Function blockVariableStatement

lib/web/jshint.js:22477–22579

(type, statement, context)

  }

  function blockVariableStatement(type, statement, context) {
    // used for both let and const statements

    var prefix = context && context.prefix;
    var inexport = context && context.inexport;
    var isLet = type === "let";
    var isConst = type === "const";
    var tokens, lone, value, letblock;

    if (!state.inES6()) {
      warning("W104", state.tokens.curr, type, "6");
    }

    if (isLet && state.tokens.next.value === "(") {
      if (!state.inMoz()) {
        warning("W118", state.tokens.next, "let block");
      }
      advance("(");
      state.funct["(scope)"].stack();
      letblock = true;
    } else if (state.funct["(noblockscopedvar)"]) {
      error("E048", state.tokens.curr, isConst ? "Const" : "Let");
    }

    statement.first = [];
    for (;;) {
      var names = [];
      if (_.contains(["{", "["], state.tokens.next.value)) {
        tokens = destructuringPattern();
        lone = false;
      } else {
        tokens = [ { id: identifier(), token: state.tokens.curr } ];
        lone = true;
      }

      if (!prefix && isConst && state.tokens.next.id !== "=") {
        warning("E012", state.tokens.curr, state.tokens.curr.value);
      }

      for (var t in tokens) {
        if (tokens.hasOwnProperty(t)) {
          t = tokens[t];
          if (state.funct["(scope)"].block.isGlobal()) {
            if (predefined[t.id] === false) {
              warning("W079", t.token, t.id);
            }
          }
          if (t.id && !state.funct["(noblockscopedvar)"]) {
            state.funct["(scope)"].addlabel(t.id, {
              type: type,
              token: t.token });
            names.push(t.token);
          }
        }
      }

      if (state.tokens.next.id === "=") {
        advance("=");