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