@neo4j-cypher/editor-support/es/completion/rules/ruleParamStartsWithDollar.js

Core functionality to support Cypher integration into editors

import * as CompletionTypes from "../CompletionTypes";
export default (element => {
  const text = element.getText();
  if (text === "$") {
    return [{
      type: CompletionTypes.PARAMETER
    }];
  }
  return [];
});