William Valentin
38 lines
1.1 KiB
TypeScript
38 lines
1.1 KiB
TypeScript
import { readFileSync } from 'fs';
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import { parse } from 'yaml';
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import { configSchema, type Config } from './schema.js';
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function expandEnvVars(value: string): string {
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return value.replace(/\$\{([^}]+)\}/g, (_, envVar) => {
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const envValue = process.env[envVar];
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if (envValue === undefined) {
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throw new Error(`Environment variable ${envVar} is not set`);
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}
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return envValue;
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});
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}
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function expandEnvVarsInObject(obj: unknown): unknown {
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if (typeof obj === 'string') {
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return expandEnvVars(obj);
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}
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if (Array.isArray(obj)) {
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return obj.map(expandEnvVarsInObject);
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}
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if (obj !== null && typeof obj === 'object') {
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const result: Record<string, unknown> = {};
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for (const [key, value] of Object.entries(obj)) {
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result[key] = expandEnvVarsInObject(value);
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}
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return result;
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}
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return obj;
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}
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export function loadConfig(configPath: string): Config {
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const rawContent = readFileSync(configPath, 'utf-8');
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const rawConfig = parse(rawContent);
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const expandedConfig = expandEnvVarsInObject(rawConfig);
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return configSchema.parse(expandedConfig);
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}
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