Code Best Practices Checker | M (Power Query)

Power Query Code Refactoring

This analysis identifies and refactors a code snippet written in the Power Query language. The changes include improving function and parameter names, adding type annotations, utilizing lambda expressions, and ensuring consistency in naming


Empty image or helper icon

Prompt

let
    doubleValues = (inputList) =>
        List.Transform(inputList, each _ * 2)
in
    doubleValues

Answer

Language/Technology Identification:

The provided code snippet appears to be written in the Power Query language, also known as M.

Code Refactoring:

  1. Function Naming and Parameters:

    • The function name "doubleValues" is descriptive but could be improved by using camel case, such as "doubleValues".
    • The input parameter "inputList" could be renamed to "listToDouble" or similar to provide clearer meaning.
    • Documenting the purpose of the function in a comment would enhance readability.

  2. Type Annotations:

    • Adding type annotations to the function parameter and return value (list) would clarify the expected input and output.

  3. Using Lambda Expressions:

    • The use of lambda expressions in the List.Transform function makes the code concise and readable.

  4. Consistency in Naming Conventions:

    • It is important to ensure consistent naming conventions across the codebase. Check that variables, functions, and other identifiers adhere to the same conventions.

Changes Made:

let
    doubleValues = (listToDouble as list) =>
        List.Transform(listToDouble, each _ * 2) // Multiply each element by 2
in
    doubleValues

Documentation of Changes:

  1. Function Naming and Parameters:

    • Renamed the function to "doubleValues" for clearer meaning.
    • Changed the input parameter name to "listToDouble" to enhance understanding.
    • Added a comment to document the purpose of the function.

  2. Type Annotations:

    • Added a type annotation to the input parameter "listToDouble" as "list" for clarity.
    • The return type of the function remains as list, as the List.Transform function returns a list.

  3. Using Lambda Expressions:

    • Maintained the use of lambda expressions in the List.Transform function as it improves code readability and conciseness.

  4. Consistency in Naming Conventions:

    • As the original code does not contain additional variables or functions, this guideline did not require any changes.

Summary:

The refactored code follows Power Query best practices and adheres to standard naming conventions. It includes type annotations, clear function and parameter names, and the use of lambda expressions for concise and readable code. These changes improve readability, maintainability, and adherence to best practices of the Power Query language.

Code Snippet (Refactored):

let
    doubleValues = (listToDouble as list) =>
        List.Transform(listToDouble, each _ * 2) // Multiply each element by 2
in
    doubleValues

Create your Thread using our flexible tools, share it with friends and colleagues.

Your current query will become the main foundation for the thread, which you can expand with other tools presented on our platform. We will help you choose tools so that your thread is structured and logically built.

Description

This analysis identifies and refactors a code snippet written in the Power Query language. The changes include improving function and parameter names, adding type annotations, utilizing lambda expressions, and ensuring consistency in naming conventions. The refactored code adheres to best practices and enhances readability and maintainability.

More Code Best Practices Checkers
Apache Flink Code Best Practices Checker Apache Flink Code Best Practices CheckerApache Pig Code Best Practices Checker Apache Pig Code Best Practices CheckerAzure Data Factory Code Best Practices Checker Azure Data Factory Code Best Practices CheckerC/C++ Code Best Practices Checker C/C++ Code Best Practices CheckerCouchDB Code Best Practices Checker CouchDB Code Best Practices CheckerDAX Code Best Practices Checker DAX Code Best Practices CheckerExcel Code Best Practices Checker Excel Code Best Practices CheckerFirebase Code Best Practices Checker Firebase Code Best Practices CheckerGoogle BigQuery Code Best Practices Checker Google BigQuery Code Best Practices CheckerGoogle Sheets Code Best Practices Checker Google Sheets Code Best Practices CheckerGraphQL Code Best Practices Checker GraphQL Code Best Practices CheckerHive Code Best Practices Checker Hive Code Best Practices CheckerJava Code Best Practices Checker Java Code Best Practices CheckerJavaScript Code Best Practices Checker JavaScript Code Best Practices CheckerJulia Code Best Practices Checker Julia Code Best Practices CheckerLua Code Best Practices Checker Lua Code Best Practices CheckerM (Power Query) Code Best Practices Checker M (Power Query) Code Best Practices CheckerMATLAB Code Best Practices Checker MATLAB Code Best Practices CheckerMongoDB Code Best Practices Checker MongoDB Code Best Practices CheckerOracle Code Best Practices Checker Oracle Code Best Practices CheckerPostgreSQL Code Best Practices Checker PostgreSQL Code Best Practices CheckerPower BI Code Best Practices Checker Power BI Code Best Practices CheckerPython Code Best Practices Checker Python Code Best Practices CheckerR Code Best Practices Checker R Code Best Practices CheckerRedis Code Best Practices Checker Redis Code Best Practices CheckerRegex Code Best Practices Checker Regex Code Best Practices CheckerRuby Code Best Practices Checker Ruby Code Best Practices CheckerSAS Code Best Practices Checker SAS Code Best Practices CheckerScala Code Best Practices Checker Scala Code Best Practices CheckerShell Code Best Practices Checker Shell Code Best Practices CheckerSPSS Code Best Practices Checker SPSS Code Best Practices CheckerSQL Code Best Practices Checker SQL Code Best Practices CheckerSQLite Code Best Practices Checker SQLite Code Best Practices CheckerStata Code Best Practices Checker Stata Code Best Practices CheckerTableau Code Best Practices Checker Tableau Code Best Practices CheckerVBA Code Best Practices Checker VBA Code Best Practices Checker