How to use osenv - 10 common examples

var path     = require('path')
var rc       = require('rc')
var optimist = require('optimist')
var toCC     = require('to-camel-case')
var osenv    = require('osenv')

var home     = osenv.home()
var tmp      = osenv.tmpdir()

module.exports = (function () {
  // *** vvv Copied this stuff out of npmconf **********************
  var uidOrPid = process.getuid ? process.getuid() : process.pid

  if (home) process.env.HOME = home
  else home = path.resolve(temp, "npm-" + uidOrPid)

  var cacheExtra = process.platform === "win32" ? "npm-cache" : ".npm"
  var cacheRoot = process.platform === "win32" && process.env.APPDATA || home
  var cache = path.resolve(cacheRoot, cacheExtra)
  // *** ^^^ Copied this stuff out of npmconf **********************

  var config = rc('npmd', {
    dbPath: path.join(process.env.HOME, '.npmd'),

var path = require('path');
var fs = require('graceful-fs');
var optimist = require('optimist');
var osenv = require('osenv');
var object = require('mout/object');
var string = require('mout/string');
var paths = require('./paths');
var defaults = require('./defaults');

var win = process.platform === 'win32';
var home = osenv.home();

function rc(name, cwd, argv) {
    var argvConfig;

    argv = argv || optimist.argv;

    // Parse --config.foo=false
    argvConfig = object.map(argv.config || {}, function (value) {
        return value === 'false' ? false : value;
    });

    // If we have specified a cwd then use this as the base for getting config.
    cwd = argvConfig.cwd ? argvConfig.cwd : cwd;

    if (cwd) {
        return object.deepMixIn.apply(null, [

var path = require('path');
var fs = require('graceful-fs');
var optimist = require('optimist');
var osenv = require('osenv');
var object = require('mout/object');
var string = require('mout/string');
var paths = require('./paths');
var defaults = require('./defaults');

var win = process.platform === 'win32';
var home = osenv.home();

function rc(name, cwd, argv) {
    var argvConfig;

    argv = argv || optimist.argv;

    // Parse --config.foo=false
    argvConfig = object.map(argv.config || {}, function(value) {
        return value === 'false' ? false : value;
    });

    // If we have specified a cwd then use this as the base for getting config.
    cwd = argvConfig.cwd ? argvConfig.cwd : cwd;

    if (cwd) {
        return object.deepMixIn.apply(null, [

function withTmp (opts, cb) {
  if (opts.cache) {
    // cacache has a special facility for working in a tmp dir
    return cache.tmp.withTmp(opts.cache, {tmpPrefix: 'git-clone'}, cb)
  } else {
    const tmpDir = path.join(osenv.tmpdir(), 'pacote-git-tmp')
    const tmpName = uniqueFilename(tmpDir, 'git-clone')
    const tmp = mkdirp(tmpName).then(() => tmpName).disposer(rimraf)
    return BB.using(tmp, cb)
  }
}

function withTmp (opts, cb) {
  if (opts.cache) {
    // cacache has a special facility for working in a tmp dir
    return cacache.tmp.withTmp(opts.cache, { tmpPrefix: 'git-clone' }, cb)
  } else {
    const tmpDir = path.join(osenv.tmpdir(), 'pacote-git-tmp')
    const tmpName = uniqueFilename(tmpDir, 'git-clone')
    const tmp = mkdirp(tmpName).then(() => tmpName).disposer(rimraf)
    return BB.using(tmp, cb)
  }
}

static setResolveLoaderPath(runtime) {
        const jbRuntime = runtime || 'runtime-now-6';
        const resolveLoaderPath = path.join(osenv.home(), './.feflow/node_modules');
        // Loader在捷豹平台的查找路径
        const jbLoaderPath = `/data/frontend/install/AlloyDist/${jbRuntime}/node_modules`;

        return {
            modules: [
                path.resolve(__dirname, "../node_modules"),
                resolveLoaderPath,
                jbLoaderPath,
            ]
        };
    }
}

var test = require('tape')
var level = require('..')
var path = require('path')
var bytewise = require('bytewise')
var tmpdir = require('osenv').tmpdir()
var datadir = path.join(tmpdir, 'level-party-' + Math.random())

var lopts = { keyEncoding: bytewise, valueEncoding: 'json' }

test('bytewise key encoding', function (t) {
  t.plan(7)
  var adb = level(datadir, lopts)
  var bdb = level(datadir, lopts)
  var value = Math.floor(Math.random() * 100000)

  adb.put(['a'], value, function (err) {
    t.ifError(err)

    bdb.get(['a'], function (err, x) {
      t.ifError(err)
      t.equal(x, value)

var test = require('tape');
var level = require('../');
var path = require('path');
var bsub = require('level-sublevel/bytewise');
var os = require('os');
var tmpdir = require('osenv').tmpdir();
var datadir = path.join(tmpdir, 'level-party-' + Math.random());
var bytewise = require('bytewise');

var lopts = { keyEncoding: bytewise, valueEncoding: 'json' };

test('bytewise sublevel', function (t) {
    t.plan(5);
    var a = level(datadir);
    var b = level(datadir);
    var adb = bsub(a, lopts);
    var bdb = bsub(b, lopts);
    var value = Math.floor(Math.random() * 100000);
    
    adb.put([ 'a' ], value, function (err) {
        if (err) t.fail(err);
        var times = 0;

var test = require('tape');
var level = require('../');
var path = require('path');
var sub = require('level-sublevel');
var os = require('os');
var tmpdir = require('osenv').tmpdir();
var datadir = path.join(tmpdir, 'level-party-' + Math.random());

test('sublevel', function (t) {
    t.plan(6);
    var db = level(datadir);
    var sdb = sub(db);
    var a = sdb.sublevel('aaa', { valueEncoding: 'json' });
    var b = sdb.sublevel('bbb', { valueEncoding: 'json' });
    
    var value = Math.floor(Math.random() * 100000);
    
    a.put('x', value, function (err) {
        t.ifError(err);
        
        a.get('x', function (err, x) {
            t.ifError(err);

"use strict";

var abstract = require("./abstract");
var LevelUp = require("../../").persistence.LevelUp;
var async = require("async");
var tmpdir = require("osenv").tmpdir();
var path = require("path");
var rimraf = require("rimraf");

describe("mosca.persistence.LevelUp", function() {

  this.timeout(4000);

  var opts = {
    ttl: {
      subscriptions: 250,
      packets: 250
    }
  };

  abstract(LevelUp, function(cb) {
    var that = this;