Rename Red Knot (#17820)

playground/.prettierignore

@@ -1,5 +1,5 @@
 **.md
 ruff/dist
 ruff/ruff_wasm
-knot/dist
-knot/red_knot_wasm
+ty/dist
+ty/ty_wasm

playground/README.md

@@ -5,8 +5,8 @@ In-browser playground for Ruff. Available [https://play.ruff.rs/](https://play.r
 ## Getting started
 
 Install the NPM dependencies with `npm install`, and run, and run the development server with
-`npm start --workspace ruff-playground` or `npm start --workspace knot-playground`.
-You may need to restart the server after making changes to Ruff or Red Knot to re-build the WASM
+`npm start --workspace ruff-playground` or `npm start --workspace ty-playground`.
+You may need to restart the server after making changes to Ruff or ty to re-build the WASM
 module.
 
 To run the datastore, which is based
@@ -37,4 +37,4 @@ additional inspiration from the [Biome Playground](https://biomejs.dev/playgroun
 ### Stack overflows
 
 If you see stack overflows in the playground, build the WASM module in release mode:
-`npm run --workspace knot-playground build:wasm`.
+`npm run --workspace ty-playground build:wasm`.

playground/package-lock.json

@@ -8,7 +8,7 @@
       "name": "playground",
       "version": "0.0.0",
       "workspaces": [
-        "knot",
+        "ty",
         "ruff",
         "shared"
       ],
@@ -30,9 +30,10 @@
         "wasm-pack": "^0.13.1"
       }
     },
-    "knot": {
-      "name": "knot-playground",
+    "ty": {
+      "name": "ty-playground",
       "version": "0.0.0",
+      "extraneous": true,
       "dependencies": {
         "@monaco-editor/react": "^4.7.0",
         "classnames": "^2.5.1",
@@ -42,7 +43,7 @@
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
         "react-resizable-panels": "^2.1.7",
-        "red_knot_wasm": "file:red_knot_wasm",
+        "ty_wasm": "file:ty_wasm",
         "shared": "0.0.0",
         "smol-toml": "^1.3.1"
       },
@@ -50,8 +51,9 @@
         "vite-plugin-static-copy": "^2.3.0"
       }
     },
-    "knot/red_knot_wasm": {
+    "ty/ty_wasm": {
       "version": "0.0.0",
+      "extraneous": true,
       "license": "MIT"
     },
     "node_modules/@esbuild/aix-ppc64": {
@@ -4078,10 +4080,6 @@
         "json-buffer": "3.0.1"
       }
     },
-    "node_modules/knot-playground": {
-      "resolved": "knot",
-      "link": true
-    },
     "node_modules/levn": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/levn/-/levn-0.4.1.tgz",
@@ -4991,10 +4989,6 @@
         "node": ">=8.10.0"
       }
     },
-    "node_modules/red_knot_wasm": {
-      "resolved": "knot/red_knot_wasm",
-      "link": true
-    },
     "node_modules/reflect.getprototypeof": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/reflect.getprototypeof/-/reflect.getprototypeof-1.0.10.tgz",
@@ -5641,6 +5635,14 @@
         "strip-bom": "^3.0.0"
       }
     },
+    "node_modules/ty_wasm": {
+      "resolved": "ty/ty_wasm",
+      "link": true
+    },
+    "node_modules/ty-playground": {
+      "resolved": "ty",
+      "link": true
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -5881,9 +5883,9 @@
       }
     },
     "node_modules/vite-plugin-static-copy": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/vite-plugin-static-copy/-/vite-plugin-static-copy-2.3.0.tgz",
-      "integrity": "sha512-LLKwhhHetGaCnWz4mas4qqjjguDka6/6b4+SeIohRroj8aCE7QTfiZECfPecslFQkWZ3HdQuq5kOPmWZjNYlKA==",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/vite-plugin-static-copy/-/vite-plugin-static-copy-2.3.1.tgz",
+      "integrity": "sha512-EfsPcBm3ewg3UMG8RJaC0ADq6/qnUZnokXx4By4+2cAcipjT9i0Y0owIJGqmZI7d6nxk4qB1q5aXOwNuSyPdyA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -6037,9 +6039,9 @@
       "license": "ISC"
     },
     "node_modules/ws": {
-      "version": "8.18.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.1.tgz",
-      "integrity": "sha512-RKW2aJZMXeMxVpnZ6bck+RswznaxmzdULiBr6KY7XkTnW8uvt0iT9H5DkHUChXrc+uurzwa0rVI16n/Xzjdz1w==",
+      "version": "8.18.2",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.2.tgz",
+      "integrity": "sha512-DMricUmwGZUVr++AEAe2uiVM7UoO9MAVZMDu05UQOaUII0lp+zOzLLU4Xqh/JvTqklB1T4uELaaPBKyjE1r4fQ==",
       "license": "MIT",
       "engines": {
         "node": ">=10.0.0"
@@ -6094,7 +6096,7 @@
       }
     },
     "ruff/ruff_wasm": {
-      "version": "0.11.4",
+      "version": "0.11.8",
       "license": "MIT"
     },
     "shared": {
@@ -6105,6 +6107,31 @@
         "react": "^19.0.0",
         "react-resizable-panels": "^2.1.7"
       }
+    },
+    "ty": {
+      "name": "ty-playground",
+      "version": "0.0.0",
+      "dependencies": {
+        "@monaco-editor/react": "^4.7.0",
+        "classnames": "^2.5.1",
+        "lz-string": "^1.5.0",
+        "monaco-editor": "^0.52.2",
+        "pyodide": "^0.27.4",
+        "react": "^19.0.0",
+        "react-dom": "^19.0.0",
+        "react-resizable-panels": "^2.1.7",
+        "shared": "0.0.0",
+        "smol-toml": "^1.3.1",
+        "ty_wasm": "file:ty_wasm"
+      },
+      "devDependencies": {
+        "vite-plugin-static-copy": "^2.3.0"
+      }
+    },
+    "ty/ty_wasm": {
+      "name": "ty_wasm",
+      "version": "0.0.0",
+      "license": "MIT"
     }
   }
 }

