101 lines
2.2 KiB
TypeScript
101 lines
2.2 KiB
TypeScript
const fs = require('fs');
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const path = require('path');
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const configPath = process.env.UNFURLER_CONFIG || './config.json';
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const absolutePath = path.resolve(configPath);
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let config;
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try {
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config = JSON.parse(fs.readFileSync(absolutePath, 'utf8'));
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} catch (e) {
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console.error(`Could not read config file ${absolutePath}: ${e}`);
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process.exit(-1);
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}
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interface IConfig {
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SERVER: {
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HOST: 'http://localhost';
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HTTP_PORT: number;
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STDOUT_LOG_MIN_PRIORITY: string;
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};
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MEMPOOL: {
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HTTP_HOST: string;
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HTTP_PORT: number;
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NETWORK?: string;
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};
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PUPPETEER: {
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ENABLED: boolean;
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CLUSTER_SIZE: number;
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EXEC_PATH?: string;
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MAX_PAGE_AGE?: number;
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RENDER_TIMEOUT?: number;
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};
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API: {
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MEMPOOL: string;
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ESPLORA: string;
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}
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SYSLOG: {
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ENABLED: boolean;
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HOST: string;
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PORT: number;
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MIN_PRIORITY: 'emerg' | 'alert' | 'crit' | 'err' | 'warn' | 'notice' | 'info' | 'debug';
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FACILITY: string;
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};
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}
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const defaults: IConfig = {
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'SERVER': {
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'HOST': 'http://localhost',
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'HTTP_PORT': 4201,
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'STDOUT_LOG_MIN_PRIORITY': 'debug',
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},
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'MEMPOOL': {
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'HTTP_HOST': 'http://localhost',
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'HTTP_PORT': 4200,
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},
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'PUPPETEER': {
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'ENABLED': true,
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'CLUSTER_SIZE': 1,
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},
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'API': {
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'MEMPOOL': 'https://mempool.space/api/v1',
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'ESPLORA': 'https://mempool.space/api',
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},
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'SYSLOG': {
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'ENABLED': true,
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'HOST': '127.0.0.1',
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'PORT': 514,
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'MIN_PRIORITY': 'info',
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'FACILITY': 'local7'
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},
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};
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class Config implements IConfig {
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SERVER: IConfig['SERVER'];
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MEMPOOL: IConfig['MEMPOOL'];
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PUPPETEER: IConfig['PUPPETEER'];
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API: IConfig['API'];
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SYSLOG: IConfig['SYSLOG'];
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constructor() {
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const configs = this.merge(config, defaults);
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this.SERVER = configs.SERVER;
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this.MEMPOOL = configs.MEMPOOL;
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this.PUPPETEER = configs.PUPPETEER;
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this.API = configs.API;
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this.SYSLOG = configs.SYSLOG;
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}
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merge = (...objects: object[]): IConfig => {
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// @ts-ignore
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return objects.reduce((prev, next) => {
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Object.keys(prev).forEach(key => {
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next[key] = { ...next[key], ...prev[key] };
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});
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return next;
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});
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}
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}
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export default new Config();
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