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configstore
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index.js
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'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, opts) { opts = opts || {}; const pathPrefix = opts.globalConfigPath ? path.join(id, 'config.json') : path.join('configstore', `${id}.json`); this.path = path.join(configDir, pathPrefix); this.all = Object.assign({}, defaults, this.all); } get all() { try { return JSON.parse(fs.readFileSync(this.path, 'utf8')); } catch (err) { // Create dir if it doesn't exist if (err.code === 'ENOENT') { makeDir.sync(path.dirname(this.path), makeDirOptions); return {}; } // Improve the message of permission errors if (err.code === 'EACCES') { err.message = `${err.message}\n${permissionError}\n`; } // Empty the file if it encounters invalid JSON if (err.name === 'SyntaxError') { writeFileAtomic.sync(this.path, '', writeFileOptions); return {}; } throw err; } } set all(val) { try { // Make sure the folder exists as it could have been deleted in the meantime makeDir.sync(path.dirname(this.path), makeDirOptions); writeFileAtomic.sync(this.path, JSON.stringify(val, null, '\t'), writeFileOptions); } catch (err) { // Improve the message of permission errors if (err.code === 'EACCES') { err.message = `${err.message}\n${permissionError}\n`; } throw err; } } get size() { return Object.keys(this.all || {}).length; } get(key) { return dotProp.get(this.all, key); } set(key, val) { 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, val); } 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;