playground/package.json

@@ -5,15 +5,15 @@
   "type": "module",
   "scripts": {
     "check": "npm run dev:wasm && npm run lint && npm run tsc",
-    "dev:wasm": "npm run dev:wasm --workspace knot-playground && npm run dev:wasm --workspace ruff-playground",
-    "dev:build": "npm run dev:build --workspace knot-playground && npm run dev:build --workspace ruff-playground",
+    "dev:wasm": "npm run dev:wasm --workspace ty-playground && npm run dev:wasm --workspace ruff-playground",
+    "dev:build": "npm run dev:build --workspace ty-playground && npm run dev:build --workspace ruff-playground",
     "fmt": "prettier --cache -w .",
     "fmt:check": "prettier --cache --check .",
-    "lint": "eslint --cache --ext .ts,.tsx ruff/src knot/src",
+    "lint": "eslint --cache --ext .ts,.tsx ruff/src ty/src",
     "tsc": "tsc"
   },
   "workspaces": [
-    "knot",
+    "ty",
     "ruff",
     "shared"
   ],

playground/tsconfig.json

@@ -16,6 +16,10 @@
     "noEmit": true,
     "jsx": "react-jsx"
   },
-  "include": ["ruff/src", "knot/src"],
-  "references": [{ "path": "./tsconfig.node.json" }]
+  "include": ["ruff/src", "ty/src"],
+  "references": [
+    {
+      "path": "./tsconfig.node.json"
+    }
+  ]
 }

playground/tsconfig.node.json

@@ -5,5 +5,5 @@
     "moduleResolution": "Node",
     "allowSyntheticDefaultImports": true
   },
-  "include": ["ruff/vite.config.ts", "knot/vite.config.ts"]
+  "include": ["ruff/vite.config.ts", "ty/vite.config.ts"]
 }

playground/ty/index.html

@@ -9,18 +9,18 @@
     <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
     <meta name="msapplication-TileColor" content="#d7ff64" />
     <meta name="theme-color" content="#ffffff" />
-    <title>Playground | Red Knot</title>
+    <title>Playground | ty</title>
     <meta
       name="description"
-      content="An in-browser playground for Red Knot, an extremely fast Python type-checker written in Rust."
+      content="An in-browser playground for ty, an extremely fast Python type-checker written in Rust."
     />
     <meta name="keywords" content="ruff, python, rust, webassembly, wasm" />
     <meta name="twitter:card" content="summary_large_image" />
     <meta name="twitter:site" content="@astral_sh" />
-    <meta property="og:title" content="Playground | Ruff" />
+    <meta property="og:title" content="Playground | ty" />
     <meta
       property="og:description"
-      content="An in-browser playground for Ruff, an extremely fast Python type-checker written in Rust."
+      content="An in-browser playground for ty, an extremely fast Python type-checker written in Rust."
     />
     <meta property="og:url" content="https://play.ruff.rs" />
     <meta property="og:image" content="/Astral.png" />

