Function parseEnvVars

src/parse-env-file.ts:71–95

(envString: string)

 * Parse out all env vars from an env file string
 */
export function parseEnvVars(envString: string): Environment {
  const envParseRegex = /^((.+?)[=](.*))$/gim
  const matches: Environment = {}
  let match
  while ((match = envParseRegex.exec(envString)) !== null) {
    // Note: match[1] is the full env=var line
    const key = match[2].trim()
    let value = match[3].trim()

    // if the string is quoted, remove everything after the final
    // quote. This implicitly removes inline comments.
    if (value.startsWith("'") || value.startsWith('"')) {
      value = value.slice(1, value.lastIndexOf(value[0]));
    } else {
      // if the string is not quoted, we need to explicitly remove
      // inline comments.
      value = value.split('#')[0].trim();
    }

    value = value.replace(/\\n/g, '\n');

    matches[key] = value
  }
  return JSON.parse(JSON.stringify(matches)) as Environment
}

/**
 * Strips out comments from env file string