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path: root/node_modules/resolve/lib/async.js
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-rw-r--r--node_modules/resolve/lib/async.js298
1 files changed, 0 insertions, 298 deletions
diff --git a/node_modules/resolve/lib/async.js b/node_modules/resolve/lib/async.js
deleted file mode 100644
index 06aa458..0000000
--- a/node_modules/resolve/lib/async.js
+++ /dev/null
@@ -1,298 +0,0 @@
-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 isCore = require('./is-core');
-
-var realpathFS = fs.realpath && typeof fs.realpath.native === 'function' ? fs.realpath.native : fs.realpath;
-
-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);
- });
-};
-
-var maybeRealpath = function maybeRealpath(realpath, x, opts, cb) {
- if (opts && opts.preserveSymlinks === false) {
- realpath(x, cb);
- } else {
- cb(null, x);
- }
-};
-
-var getPackageCandidates = 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 packageIterator = opts.packageIterator;
-
- 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 = path.resolve(basedir);
-
- maybeRealpath(
- realpath,
- absoluteStart,
- opts,
- function (err, realStart) {
- if (err) cb(err);
- else init(realStart);
- }
- );
-
- var res;
- function init(basedir) {
- if ((/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/).test(x)) {
- res = path.resolve(basedir, x);
- if (x === '.' || x === '..' || x.slice(-1) === '/') res += '/';
- if ((/\/$/).test(x) && res === basedir) {
- loadAsDirectory(res, opts.package, onfile);
- } else loadAsFile(res, opts.package, onfile);
- } else if (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.slice()),
- 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' && (/^\w:[/\\]*$/).test(dir)) {
- return cb(null);
- }
- if ((/[/\\]node_modules[/\\]*$/).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);
-
- readFile(pkgfile, function (err, body) {
- if (err) cb(err);
- try { var pkg = JSON.parse(body); } catch (jsonErr) {}
-
- 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);
-
- readFile(pkgfile, function (err, body) {
- if (err) return cb(err);
- try {
- var pkg = JSON.parse(body);
- } catch (jsonErr) {}
-
- 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()
- );
- }
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-02 22:36:31 +0300