fix(node/util): support array formats in `styleText` (#26507)

We missed adding support for an array of formats being passed to
`util.styleText`.

Fixes https://github.com/denoland/deno/issues/26496

2 files changed, 18 insertions, 0 deletions

diff --git a/ext/node/polyfills/internal/util/inspect.mjs b/ext/node/polyfills/internal/util/inspect.mjs
index 3a61c387c..ae797449b 100644
--- a/ext/node/polyfills/internal/util/inspect.mjs
+++ b/ext/node/polyfills/internal/util/inspect.mjs
@@ -565,6 +565,19 @@ export function stripVTControlCharacters(str) {
 
 export function styleText(format, text) {
   validateString(text, "text");
+
+  if (Array.isArray(format)) {
+    for (let i = 0; i < format.length; i++) {
+      const item = format[i];
+      const formatCodes = inspect.colors[item];
+      if (formatCodes == null) {
+        validateOneOf(item, "format", Object.keys(inspect.colors));
+      }
+      text = `\u001b[${formatCodes[0]}m${text}\u001b[${formatCodes[1]}m`;
+    }
+    return text;
+  }
+
   const formatCodes = inspect.colors[format];
   if (formatCodes == null) {
     validateOneOf(format, "format", Object.keys(inspect.colors));
diff --git a/tests/unit_node/util_test.ts b/tests/unit_node/util_test.ts
index a47c231a1..6267018b1 100644
--- a/tests/unit_node/util_test.ts
+++ b/tests/unit_node/util_test.ts
@@ -353,3 +353,8 @@ Deno.test("[util] styleText()", () => {
   const redText = util.styleText("red", "error");
   assertEquals(redText, "\x1B[31merror\x1B[39m");
 });
+
+Deno.test("[util] styleText() with array of formats", () => {
+  const colored = util.styleText(["red", "green"], "error");
+  assertEquals(colored, "\x1b[32m\x1b[31merror\x1b[39m\x1b[39m");
+});