tailorx/lib/parse-template.js

Tailor assembles a web page from multiple fragments

'use strict';

const Transform = require('./transform');
const TemplateCutter = require('./template-cutter');

/**
 * Parse both base and child templates
 *
 * @param {Array} handledTags - Tags that should be treated specially and will be handled in the future
 * @param {Number} baseTemplatesCacheSize - You can limit base templates cache size which you want to keep, it relates to how many templates you have in your app
 * @returns {Promise} Promise that resolves to a serialized array consisting of buffer and fragment objects
 */
module.exports = (handledTags, baseTemplatesCacheSize) => {
    const transform = new Transform(handledTags, baseTemplatesCacheSize);

    return (baseTemplate, childTemplate, fullRendering = true) =>
        Promise.resolve().then(() => {
            const templateCutter = new TemplateCutter();

            const cuttedBaseTemplate = templateCutter.cut(baseTemplate);

            const chunks = transform.applyTransforms(
                cuttedBaseTemplate,
                childTemplate,
                fullRendering
            );

            return templateCutter.restore(chunks);
        });
};