cic-internal-integration/apps/cic-meta/src/config.ts

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2021-02-08 18:31:29 +01:00
import * as fs from 'fs';
import * as ini from 'ini';
import * as path from 'path';
class Config {
filepath: string
store: Object
censor: Array<string>
require: Array<string>
env_prefix: string
constructor(filepath:string, env_prefix?:string) {
this.filepath = filepath;
this.store = {};
this.censor = [];
this.require = [];
this.env_prefix = '';
if (env_prefix !== undefined) {
this.env_prefix = env_prefix + "_";
}
}
public process() {
const d = fs.readdirSync(this.filepath);
const r = /.*\.ini$/;
for (let i = 0; i < d.length; i++) {
const f = d[i];
if (!f.match(r)) {
return;
}
const fp = path.join(this.filepath, f);
const v = fs.readFileSync(fp, 'utf-8');
const inid = ini.decode(v);
const inik = Object.keys(inid);
for (let j = 0; j < inik.length; j++) {
const k_section = inik[j]
const k = k_section.toUpperCase();
Object.keys(inid[k_section]).forEach((k_directive) => {
const kk = k_directive.toUpperCase();
const kkk = k + '_' + kk;
let r = inid[k_section][k_directive];
const k_env = this.env_prefix + kkk
const env = process.env[k_env];
if (env !== undefined) {
console.debug('Environment variable ' + k_env + ' overrides ' + kkk);
r = env;
}
this.store[kkk] = r;
});
}
}
}
public get(s:string) {
return this.store[s];
}
public toString() {
let s = '';
Object.keys(this.store).forEach((k) => {
s += k + '=' + this.store[k] + '\n';
});
return s;
}
}
export { Config };