dzc
f087d6ba57
Import the supplied management frontend, including request encryption, withdrawal updates, and vendored dependencies. Use incoming versions for overlapping source files and retain existing environment configuration absent from the supplied directory.
337 lines
11 KiB
JavaScript
337 lines
11 KiB
JavaScript
var fs = require('fs');
|
|
var getHomedir = require('./homedir');
|
|
var path = require('path');
|
|
var caller = require('./caller');
|
|
var nodeModulesPaths = require('./node-modules-paths');
|
|
var normalizeOptions = require('./normalize-options');
|
|
var isCore = require('is-core-module');
|
|
var $Error = require('es-errors');
|
|
var $TypeError = require('es-errors/type');
|
|
|
|
var realpathFS = process.platform !== 'win32' && fs.realpath && typeof fs.realpath.native === 'function' ? fs.realpath.native : fs.realpath;
|
|
|
|
var relativePathRegex = /^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/;
|
|
var windowsDriveRegex = /^\w:[/\\]*$/;
|
|
var nodeModulesRegex = /[/\\]node_modules[/\\]*$/;
|
|
|
|
var homedir = getHomedir();
|
|
function defaultPaths() {
|
|
if (!homedir) return [];
|
|
return [
|
|
path.join(homedir, '.node_modules'),
|
|
path.join(homedir, '.node_libraries')
|
|
];
|
|
}
|
|
|
|
var defaultIsFile = function isFile(file, cb) {
|
|
fs.stat(file, function (err, stat) {
|
|
if (!err) {
|
|
return cb(null, stat.isFile() || stat.isFIFO());
|
|
}
|
|
if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
|
|
return cb(err);
|
|
});
|
|
};
|
|
|
|
var defaultIsDir = function isDirectory(dir, cb) {
|
|
fs.stat(dir, function (err, stat) {
|
|
if (!err) {
|
|
return cb(null, stat.isDirectory());
|
|
}
|
|
if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
|
|
return cb(err);
|
|
});
|
|
};
|
|
|
|
var defaultRealpath = function realpath(x, cb) {
|
|
realpathFS(x, function (realpathErr, realPath) {
|
|
if (realpathErr && realpathErr.code !== 'ENOENT') cb(realpathErr);
|
|
else cb(null, realpathErr ? x : realPath);
|
|
});
|
|
};
|
|
|
|
function maybeRealpath(realpath, x, opts, cb) {
|
|
if (opts && opts.preserveSymlinks === false) {
|
|
realpath(x, cb);
|
|
} else {
|
|
cb(null, x);
|
|
}
|
|
}
|
|
|
|
function defaultReadPackage(readFile, pkgfile, cb) {
|
|
readFile(pkgfile, function (readFileErr, body) {
|
|
if (readFileErr) cb(readFileErr);
|
|
else {
|
|
try {
|
|
var pkg = JSON.parse(body);
|
|
cb(null, pkg);
|
|
} catch (jsonErr) {
|
|
cb(null);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
function getPackageCandidates(x, start, opts) {
|
|
var dirs = nodeModulesPaths(start, opts, x);
|
|
for (var i = 0; i < dirs.length; i++) {
|
|
dirs[i] = path.join(dirs[i], x);
|
|
}
|
|
return dirs;
|
|
}
|
|
|
|
module.exports = function resolve(x, options, callback) {
|
|
var cb = callback;
|
|
var opts = options;
|
|
if (typeof options === 'function') {
|
|
cb = opts;
|
|
opts = {};
|
|
}
|
|
if (typeof x !== 'string') {
|
|
var err = new $TypeError('Path must be a string.');
|
|
return process.nextTick(function () {
|
|
cb(err);
|
|
});
|
|
}
|
|
|
|
opts = normalizeOptions(x, opts);
|
|
|
|
var isFile = opts.isFile || defaultIsFile;
|
|
var isDirectory = opts.isDirectory || defaultIsDir;
|
|
var readFile = opts.readFile || fs.readFile;
|
|
var realpath = opts.realpath || defaultRealpath;
|
|
var readPackage = opts.readPackage || defaultReadPackage;
|
|
if (opts.readFile && opts.readPackage) {
|
|
var conflictErr = new $TypeError('`readFile` and `readPackage` are mutually exclusive.');
|
|
return process.nextTick(function () {
|
|
cb(conflictErr);
|
|
});
|
|
}
|
|
var packageIterator = opts.packageIterator;
|
|
|
|
var extensions = opts.extensions || ['.js'];
|
|
var includeCoreModules = opts.includeCoreModules !== false;
|
|
var basedir = opts.basedir || path.dirname(caller());
|
|
var parent = opts.filename || basedir;
|
|
|
|
opts.paths = opts.paths || defaultPaths();
|
|
|
|
// ensure that `basedir` is an absolute path at this point, resolving against the process' current working directory
|
|
var absoluteStart = path.resolve(basedir);
|
|
|
|
maybeRealpath(
|
|
realpath,
|
|
absoluteStart,
|
|
opts,
|
|
function (err, realStart) {
|
|
if (err) cb(err);
|
|
else init(realStart);
|
|
}
|
|
);
