prettier-plugin-solidity/dist/slang-printers/print-preserving-empty-lines.js

A Prettier Plugin for automatically formatting your Solidity code.

import { NonterminalKind } from '@nomicfoundation/slang/cst';
import { doc, util } from 'prettier';
import { locEnd } from '../slang-utils/loc.js';
import { printComments } from './print-comments.js';
const { hardline } = doc.builders;
export function printPreservingEmptyLines(node, path, print, options) {
    return node.items.length > 0
        ? path.map((childPath) => {
            const node = childPath.node;
            return [
                // Only attempt to prepend an empty line if `node` is not the first item
                !childPath.isFirst &&
                    // YulLabel adds a dedented line so we don't have to prepend a hardline.
                    node.kind !== NonterminalKind.YulLabel
                    ? hardline
                    : '',
                print(childPath),
                // Only attempt to append an empty line if `node` is not the last item
                !childPath.isLast &&
                    // Append an empty line if the original text already had an one after the
                    // current `node`
                    util.isNextLineEmpty(options.originalText, locEnd(node))
                    ? hardline
                    : ''
            ];
        }, 'items')
        : printComments(node, path, options);
}
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