extract processLanguageFile from upd8.js, fix building

1 files changed, 40 insertions, 0 deletions

diff --git a/src/data/language.js b/src/data/language.js
new file mode 100644
index 00000000..da9528f2
--- /dev/null
+++ b/src/data/language.js
@@ -0,0 +1,40 @@
+import {readFile} from 'fs/promises';
+
+// It stands for "HTML Entities", apparently. Cursed.
+import he from 'he';
+
+import T from './things/index.js';
+
+// TODO: define somewhere besides upd8.js obviously
+export async function processLanguageFile(file) {
+  const contents = await readFile(file, 'utf-8');
+  const json = JSON.parse(contents);
+
+  const code = json['meta.languageCode'];
+  if (!code) {
+    throw new Error(`Missing language code (file: ${file})`);
+  }
+  delete json['meta.languageCode'];
+
+  const intlCode = json['meta.languageIntlCode'] ?? null;
+  delete json['meta.languageIntlCode'];
+
+  const name = json['meta.languageName'];
+  if (!name) {
+    throw new Error(`Missing language name (${code})`);
+  }
+  delete json['meta.languageName'];
+
+  const hidden = json['meta.hidden'] ?? false;
+  delete json['meta.hidden'];
+
+  const language = new T.Language();
+  language.code = code;
+  language.intlCode = intlCode;
+  language.name = name;
+  language.hidden = hidden;
+  language.escapeHTML = (string) =>
+    he.encode(string, {useNamedReferences: true});
+  language.strings = json;
+  return language;
+}