112 lines
2.8 KiB
JavaScript
112 lines
2.8 KiB
JavaScript
'use strict';
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var path = require('path');
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var fs = require('graceful-fs');
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var osenv = require('osenv');
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var assign = require('object-assign');
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var mkdirp = require('mkdirp');
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var uuid = require('uuid');
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var xdgBasedir = require('xdg-basedir');
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var osTmpdir = require('os-tmpdir');
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var writeFileAtomic = require('write-file-atomic');
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var dotProp = require('dot-prop');
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var user = (osenv.user() || uuid.v4()).replace(/\\/g, '');
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var configDir = xdgBasedir.config || path.join(osTmpdir(), user, '.config');
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var permissionError = 'You don\'t have access to this file.';
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var defaultPathMode = parseInt('0700', 8);
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var writeFileOptions = {mode: parseInt('0600', 8)};
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function Configstore(id, defaults, opts) {
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opts = opts || {};
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var 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 = assign({}, defaults || {}, this.all || {});
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}
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Configstore.prototype = Object.create(Object.prototype, {
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all: {
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get: function () {
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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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mkdirp.sync(path.dirname(this.path), defaultPathMode);
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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: function (val) {
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try {
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// make sure the folder exists as it
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// could have been deleted in the meantime
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mkdirp.sync(path.dirname(this.path), defaultPathMode);
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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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},
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size: {
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get: function () {
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return Object.keys(this.all || {}).length;
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}
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}
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});
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Configstore.prototype.get = function (key) {
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return dotProp.get(this.all, key);
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};
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Configstore.prototype.set = function (key, val) {
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var config = this.all;
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if (arguments.length === 1) {
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Object.keys(key).forEach(function (k) {
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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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Configstore.prototype.has = function (key) {
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return dotProp.has(this.all, key);
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};
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Configstore.prototype.delete = Configstore.prototype.del = function (key) {
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var 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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Configstore.prototype.clear = function () {
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this.all = {};
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};
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module.exports = Configstore;
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