add span stack trace to rendered causes

Effect-TS · May 1, 2024 · 02c3f03 · 02c3f03
1 parent 142048e
commit 02c3f03
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diff --git a/.changeset/few-bikes-cheer.md b/.changeset/few-bikes-cheer.md
@@ -0,0 +1,5 @@
+---
+"effect": patch
+---
+
+add span stack trace to rendered causes
diff --git a/packages/effect/src/internal/cause.ts b/packages/effect/src/internal/cause.ts
@@ -994,7 +994,11 @@ export const pretty = <E>(cause: Cause.Cause<E>): string => {
       let current: Span | AnySpan | undefined = e.span
       let i = 0
       while (current && current._tag === "Span" && i < 10) {
+        const stack = current.attributes.get("code.stacktrace")
         message += `\r\n    at ${current.name}`
+        if (typeof stack === "string") {
+          message += `\r\n        ${filterStack(stack)}`
+        }
         current = Option.getOrUndefined(current.parent)
         i++
       }

diff --git a/packages/effect/test/Effect/cause-rendering.test.ts b/packages/effect/test/Effect/cause-rendering.test.ts
@@ -16,7 +16,9 @@ describe("Effect", () => {
       )))
       const rendered = Cause.pretty(cause)
       assert.include(rendered, "spanA")
+      assert.include(rendered, "cause-rendering.test.ts:12")
       assert.include(rendered, "spanB")
+      assert.include(rendered, "cause-rendering.test.ts:11")
     }))
   it.effect("catchTag should not invalidate traces", () =>
     Effect.gen(function*($) {