[New Feature]: Extract to configurable code action

[LakshanWeerasinghe]

Description

This code action can be broken into two parts.

• Extract a single literal value
  This part functions similarly to the "extract to local variable" code action. When a single literal value is selected, the user will be prompted with a rename popup to update the configurable variable name.
  Before Applying the Code Action:

final mysql:Client myDb = check new ("<CURSOR>localhost", "my_user", "dummy_password", "dummy_database");

After Applying the Code Action:

configurable string configurableVar = "localhost";
final mysql:Client myDb = check new (configurableVar, "my_user", "dummy_password", "dummy_database");

• Extract a Selected Range of Function Arguments into Configurable Variables
  In this part, all arguments within the selected cursor range will be extracted into configurable variables. The names of these configurable variables will be derived from the function parameter names.
  Before Applying the Code Action:

final mysql:Client myDb2 = check new (<CURSOR_START>"localhost", "my_user", "dummy_password", "dummy_database"<CURSOR_END>);

After Applying the Code Action:

configurable string host = "localhost";
configurable string username = "my_user";
configurable string password = "dummy_password";
configurable string database = "dummy_database";
final mysql:Client myDb2 = check new (host, username, password, database);

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Related area

-> Compilation

Related issue(s) (optional)

#41345

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