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prettier-plugin-abap

An opinionated ABAP formatter plugin for [Prettier][]

Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re-printing, taking various rules into account.

This plugin adds support for ABAP code formatting using the same rules as [abap-cleaner][].

Notice

This plugin is still under development, its formatter just wraps [abap-cleaner][]'s default formatting logic. Of course it should just work, but may not match [prettier][]'s format sometimes.

Requirements

prettier-plugin-abap is an ABAP-focused module. This module requires an LTS Node version (v16.0.0+).

Install

Using npm:

# npm
npm i -D prettier prettier-plugin-abap

# yarn
yarn add -D prettier prettier-plugin-abap

Usage

Once installed, Prettier plugins must be added to .prettierrc:

{
  "plugins": ["prettier-plugin-abap"]
}

Then:

# npx
npx prettier --write foo.abap

# yarn
yarn prettier --write foo.abap

Configuration

Standard Prettier options work with ABAP files:

{
  "semi": false,
  "singleQuote": true,
  "tabWidth": 2
}

Plugin-specific options that map to abap-cleaner rules:

• abapKeywordCase: "upper" (default) or "lower" keyword casing.
• abapSpaceBeforePeriod: keep a space before statement periods and chain commas.
• abapSpaceBeforeCommentSign: ensure a space before inline " comments.
• abapSpaceAfterCommentSign: insert a space after the " comment sign (skips pseudo comments).
• abapChainFormatting: "preserve" (default) or "expand" colon chains.