Merge commit '36c66dd290d3ce6eb1ccd310d0c658d4a32bb8eb' as 'repos/effect'

2026-07-19 03:25:18 +05:30
parent dd1071cc10
commit 2daf979036
2214 changed files with 673090 additions and 0 deletions
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+/**
+ * Node-compatible process runner for Effect programs.
+ *
+ * This module provides the shared `runMain` implementation used by
+ * Node-compatible platform packages. It runs one Effect as the main process
+ * fiber, interrupts that fiber on `SIGINT` or `SIGTERM`, and delegates final
+ * exit-code handling to the configured teardown.
+ *
+ * @since 4.0.0
+ */
+import type { Effect } from "effect/Effect"
+import * as Runtime from "effect/Runtime"
+
+/**
+ * Runs an Effect as the Node process main program, interrupting the fiber on
+ * `SIGINT` or `SIGTERM` and invoking the configured teardown to determine the
+ * process exit code.
+ *
+ * @category running
+ * @since 4.0.0
+ */
+export const runMain: {
+  (
+    options?: {
+      readonly disableErrorReporting?: boolean | undefined
+      readonly teardown?: Runtime.Teardown | undefined
+    }
+  ): <E, A>(effect: Effect<A, E>) => void
+  <E, A>(
+    effect: Effect<A, E>,
+    options?: {
+      readonly disableErrorReporting?: boolean | undefined
+      readonly teardown?: Runtime.Teardown | undefined
+    }
+  ): void
+} = Runtime.makeRunMain(({
+  fiber,
+  teardown
+}) => {
+  let receivedSignal = false
+
+  fiber.addObserver((exit) => {
+    process.removeListener("SIGINT", onSigint)
+    process.removeListener("SIGTERM", onSigint)
+    teardown(exit, (code) => {
+      if (receivedSignal || code !== 0) {
+        process.exit(code)
+      }
+    })
+  })
+
+  function onSigint() {
+    receivedSignal = true
+    fiber.interruptUnsafe(fiber.id)
+  }
+
+  process.on("SIGINT", onSigint)
+  process.on("SIGTERM", onSigint)
+})