@flex-development/pathe/dist/lib/basename.mjs

Universal drop-in replacement for node:path

import canParseURL from "#internal/can-parse-url";
import { DRIVE_PATH_REGEX } from "#internal/constants";
import validateString from "#internal/validate-string";
import validateURLString from "#internal/validate-url-string";
import delimiter from "#lib/delimiter";
import isSep from "#lib/is-sep";
import toPosix from "#lib/to-posix";
function basename(input, suffix) {
  if (suffix !== null && suffix !== void 0) {
    validateString(suffix, "suffix");
    suffix = toPosix(suffix);
  }
  validateURLString(input, "input");
  input = String(toPosix(input));
  let start = 0;
  let end = -1;
  let separator = true;
  if (canParseURL(input)) {
    start = input.lastIndexOf(new URL(input).pathname);
    if (start === -1) start = input.length;
    if (DRIVE_PATH_REGEX.test(input.slice(start + 1))) start++;
  }
  if (DRIVE_PATH_REGEX.test(input.slice(start))) {
    start = input.indexOf(delimiter, start) + 1;
  }
  if (typeof suffix === "string" && suffix.length && suffix.length <= input.length) {
    if (input === suffix) return "";
    let extIdx = suffix.length - 1;
    let firstNonSlashEnd = -1;
    for (let i = input.length - 1; i >= start; --i) {
      const char = input[i];
      if (isSep(char)) {
        if (!separator) {
          start = i + 1;
          break;
        }
      } else {
        if (firstNonSlashEnd === -1) {
          separator = false;
          firstNonSlashEnd = i + 1;
        }
        if (extIdx >= 0) {
          if (char === suffix[extIdx]) {
            if (--extIdx === -1) end = i;
          } else {
            extIdx = -1;
            end = firstNonSlashEnd;
          }
        }
      }
    }
    if (start === end) end = firstNonSlashEnd;
    else if (end === -1) end = input.length;
  } else {
    for (let i = input.length - 1; i >= start; --i) {
      if (isSep(input[i])) {
        if (!separator) {
          start = i + 1;
          break;
        }
      } else if (end === -1) {
        separator = false;
        end = i + 1;
      }
    }
    if (end === -1) return "";
  }
  return input.slice(start, end);
}
var basename_default = basename;
export {
  basename_default as default
};