|
|
|
|
var res;
|
|
function init(basedir) {
|
|
if (relativePathRegex.test(x)) {
|
|
res = path.resolve(basedir, x);
|
|
if (x === '.' || x === '..' || x.slice(-1) === '/') res += '/';
|
|
if (x.slice(-1) === '/' && res === basedir) {
|
|
loadAsDirectory(res, opts.package, onfile);
|
|
} else loadAsFile(res, opts.package, onfile);
|
|
} else if (includeCoreModules && isCore(x)) {
|
|
return cb(null, x);
|
|
} else loadNodeModules(x, basedir, function (err, n, pkg) {
|
|
if (err) cb(err);
|
|
else if (n) {
|
|
return maybeRealpath(realpath, n, opts, function (err, realN) {
|
|
if (err) {
|
|
cb(err);
|
|
} else {
|
|
cb(null, realN, pkg);
|
|
}
|
|
});
|
|
} else {
|
|
var moduleError = new $Error("Cannot find module '" + x + "' from '" + parent + "'");
|
|
moduleError.code = 'MODULE_NOT_FOUND';
|
|
cb(moduleError);
|
|
}
|
|
});
|
|
}
|
|
|
|
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) {
|
|
maybeRealpath(realpath, d, opts, function (err, realD) {
|
|
if (err) {
|
|
cb(err);
|
|
} else {
|
|
cb(null, realD, pkg);
|
|
}
|
|
});
|
|
} else {
|
|
var moduleError = new $Error("Cannot find module '" + x + "' from '" + parent + "'");
|
|
moduleError.code = 'MODULE_NOT_FOUND';
|
|
cb(moduleError);
|
|
}
|
|
});
|
|
}
|
|
|
|
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, loadAsFilePackage);
|
|
|
|
function load(exts, x, loadPackage) {
|
|
if (exts.length === 0) return cb(null, undefined, loadPackage);
|
|
var file = x + exts[0];
|
|
|
|
var pkg = loadPackage;
|
|
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),
|
|
path.resolve(dir, r),
|
|
pkg
|
|
);
|
|
}
|
|
isFile(file, onex);
|
|
}
|
|
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) {
|
|
if (dir === '' || dir === '/') return cb(null);
|
|
if (process.platform === 'win32' && windowsDriveRegex.test(dir)) {
|
|
return cb(null);
|
|
}
|
|
if (nodeModulesRegex.test(dir)) return cb(null);
|
|
|
|
maybeRealpath(realpath, dir, opts, function (unwrapErr, pkgdir) {
|
|
if (unwrapErr) return loadpkg(path.dirname(dir), cb);
|
|
var pkgfile = path.join(pkgdir, 'package.json');
|
|
isFile(pkgfile, function (err, ex) {
|
|
// on err, ex is false
|
|
if (!ex) return loadpkg(path.dirname(dir), cb);
|
|
|
|
readPackage(readFile, pkgfile, function (err, pkgParam) {
|
|
if (err) { return cb(err); }
|
|
|
|
var pkg = pkgParam;
|
|
|
|
if (pkg && opts.packageFilter) {
|
|
pkg = opts.packageFilter(pkg, pkgfile);
|
|
}
|
|
cb(null, pkg, dir);
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
function loadAsDirectory(x, loadAsDirectoryPackage, callback) {
|
|
var cb = callback;
|
|
var fpkg = loadAsDirectoryPackage;
|
|
if (typeof fpkg === 'function') {
|
|
cb = fpkg;
|
|
fpkg = opts.package;
|
|
}
|
|
|
|
maybeRealpath(realpath, x, opts, function (unwrapErr, pkgdir) {
|
|
if (unwrapErr) return cb(unwrapErr);
|
|
var pkgfile = path.join(pkgdir, 'package.json');
|
|
isFile(pkgfile, function (err, ex) {
|
|
if (err) return cb(err);
|
|
if (!ex) return loadAsFile(path.join(x, 'index'), fpkg, cb);
|
|
|
|
readPackage(readFile, pkgfile, function (err, pkgParam) {
|
|
if (err) return cb(err);
|
|
|
|
var pkg = pkgParam;
|
|
|
|
if (pkg && opts.packageFilter) {
|
|
pkg = opts.packageFilter(pkg, pkgfile);
|
|
}
|
|
|
|
if (pkg && pkg.main) {
|
|
if (typeof pkg.main !== 'string') {
|
|
var mainError = new $TypeError('package “' + pkg.name + '” `main` must be a string');
|
|
mainError.code = 'INVALID_PACKAGE_MAIN';
|
|
return cb(mainError);
|
|
}
|
|
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 processDirs(cb, dirs) {
|
|
if (dirs.length === 0) return cb(null, undefined);
|
|
var dir = dirs[0];
|
|
|
|
isDirectory(path.dirname(dir), isdir);
|
|
|
|
function isdir(err, isdir) {
|
|
if (err) return cb(err);
|
|
if (!isdir) return processDirs(cb, dirs.slice(1));
|
|
loadAsFile(dir, opts.package, onfile);
|
|
}
|
|
|
|
function onfile(err, m, pkg) {
|
|
if (err) return cb(err);
|
|
if (m) return cb(null, m, pkg);
|
|
loadAsDirectory(dir, opts.package, 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) {
|
|
var thunk = function () { return getPackageCandidates(x, start, opts); };
|
|
processDirs(
|
|
cb,
|
|
packageIterator ? packageIterator(x, start, thunk, opts) : thunk()
|
|
);
|
|
}
|
|
};
|