const dns = require('dns') const conditionalHeaders = [ 'if-modified-since', 'if-none-match', 'if-unmodified-since', 'if-match', 'if-range', ] const configureOptions = (opts) => { const { strictSSL, ...options } = { ...opts } options.method = options.method ? options.method.toUpperCase() : 'GET' options.rejectUnauthorized = strictSSL !== false if (!options.retry) { options.retry = { retries: 0 } } else if (typeof options.retry === 'string') { const retries = parseInt(options.retry, 10) if (isFinite(retries)) { options.retry = { retries } } else { options.retry = { retries: 0 } } } else if (typeof options.retry === 'number') { options.retry = { retries: options.retry } } else { options.retry = { retries: 0, ...options.retry } } options.dns = { ttl: 5 * 60 * 1000, lookup: dns.lookup, ...options.dns } options.cache = options.cache || 'default' if (options.cache === 'default') { const hasConditionalHeader = Object.keys(options.headers || {}).some((name) => { return conditionalHeaders.includes(name.toLowerCase()) }) if (hasConditionalHeader) { options.cache = 'no-store' } } // cacheManager is deprecated, but if it's set and // cachePath is not we should copy it to the new field if (options.cacheManager && !options.cachePath) { options.cachePath = options.cacheManager } return options } module.exports = configureOptions