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import { Command } from "./command.ts";import { log } from "./logger.ts";import { EnvironmentVariables } from "./scripts_config.ts";
const envCache: Record<string, EnvironmentVariables> = {};
export function getEnvVars(cmd: Command): EnvironmentVariables | undefined {  const envVars: EnvironmentVariables = {};  if (cmd.envFile) {    if (Array.isArray(cmd.envFile)) {      for (const file of cmd.envFile) {        Object.assign(envVars, parseEnvFile(file));      }    } else {      Object.assign(envVars, parseEnvFile(cmd.envFile));    }  }  if (cmd.env && Object.entries(cmd.env).length > 0) {    Object.assign(envVars, stringifyEnv(cmd.env));  }  if (Object.entries(envVars).length > 0) {    return envVars;  }}
function parseEnvFile(envFile: string): EnvironmentVariables {  if (envCache[envFile]) {    return envCache[envFile];  }  try {    const buffer: Uint8Array = Deno.readFileSync(envFile);    return envCache[envFile] = new TextDecoder()      .decode(buffer)      .split(/\r?\n/g)      .reduce((env: EnvironmentVariables, line: string) => {        line = line.trim();        if (line && line !== "#") {          const [name, value] = line            .replace(/^export\s+/, "")            .split("=", 2)            .map((val: string) => val.trim());          env[name] = stripeQuotes(value);        }        return env;      }, {});  } catch (error) {    if (error instanceof Deno.errors.NotFound) {      log.error(`envFile not found: ${envFile}`);    } else {      log.error(`Failed to parse envFile: ${envFile}`);    }    throw error;  }}
function stripeQuotes(value: string) {  const first = value[0];  const last = value[value.length - 1];  if ((first === '"' || first === "'") && first === last) {    return value.slice(1, -1);  }  return value;}
function stringifyEnv(env: EnvironmentVariables): EnvironmentVariables {  for (let key in env) {    if (key in env) {      env[key] = String(env[key]);    }  }  return env;}