Use dprint as the default formatter

.vscode/extensions.json

@@ -0,0 +1,3 @@
+{
+  "recommendations": ["dprint.dprint"]
+}

.vscode/settings.json

@@ -0,0 +1,28 @@
+{
+  "dprint.path": "node_modules/.bin/dprint",
+  "editor.formatOnSave": true,
+  "editor.defaultFormatter": "dprint.dprint",
+  "editor.formatOnSaveMode": "file",
+  "files.insertFinalNewline": true,
+  "[typescript]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  },
+  "[typescriptreact]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  },
+  "[javascript]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  },
+  "[javascriptreact]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  },
+  "[json]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  },
+  "[jsonc]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  },
+  "[markdown]": {
+    "editor.defaultFormatter": "dprint.dprint"
+  }
+}

README.md

@@ -19,8 +19,8 @@ require upgrading Effect in lockstep; do not override the peer to another beta.
 
 ```ts
 import { Machine } from "@typeonce/effect-machine"
-import { AtomMachine } from "@typeonce/effect-machine/reactivity"
 import { ClusterMachine } from "@typeonce/effect-machine/cluster"
+import { AtomMachine } from "@typeonce/effect-machine/reactivity"
 ```
 
 Each ESM entrypoint is independent and tree-shakeable. Importing the root does
@@ -37,8 +37,8 @@ property contains the individual tagged schemas, and each case has a typed
 `make` constructor.
 
 ```ts
-import { Schema } from "effect"
 import { Machine } from "@typeonce/effect-machine"
+import { Schema } from "effect"
 
 const State = Schema.TaggedUnion({
   Idle: {},
@@ -256,7 +256,9 @@ effects in `Machine.action`; actions are staged during planning and run by the
 managed runtime before it publishes the next state.
 
 ```ts
-Save: ({ target }) => Machine.action(writeAuditLog, target.local.Saving.from())
+const handlers = {
+  Save: ({ target }) => Machine.action(writeAuditLog, target.local.Saving.from())
+}
 ```
 
 The one-argument form returns `void` after staging. The two-argument form
@@ -283,16 +285,18 @@ state interrupts the child. For a one-shot Effect, `Machine.invokeEffect` maps
 typed success and failure values directly to internal events:
 
 ```ts
-invoke: ({ state }) =>
-  Machine.invokeEffect({
-    id: "save",
-    effect: save(state),
-    onSuccess: (entry) => InternalEvent.cases.Saved.make({ id: entry.id }),
-    onFailure: (error) =>
-      InternalEvent.cases.SaveFailed.make({
-        message: String(error)
-      })
-  })
+const loading = {
+  invoke: ({ state }) =>
+    Machine.invokeEffect({
+      id: "save",
+      effect: save(state),
+      onSuccess: (entry) => InternalEvent.cases.Saved.make({ id: entry.id }),
+      onFailure: (error) =>
+        InternalEvent.cases.SaveFailed.make({
+          message: String(error)
+        })
+    })
+}
 ```
 
 Omit `onFailure` when the Effect cannot fail. Defects and interruption remain
@@ -344,8 +348,8 @@ Exporting one descriptor remains the clearest module boundary.
 disposing the registry-owned reference stops it.
 
 ```ts
-import { Atom } from "effect/unstable/reactivity"
 import { AtomMachine } from "@typeonce/effect-machine/reactivity"
+import { Atom } from "effect/unstable/reactivity"
 
 const runtime = Atom.runtime(AppLayer)
 const machines = AtomMachine.bind(runtime)

