* first action! (#1)

node_modules/configstore/index.js

@@ -0,0 +1,106 @@
+'use strict';
+const path = require('path');
+const os = require('os');
+const fs = require('graceful-fs');
+const makeDir = require('make-dir');
+const xdgBasedir = require('xdg-basedir');
+const writeFileAtomic = require('write-file-atomic');
+const dotProp = require('dot-prop');
+const uniqueString = require('unique-string');
+
+const configDir = xdgBasedir.config || path.join(os.tmpdir(), uniqueString());
+const permissionError = 'You don\'t have access to this file.';
+const makeDirOptions = {mode: 0o0700};
+const writeFileOptions = {mode: 0o0600};
+
+class Configstore {
+	constructor(id, defaults, options = {}) {
+		const pathPrefix = options.globalConfigPath ?
+			path.join(id, 'config.json') :
+			path.join('configstore', `${id}.json`);
+
+		this.path = options.configPath || path.join(configDir, pathPrefix);
+
+		if (defaults) {
+			this.all = Object.assign({}, defaults, this.all);
+		}
+	}
+
+	get all() {
+		try {
+			return JSON.parse(fs.readFileSync(this.path, 'utf8'));
+		} catch (error) {
+			// Create directory if it doesn't exist
+			if (error.code === 'ENOENT') {
+				return {};
+			}
+
+			// Improve the message of permission errors
+			if (error.code === 'EACCES') {
+				error.message = `${error.message}\n${permissionError}\n`;
+			}
+
+			// Empty the file if it encounters invalid JSON
+			if (error.name === 'SyntaxError') {
+				writeFileAtomic.sync(this.path, '', writeFileOptions);
+				return {};
+			}
+
+			throw error;
+		}
+	}
+
+	set all(value) {
+		try {
+			// Make sure the folder exists as it could have been deleted in the meantime
+			makeDir.sync(path.dirname(this.path), makeDirOptions);
+
+			writeFileAtomic.sync(this.path, JSON.stringify(value, null, '\t'), writeFileOptions);
+		} catch (error) {
+			// Improve the message of permission errors
+			if (error.code === 'EACCES') {
+				error.message = `${error.message}\n${permissionError}\n`;
+			}
+
+			throw error;
+		}
+	}
+
+	get size() {
+		return Object.keys(this.all || {}).length;
+	}
+
+	get(key) {
+		return dotProp.get(this.all, key);
+	}
+
+	set(key, value) {
+		const config = this.all;
+
+		if (arguments.length === 1) {
+			for (const k of Object.keys(key)) {
+				dotProp.set(config, k, key[k]);
+			}
+		} else {
+			dotProp.set(config, key, value);
+		}
+
+		this.all = config;
+	}
+
+	has(key) {
+		return dotProp.has(this.all, key);
+	}
+
+	delete(key) {
+		const config = this.all;
+		dotProp.delete(config, key);
+		this.all = config;
+	}
+
+	clear() {
+		this.all = {};
+	}
+}
+
+module.exports = Configstore;