floatingEffect

Detects Effect values that are neither yielded nor assigned

Property	Value
Category	Correctness
Default severity	error
Fixable	Yes
Effect versions	v3, v4
Diagnostic codes	TS377001, TS377058
Language Service name	floatingEffect
Oxlint name	effecttsgo/floating-effect

Preview

import * as Effect from "effect/Effect"

Effect.log("forgotten")
/**
^^^^^^^^^^^^^^^^^^^^^^^ effecttsgo(floating-effect): This Effect value is neither yielded nor used in an assignment.
*/

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": {
          "floatingEffect": "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/floating-effect": "warn"
  }
}