mirror of
https://github.com/joelwmale/webhook-action.git
synced 2024-11-25 08:56:57 +01:00
329 lines
11 KiB
JavaScript
329 lines
11 KiB
JavaScript
var fs = require('fs');
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var getHomedir = require('./homedir');
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var path = require('path');
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var caller = require('./caller');
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var nodeModulesPaths = require('./node-modules-paths');
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var normalizeOptions = require('./normalize-options');
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var isCore = require('is-core-module');
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var realpathFS = process.platform !== 'win32' && fs.realpath && typeof fs.realpath.native === 'function' ? fs.realpath.native : fs.realpath;
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var homedir = getHomedir();
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var defaultPaths = function () {
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return [
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path.join(homedir, '.node_modules'),
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path.join(homedir, '.node_libraries')
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];
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};
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var defaultIsFile = function isFile(file, cb) {
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fs.stat(file, function (err, stat) {
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if (!err) {
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return cb(null, stat.isFile() || stat.isFIFO());
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}
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if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
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return cb(err);
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});
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};
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var defaultIsDir = function isDirectory(dir, cb) {
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fs.stat(dir, function (err, stat) {
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if (!err) {
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return cb(null, stat.isDirectory());
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}
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if (err.code === 'ENOENT' || err.code === 'ENOTDIR') return cb(null, false);
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return cb(err);
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});
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};
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var defaultRealpath = function realpath(x, cb) {
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realpathFS(x, function (realpathErr, realPath) {
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if (realpathErr && realpathErr.code !== 'ENOENT') cb(realpathErr);
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else cb(null, realpathErr ? x : realPath);
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});
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};
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var maybeRealpath = function maybeRealpath(realpath, x, opts, cb) {
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if (opts && opts.preserveSymlinks === false) {
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realpath(x, cb);
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} else {
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cb(null, x);
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}
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};
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var defaultReadPackage = function defaultReadPackage(readFile, pkgfile, cb) {
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readFile(pkgfile, function (readFileErr, body) {
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if (readFileErr) cb(readFileErr);
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else {
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try {
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var pkg = JSON.parse(body);
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cb(null, pkg);
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} catch (jsonErr) {
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cb(null);
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}
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}
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});
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};
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var getPackageCandidates = function getPackageCandidates(x, start, opts) {
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var dirs = nodeModulesPaths(start, opts, x);
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for (var i = 0; i < dirs.length; i++) {
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dirs[i] = path.join(dirs[i], x);
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}
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return dirs;
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};
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module.exports = function resolve(x, options, callback) {
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var cb = callback;
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var opts = options;
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if (typeof options === 'function') {
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cb = opts;
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opts = {};
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}
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if (typeof x !== 'string') {
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var err = new TypeError('Path must be a string.');
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return process.nextTick(function () {
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cb(err);
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});
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}
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opts = normalizeOptions(x, opts);
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var isFile = opts.isFile || defaultIsFile;
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var isDirectory = opts.isDirectory || defaultIsDir;
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var readFile = opts.readFile || fs.readFile;
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var realpath = opts.realpath || defaultRealpath;
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var readPackage = opts.readPackage || defaultReadPackage;
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if (opts.readFile && opts.readPackage) {
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var conflictErr = new TypeError('`readFile` and `readPackage` are mutually exclusive.');
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return process.nextTick(function () {
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cb(conflictErr);
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});
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}
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var packageIterator = opts.packageIterator;
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var extensions = opts.extensions || ['.js'];
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var includeCoreModules = opts.includeCoreModules !== false;
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var basedir = opts.basedir || path.dirname(caller());
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var parent = opts.filename || basedir;
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opts.paths = opts.paths || defaultPaths();
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// ensure that `basedir` is an absolute path at this point, resolving against the process' current working directory
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var absoluteStart = path.resolve(basedir);
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maybeRealpath(
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realpath,
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absoluteStart,
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opts,
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function (err, realStart) {
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if (err) cb(err);
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else init(realStart);
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}
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);
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var res;
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function init(basedir) {
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if ((/^(?:\.\.?(?:\/|$)|\/|([A-Za-z]:)?[/\\])/).test(x)) {
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res = path.resolve(basedir, x);
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if (x === '.' || x === '..' || x.slice(-1) === '/') res += '/';
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if ((/\/$/).test(x) && res === basedir) {
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loadAsDirectory(res, opts.package, onfile);
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} else loadAsFile(res, opts.package, onfile);
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} else if (includeCoreModules && isCore(x)) {
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return cb(null, x);
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} else loadNodeModules(x, basedir, function (err, n, pkg) {
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if (err) cb(err);
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else if (n) {
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return maybeRealpath(realpath, n, opts, function (err, realN) {
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if (err) {
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cb(err);
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} else {
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cb(null, realN, pkg);
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}
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});
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} else {
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var moduleError = new Error("Cannot find module '" + x + "' from '" + parent + "'");
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moduleError.code = 'MODULE_NOT_FOUND';
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cb(moduleError);
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}
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});
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}
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function onfile(err, m, pkg) {
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if (err) cb(err);
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else if (m) cb(null, m, pkg);
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else loadAsDirectory(res, function (err, d, pkg) {
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if (err) cb(err);
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else if (d) {
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maybeRealpath(realpath, d, opts, function (err, realD) {
