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rOACCT/node_modules/estree-to-babel/lib/comments.js
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comments.js
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			'use strict';

			module.exports.convertNodeComments = (node) => {
			const {comments} = node;

			if (!comments)
			return;

			delete node.comments;
			node.leadingComments = undefined;
			node.trailingComments = undefined;
			node.innerComments = undefined;

			for (const comment of comments) {
			const group = getCommentGroup(comment);

			if (!node[group])
			node[group] = [];

			delete comment.leading;
			delete comment.trailing;
			comment.type = getCommentType(comment);
			node[group].push(comment);
			}
			};

			module.exports.convertProgramComments = (comments) => {
			for (const comment of comments) {
			comment.type = getCommentType(comment);
			}

			return comments;
			};

			function getCommentType({type}) {
			return `Comment${type}`;
			}

			function getCommentGroup({trailing, leading}) {
			if (trailing)
			return 'trailingComments';

			if (leading)
			return 'leadingComments';

			// Dangling comments, such as `[/* a */]`.
			return 'innerComments';
			}