Apply the TypeScript 7 repository layout

Author: jakebailey

.c8rc.json

@@ -0,0 +1,10 @@
+# yaml-language-server: $schema=https://golangci-lint.run/jsonschema/custom-gcl.jsonschema.json
+
+version: v2.12.2
+
+destination: ./tools
+
+plugins:
+  - module: 'github.com/microsoft/TypeScript/tools'
+    import: 'github.com/microsoft/TypeScript/tools/customlint'
+    path: ./tools

.custom-gcl.yml

@@ -1,44 +1,28 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the
-// README at: https://github.com/devcontainers/templates/tree/main/src/javascript-node
 {
-    "name": "Node.js",
-    // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-    "image": "mcr.microsoft.com/devcontainers/javascript-node:1-22-bookworm",
-
-    // Features to add to the dev container. More info: https://containers.dev/features.
+    "name": "TypeScript Compiler Development",
+    "image": "mcr.microsoft.com/devcontainers/go:dev-1.26-bookworm",
     "features": {
-        "ghcr.io/devcontainers/features/go:1": {}
+        "ghcr.io/devcontainers/features/node:2": {
+            "version": "24",
+            "pnpmVersion": "latest",
+            "nvmVersion": "latest"
+        },
+        "ghcr.io/devcontainers-extra/features/dprint-asdf:2": {
+            "version": "latest"
+        },
+        "ghcr.io/devcontainers/features/github-cli:1": {}
     },
-
-    // Use 'forwardPorts' to make a list of ports inside the container available locally.
-    // "forwardPorts": [],
-
-    // Use 'postCreateCommand' to run commands after the container is created.
     "postCreateCommand": {
-        "Configure Build Tools": "sudo npm install -g hereby; npm ci",
-        "Install pprof": "go install github.com/google/pprof@latest",
-        "Install Graphviz": "sudo apt install graphviz"
+        "Install dependencies": "npm ci; go -C ./tsc mod download; go -C ./tools mod download",
+        "Install repository tools": "npx hereby install-tools; go install github.com/google/pprof@latest",
+        "Install Graphviz": "sudo apt update -y; sudo apt install -y graphviz"
     },
-
-    // Configure tool-specific properties.
     "customizations": {
         "vscode": {
-            "settings": {
-                "terminal.integrated.defaultProfile.linux": "bash",
-                "terminal.integrated.profiles.linux": {
-                    "bash": {
-                        "path": "/bin/bash",
-                        "icon": "terminal-bash"
-                    }
-                }
-            },
             "extensions": [
-                "dbaeumer.vscode-eslint",
-                "dprint.dprint"
+                "dprint.dprint",
+                "golang.go"
             ]
         }
-    },
-
-    // More info: https://aka.ms/dev-containers-non-root.
-    "remoteUser": "node"
+    }
 }

.devcontainer/devcontainer.json

@@ -37,24 +37,35 @@
         // This would be good to do in known-JSONC files, but VS Code warns on trailing commas.
         "trailingCommas": "never"
     },
+    "gofumpt": {
+        "langVersion": "go1.26",
+        "modulePath": "github.com/microsoft/TypeScript/tsc"
+    },
     "excludes": [
         "**/.git",
         "**/node_modules",
         "**/*-lock.json",
-        "coverage/**",
-        "lib/**",
-        "built/**",
-        "tests/**",
-        "internal/**",
-        "**/*.generated.*",
-        "scripts/*.d.*",
-        "**/_namespaces/**"
+        "**/testdata",
+        "packages/vscode-typescript/l10n/**",
+        "tsc/internal/bundled/libs/**",
+        "tsc/internal/lsp/lsproto/_generate/*.json",
+        "tsc/internal/lsp/lsproto/_generate/metaModelSchema.mts",
+        // Needs to be LF to have a working shebang.
+        "packages/typescript/bin/tsc",
+        "tsc/internal/bundled/source/**",
+        "tsc/internal/locale/lcl/**",
+        "packages/typescript/dist/**",
+        "packages/typescript/tsconfig.tsbuildinfo",
+        "packages/vscode-typescript/dist/**",
+        "packages/vscode-typescript-nightly/dist/**",
+        "packages/typescript/vendor/**"
     ],
     // Note: if adding new languages, make sure settings.template.json is updated too.
     // Also, if updating typescript, update the one in package.json.
     "plugins": [
-        "https://plugins.dprint.dev/typescript-0.93.4.wasm",
-        "https://plugins.dprint.dev/json-0.19.4.wasm",
-        "https://plugins.dprint.dev/g-plane/pretty_yaml-v0.5.0.wasm"
+        "npm:@dprint/typescript@0.96.1",
+        "npm:@dprint/json@0.22.0",
+        "npm:dprint-plugin-yaml@0.6.0",
+        "npm:@jakebailey/dprint-plugin-gofumpt@0.0.13"
     ]
 }

.dprint.jsonc

@@ -1,3 +1,4 @@
 *.js linguist-language=TypeScript
 **/*.json linguist-language=jsonc
 * -text
+*.go text eol=lf

.editorconfig

@@ -9,7 +9,7 @@ You are a crash triage and replay minimization agent.
 
 ## Goal
 
-Given a replay file and a project directory provided by the user, you MUST use the built-in Go replay test (`TestReplay` in `internal/lsp/replay_test.go`) to:
+Given a replay file and a project directory provided by the user, you MUST use the built-in Go replay test (`TestReplay` in `tsc/internal/lsp/replay_test.go`) to:
 
 1. Reproduce the crash deterministically (or characterize flakiness)
 2. Identify a stable crash signature (stack/exception/location)
@@ -30,8 +30,8 @@ If either is missing, ask the user to provide it before proceeding.
 Use the built-in Go test `TestReplay` located at `internal/lsp/replay_test.go`. Run it from the repository root with:
 
 ```bash
-cd <typescript-go repo root>
-go test ./internal/lsp/ -run ^TestReplay$ -replay <path/to/replay.txt> -testDir <path/to/project/dir> -timeout 120s 2>&1
+cd <TypeScript repo root>
+go -C ./tsc test ./internal/lsp/ -run ^TestReplay$ -replay <path/to/replay.txt> -testDir <path/to/project/dir> -timeout 120s 2>&1
 ```
 
 ### Available flags

.gitattributes

@@ -1,10 +1,12 @@
 name: CodeQL Configuration
 
 paths-ignore:
-  - src/lib
-  - tests
+  - built
+  - packages/*/dist
+  - tsc/internal/bundled/libs
+  - tsc/internal/bundled/source
+  - tsc/testdata
 
 query-filters:
-  # Falls over on our dynamic RegExp generation
   - exclude:
       id: js/regex-injection