make "show as words" follow document language, with default to Dutch

.changeset/khaki-schools-clap.md

@@ -0,0 +1,5 @@
+---
+'@lblod/ember-rdfa-editor-lblod-plugins': patch
+---
+
+Using "show as words" for a number variable will convert the number to a string in the language in the document, instead of always showing Dutch.

addon/components/variable-plugin/number/nodeview.ts

@@ -63,7 +63,7 @@ export default class NumberNodeviewComponent extends Component<Args> {
     if (!this.writtenNumber) {
       return value;
     } else {
-      return numberToWords(Number(value), { lang: 'nl' });
+      return numberToWords(Number(value), { lang: this.documentLanguage });
     }
   }
 

addon/plugins/variable-plugin/utils/number-to-words.ts

@@ -2,14 +2,19 @@ import n2words from 'n2words';
 
 /**
  * Wrapper around the `n2words` function which catches possible errors thrown by n2words.
+ * If an invalid `lang` is used, `nl` is used by default.
  * If `n2words` throws an error (because of inability to convert the number),
  * this function displays the error as a warning and returns the provided number as a string.
  */
 export function numberToWords(number: number, options: { lang: string }) {
   try {
     return n2words(number, options);
-  } catch (e) {
-    console.warn(e);
-    return number.toString();
+  } catch {
+    try {
+      return n2words(number, { ...options, lang: 'nl' });
+    } catch (e) {
+      console.warn(e);
+      return number.toString();
+    }
   }
 }

addon/plugins/variable-plugin/variables/number.ts

@@ -73,7 +73,7 @@ const parseDOM = [
 
 const serialize = (node: PNode, state: EditorState): DOMOutputSpec => {
   const t = getTranslationFunction(state);
-
+  const docLang = state.doc.attrs.lang as string;
   const {
     mappingResource,
     variableInstance,
@@ -88,7 +88,7 @@ const serialize = (node: PNode, state: EditorState): DOMOutputSpec => {
 
   if (isNumber(value)) {
     if (writtenNumber) {
-      humanReadableContent = numberToWords(Number(value), { lang: 'nl' });
+      humanReadableContent = numberToWords(Number(value), { lang: docLang });
     } else {
       humanReadableContent = value as string;
     }

package.json

@@ -52,7 +52,7 @@
     "ember-resources": "^6.1.1",
     "ember-velcro": "^2.1.0",
     "fetch-sparql-endpoint": "^3.0.0",
-    "n2words": "^1.16.4",
+    "n2words": "^1.18.0",
     "process": "0.11.10",
     "rdf-ext": "^2.1.0",
     "rdf-validate-shacl": "^0.4.5",