myst-to-jats/dist/transforms/citations.js

Export from MyST Markdown to JATS

import { selectAll } from 'unist-util-select';
/**
 * Add parentheses and separator text to citeGroup nodes as children
 *
 * This allows us to simply render children and get all the correct formatting.
 */
export function citeGroupTransform(mdast) {
    const citeGroups = selectAll('citeGroup', mdast);
    citeGroups.forEach((node) => {
        // Only run this transform if:
        // - there are children on the citeGroup and
        // - all citeGroup children are cite nodes
        if (!node.children.length || node.children.filter((child) => child.type !== 'cite').length) {
            return;
        }
        const { kind } = node;
        node.children.forEach((child) => {
            child.kind = kind;
        });
        const newChildren = [];
        if (kind === 'parenthetical') {
            newChildren.push({
                type: 'text',
                value: '(',
            });
        }
        newChildren.push(node.children[0]);
        const sep = kind === 'parenthetical' ? ';' : ',';
        node.children.slice(1).forEach((child) => {
            newChildren.push({
                type: 'text',
                value: `${sep} `,
            }, child);
        });
        if (kind === 'parenthetical') {
            newChildren.push({
                type: 'text',
                value: ')',
            });
        }
        node.children = newChildren;
    });
}
export const citeGroupPlugin = () => (tree) => {
    citeGroupTransform(tree);
};