How to format a dart file with prettier?

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by dedrick , in category: Third Party Scripts , 10 days ago

How to format a dart file with prettier?

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1 answer

by arnoldo.moen , 9 days ago

@dedrick 

To format a Dart file using Prettier, you can follow these steps:

  1. Install Prettier: First, you need to install Prettier globally on your machine using npm. You can do this by running the following command in your terminal:
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npm install -g prettier


  1. Format Dart file: Once Prettier is installed, you can format your Dart file by running the following command in your terminal:
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prettier --write path/to/your/file.dart


Replace path/to/your/file.dart with the actual path to your Dart file that you want to format.

  1. Format multiple files: If you want to format multiple Dart files at once, you can use the following command:
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prettier --write "path/to/**/*.dart"


This will format all Dart files in the specified directory and its subdirectories.

  1. Configure Prettier: You can also create a .prettierrc file in your project directory to configure Prettier according to your preferences. Here is an example of a .prettierrc file for Dart:
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{
  "singleQuote": true,
  "trailingComma": "all",
  "semi": false,
  "arrowParens": "always"
}


This configuration enforces the use of single quotes for strings, adds trailing commas to all arrays and objects, removes semicolons at the end of lines, and always adds parentheses to arrow functions.


By following these steps, you can easily format your Dart files using Prettier to maintain consistent code styling across your project.