@vuesion/addon-contentful/dist/ContentfulMiddleware.js

vuesion contentful integration

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const contentful_1 = require("contentful");
const _ = require("lodash");
exports.ContentfulMiddleware = (options) => {
    options.defaultLocale = options.defaultLocale || 'en';
    if (!options.accessToken || !options.space) {
        console.warn('You have to provide "accessToken" and "space". Contentful middleware not applied.');
        return (req, res, next) => {
            next();
        };
    }
    let entries;
    const host = options.preview ? 'preview.contentful.com' : 'cdn.contentful.com';
    const client = contentful_1.createClient({ ...options, host });
    const sync = () => {
        client
            .getEntries({ content_type: 'page', include: 6, locale: '*' })
            .then((contentTypes) => (entries = contentTypes.items))
            .catch((e) => console.error(e));
    };
    sync();
    setInterval(() => sync(), options.syncIntervalInSeconds * 1000 || 300000);
    const getLocaleValue = (item, locale) => {
        if (item[locale]) {
            return item[locale];
        }
        return item[options.defaultLocale];
    };
    const getProperties = (item, locale) => {
        const properties = {};
        Object.keys(item.fields).forEach((key) => {
            const value = getLocaleValue(item.fields[key], locale);
            if (_.isArray(value)) {
                properties[key] = value.map((entry) => {
                    const prop = {};
                    Object.keys(entry.fields).forEach((k) => {
                        prop[k] = getLocaleValue(entry.fields[k], locale);
                    });
                    return prop;
                });
            }
            else {
                properties[key] = value;
            }
        });
        return properties;
    };
    const transformContentfulPageToVue = (page, locale) => {
        if (!page) {
            return null;
        }
        return {
            slug: getLocaleValue(page.fields.slug, locale),
            title: getLocaleValue(page.fields.title, locale),
            metaDescription: getLocaleValue(page.fields.metaDescription, locale),
            contentItems: getLocaleValue(page.fields.contentItems, locale).map((item) => {
                return {
                    component: item.sys.contentType.sys.id,
                    properties: getProperties(item, locale),
                };
            }),
        };
    };
    return (req, res) => {
        const slug = req.query.slug || '/';
        const locale = req.query.locale;
        const entry = entries.find((p) => getLocaleValue(p.fields.slug, locale) === slug);
        let page;
        try {
            page = transformContentfulPageToVue(entry, locale);
        }
        catch (e) {
            page = null;
        }
        if (page) {
            res.status(200).json(page);
        }
        else {
            res.status(404).json({ message: 'not found' });
        }
    };
};