feat(unstable): add Temporal API support (#21738)

This commit adds support for [Stage 3 Temporal API
proposal](https://tc39.es/proposal-temporal/docs/).

The API is available when `--unstable-temporal` flag is passed.

---------

Signed-off-by: Bartek Iwańczuk <biwanczuk@gmail.com>
Co-authored-by: David Sherret <dsherret@gmail.com>
Co-authored-by: Kenta Moriuchi <moriken@kimamass.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/ext/console/01_console.js b/ext/console/01_console.js
index ae629a432..101b7ed1c 100644
--- a/ext/console/01_console.js
+++ b/ext/console/01_console.js
@@ -188,6 +188,7 @@ const styles = {
   regexp: "red",
   module: "underline",
   internalError: "red",
+  temporal: "magenta",
 };
 
 const defaultFG = 39;
@@ -777,6 +778,55 @@ function formatRaw(ctx, value, recurseTimes, typedArray, proxyDetails) {
           }
         }
       } else if (
+        proxyDetails === null &&
+        typeof globalThis.Temporal !== "undefined" &&
+        (
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.Instant.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.ZonedDateTime.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.PlainDate.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.PlainTime.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.PlainDateTime.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.PlainYearMonth.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.PlainMonthDay.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.Duration.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.TimeZone.prototype,
+            value,
+          ) ||
+          ObjectPrototypeIsPrototypeOf(
+            globalThis.Temporal.Calendar.prototype,
+            value,
+          )
+        )
+      ) {
+        // Temporal is not available in primordials yet
+        // deno-lint-ignore prefer-primordials
+        return ctx.stylize(value.toString(), "temporal");
+      } else if (
         (proxyDetails === null &&
           (isNativeError(value) ||
             ObjectPrototypeIsPrototypeOf(ErrorPrototype, value))) ||