energylink/public/app/features/templating/variable.ts

import kbn from "app/core/utils/kbn";
import { assignModelProperties } from "app/core/utils/model_utils";

export interface Variable {
  setValue(option);
  updateOptions();
  dependsOn(variable);
  setValueFromUrl(urlValue);
  getValueForUrl();
  getSaveModel();
}

export var variableTypes = {};
export { assignModelProperties };

export function containsVariable(...args: any[]) {
  var variableName = args[args.length - 1];
  var str = args[0] || "";

  for (var i = 1; i < args.length - 1; i++) {
    str += " " + args[i] || "";
  }

  variableName = kbn.regexEscape(variableName);
  var findVarRegex = new RegExp(
    "\\$(" + variableName + ")(?:\\W|$)|\\[\\[(" + variableName + ")\\]\\]",
    "g"
  );
  var match = findVarRegex.exec(str);
  return match !== null;
}