gatsby-core-utils/dist/path.mjs

A collection of gatsby utils used in different gatsby packages

import path from "path";
import os from "os";

/**
 * Joins all given path segments and converts
 * @param paths A sequence of path segments
 */
export function joinPath(...paths) {
  const joinedPath = path.join(...paths);
  if (os.platform() === `win32`) {
    return joinedPath.replace(/\\/g, `\\\\`);
  }
  return joinedPath;
}

// copied from https://runpkg.com/?pretty-error@2.1.1/lib/nodePaths.js
// and added `^internal/` test
const nodePaths = [/^_debugger.js$/, /^_http_agent.js$/, /^_http_client.js$/, /^_http_common.js$/, /^_http_incoming.js$/, /^_http_outgoing.js$/, /^_http_server.js$/, /^_linklist.js$/, /^_stream_duplex.js$/, /^_stream_passthrough.js$/, /^_stream_readable.js$/, /^_stream_transform.js$/, /^_stream_writable.js$/, /^_tls_legacy.js$/, /^_tls_wrap.js$/, /^assert.js$/, /^buffer.js$/, /^child_process.js$/, /^cluster.js$/, /^console.js$/, /^constants.js$/, /^crypto.js$/, /^dgram.js$/, /^dns.js$/, /^domain.js$/, /^events.js$/, /^freelist.js$/, /^fs.js$/, /^http.js$/, /^https.js$/, /^module.js$/, /^net.js$/, /^os.js$/, /^path.js$/, /^punycode.js$/, /^querystring.js$/, /^readline.js$/, /^repl.js$/, /^smalloc.js$/, /^stream.js$/, /^string_decoder.js$/, /^sys.js$/, /^timers.js$/, /^tls.js$/, /^tty.js$/, /^url.js$/, /^util.js$/, /^vm.js$/, /^zlib.js$/, /^node.js$/, /^internal[/\\]/];

/**
 * Checks if the file name matches a node path
 * @param fileName File name
 */
export const isNodeInternalModulePath = fileName => nodePaths.some(regTest => regTest.test(fileName));

/**
 * Convert Windows backslash paths to slash paths: foo\\bar ➔ foo/bar
 *
 * @param  path
 * @return  slashed path
 */
export function slash(path) {
  const isExtendedLengthPath = /^\\\\\?\\/.test(path);
  if (isExtendedLengthPath) {
    return path;
  }
  return path.replace(/\\/g, `/`);
}