prettier-plugin-solidity/dist/common/printer-helpers.js

A Prettier Plugin for automatically formatting your Solidity code.

import { doc, util } from 'prettier';
const { group, indent, join, line, softline, hardline } = doc.builders;
const { isNextLineEmpty } = util;
export const printComments = (node, path, options, filter = () => true) => {
    if (!node.comments)
        return '';
    const document = join(line, path
        .map((commentPath) => {
        const comment = commentPath.getValue();
        if (comment.trailing || comment.leading || comment.printed) {
            return null;
        }
        if (!filter(comment)) {
            return null;
        }
        comment.printed = true;
        return options.printer.printComment(commentPath, options);
    }, 'comments')
        .filter(Boolean));
    return document;
};
export function printPreservingEmptyLines(path, key, options, print) {
    const parts = [];
    path.each((childPath, index) => {
        const node = childPath.getValue();
        const nodeType = node.type;
        if (
        // Avoid adding a hardline at the beginning of the document.
        parts.length !== 0 &&
            // LabelDefinition adds a dedented line so we don't have to prepend a
            // hardline.
            nodeType !== 'LabelDefinition') {
            parts.push(hardline);
        }
        parts.push(print(childPath));
        // Only attempt to append an empty line if `node` is not the last item
        if (!childPath.isLast &&
            isNextLineEmpty(options.originalText, options.locEnd(node) + 1)) {
            // Append an empty line if the original text already had an one after
            // the current `node`
            parts.push(hardline);
        }
    }, key);
    return parts;
}
// This function will add an indentation to the `item` and separate it from the
// rest of the `doc` in most cases by a `softline`.
export const printSeparatedItem = (item, { firstSeparator = softline, lastSeparator = firstSeparator, grouped = true } = {}) => {
    const document = [indent([firstSeparator, item]), lastSeparator];
    return grouped ? group(document) : document;
};
// This function will add an indentation to the `list` and separate it from the
// rest of the `doc` in most cases by a `softline`.
// the list itself will be printed with a separator that in most cases is a
// comma (,) and a `line`
export const printSeparatedList = (list, { firstSeparator, separator = [',', line], lastSeparator, grouped } = {}) => printSeparatedItem(join(separator, list), {
    firstSeparator,
    lastSeparator,
    grouped
});
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