jats-utils/dist/serialize.js

Utility functions for working with JATS in Typescript

import { js2xml } from 'xml-js';
import { escapeForXML } from './utils.js';
const both = [
    '\\?xml',
    'article',
    'sub-article',
    'front',
    'front-stub',
    'journal-meta',
    'journal-title-group',
    'publisher',
    'article-meta',
    'article-categories',
    'title-group',
    'contrib-group',
    'contrib',
    'institution-wrap',
    'aff',
    'permissions',
    'license',
    'kwd-group',
    'history',
    'self-uri',
    'funding-group',
    'award-group',
    'principal-award-recipient',
    'custom-meta-group',
    'date',
    'pub-date',
    'abstract',
    'counts',
    'body',
    'sec',
    'fig',
    'statement',
    'list',
    'disp-formula',
    'disp-formula-group',
    'table-wrap',
    'caption',
    'table',
    'thead',
    'ref-list',
    'ref',
    'back',
];
const first = [
    'journal-id',
    'journal-title',
    'issn',
    'publisher-name',
    'publisher-loc',
    'article-id',
    'article-title',
    'alt-title',
    'subtitle',
    'kwd',
    'name',
    'email',
    'contrib-id',
    'role',
    'institution',
    'institution-id',
    'award-id',
    'meta-name',
    'meta-value',
    'title',
    'p',
    'license-p',
    'tr',
    'label',
    'graphic',
    'mixed-citation',
];
function indentXML(xml) {
    return xml
        .replace(RegExp(`<(\\/)?(${both.join('|')})( [^>]*)?>`, 'g'), '<$1$2$3>\n')
        .replace(RegExp(`([^\n])<(\\/)?(${both.join('|')})( [^>]*)?>`, 'g'), '$1\n<$2$3$4>')
        .replace(RegExp(`([^\n])<(${first.join('|')})( [^>]*)?>`, 'g'), '$1\n<$2$3>')
        .replace(RegExp(`<\\/(${first.join('|')})(\\s*)>([^\n])`, 'g'), '</$1>\n$3');
}
export function serializeJatsXml(element, opts) {
    const { format } = { format: 'pretty', ...opts };
    const xml = js2xml(element, {
        compact: false,
        //  No way to write XML with new lines, but no indentation with js2xml.
        // If you use 0 or '', you get a single line.
        spaces: format === 'flat' || format === 'pretty' ? 0 : format || 1,
        attributeValueFn: escapeForXML,
    });
    if (format === 0) {
        // either `0` or `''`
        return xml.replace(/\n(\s*)</g, '\n<');
    }
    else if (format === 'pretty') {
        return indentXML(xml);
    }
    return xml;
}