158 lines
7.4 KiB
JavaScript
158 lines
7.4 KiB
JavaScript
const { DateTime } = require("luxon");
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module.exports = function (eleventyConfig, { TIME_ZONE, defaultLanguage }) {
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// {{ post.date | date("dd/MM/yyyy") }} -> 18/10/2025
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eleventyConfig.addFilter("date", function (dateObj, format = "dd/MM/yyyy") {
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let dt = dateObj;
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// handle string dates
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if (typeof dateObj === "string") {
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dt = DateTime.fromISO(dateObj, { zone: TIME_ZONE }).toJSDate();
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}
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// handle DateTime objects (from addDateParsing)
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if (dateObj instanceof DateTime) {
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dt = dateObj.toJSDate();
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}
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// check dt as valid Date object
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if (!(dt instanceof Date) || isNaN(dt)) {
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console.log("Invalid date input:", dateObj);
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return "";
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}
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// format in TIME_ZONE
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const formatted = DateTime.fromJSDate(dt, { zone: TIME_ZONE })
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.toFormat(format);
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console.log("Date input:", dt, "Formatted:", formatted, "Timezone:", TIME_ZONE);
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return formatted;
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});
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// filters collections by current language
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eleventyConfig.addFilter("i18n_filter", function (collection, limit = null) {
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const lang = this.page.lang; // access page.lang from context
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let filtered = collection.filter(item => item.data.lang === lang);
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if (limit !== null) {
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filtered = filtered.slice(0, limit);
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}
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return filtered;
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});
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// takes all collections and returns only the tags not matched
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// key-objects so may repurpose under different name
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eleventyConfig.addFilter("exclude_collections", function (collections, ...keysToExclude) {
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if (!collections || typeof collections !== "object") {
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console.warn("[exclude_collections] Invalid collections input:", collections);
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return collections;
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}
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const result = {};
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Object.keys(collections).forEach(key => {
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if (!keysToExclude.includes(key)) {
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result[key] = collections[key];
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}
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});
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if (process.env.LOCALE_URL_DEBUG === "1" || process.env.LOCALE_URL_DEBUG === "true") {
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console.warn("[excludeCollections] Excluded keys:", keysToExclude);
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console.warn("[excludeCollections] Resulting keys:", Object.keys(result));
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}
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return result;
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});
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const LOCALE_URL_DEBUG = process.env.LOCALE_URL_DEBUG === "1" || process.env.LOCALE_URL_DEBUG === "true";
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// locale_url replacement that uses pre-compile filesystem
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eleventyConfig.addNunjucksFilter("locale_url_resolve", function (targetUrl, desiredLocale) {
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const ctx = (this && this.ctx) ? this.ctx : {};
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const collections = (ctx.collections) ? ctx.collections : {};
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const all = collections.all || [];
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if (!targetUrl || typeof targetUrl !== "string") return targetUrl;
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if (!targetUrl.startsWith("/")) return targetUrl; // external or relative link -> leave as is
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// determine locale to resolve to
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const pageLang = desiredLocale || (ctx.page && ctx.page.lang) || ctx.locale || defaultLanguage;
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const LOCALE_URL_DEBUG = process.env.LOCALE_URL_DEBUG === "1" || process.env.LOCALE_URL_DEBUG === "true";
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if (LOCALE_URL_DEBUG) {
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console.warn(`[locale_url_resolve] resolving targetUrl="${targetUrl}" desiredLocale="${desiredLocale}" pageLang="${pageLang}"`);
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}
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// special case for homepage
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if (targetUrl === "/" || targetUrl === "/index/") {
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if (pageLang === defaultLanguage) {
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if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] homepage, default language (${defaultLanguage}) -> "/"`);
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return "/";
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}
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const homepageUrl = `/${pageLang}/`;
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if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] homepage, language (${pageLang}) -> "${homepageUrl}"`);
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return homepageUrl;
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}
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// normalize targetUrl to include trailing slash for comparison
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const normUrl = targetUrl.endsWith("/") ? targetUrl : `${targetUrl}/`;
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// try to find the canonical (default language) page corresponding to targetUrl
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let canonical = all.find(p => {
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return (p.url === normUrl || p.url === targetUrl) && p.data && p.data.lang === defaultLanguage;
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});
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// if not found, try to find any page with that url (maybe targetUrl already localized)
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if (!canonical) {
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canonical = all.find(p => (p.url === normUrl || p.url === targetUrl));
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}
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if (LOCALE_URL_DEBUG) {
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if (canonical) {
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const cs = (canonical.page && canonical.page.filePathStem) ? canonical.page.filePathStem : "(no stem)";
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const clang = (canonical.data && canonical.data.lang) ? canonical.data.lang : "(no lang)";
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console.warn(`[locale_url_resolve] canonical found: url="${canonical.url}" filePathStem="${cs}" lang="${clang}"`);
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} else {
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console.warn(`[locale_url_resolve] canonical NOT found for targetUrl="${targetUrl}". Will fallback to prefixed URL.`);
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}
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}
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// if cannot find canonical page, fall back to a prefixed URL (best effort)
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if (!canonical) {
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const fallback = `/${pageLang}${targetUrl}`.replace(/\/{2,}/g, "/");
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if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] fallback -> "${fallback}"`);
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return fallback;
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}
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// determine canonical filePathStem (the source input path without extension)
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const canonicalLang = canonical.data && canonical.data.lang ? canonical.data.lang : defaultLanguage;
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const canonicalStem = (canonical.page && canonical.page.filePathStem) ? canonical.page.filePathStem : "";
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// remove the canonical lang prefix from the stem to create a "key" to match across locales.
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// ie "/en/about" -> "/about", "/es/about" -> "/about"
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const key = canonicalStem.replace(new RegExp(`^/${canonicalLang}`), "").replace(/^\/+/, "");
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if (LOCALE_URL_DEBUG) {
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console.warn(`[locale_url_resolve] canonicalLang="${canonicalLang}" canonicalStem="${canonicalStem}" key="${key}"`);
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}
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// find the localized page whose filePathStem ends with that key and whose lang matches pageLang.
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const localized = all.find(p => {
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const pLang = p.data && p.data.lang;
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const pStem = (p.page && p.page.filePathStem) ? p.page.filePathStem : "";
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// be defensive: ensure pLang exists
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if (!pLang) return false;
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return pLang === pageLang && pStem.endsWith(key);
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});
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if (localized && localized.url) {
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if (LOCALE_URL_DEBUG) {
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const ls = (localized.page && localized.page.filePathStem) ? localized.page.filePathStem : "(no stem)";
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console.warn(`[locale_url_resolve] localized found: url="${localized.url}" filePathStem="${ls}" lang="${localized.data.lang}"`);
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}
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return localized.url;
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}
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// fallback to prefixed URL
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const fallback2 = `/${pageLang}${targetUrl}`.replace(/\/{2,}/g, "/");
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if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] localized NOT found for key="${key}" — fallback -> "${fallback2}"`);
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return fallback2;
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});
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// turn on disabled nunjucks filters
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eleventyConfig.addFilter("keys", obj => Object.keys(obj));
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eleventyConfig.addFilter("values", obj => Object.values(obj));
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};
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