util: fix util.inspect with proxied function

PR-URL: #25244 Fixes: #25212 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Minwoo Jung <minwoo@nodesource.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>

Author: starkwang

lib/internal/util/inspect.js

@@ -592,7 +592,10 @@ function formatRaw(ctx, value, recurseTimes) {
  }
  } else if (typeof value === 'function') {
  const type = constructor || tag || 'Function';
- const name = `${type}${value.name ? `: ${value.name}` : ''}`;
+ let name = `${type}`;
+ if (value.name && typeof value.name === 'string') {
+ name += `: ${value.name}`;
+ }
  if (keys.length === 0)
  return ctx.stylize(`[${name}]`, 'special');
  base = `[${name}]`;

test/parallel/test-util-inspect-proxy.js

@@ -85,3 +85,17 @@ assert.strictEqual(util.inspect(proxy8, opts), expected8);
 assert.strictEqual(util.inspect(proxy9, opts), expected9);
 assert.strictEqual(util.inspect(proxy8), '[Function: Date]');
 assert.strictEqual(util.inspect(proxy9), '[Function: Date]');
+
+const proxy10 = new Proxy(() => {}, {});
+const proxy11 = new Proxy(() => {}, {
+ get() {
+ return proxy11;
+ },
+ apply() {
+ return proxy11;
+ }
+});
+const expected10 = '[Function]';
+const expected11 = '[Function]';
+assert.strictEqual(util.inspect(proxy10), expected10);
+assert.strictEqual(util.inspect(proxy11), expected11);