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add custom locales_url_resolve filter because the 11ty i18n is some fucking horseshit

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yuki 2025-10-16 07:57:42 -03:00
parent 404abaae6c
commit 9758dbd561
Signed by: yuki
GPG key ID: 0C98E6FF04EC3915
1 changed files with 102 additions and 6 deletions
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106
eleventy.config.js
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@ -1,4 +1,6 @@
const { I18nPlugin } = require("@11ty/eleventy");
const {
I18nPlugin
} = require("@11ty/eleventy");
const i18n = require("eleventy-plugin-i18n");
const eleventySass = require("eleventy-sass");
const toml = require("@iarna/toml");
@ -6,7 +8,7 @@ const toml = require("@iarna/toml");
const fs = require("fs");
const path = require("path");
module.exports = function(eleventyConfig) {
module.exports = function (eleventyConfig) {
eleventyConfig.setLayoutsDirectory("_layouts");
eleventyConfig.addPassthroughCopy("img");
@ -16,9 +18,15 @@ module.exports = function(eleventyConfig) {
eleventyConfig.addPassthroughCopy("robots.txt");
eleventyConfig.addPassthroughCopy("roms");
const defaultLanguage = "en";
// expose as global site data for templates
eleventyConfig.addGlobalData("site", {
defaultLocale: defaultLanguage
});
eleventyConfig.addNunjucksFilter("values", obj => Object.values(obj));
eleventyConfig.addFilter("i18n_filter", function(collection, limit = null) {
eleventyConfig.addFilter("i18n_filter", function (collection, limit = null) {
const lang = this.page.lang; // access page.lang from context
let filtered = collection.filter(item => item.data.lang === lang);
if (limit !== null) {
@ -29,8 +37,8 @@ module.exports = function(eleventyConfig) {
eleventyConfig.addPlugin(eleventySass);
eleventyConfig.addPlugin(I18nPlugin, {
defaultLanguage: "en",
errorMode: "allow-fallback" // /en/ -> /
defaultLanguage: defaultLanguage,
errorMode: "allow-fallback", // /en/ -> /
});
eleventyConfig.addDataExtension("toml", (contents) => toml.parse(contents));
@ -40,6 +48,94 @@ module.exports = function(eleventyConfig) {
);
const translations = toml.parse(translationsToml);
const LOCALE_URL_DEBUG = process.env.LOCALE_URL_DEBUG === "1" || process.env.LOCALE_URL_DEBUG === "true";
eleventyConfig.addNunjucksFilter("locale_url_resolve", function (targetUrl, desiredLocale) {
const ctx = (this && this.ctx) ? this.ctx : {};
const collections = (ctx.collections) ? ctx.collections : {};
const all = collections.all || [];
if (!targetUrl || typeof targetUrl !== "string") return targetUrl;
if (!targetUrl.startsWith("/")) return targetUrl; // external or relative link -> leave as is
// determine locale to resolve to
const pageLang = desiredLocale || (ctx.page && ctx.page.lang) || ctx.locale || defaultLanguage;
if (LOCALE_URL_DEBUG) {
console.warn(`[locale_url_resolve] resolving targetUrl="${targetUrl}" desiredLocale="${desiredLocale}" pageLang="${pageLang}"`);
}
// if requested locale is default, return the raw url (your default publishes to root)
if (pageLang === defaultLanguage) {
if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] requested locale is default (${defaultLanguage}) — returning raw URL "${targetUrl}"`);
return targetUrl;
}
// normalize targetUrl to ensure trailing slash for comparison
const normUrl = targetUrl.endsWith("/") ? targetUrl : (targetUrl + "/");
// try to find the canonical (default language) page corresponding to targetUrl
let canonical = all.find(p => {
return (p.url === normUrl || p.url === targetUrl) && p.data && p.data.lang === defaultLanguage;
});
// if not found, try to find any page with that url (maybe targetUrl already localized)
if (!canonical) {
canonical = all.find(p => (p.url === normUrl || p.url === targetUrl));
}
if (LOCALE_URL_DEBUG) {
if (canonical) {
const cs = (canonical.page && canonical.page.filePathStem) ? canonical.page.filePathStem : "(no stem)";
const clang = (canonical.data && canonical.data.lang) ? canonical.data.lang : "(no lang)";
console.warn(`[locale_url_resolve] canonical found: url="${canonical.url}" filePathStem="${cs}" lang="${clang}"`);
} else {
console.warn(`[locale_url_resolve] canonical NOT found for targetUrl="${targetUrl}". Will fallback to prefixed URL.`);
}
}
// if cannot find canonical page, fall back to a prefixed URL (best effort)
if (!canonical) {
const fallback = (`/${pageLang}${targetUrl}`).replace(/\/{2,}/g, "/");
if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] fallback -> "${fallback}"`);
return fallback;
}
// determine canonical filePathStem (the source input path without extension)
const canonicalLang = canonical.data && canonical.data.lang ? canonical.data.lang : defaultLanguage;
const canonicalStem = (canonical.page && canonical.page.filePathStem) ? canonical.page.filePathStem : "";
// remove the canonical lang prefix from the stem to create a "key" we can match across locales.
// e.g. "/en/about" -> "/about", "/es/about" -> "/about"
const key = canonicalStem.replace(new RegExp(`^/${canonicalLang}`), "").replace(/^\/+/, "");
if (LOCALE_URL_DEBUG) {
console.warn(`[locale_url_resolve] canonicalLang="${canonicalLang}" canonicalStem="${canonicalStem}" key="${key}"`);
}
// find the localized page whose filePathStem ends with that key and whose lang matches pageLang.
const localized = all.find(p => {
const pLang = p.data && p.data.lang;
const pStem = (p.page && p.page.filePathStem) ? p.page.filePathStem : "";
// be defensive: ensure pLang exists
if (!pLang) return false;
return pLang === pageLang && pStem.endsWith(key);
});
if (localized && localized.url) {
if (LOCALE_URL_DEBUG) {
const ls = (localized.page && localized.page.filePathStem) ? localized.page.filePathStem : "(no stem)";
console.warn(`[locale_url_resolve] localized found: url="${localized.url}" filePathStem="${ls}" lang="${localized.data.lang}"`);
}
return localized.url;
}
// no localized page found — fall back to prefixed path
const fallback2 = (`/${pageLang}${targetUrl}`).replace(/\/{2,}/g, "/");
if (LOCALE_URL_DEBUG) console.warn(`[locale_url_resolve] localized NOT found for key="${key}" — fallback -> "${fallback2}"`);
return fallback2;
});
eleventyConfig.addPlugin(i18n, {
translations,
fallbackLocales: {