fix: errors

sissijs · Oct 9, 2024 · dfd50d9 · dfd50d9
1 parent 67fa60d
commit dfd50d9
Showing 1 changed file with 14 additions and 3 deletions.
diff --git a/src/transforms/template-data.js b/src/transforms/template-data.js
@@ -15,9 +15,17 @@ function htmlEscape(input) {
 }
 
 function safeEval(snippet, context) {
-  const s = new vm.Script(snippet);
-  let result = context && vm.isContext(context) ? s.runInContext(context) : s.runInNewContext(context || {Object, Array});
-  return result;
+  try {
+    const s = new vm.Script(snippet);
+    let result = context && vm.isContext(context) ? s.runInContext(context) : s.runInNewContext(context || {Object, Array});
+    return result;
+  } catch (err) {
+    if (err.name === 'ReferenceError') {
+      console.warn(`ReferenceError: ${err.message}`);
+      return '';
+    }
+    throw err;
+  }
 }
 
 export function parseFilterExpression(expr, ctx) {
@@ -53,6 +61,9 @@ export function template(str) {
       const mainExpression = expressions[0];
       const filterExpressions = expressions.slice(1);
       let result = safeEval(mainExpression, context);
+      if (typeof result === 'undefined') {
+        result = '';
+      }
       if (typeof result === 'function') {
         result = result();
       }