FastGPT/sdk/otel/src/env-utils.ts

export type EnvValue = string | boolean | number | undefined;

export function parseBooleanEnv(value: EnvValue, defaultValue: boolean) {
  if (typeof value === 'boolean') return value;
  if (typeof value === 'number') return value !== 0;
  if (typeof value !== 'string' || !value) return defaultValue;

  const normalized = value.trim().toLowerCase();
  if (['1', 'true', 'yes', 'on'].includes(normalized)) return true;
  if (['0', 'false', 'no', 'off'].includes(normalized)) return false;

  return defaultValue;
}

export function parseNumberEnv(value: EnvValue, defaultValue: number) {
  if (typeof value === 'number' && Number.isFinite(value)) return value;
  if (typeof value !== 'string') return defaultValue;

  const parsed = Number(value);
  return Number.isFinite(parsed) ? parsed : defaultValue;
}

export function parsePositiveNumberEnv(value: EnvValue, defaultValue: number) {
  const parsed = parseNumberEnv(value, defaultValue);
  return parsed > 0 ? parsed : defaultValue;
}

export function parseStringEnv(value: EnvValue): string | undefined {
  if (typeof value !== 'string') return undefined;
  const trimmed = value.trim();
  return trimmed.length > 0 ? trimmed : undefined;
}