playground/ty/package.json

@@ -1,13 +1,13 @@
 {
-  "name": "knot-playground",
+  "name": "ty-playground",
   "private": true,
   "version": "0.0.0",
   "type": "module",
   "scripts": {
     "prebuild": "npm run build:wasm",
     "build": "vite build",
-    "build:wasm": "wasm-pack build ../../crates/red_knot_wasm --target web --out-dir ../../playground/knot/red_knot_wasm",
-    "dev:wasm": "wasm-pack build ../../crates/red_knot_wasm --dev --target web --out-dir ../../playground/knot/red_knot_wasm",
+    "build:wasm": "wasm-pack build ../../crates/ty_wasm --target web --out-dir ../../playground/ty/ty_wasm",
+    "dev:wasm": "wasm-pack build ../../crates/ty_wasm --dev --target web --out-dir ../../playground/ty/ty_wasm",
     "predev:build": "npm run dev:wasm",
     "dev:build": "vite build",
     "prestart": "npm run dev:wasm",
@@ -23,9 +23,9 @@
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-resizable-panels": "^2.1.7",
-    "red_knot_wasm": "file:red_knot_wasm",
     "shared": "0.0.0",
-    "smol-toml": "^1.3.1"
+    "smol-toml": "^1.3.1",
+    "ty_wasm": "file:ty_wasm"
   },
   "overrides": {
     "@monaco-editor/react": {

playground/ty/src/Editor/Chrome.tsx

@@ -13,7 +13,7 @@ import {
   Theme,
   VerticalResizeHandle,
 } from "shared";
-import type { Workspace } from "red_knot_wasm";
+import type { Workspace } from "ty_wasm";
 import { Panel, PanelGroup } from "react-resizable-panels";
 import { Files, isPythonFile } from "./Files";
 import SecondarySideBar from "./SecondarySideBar";

playground/ty/src/Editor/Diagnostics.tsx

@@ -1,4 +1,4 @@
-import type { Severity, Range, TextRange } from "red_knot_wasm";
+import type { Severity, Range, TextRange } from "ty_wasm";
 import classNames from "classnames";
 import { Theme } from "shared";
 import { useMemo } from "react";

playground/ty/src/Editor/Editor.tsx

@@ -18,11 +18,11 @@ import {
 import { useCallback, useEffect, useRef } from "react";
 import { Theme } from "shared";
 import {
-  Range as KnotRange,
+  Range as TyRange,
   Severity,
   type Workspace,
-  Position as KnotPosition,
-} from "red_knot_wasm";
+  Position as TyPosition,
+} from "ty_wasm";
 
 import IStandaloneCodeEditor = editor.IStandaloneCodeEditor;
 import { FileId, ReadonlyFiles } from "../Playground";
@@ -194,7 +194,7 @@ class PlaygroundServer
 
     const inlayHints = workspace.inlayHints(
       selectedHandle,
-      iRangeToKnotRange(range),
+      MonacoRangeToTyRange(range),
     );
 
     if (inlayHints.length === 0) {
@@ -300,7 +300,7 @@ class PlaygroundServer
 
     const hover = workspace.hover(
       selectedHandle,
-      new KnotPosition(position.lineNumber, position.column),
+      new TyPosition(position.lineNumber, position.column),
     );
 
     if (hover == null) {
@@ -308,7 +308,7 @@ class PlaygroundServer
     }
 
     return {
-      range: knotRangeToIRange(hover.range),
+      range: tyRangeToMonacoRange(hover.range),
       contents: [{ value: hover.markdown, isTrusted: true }],
     };
   }
@@ -334,7 +334,7 @@ class PlaygroundServer
 
     const links = workspace.gotoTypeDefinition(
       selectedHandle,
-      new KnotPosition(position.lineNumber, position.column),
+      new TyPosition(position.lineNumber, position.column),
     );
 
     return (
@@ -343,16 +343,16 @@ class PlaygroundServer
           const targetSelection =
             link.selection_range == null
               ? undefined
-              : knotRangeToIRange(link.selection_range);
+              : tyRangeToMonacoRange(link.selection_range);
 
           const originSelection =
             link.origin_selection_range == null
               ? undefined
-              : knotRangeToIRange(link.origin_selection_range);
+              : tyRangeToMonacoRange(link.origin_selection_range);
 
           return {
             uri: Uri.parse(link.path),
-            range: knotRangeToIRange(link.full_range),
+            range: tyRangeToMonacoRange(link.full_range),
             targetSelectionRange: targetSelection,
             originSelectionRange: originSelection,
           } as languages.LocationLink;
@@ -450,7 +450,7 @@ class PlaygroundServer
   }
 }
 
-function knotRangeToIRange(range: KnotRange): IRange {
+function tyRangeToMonacoRange(range: TyRange): IRange {
   return {
     startLineNumber: range.start.line,
     startColumn: range.start.column,
@@ -459,9 +459,9 @@ function knotRangeToIRange(range: KnotRange): IRange {
   };
 }
 
