* chore(tests): update event assert functions to pass in types directly
* refactor: move event types from prototypes to constructors
* refactor: convert events/events_block_change.js to ES6 class
* refactor: convert events/events_block_create.js to ES6 class
* refactor: convert events/events_block_delete.js to ES6 class
* refactor: convert events/events_block_drag.js to ES6 class
* refactor: convert events/events_block_move.js to ES6 class
* refactor: convert events/events_click.js to ES6 class
* refactor: convert events/events_comment_change.js to ES6 class
* refactor: convert events/events_comment_create.js to ES6 class
* refactor: convert events/events_comment_delete.js to ES6 class
* refactor: convert events/events_comment_move.js to ES6 class
* refactor: convert events/events_marker_move.js to ES6 class
* refactor: convert events/events_selected.js to ES6 class
* refactor: convert events/events_theme_change.js to ES6 class
* refactor: convert events/events_toolbox_item_select.js to ES6 class
* refactor: convert events/events_trashcan_open.js to ES6 class
* refactor: convert events/events_ui.js to ES6 class
* refactor: convert events/events_var_create.js to ES6 class
* refactor: convert events/events_var_delete.js to ES6 class
* refactor: convert events/events_var_rename.js to ES6 class
* refactor: convert events/events_viewport.js to ES6 class
* chore: rebuild
* chore: run clang-format