@kth/cortina-block/dist/fetch-blocks.js

Node.js module for fetching Cortina blocks and optionally cache using Redis.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.fetchAllBlocks = void 0;
const log_1 = __importDefault(require("@kth/log"));
const mem_cache_1 = require("./mem-cache");
const fetchBlock = async (url, blockName, useMemCache) => {
    try {
        const lang = url.split('l=')[1];
        const cacheKey = `${blockName}_${lang}`;
        const cacheHit = useMemCache ? await mem_cache_1.memoryCache.get(cacheKey) : undefined;
        if (cacheHit) {
            return { blockName, html: cacheHit };
        }
        const res = await fetch(url);
        if (!res.ok) {
            log_1.default.error(`Failed to fetch cortina block at ${url}: ${res.status}`);
            return { blockName, html: '' };
        }
        const html = await res.text();
        if (useMemCache) {
            mem_cache_1.memoryCache.set(cacheKey, html, 600);
        }
        return { blockName, html };
    }
    catch (err) {
        log_1.default.error(`WARNING! FAILED TO FETCH ${blockName} ${err}`);
    }
};
// Fetch all Cortina blocks from API.
const fetchAllBlocks = async (blocksConfig, blockApiUrl, lang, memCache) => {
    const allblocks = [];
    for (const blockName in blocksConfig) {
        const blockId = blocksConfig[blockName];
        allblocks.push({ blockName, url: `${blockApiUrl}${blockId}?l=${lang}` });
    }
    return Promise.all(allblocks.map(block => fetchBlock(block.url, block.blockName, memCache)))
        .then(fetchedBlocks => {
        const blocksObject = {};
        fetchedBlocks.forEach(block => {
            if (block) {
                blocksObject[block.blockName] = block.html;
            }
        });
        return blocksObject;
    })
        .catch(err => {
        const blockName = err.options ? err.options.uri : 'NO URI FOUND';
        log_1.default.error(`WARNING! 
        NO BLOCKS WILL BE LOADED DUE TO ERROR IN ONE OF THE BLOCKS. 
        FIX ALL BROKEN BLOCKS IMMEDIATELY. 
        ATTEMPTED TO LOAD BLOCK: ${blockName}`);
        throw err;
    });
};
exports.fetchAllBlocks = fetchAllBlocks;