fix: lint parse.js + sync.js

sync.js

@@ -88,7 +88,7 @@ async function importYear(connection, year, file) {
                 if (!columns) {
                     columns = Object.keys(record).map(col => `\`${col}\``);
                 }
-                const values = Object.values(record).map(v => v === '' ? null : v);
+                const values = Object.values(record).map(v => (v === '' ? null : v));
                 batch.push(values);
                 if (batch.length >= BATCH_SIZE) {
                     await flush();
@@ -128,12 +128,10 @@ async function main() {
     const dbYears = await getYearsInDb(connection);
     console.log(`Années en base : ${dbYears.join(', ')}`);
 
-    let missing;
+    let missing = serverYears.filter(y => !dbYears.includes(y));
     if (forceYear) {
         missing = [forceYear];
         console.log(`Mode forcé : import de ${forceYear}`);
-    } else {
-        missing = serverYears.filter(y => !dbYears.includes(y));
     }
 
     if (missing.length === 0) {