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avoid-banned-imports

Configure some imports that you want to ban.

Config

Set entries (default is empty) to configure a list of entries for imports to ban.

Each entry is an object with 3 fields: paths, deny and message.

Set paths (can be a regular expression) to configure the list of paths for entry to trigger on.

Set deny (can be a regular expression) to configure the list of imports to ban.

Set message to configure a user-facing message for each issue created from this config entry.

dart_code_linter:
...
rules:
...
- avoid-banned-imports:
entries:
- paths: ['some/folder/.*\.dart', 'another/folder/.*\.dart']
deny: ['package:flutter/material.dart']
message: 'Do not import Flutter Material Design library, we should not depend on it!'
- paths: ['core/.*\.dart']
deny: ['package:flutter_bloc/flutter_bloc.dart']
message: 'State management should be not used inside "core" folder.'
NOTE
This rule requires configuration in order to highlight any issues.

Example

With the configuration in the example above, here are some bad/good examples.

Bad:

import "package:flutter/material.dart"; // LINT
import "package:flutter_bloc/flutter_bloc.dart"; // LINT

Good:

// No restricted imports in listed folders.