Function insertArticle

lib/modifiers/summary/insertArticle.js:15–36

Returns a new Summary with the article at the given level, with subsequent article shifted. @param {Summary} summary @param {Article} article @param {String|Article} level: level to insert at @return {Summary}

(summary, article, level)

    @return {Summary}
*/
function insertArticle(summary, article, level) {
    article = SummaryArticle(article);
    level = is.string(level)? level : level.getLevel();

    var parent = summary.getParent(level);
    if (!parent) {
        return summary;
    }

    // Find the index to insert at
    var articles = parent.getArticles();
    var index = getLeafIndex(level);

    // Insert the article at the right index
    articles = articles.insert(index, article);

    // Reindex the level from here
    parent = parent.set('articles', articles);
    parent = indexArticleLevels(parent);

    return mergeAtLevel(summary, parent.getLevel(), parent);
}

/**
    @param {String}