async function(filename) {
      if (!await fs.existsAsync(filename)) {
        return null;
      }
      var data = await fs.readFileAsync(filename, "utf8");
      try {
        return qx.tool.compiler.utils.Json.parseJson(data);
      } catch (ex) {
        throw new Error("Failed to load " + filename + ": " + ex);
      }
    }
async function(filename) {
      if (!await fs.existsAsync(filename)) {
        return null;
      }
      var data = await fs.readFileAsync(filename, "utf8");
      try {
        return qx.tool.compiler.utils.Json.parseJson(data);
      } catch (ex) {
        throw new Error("Failed to load " + filename + ": " + ex);
      }
    }
async function ( filename ) { if ( ! await fs . existsAsync ( filename ) ) { return null ; } var data = await fs . readFileAsync ( filename , "utf8" ) ; try { return qx . tool . compiler . utils . Json . parseJson ( data ) ; } catch ( ex ) { throw new Error ( "Failed to load " + filename + ": " + ex ) ; } }
Loads JSON data from a file and returns it as an object; if the file does not exist, then
null is returned

@param filename {String} the filename to load
@return {Object?} the parsed contents, or null if the file does not exist
Loads JSON data from a file and returns it as an object ; if the file does not exist then null is returned