dprint.json

@@ -0,0 +1,32 @@
+{
+  "$schema": "https://dprint.dev/schemas/v0.json",
+  "incremental": false,
+  "includes": ["**/*.{ts,tsx,js,jsx,json,md}"],
+  "indentWidth": 2,
+  "lineWidth": 120,
+  "newLineKind": "lf",
+  "typescript": {
+    "semiColons": "asi",
+    "quoteStyle": "alwaysDouble",
+    "trailingCommas": "never",
+    "operatorPosition": "maintain",
+    "arrowFunction.useParentheses": "force"
+  },
+  "excludes": [
+    "LLMS.md",
+    "**/dist",
+    "**/build",
+    "**/docs",
+    "**/coverage",
+    "packages/**/CHANGELOG.md",
+    "!scratchpad/**/*",
+    ".agents",
+    ".context",
+    ".specs"
+  ],
+  "plugins": [
+    "https://plugins.dprint.dev/typescript-0.93.4.wasm",
+    "https://plugins.dprint.dev/markdown-0.20.0.wasm",
+    "https://plugins.dprint.dev/json-0.21.1.wasm"
+  ]
+}

examples/platformer/src/machine.ts

@@ -1,5 +1,5 @@
-import { Effect, Schema } from "effect"
 import { Machine } from "@typeonce/effect-machine"
+import { Effect, Schema } from "effect"
 
 // Domain schemas are shared by state payloads and the public physics protocol.
 export const Axis = Schema.Literals([-1, 0, 1])
@@ -127,12 +127,11 @@ const initialCharacter = () =>
     character
       .locomotion(State.cases.Locomotion.make({}), (locomotion) =>
         locomotion.Grounded(State.cases.Grounded.make({}), (grounded) =>
-          grounded.Standing(State.cases.Standing.make({}))
-        )
-      )
-      .facing(State.cases.Facing.make({}), (facing) => facing.Right(State.cases.Right.make({})))
-      .contact(State.cases.WallContact.make({}), (contact) => contact.NoWall(State.cases.NoWall.make({})))
-  )
+          grounded.Standing(State.cases.Standing.make({}))))
+      .facing(State.cases.Facing.make({}), (facing) =>
+        facing.Right(State.cases.Right.make({})))
+      .contact(State.cases.WallContact.make({}), (contact) =>
+        contact.NoWall(State.cases.NoWall.make({}))))
 
