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prettier — An opinionated code formatter for JavaScript, JSON, CSS, YAML, and more. More information: <https://

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the prettier command: An opinionated code formatter for JavaScript, JSON, CSS, YAML, and more. More information: <https://prettier.io/docs/cli>.

Solution

prettier — An opinionated code formatter for JavaScript, JSON, CSS, YAML, and more. More information: <https://prettier.io/docs/cli>.

Format a file and print the result to stdout:

prettier {{path/to/file}}

Check if a specific file has been formatted:

prettier --check {{path/to/file}}

Run with a specific configuration file:

prettier --config {{path/to/config_file}} {{path/to/file}}

Format a file or directory, replacing the original:

prettier --write {{path/to/file_or_directory}}

Format files or directories recursively using single quotes and no trailing commas:

prettier --single-quote --trailing-comma {{none}} --write {{path/to/file_or_directory}}

Format JavaScript and TypeScript files recursively, replacing the original:

prettier --write "**/*.{js,jsx,ts,tsx}"

Code Snippets

Format a file and print the result to `stdout`

prettier {{path/to/file}}

Check if a specific file has been formatted

prettier --check {{path/to/file}}

Run with a specific configuration file

prettier --config {{path/to/config_file}} {{path/to/file}}

Format a file or directory, replacing the original

prettier --write {{path/to/file_or_directory}}

Format files or directories recursively using single quotes and no trailing commas

prettier --single-quote --trailing-comma {{none}} --write {{path/to/file_or_directory}}

Context

tldr-pages: common/prettier

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