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import * as fs from 'fs';
import * as os from 'os';
import type { IStore } from '../../lib';
import { type EnvKey, StoreGlobal, type StoreItem } from './Global';
import { CoreLogChannel } from '../../classes';
import type { GlobalFolder } from '../../CoreKernel';
export type EnvStoreCProps = {
log?: CoreLogChannel;
pathOverride?: string;
envFilePath?: string;
loadFromLocalEnv?: boolean;
appName?: string;
globalFolder?: GlobalFolder[];
};
/**
* Configuration options for initializing an EnvStoreC instance.
*
* The configuration object accepts the following properties:
*
* * `log` – A {@link CoreLogChannel} instance used for logging.
* * `pathOverride` – Optional custom path that overrides the default store location.
* * `envFilePath` – Optional path to a `.env` file from which environment variables can be loaded.
* * `loadFromLocalEnv` – Optional boolean indicating whether to load variables from the local environment.
* * `appName` – Optional name of the application associated with the store.
*
* All properties except `log` are optional. The object is passed to the
* constructor of EnvStoreC to configure its behavior.
*/
export default class EnvStore implements IStore {
store: Map<EnvKey, StoreItem>;
log: CoreLogChannel | undefined;
constructor(props?: EnvStoreCProps) {
this.store = new Map<EnvKey, StoreItem>();
this.log = props?.log;
this.initNew(props);
}
loadLocalEnv() {
const lEnv: Record<string, any> = {
...process.env,
};
const lKeyRing = Object.keys(lEnv);
for (const key of lKeyRing) {
Eif (key) {
this.set(key, lEnv[key]);
}
}
}
initNew(props?: EnvStoreCProps): void {
const { envFilePath, pathOverride, loadFromLocalEnv, appName } =
props ?? {};
this.clear();
const root = envFilePath ?? process.env.npm_config_local_prefix;
Eif (root) {
const path = Path.join(root, '.env');
if (fs.existsSync(path)) {
this.loadFromFile(path);
} else {
this.log?.warn(`Cant load env from ${path}`);
}
}
if (loadFromLocalEnv) {
this.loadLocalEnv();
}
this.setBulk(
[StoreGlobal.GLOBAL_OS, os.platform()],
[StoreGlobal.GLOBAL_ARCH, os.arch()],
[StoreGlobal.GLOBAL_HOME_DIR, os.homedir()],
[StoreGlobal.GLOBAL_HOST_NAME, os.hostname()],
);
if (appName) {
const base = pathOverride
? Path.join(pathOverride, appName)
: Path.join(process.cwd(), 'data', 'config', appName);
this.setBulk(
[StoreGlobal.GLOBAL_PATH_HOME, base],
[StoreGlobal.GLOBAL_PATH_DATA, Path.join(base, 'data')],
[StoreGlobal.GLOBAL_PATH_DB, Path.join(base, 'db')],
[StoreGlobal.GLOBAL_PATH_TEMP, Path.join(base, 'temp')],
);
props?.globalFolder?.forEach(({ storeKey, folderName, base: b }) => {
if (b === 'root') {
this.set(
`GLOBAL_FOLDER_${storeKey.toUpperCase()}`,
Path.join(process.cwd(), folderName),
);
} else {
this.set(
`GLOBAL_FOLDER_${storeKey.toUpperCase()}`,
Path.join(base, folderName),
);
}
});
}
if (process.env.npm_package_version) {
this.set(StoreGlobal.GLOBAL_APP_VERSION, process.env.npm_package_version);
} else {
this.set(StoreGlobal.GLOBAL_APP_VERSION, '0.0.0');
}
}
clear(): void {
this.store = new Map<EnvKey, StoreItem>();
}
get(key: EnvKey, defaultValue = ''): StoreItem {
return this.store.get(key) ?? defaultValue;
}
has(key: EnvKey): boolean {
return this.store.has(key);
}
delete(key: EnvKey): boolean {
return this.store.delete(key);
}
set(key: EnvKey, value: StoreItem): void {
this.store.set(key, value);
}
setBulk(...list: [EnvKey, StoreItem][]): void {
for (const [key, value] of list) {
this.store.set(key, value);
}
}
getBulk(...list: [EnvKey, string?][]): StoreItem[] {
return list.map(([key, value]) => this.get(key, value));
}
/**
* Retrieves the value of a global folder constant.
*
* @param {string} folder - The name of the folder to retrieve.
* @returns {string} The value of the global folder constant.
*/
gf(folder: string): string {
return this.get(`GLOBAL_FOLDER_${folder.toUpperCase()}`)!;
}
private loadFromFile(path: string) {
this.log?.log(`Load env from ${path}`);
const env = fs.readFileSync(path).toString('utf-8');
const lines = env.split('\n');
lines.forEach((line) => {
if (line.startsWith('#')) {
return;
}
const split = line.indexOf('=');
if (split > 0) {
const key = line.substring(0, split).trim();
const value = line.substring(split + 1).trim();
this.store.set(key, value);
}
});
}
}
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