nestedEffectGenYield

Warns when yielding a nested bare Effect.gen inside an existing Effect generator context

Property	Value
Category	Style
Default severity	off
Fixable	No
Effect versions	v3, v4
Diagnostic codes	TS377083
Language Service name	nestedEffectGenYield
Oxlint name	effecttsgo/nested-effect-gen-yield

Preview

import { Effect } from "effect"

export const preview = Effect.gen(function*() {
	yield* Effect.gen(function*() {
/**
	       ^^^^^^^^^^^^^^^^^^^^^^^^ effecttsgo(nested-effect-gen-yield): This `yield*` is applied to a nested `Effect.gen(...)` that can be inlined in the parent Effect generator context.
*/
		return 1
/**
^^^^^^^^^^
*/
	})
/**
^^^
*/
})

Language Service Configuration

See the Language Service setup guide for installation instructions.

{
  "$schema": "./node_modules/@effect/tsgo/schema.json",
  "compilerOptions": {
    "plugins": [
      {
        "name": "@effect/language-service",
        "diagnosticSeverity": {
          "nestedEffectGenYield": "warning"
        }
      }
    ]
  }
}

Oxlint Configuration

See the Oxlint setup guide for installation and patching instructions.

{
  "$schema": "./node_modules/@effect/tsgo/oxlint-schema.json",
  "options": {
    "typeAware": true
  },
  "plugins": ["effecttsgo"],
  "rules": {
    "effecttsgo/nested-effect-gen-yield": "warn"
  }
}