Function identifier

lib/web/jshint.js:20448–20485

(fnparam, prop)

  // argument
  // prop means that this identifier is that of an object property
  function identifier(fnparam, prop) {
    var i = optionalidentifier(fnparam, prop, false);
    if (i) {
      return i;
    }

    // parameter destructuring with rest operator
    if (state.tokens.next.value === "...") {
      if (!state.inES6(true)) {
        warning("W119", state.tokens.next, "spread/rest operator", "6");
      }
      advance();

      if (checkPunctuator(state.tokens.next, "...")) {
        warning("E024", state.tokens.next, "...");
        while (checkPunctuator(state.tokens.next, "...")) {
          advance();
        }
      }

      if (!state.tokens.next.identifier) {
        warning("E024", state.tokens.curr, state.tokens.next.id);
        return;
      }

      return identifier(fnparam, prop);
    } else {
      error("E030", state.tokens.next, state.tokens.next.value);

      // The token should be consumed after a warning is issued so the parser
      // can continue as though an identifier were found. The semicolon token
      // should not be consumed in this way so that the parser interprets it as
      // a statement delimeter;
      if (state.tokens.next.id !== ";") {
        advance();
      }
    }
  }


  function reachable(controlToken) {