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import fs from 'fs';
import { mkdirpSync } from 'mkdirp';
import { userHomeDir } from '../utils/userHomeDir.js';
const REGISTRY_DEFAULT_OPTIONS = {
endpoint: '',
datadir: path.resolve(userHomeDir, 'aelf'),
password: '', // this is not suggested stored in config file
account: '' // the public address of aelf wallet, encoded with base58
};
const ENV_RC_KEYS = {
endpoint: 'AELF_CLI_ENDPOINT',
datadir: 'AELF_CLI_DATADIR',
account: 'AELF_CLI_ACCOUNT'
};
const rcHeader = '# THIS IS AN AUTOGENERATED FILE FOR AELF-COMMAND OPTIONS. DO NOT EDIT THIS FILE DIRECTLY.\n\n\n';
class Registry {
constructor() {
this.globalConfigLoc = path.resolve(userHomeDir, 'aelf/.aelfrc');
if (!fs.existsSync(path.resolve(userHomeDir, 'aelf'))) {
mkdirpSync(path.resolve(userHomeDir, 'aelf'));
}
/**
* AELF configuration object.
* @type {Object.<string, any>}
*/
this.aelfConfig = {};
this.init();
}
/**
* Retrieves file content or default content if file doesn't exist.
* @param {string} file - The file path.
* @param {string} [defaultContent] - Optional default content if file doesn't exist.
* @returns {*} The content of the file or default content.
*/
static getFileOrNot(file, defaultContent = '') {
if (fs.existsSync(file)) {
return fs.readFileSync(file).toString();
}
return defaultContent;
}
/**
* Retrieves file content or creates the file if it doesn't exist.
* @param {string} file - The file path.
* @returns {string} The file content or an empty string if the file is created.
*/
static getFileOrCreate(file) {
if (fs.existsSync(file)) {
return fs.readFileSync(file).toString();
}
fs.writeFileSync(file, rcHeader);
return '';
}
/**
* Loads configuration from provided content.
* @param {string} [content] - Optional content to load configuration from.
* @returns {Object.<string, any>} The loaded configuration object.
*/
static loadConfig(content = '') {
const result = {};
content
.split('\n')
.filter(v => !v.startsWith('#') && v.length > 0)
.forEach(v => {
const [key, value] = v.split(' ');
result[key] = value;
});
return result;
}
/**
* Retrieves configuration from environment variables.
* @returns {Object.<string, any>} The configuration object retrieved from environment variables.
*/
static getConfigFromEnv() {
const result = {};
Object.entries(ENV_RC_KEYS).forEach(([key, value]) => {
if (process.env[value]) {
result[key] = process.env[value];
}
});
return result;
}
/**
* Converts a one-level object into an array of content.
* @param {Object.<string, any>} [obj] - The object to stringify.
* @returns {string[]} Array of content from the object's fields.
*/
static stringify(obj = {}) {
let result = Object.entries(obj).map(([key, value]) => `${key} ${value}`);
result = rcHeader.split('\n').concat(result);
return result;
}
/**
* Initializes and retrieves initial configuration options.
* @returns {{ endpoint: string, datadir: string, password: string, account: string }} Initial configuration values.
*/
init() {
const pwdRc = Registry.loadConfig(Registry.getFileOrNot(path.resolve(process.cwd(), '.aelfrc')));
const globalRc = Registry.loadConfig(Registry.getFileOrCreate(this.globalConfigLoc));
const envRc = Registry.getConfigFromEnv();
const rc = {
...REGISTRY_DEFAULT_OPTIONS,
...envRc,
...globalRc,
...pwdRc
};
this.aelfConfig = rc;
return rc;
}
/**
* Retrieves a configuration option by key.
* @param {string} key - The option key.
* @returns {*} The value of the option.
*/
getOption(key) {
return this.aelfConfig[key];
}
/**
* Sets a configuration option.
* @param {string} key - The option key.
* @param {*} value - The value to set.
*/
setOption(key, value) {
this.aelfConfig[key] = value;
}
/**
* Saves an option to configuration file.
* @param {string} key - The option key.
* @param {*} value - The value to save.
* @param {*} [filePath] - Optional file path to save configuration.
* @returns {*} Result of saving operation.
*/
saveOption(key, value, filePath = this.globalConfigLoc) {
this.aelfConfig[key] = value;
const rc = Registry.loadConfig(Registry.getFileOrCreate(filePath));
rc[key] = value;
return fs.writeFileSync(filePath, `${Registry.stringify(rc).join('\n')}\n`);
}
/**
* Deletes a configuration key from file.
* @param {string} key - The option key to delete.
* @param {*} [filePath] - Optional file path to delete from.
* @returns {*} Result of deletion operation.
*/
deleteConfig(key, filePath = this.globalConfigLoc) {
const rc = Registry.loadConfig(Registry.getFileOrCreate(filePath));
delete rc[key];
return fs.writeFileSync(filePath, `${Registry.stringify(rc).join('\n')}\n`);
}
/**
* Retrieves configurations from file.
* @param {string} [filePath] - Optional file path to retrieve configurations.
* @returns {Object.<string, any>} The configurations retrieved from file.
*/
getFileConfigs(filePath = this.globalConfigLoc) {
return Registry.loadConfig(Registry.getFileOrCreate(filePath));
}
/**
* Retrieves all configurations.
* @returns {Object.<string, any>} All configurations.
*/
getConfigs() {
return this.aelfConfig;
}
}
export default Registry;
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