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if (err) {
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cb(err);
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} else {
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cb(null, realD, pkg);
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}
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});
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} else {
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var moduleError = new Error("Cannot find module '" + x + "' from '" + parent + "'");
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moduleError.code = 'MODULE_NOT_FOUND';
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cb(moduleError);
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}
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});
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}
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function loadAsFile(x, thePackage, callback) {
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var loadAsFilePackage = thePackage;
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var cb = callback;
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if (typeof loadAsFilePackage === 'function') {
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cb = loadAsFilePackage;
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loadAsFilePackage = undefined;
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}
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var exts = [''].concat(extensions);
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load(exts, x, loadAsFilePackage);
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function load(exts, x, loadPackage) {
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if (exts.length === 0) return cb(null, undefined, loadPackage);
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var file = x + exts[0];
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var pkg = loadPackage;
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if (pkg) onpkg(null, pkg);
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else loadpkg(path.dirname(file), onpkg);
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function onpkg(err, pkg_, dir) {
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pkg = pkg_;
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if (err) return cb(err);
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if (dir && pkg && opts.pathFilter) {
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var rfile = path.relative(dir, file);
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var rel = rfile.slice(0, rfile.length - exts[0].length);
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var r = opts.pathFilter(pkg, x, rel);
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if (r) return load(
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[''].concat(extensions.slice()),
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path.resolve(dir, r),
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pkg
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);
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}
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isFile(file, onex);
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}
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function onex(err, ex) {
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if (err) return cb(err);
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if (ex) return cb(null, file, pkg);
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load(exts.slice(1), x, pkg);
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}
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}
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}
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function loadpkg(dir, cb) {
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if (dir === '' || dir === '/') return cb(null);
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if (process.platform === 'win32' && (/^\w:[/\\]*$/).test(dir)) {
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return cb(null);
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}
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if ((/[/\\]node_modules[/\\]*$/).test(dir)) return cb(null);
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maybeRealpath(realpath, dir, opts, function (unwrapErr, pkgdir) {
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if (unwrapErr) return loadpkg(path.dirname(dir), cb);
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var pkgfile = path.join(pkgdir, 'package.json');
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isFile(pkgfile, function (err, ex) {
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// on err, ex is false
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if (!ex) return loadpkg(path.dirname(dir), cb);
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readPackage(readFile, pkgfile, function (err, pkgParam) {
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if (err) cb(err);
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var pkg = pkgParam;
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if (pkg && opts.packageFilter) {
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pkg = opts.packageFilter(pkg, pkgfile);
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}
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cb(null, pkg, dir);
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});
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});
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});
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}
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function loadAsDirectory(x, loadAsDirectoryPackage, callback) {
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var cb = callback;
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var fpkg = loadAsDirectoryPackage;
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if (typeof fpkg === 'function') {
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cb = fpkg;
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fpkg = opts.package;
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}
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maybeRealpath(realpath, x, opts, function (unwrapErr, pkgdir) {
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if (unwrapErr) return cb(unwrapErr);
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var pkgfile = path.join(pkgdir, 'package.json');
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isFile(pkgfile, function (err, ex) {
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if (err) return cb(err);
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if (!ex) return loadAsFile(path.join(x, 'index'), fpkg, cb);
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readPackage(readFile, pkgfile, function (err, pkgParam) {
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if (err) return cb(err);
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var pkg = pkgParam;
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if (pkg && opts.packageFilter) {
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pkg = opts.packageFilter(pkg, pkgfile);
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}
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if (pkg && pkg.main) {
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if (typeof pkg.main !== 'string') {
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var mainError = new TypeError('package “' + pkg.name + '” `main` must be a string');
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mainError.code = 'INVALID_PACKAGE_MAIN';
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return cb(mainError);
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}
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if (pkg.main === '.' || pkg.main === './') {
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pkg.main = 'index';
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}
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loadAsFile(path.resolve(x, pkg.main), pkg, function (err, m, pkg) {
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if (err) return cb(err);
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if (m) return cb(null, m, pkg);
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if (!pkg) return loadAsFile(path.join(x, 'index'), pkg, cb);
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var dir = path.resolve(x, pkg.main);
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loadAsDirectory(dir, pkg, function (err, n, pkg) {
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if (err) return cb(err);
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if (n) return cb(null, n, pkg);
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loadAsFile(path.join(x, 'index'), pkg, cb);
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});
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});
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return;
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}
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loadAsFile(path.join(x, '/index'), pkg, cb);
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});
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});
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});
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}
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function processDirs(cb, dirs) {
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if (dirs.length === 0) return cb(null, undefined);
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var dir = dirs[0];
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isDirectory(path.dirname(dir), isdir);
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function isdir(err, isdir) {
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if (err) return cb(err);
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if (!isdir) return processDirs(cb, dirs.slice(1));
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loadAsFile(dir, opts.package, onfile);
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}
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function onfile(err, m, pkg) {
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if (err) return cb(err);
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if (m) return cb(null, m, pkg);
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loadAsDirectory(dir, opts.package, ondir);
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}
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function ondir(err, n, pkg) {
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if (err) return cb(err);
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if (n) return cb(null, n, pkg);
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processDirs(cb, dirs.slice(1));
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}
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}
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function loadNodeModules(x, start, cb) {
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var thunk = function () { return getPackageCandidates(x, start, opts); };
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processDirs(
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cb,
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packageIterator ? packageIterator(x, start, thunk, opts) : thunk()
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);
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}
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};
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