-function iRangeToKnotRange(range: IRange): KnotRange {
-  return new KnotRange(
-    new KnotPosition(range.startLineNumber, range.startColumn),
-    new KnotPosition(range.endLineNumber, range.endColumn),
+function MonacoRangeToTyRange(range: IRange): TyRange {
+  return new TyRange(
+    new TyPosition(range.startLineNumber, range.startColumn),
+    new TyPosition(range.endLineNumber, range.endColumn),
   );
 }

playground/ty/src/Editor/Files.tsx

@@ -2,7 +2,7 @@ import { Icons, Theme } from "shared";
 import classNames from "classnames";
 import { useState } from "react";
 import { FileId } from "../Playground";
-import { type FileHandle } from "red_knot_wasm";
+import { type FileHandle } from "ty_wasm";
 
 export interface Props {
   // The file names

playground/ty/src/Playground.tsx

@@ -10,13 +10,13 @@ import {
   useState,
 } from "react";
 import { ErrorMessage, Header, setupMonaco, useTheme } from "shared";
-import { FileHandle, PositionEncoding, Workspace } from "red_knot_wasm";
+import { FileHandle, PositionEncoding, Workspace } from "ty_wasm";
 import { persist, persistLocal, restore } from "./Editor/persist";
 import { loader } from "@monaco-editor/react";
-import knotSchema from "../../../knot.schema.json";
+import tySchema from "../../../ty.schema.json";
 import Chrome, { formatError } from "./Editor/Chrome";
 
-export const SETTINGS_FILE_NAME = "knot.json";
+export const SETTINGS_FILE_NAME = "ty.json";
 
 export default function Playground() {
   const [theme, setTheme] = useTheme();
@@ -224,13 +224,13 @@ def with_style(line, word, style):
     output += "-" * len(word)
 
 
-print(with_style("Red Knot is a fast type checker for Python.", "fast", "underlined"))
+print(with_style("ty is a fast type checker for Python.", "fast", "underlined"))
 `;
 
 const DEFAULT_WORKSPACE = {
   files: {
     "main.py": DEFAULT_PROGRAM,
-    "knot.json": DEFAULT_SETTINGS,
+    "ty.json": DEFAULT_SETTINGS,
   },
   current: "main.py",
 };
@@ -268,7 +268,7 @@ interface FilesState {
    * The database file handles by file id.
    *
    * Files without a file handle are well-known files that are only handled by the
-   * playground (e.g. knot.json)
+   * playground (e.g. ty.json)
    */
   handles: Readonly<{ [id: FileId]: FileHandle | null }>;
 
@@ -451,14 +451,14 @@ export interface InitializedPlayground {
 
 // Run once during startup. Initializes monaco, loads the wasm file, and restores the previous editor state.
 async function startPlayground(): Promise<InitializedPlayground> {
-  const red_knot = await import("../red_knot_wasm");
-  await red_knot.default();
+  const ty = await import("../ty_wasm");
+  await ty.default();
   const monaco = await loader.init();
 
   setupMonaco(monaco, {
-    uri: "https://raw.githubusercontent.com/astral-sh/ruff/main/knot.schema.json",
-    fileMatch: ["knot.json"],
-    schema: knotSchema,
+    uri: "https://raw.githubusercontent.com/astral-sh/ruff/main/ty.schema.json",
+    fileMatch: ["ty.json"],
+    schema: tySchema,
   });
 
   const restored = await restore();
@@ -483,7 +483,7 @@ function updateOptions(
     workspace?.updateOptions(settings);
     setError(null);
   } catch (error) {
-    setError(`Failed to update 'knot.json' options: ${formatError(error)}`);
+    setError(`Failed to update 'ty.json' options: ${formatError(error)}`);
   }
 }
 
@@ -520,8 +520,17 @@ function restoreWorkspace(
 ) {
   let hasSettings = false;
 
-  for (const [name, content] of Object.entries(state.files)) {
+  // eslint-disable-next-line prefer-const
+  for (let [name, content] of Object.entries(state.files)) {
     let handle = null;
+
+    if (
+      name === "knot.json" &&
+      !Object.keys(state.files).includes(SETTINGS_FILE_NAME)
+    ) {
+      name = SETTINGS_FILE_NAME;
+    }
+
     if (name === SETTINGS_FILE_NAME) {
       updateOptions(workspace, content, setError);
       hasSettings = true;
@@ -536,8 +545,11 @@ function restoreWorkspace(
     updateOptions(workspace, null, setError);
   }
 
+  const selected =
+    state.current === "knot.json" ? SETTINGS_FILE_NAME : state.current;
+
   dispatchFiles({
     type: "selectFileByName",
-    name: state.current,
+    name: selected,
   });
 }