 export const CharacterMachine = Machine.make({
   id: "PlatformerCharacter",
@@ -159,22 +158,17 @@ export const CharacterMachine = Machine.make({
                           .motion(State.cases.Motion.make({}), (motion) =>
                             motion.Jumping(
                               State.cases.Jumping.make({ startedAt: event.at, push: 0, kind: "Ground" })
-                            )
-                          )
+                            ))
                           .airJump(State.cases.AirJump.make({}), (airJump) =>
-                            airJump.AirJumpGroundLock(State.cases.AirJumpGroundLock.make({}))
-                          )
-                      )
-                    )
-                    .facing(State.cases.Facing.make({}), (facing) => facing.Right(State.cases.Right.make({})))
+                            airJump.AirJumpGroundLock(State.cases.AirJumpGroundLock.make({})))))
+                    .facing(State.cases.Facing.make({}), (facing) =>
+                      facing.Right(State.cases.Right.make({})))
                     .contact(State.cases.WallContact.make({}), (contact) =>
                       event.wall === -1
                         ? contact.LeftWall(State.cases.LeftWall.make({}))
                         : event.wall === 1
-                          ? contact.RightWall(State.cases.RightWall.make({}))
-                          : contact.NoWall(State.cases.NoWall.make({}))
-                    )
-                )
+                        ? contact.RightWall(State.cases.RightWall.make({}))
+                        : contact.NoWall(State.cases.NoWall.make({}))))
             },
             states: {
               Standing: {
@@ -220,7 +214,7 @@ export const CharacterMachine = Machine.make({
           },
           Airborne: {
             on: {
-              JumpPressed: Effect.fn(function* ({ event, runtime }) {
+              JumpPressed: Effect.fn(function*({ event, runtime }) {
                 const machine = yield* runtime
                 const push = awayFrom(event.wall)
                 yield* machine.raise(
@@ -230,14 +224,16 @@ export const CharacterMachine = Machine.make({
                 )
               }),
               Landed: ({ event, target }) =>
-                target.branch.Character.locomotion.Grounded(State.cases.Grounded.make({}), (grounded) =>
-                  grounded.Landing(
-                    State.cases.Landing.make({
-                      impact: event.impact,
-                      resumeAxis: event.axis,
-                      landedAt: event.at
-                    })
-                  )
+                target.branch.Character.locomotion.Grounded(
+                  State.cases.Grounded.make({}),
+                  (grounded) =>
+                    grounded.Landing(
+                      State.cases.Landing.make({
+                        impact: event.impact,
+                        resumeAxis: event.axis,
+                        landedAt: event.at
+                      })
+                    )
                 )
             },
             states: {
@@ -274,8 +270,7 @@ export const CharacterMachine = Machine.make({
                 on: {
                   WallJump: {
                     reenter: true,
-                    transition: ({ target }) =>
-                      target.local.AirJumpWallLock(State.cases.AirJumpWallLock.make({}))
+                    transition: ({ target }) => target.local.AirJumpWallLock(State.cases.AirJumpWallLock.make({}))
                   }
                 },
                 states: {
@@ -284,22 +279,20 @@ export const CharacterMachine = Machine.make({
                       id: "ground-air-jump-unlock"
                     }),
                     on: {
-                      AirJumpUnlocked: ({ target }) =>
-                        target.local.AirJumpReady(State.cases.AirJumpReady.make({}))
+                      AirJumpUnlocked: ({ target }) => target.local.AirJumpReady(State.cases.AirJumpReady.make({}))
                     }
                   },
                   AirJumpWallLock: {
                     invoke: Machine.after("240 millis", InternalEvent.cases.AirJumpUnlocked.make({}), {
                       id: "wall-air-jump-unlock"
                     }),
                     on: {
-                      AirJumpUnlocked: ({ target }) =>
-                        target.local.AirJumpReady(State.cases.AirJumpReady.make({}))
+                      AirJumpUnlocked: ({ target }) => target.local.AirJumpReady(State.cases.AirJumpReady.make({}))
                     }
                   },
                   AirJumpReady: {
                     on: {
-                      TryAirJump: Effect.fn(function* ({ event, runtime, target }) {
+                      TryAirJump: Effect.fn(function*({ event, runtime, target }) {
                         const machine = yield* runtime
                         yield* machine.raise(InternalEvent.cases.DoubleJump.make({ at: event.at }))
                         return target.local.AirJumpSpent(State.cases.AirJumpSpent.make({}))
@@ -325,8 +318,7 @@ export const CharacterMachine = Machine.make({
           },
           Right: {
             on: {
-              Move: ({ event, target }) =>
-                event.axis === -1 ? target.local.Left(State.cases.Left.make({})) : undefined,
+              Move: ({ event, target }) => event.axis === -1 ? target.local.Left(State.cases.Left.make({})) : undefined,
               WallJump: ({ event, target }) =>
                 event.push === -1 ? target.local.Left(State.cases.Left.make({})) : undefined
             }
@@ -339,8 +331,8 @@ export const CharacterMachine = Machine.make({
             event.wall === -1
               ? target.local.LeftWall(State.cases.LeftWall.make({}))
               : event.wall === 1
-                ? target.local.RightWall(State.cases.RightWall.make({}))
-                : target.local.NoWall(State.cases.NoWall.make({}))
+              ? target.local.RightWall(State.cases.RightWall.make({}))
+              : target.local.NoWall(State.cases.NoWall.make({}))
         },
         states: {
           NoWall: {},

examples/platformer/src/main.ts

@@ -1,17 +1,17 @@
 import "./styles.css"
-import { Effect, Fiber, Stream } from "effect"
 import { Machine } from "@typeonce/effect-machine"
+import { Effect, Fiber, Stream } from "effect"
 import { GameAdapter } from "./game.ts"
 import {
   activeStateData,
   airJumpMode,
+  type CharacterEvent,
   CharacterMachine,
+  type CharacterSnapshot,
   facingDirection,
   locomotionBranch,
   locomotionMode,
-  wallContact,
-  type CharacterEvent,
-  type CharacterSnapshot
+  wallContact
 } from "./machine.ts"
 
 const requiredElement = <ElementType extends Element>(selector: string) => {
@@ -59,7 +59,7 @@ const publish = (next: CharacterSnapshot) => {
   })
 }
 
