1 | 'use strict';
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2 | const path = require('path');
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3 | const os = require('os');
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4 | const fs = require('graceful-fs');
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5 | const makeDir = require('make-dir');
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6 | const xdgBasedir = require('xdg-basedir');
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7 | const writeFileAtomic = require('write-file-atomic');
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8 | const dotProp = require('dot-prop');
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9 | const uniqueString = require('unique-string');
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10 |
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11 | const configDir = xdgBasedir.config || path.join(os.tmpdir(), uniqueString());
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12 | const permissionError = 'You don\'t have access to this file.';
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13 | const makeDirOptions = {mode: 0o0700};
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14 | const writeFileOptions = {mode: 0o0600};
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15 |
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16 | class Configstore {
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17 | constructor(id, defaults, opts) {
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18 | opts = opts || {};
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19 |
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20 | const pathPrefix = opts.globalConfigPath ?
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21 | path.join(id, 'config.json') :
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22 | path.join('configstore', `${id}.json`);
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23 |
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24 | this.path = path.join(configDir, pathPrefix);
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25 | this.all = Object.assign({}, defaults, this.all);
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26 | }
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27 |
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28 | get all() {
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29 | try {
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30 | return JSON.parse(fs.readFileSync(this.path, 'utf8'));
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31 | } catch (err) {
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32 |
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33 | if (err.code === 'ENOENT') {
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34 | makeDir.sync(path.dirname(this.path), makeDirOptions);
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35 | return {};
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36 | }
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37 |
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38 |
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39 | if (err.code === 'EACCES') {
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40 | err.message = `${err.message}\n${permissionError}\n`;
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41 | }
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42 |
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43 |
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44 | if (err.name === 'SyntaxError') {
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45 | writeFileAtomic.sync(this.path, '', writeFileOptions);
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46 | return {};
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47 | }
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48 |
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49 | throw err;
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50 | }
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51 | }
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52 |
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53 | set all(val) {
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54 | try {
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55 |
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56 | makeDir.sync(path.dirname(this.path), makeDirOptions);
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57 |
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58 | writeFileAtomic.sync(this.path, JSON.stringify(val, null, '\t'), writeFileOptions);
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59 | } catch (err) {
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60 |
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61 | if (err.code === 'EACCES') {
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62 | err.message = `${err.message}\n${permissionError}\n`;
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63 | }
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64 |
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65 | throw err;
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66 | }
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67 | }
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68 |
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69 | get size() {
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70 | return Object.keys(this.all || {}).length;
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71 | }
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72 |
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73 | get(key) {
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74 | return dotProp.get(this.all, key);
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75 | }
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76 |
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77 | set(key, val) {
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78 | const config = this.all;
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79 |
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80 | if (arguments.length === 1) {
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81 | for (const k of Object.keys(key)) {
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82 | dotProp.set(config, k, key[k]);
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83 | }
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84 | } else {
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85 | dotProp.set(config, key, val);
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86 | }
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87 |
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88 | this.all = config;
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89 | }
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90 |
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91 | has(key) {
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92 | return dotProp.has(this.all, key);
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93 | }
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94 |
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95 | delete(key) {
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96 | const config = this.all;
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97 | dotProp.delete(config, key);
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98 | this.all = config;
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99 | }
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100 |
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101 | clear() {
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102 | this.all = {};
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103 | }
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104 | }
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105 |
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106 | module.exports = Configstore;
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