePackage = undefined;
}
-
+
var exts = [''].concat(extensions);
- load(exts, x, pkg)
-
- function load (exts, x, pkg) {
- if (exts.length === 0) return cb(null, undefined, pkg);
+ load(exts, x, loadAsFilePackage);
+
+ function load(exts, x, loadPackage) {
+ if (exts.length === 0) return cb(null, undefined, loadPackage);
var file = x + exts[0];
-
- if (pkg) onpkg(null, pkg)
+
+ var pkg = loadPackage;
+ if (pkg) onpkg(null, pkg);
else loadpkg(path.dirname(file), onpkg);
-
- function onpkg (err, pkg_, dir) {
+
+ function onpkg(err, pkg_, dir) {
pkg = pkg_;
- if (err) return cb(err)
+ 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);
@@ -87,33 +99,30 @@ module.exports = function resolve (x, opts, cb) {
}
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 onex(err, ex) {
+ if (err) return cb(err);
+ if (ex) return cb(null, file, pkg);
+ load(exts.slice(1), x, pkg);
}
}
}
-
- function loadpkg (dir, cb) {
+
+ function loadpkg(dir, cb) {
if (dir === '' || dir === '/') return cb(null);
- if (process.platform === 'win32' && /^\w:[\\\/]*$/.test(dir)) {
+ if (process.platform === 'win32' && (/^\w:[/\\]*$/).test(dir)) {
return cb(null);
}
- if (/[\\\/]node_modules[\\\/]*$/.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
- );
-
+ 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) {}
-
+ try { var pkg = JSON.parse(body); } catch (jsonErr) {}
+
if (pkg && opts.packageFilter) {
pkg = opts.packageFilter(pkg, pkgfile);
}
@@ -121,72 +130,74 @@ module.exports = function resolve (x, opts, cb) {
});
});
}
-
- function loadAsDirectory (x, fpkg, cb) {
+
+ function loadAsDirectory(x, loadAsDirectoryPackage, callback) {
+ var cb = callback;
+ var fpkg = loadAsDirectoryPackage;
if (typeof fpkg === 'function') {
cb = fpkg;
fpkg = opts.package;
}
-
- var pkgfile = path.join(x, '/package.json');
+
+ 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);
-
+ 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) {}
-
+ } catch (jsonErr) {}
+
if (opts.packageFilter) {
pkg = opts.packageFilter(pkg, pkgfile);
}
-
+
if (pkg.main) {
- if (pkg.main === '.' || pkg.main === './'){
- pkg.main = 'index'
+ 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);
+ 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);
+ 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));
+
+ function processDirs(cb, 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);
+ processDirs(cb, dirs.slice(1));
+ }
+ }
+ function loadNodeModules(x, start, cb) {
+ processDirs(cb, nodeModulesPaths(start, opts));
}
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-09-12 08:37:19 +0000