smex.js

/**
 * Read a command from the minibuffer fuzzily
 */
minibuffer.prototype.read_command_fuzzy = function () {
  keywords(
    arguments,
    $prompt = "Command", $history = "command",
    $completer = all_word_completer (
      $completions = function (visitor) {
        for (let [k,v] in Iterator(interactive_commands)) {
          visitor(v);
        }
      },
      $get_string = function (x) x.name,
        //$get_description = function (x) x.shortdoc || "",
      $get_value = function (x) x.name),
      $match_required,
      $select,
      //$space_completes,
      $auto_complete_initial,
      $auto_complete = true,
      $auto_complete_delay = 50
      
  );
    var result = yield this.read(forward_keywords(arguments));
  yield co_return(result);
};


/**
 * Read and call command with fuzzy matching
 * > searching for entering 'f char' will match forward-char
 */
interactive("smex",
            "Call a command specified in the minibuffer.",
            function (I) {
              var prefix = I.P;
              var boc = I.browser_object;
              var prompt = ">>> ";
                
              if (boc)
                prompt += ' ['+boc.name+']';
              if (prefix !== null && prefix !== undefined) {
                if (typeof prefix == "object")
                  prompt += prefix[0] == 4 ? " C-u" : " "+prefix[0];
                else
                  prompt += " "+prefix;
              }
              var command = yield I.minibuffer.read_command_fuzzy($prompt = prompt);
              call_after_timeout(function () {
                input_handle_command.call(I.window, new command_event(command));
              }, 0);
            },
            $prefix = true);

define_key(content_buffer_normal_keymap, "o", "smex");

provide("smex");