huginn/app/assets/javascripts/components/json-editor.js.erb

window.setupJsonEditor = function ($editors) {
  if ($editors == null) {
    $editors = $(".live-json-editor");
  }
  JSONEditor.prototype.ADD_IMG = "<%= image_path 'json-editor/add.png' %>";
  JSONEditor.prototype.DELETE_IMG = "<%= image_path 'json-editor/delete.png' %>";
  const editors = [];
  $editors.each(function () {
    const $editor = $(this);
    const jsonEditor = new JSONEditor(
      $editor,
      $editor.data("width") || 400,
      $editor.data("height") || 500
    );
    jsonEditor.doTruncation(true);
    jsonEditor.showFunctionButtons();
    return editors.push(jsonEditor);
  });
  return editors;
};

$(() => (window.jsonEditor = setupJsonEditor()[0]));