Updated the Survey.

node_modules/global-dirs/index.js

@@ -0,0 +1,118 @@
+'use strict';
+const path = require('path');
+const os = require('os');
+const fs = require('fs');
+const ini = require('ini');
+
+const isWindows = process.platform === 'win32';
+
+const readRc = filePath => {
+	try {
+		return ini.parse(fs.readFileSync(filePath, 'utf8')).prefix;
+	} catch (_) {}
+};
+
+const getEnvNpmPrefix = () => {
+	return Object.keys(process.env).reduce((prefix, name) => {
+		return (/^npm_config_prefix$/i).test(name) ? process.env[name] : prefix;
+	}, undefined);
+};
+
+const getGlobalNpmrc = () => {
+	if (isWindows && process.env.APPDATA) {
+		// Hardcoded contents of `c:\Program Files\nodejs\node_modules\npm\npmrc`
+		return path.join(process.env.APPDATA, '/npm/etc/npmrc');
+	}
+
+	// Homebrew special case: `$(brew --prefix)/lib/node_modules/npm/npmrc`
+	if (process.execPath.includes('/Cellar/node')) {
+		const homebrewPrefix = process.execPath.slice(0, process.execPath.indexOf('/Cellar/node'));
+		return path.join(homebrewPrefix, '/lib/node_modules/npm/npmrc');
+	}
+
+	if (process.execPath.endsWith('/bin/node')) {
+		const installDir = path.dirname(path.dirname(process.execPath));
+		return path.join(installDir, '/etc/npmrc');
+	}
+};
+
+const getDefaultNpmPrefix = () => {
+	if (isWindows) {
+		// `c:\node\node.exe` → `prefix=c:\node\`
+		return path.dirname(process.execPath);
+	}
+
+	// `/usr/local/bin/node` → `prefix=/usr/local`
+	return path.dirname(path.dirname(process.execPath));
+};
+
+const getNpmPrefix = () => {
+	const envPrefix = getEnvNpmPrefix();
+	if (envPrefix) {
+		return envPrefix;
+	}
+
+	const homePrefix = readRc(path.join(os.homedir(), '.npmrc'));
+	if (homePrefix) {
+		return homePrefix;
+	}
+
+	if (process.env.PREFIX) {
+		return process.env.PREFIX;
+	}
+
+	const globalPrefix = readRc(getGlobalNpmrc());
+	if (globalPrefix) {
+		return globalPrefix;
+	}
+
+	return getDefaultNpmPrefix();
+};
+
+const npmPrefix = path.resolve(getNpmPrefix());
+
+const getYarnWindowsDirectory = () => {
+	if (isWindows && process.env.LOCALAPPDATA) {
+		const dir = path.join(process.env.LOCALAPPDATA, 'Yarn');
+		if (fs.existsSync(dir)) {
+			return dir;
+		}
+	}
+
+	return false;
+};
+
+const getYarnPrefix = () => {
+	if (process.env.PREFIX) {
+		return process.env.PREFIX;
+	}
+
+	const windowsPrefix = getYarnWindowsDirectory();
+	if (windowsPrefix) {
+		return windowsPrefix;
+	}
+
+	const configPrefix = path.join(os.homedir(), '.config/yarn');
+	if (fs.existsSync(configPrefix)) {
+		return configPrefix;
+	}
+
+	const homePrefix = path.join(os.homedir(), '.yarn-config');
+	if (fs.existsSync(homePrefix)) {
+		return homePrefix;
+	}
+
+	// Yarn supports the npm conventions but the inverse is not true
+	return npmPrefix;
+};
+
+exports.npm = {};
+exports.npm.prefix = npmPrefix;
+exports.npm.packages = path.join(npmPrefix, isWindows ? 'node_modules' : 'lib/node_modules');
+exports.npm.binaries = isWindows ? npmPrefix : path.join(npmPrefix, 'bin');
+
+const yarnPrefix = path.resolve(getYarnPrefix());
+exports.yarn = {};
+exports.yarn.prefix = yarnPrefix;
+exports.yarn.packages = path.join(yarnPrefix, getYarnWindowsDirectory() ? 'Data/global/node_modules' : 'global/node_modules');
+exports.yarn.binaries = path.join(exports.yarn.packages, '.bin');