console: make dirxml an alias for console.log

This method was previously exposed by V8 (since node 8.0.0) but not
implemented in node.

PR-URL: #17152
Refs: #17128
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

doc/api/console.md

@@ -277,6 +277,19 @@ Defaults to `2`. To make it recurse indefinitely, pass `null`.
 Defaults to `false`. Colors are customizable; see
 [customizing `util.inspect()` colors][].
 
+### console.dirxml(...data)
+<!-- YAML
+added: v8.0.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/17152
+    description: "`console.dirxml` now calls `console.log` for its arguments."
+-->
+* `...data` {any}
+
+This method calls `console.log()` passing it the arguments received.
+Please note that this method does not produce any XML formatting.
+
 ### console.error([data][, ...args])
 <!-- YAML
 added: v0.1.100
@@ -435,18 +448,6 @@ The following methods are exposed by the V8 engine in the general API but do
 not display anything unless used in conjunction with the [inspector][]
 (`--inspect` flag).
 
-### console.dirxml(object)
-<!-- YAML
-added: v8.0.0
--->
-* `object` {string}
-
-This method does not display anything unless used in the inspector. The
-`console.dirxml()` method displays in `stdout` an XML interactive tree
-representation of the descendants of the specified `object` if possible, or the
-JavaScript representation if not. Calling `console.dirxml()` on an HTML or XML
-element is equivalent to calling `console.log()`.
-
 ### console.markTimeline(label)
 <!-- YAML
 added: v8.0.0

lib/console.js

@@ -162,6 +162,9 @@ Console.prototype.dir = function dir(object, options) {
 };
 
 
+Console.prototype.dirxml = Console.prototype.log;
+
+
 Console.prototype.time = function time(label = 'default') {
   // Coerces everything other than Symbol to a string
   label = `${label}`;

test/parallel/test-console.js

@@ -103,6 +103,14 @@ console.dir(custom_inspect, { showHidden: false });
 console.dir({ foo: { bar: { baz: true } } }, { depth: 0 });
 console.dir({ foo: { bar: { baz: true } } }, { depth: 1 });
 
+// test console.dirxml()
+console.dirxml(custom_inspect, custom_inspect);
+console.dirxml(
+  { foo: { bar: { baz: true } } },
+  { foo: { bar: { quux: false } } },
+  { foo: { bar: { quux: true } } }
+);
+
 // test console.trace()
 console.trace('This is a %j %d', { formatted: 'trace' }, 10, 'foo');
 
@@ -171,6 +179,11 @@ assert.strictEqual(strings.shift(),
                    "{ foo: 'bar', inspect: [Function: inspect] }\n");
 assert.ok(strings.shift().includes('foo: [Object]'));
 assert.strictEqual(strings.shift().includes('baz'), false);
+assert.strictEqual(strings.shift(), 'inspect inspect\n');
+assert.ok(strings[0].includes('foo: { bar: { baz:'));
+assert.ok(strings[0].includes('quux'));
+assert.ok(strings.shift().includes('quux: true'));
+
 assert.ok(/^label: \d+\.\d{3}ms$/.test(strings.shift().trim()));
 assert.ok(/^__proto__: \d+\.\d{3}ms$/.test(strings.shift().trim()));
 assert.ok(/^constructor: \d+\.\d{3}ms$/.test(strings.shift().trim()));