-const program = Effect.gen(function* () {
+const program = Effect.gen(function*() {
   const actor = yield* Machine.start(CharacterMachine)
   deliver = (event) => Effect.runFork(actor.send(event).pipe(Effect.catchTag("StoppedError", () => Effect.void)))
   publish(yield* actor.state)

examples/pokemon/src/machine.ts

@@ -1,7 +1,7 @@
-import { Effect, Schema } from "effect"
 import { Machine } from "@typeonce/effect-machine"
-import { Atom } from "effect/unstable/reactivity"
 import { AtomMachine } from "@typeonce/effect-machine/reactivity"
+import { Effect, Schema } from "effect"
+import { Atom } from "effect/unstable/reactivity"
 import { ReplaceMachine } from "./machines/replace.ts"
 import { SelectionMachine } from "./machines/selection.ts"
 import { Pokemon, PokemonService, ReplaceInTeam } from "./pokemon.ts"
@@ -18,7 +18,7 @@ export const ReplaceChild = Machine.child("replace", ReplaceMachine)
 const machine = Machine.make({
   states: States.states,
   events: [ReplaceInTeam],
-  initial: Effect.fn(function* () {
+  initial: Effect.fn(function*() {
     const pk = yield* PokemonService
     const team = yield* pk.getRandomTeam()
     return States.initial.ActiveTeam(new ActiveTeam({ team }))

examples/pokemon/src/machines/replace.ts

@@ -1,5 +1,5 @@
-import { Effect, Schema } from "effect"
 import { Machine } from "@typeonce/effect-machine"
+import { Effect, Schema } from "effect"
 import { Pokemon, PokemonService, ReplaceInTeam } from "../pokemon.ts"
 
 class Idle extends Schema.TaggedClass<Idle>("Idle")("Idle", {}) {}
@@ -24,7 +24,7 @@ const ReplaceWithRandomMachine = Machine.invoke({
     Machine.effect(
       Effect.sleep("500 millis").pipe(
         Effect.andThen(
-          Effect.gen(function* () {
+          Effect.gen(function*() {
             const pk = yield* PokemonService
             const pokemon = yield* pk.getRandomPokemon()
             return new Replaced({ pokemon })

examples/pokemon/src/machines/selection.ts

@@ -1,5 +1,5 @@
-import { Effect, Option, Schema } from "effect"
 import { Machine } from "@typeonce/effect-machine"
+import { Effect, Option, Schema } from "effect"
 import { Pokemon, PokemonService, ReplaceInTeam } from "../pokemon.ts"
 
 class Form extends Schema.TaggedClass<Form>("Form")("Form", {}) {}
@@ -49,7 +49,7 @@ const SearchMachine = ({ searchText }: { searchText: string }) =>
       Machine.effect(
         Effect.sleep("500 millis").pipe(
           Effect.andThen(
-            Effect.gen(function* () {
+            Effect.gen(function*() {
               const pk = yield* PokemonService
               const pokemon = yield* pk.getByName(searchText)
               return new SearchResult({ result: pokemon })
@@ -95,8 +95,7 @@ export const SelectionMachine = Machine.make({
     SelectionStates.initial.form(new Form(), (form) =>
       form
         .search(new Search({ searchText: "" }), (search) => search.NoPokemon(new NoPokemon()))
-        .selection(new Selection(), (selection) => selection.Unselected(new Unselected()))
-    )
+        .selection(new Selection(), (selection) => selection.Unselected(new Unselected())))
 }).handle({
   form: {
     states: {
@@ -117,8 +116,7 @@ export const SelectionMachine = Machine.make({
                     target.full.form(new Form(), (form) =>
                       form
                         .search(new Search({ searchText: "" }), (search) => search.NoPokemon(new NoPokemon()))
-                        .selection(new Selection(), (selection) => selection.Unselected(new Unselected()))
-                    )
+                        .selection(new Selection(), (selection) => selection.Unselected(new Unselected())))
                   )
                 )
             }