Copy .github/shared folder and other checks

.gitattributes

@@ -3,6 +3,9 @@
 ###############################################################################
 * text=auto
 
+# Use unix line endings always, even on Windows
+.github/**/*.js text eol=lf
+
 ###############################################################################
 # Set default behavior for command prompt diff.
 #

.github/.gitignore

@@ -0,0 +1 @@
+coverage

.github/.prettierignore

@@ -0,0 +1,37 @@
+# python customizations
+actions
+agents
+hooks
+skills
+workflows
+PULL_REQUEST_TEMPLATE.md
+
+# this file
+.prettierignore
+
+# code coverage
+coverage
+
+# specs in test folders
+fixtures
+specification
+
+# auto-generated agentic workflow lock files
+workflows/*.lock.yml
+
+# unmanaged files and folders
+**/*instructions.md
+chatmodes
+ISSUE_TEMPLATE
+policies
+prompts
+PULL_REQUEST_TEMPLATE
+
+# lock files for agent workflows
+**/*.lock.yml
+
+# synced from external repos
+workflows/post-apiview.yml
+
+# synced GitHub skills
+.github/skills/azsdk-common-*

.github/.prettierrc.yaml

@@ -0,0 +1,15 @@
+# Keep in sync with eng/tools/.prettierrc.yaml
+
+plugins:
+  - prettier-plugin-organize-imports
+
+# Aligned with microsoft/typespec
+printWidth: 100
+
+overrides:
+  # tsconfig.json is actually parsed as JSONC
+  - files:
+      - tsconfig.json
+      - tsconfig.*.json
+    options:
+      parser: jsonc

.github/actions/install-deps-github-script/action.yaml

@@ -0,0 +1,17 @@
+name: Install dependencies for github-script actions
+description: Installs dependencies for github-script actions
+
+runs:
+  using: composite
+
+  steps:
+    - uses: ./.github/actions/setup-node-install-deps
+      with:
+        # actions/github-script@v8 uses Node 24
+        node-version: 24.x
+        # "--no-audit": improves performance
+        # "--no-fund": improves performance
+        # "--prefer-offline": improves performance
+        # "--omit dev": not needed at runtime, improves performance
+        install-command: "npm ci --no-audit --no-fund --prefer-offline --omit dev"
+        working-directory: ./.github

.github/actions/setup-node-install-deps/action.yaml

@@ -0,0 +1,39 @@
+name: Setup Node and install dependencies
+description: Uses specified Node version and installs dependencies (typically using "npm")
+
+inputs:
+  node-version:
+    description: "Node version to use"
+    default: 24.x
+  install-command:
+    description: "Command to install dependencies"
+    default: "npm ci --no-audit --no-fund --prefer-offline"
+  working-directory:
+    description: "Working directory"
+    default: "."
+
+runs:
+  using: "composite"
+
+  steps:
+    - uses: actions/setup-node@v6
+      with:
+        node-version: ${{ inputs.node-version }}
+        cache: "npm"
+        cache-dependency-path: ${{ inputs.working-directory }}/package-lock.json
+
+    - run: |
+        echo "::group::$INSTALL_COMMAND"
+        $INSTALL_COMMAND
+        echo "::endgroup::"
+      shell: bash
+      env:
+        INSTALL_COMMAND: ${{ inputs.install-command }}
+      working-directory: ${{ inputs.working-directory }}
+
+    - run: |
+        echo "::group::npm ls -a"
+        npm ls -a || true
+        echo "::endgroup::"
+      shell: bash
+      working-directory: ${{ inputs.working-directory }}

.github/dependabot.yml

@@ -0,0 +1,74 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10 # default:5
+    cooldown:
+      default-days: 7
+    exclude-paths:
+      - ".github/workflows/*.lock.{yaml,yml}"
+  - package-ecosystem: "npm"
+    directories:
+      - "/"
+      - "/eng/tools"
+      - "/eng/tools/**"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 10 # default:5
+    cooldown:
+      default-days: 7
+      exclude:
+        # Allow immediate updates of self-owned packages
+        - "@azure-tools/*"
+        - "@autorest/*"
+        - "@azure/*"
+        - "@microsoft.azure/*"
+        - "@typespec/*"
+        - "oav"
+    ignore:
+      # Updated manually to align with minimum supported Node version
+      - dependency-name: "@types/node"
+      # Updated manually by the team maintaining this package
+      - dependency-name: "@azure-tools/openai-typespec"
+      # Updated manually by the Liftr team
+      - dependency-name: "@azure-tools/typespec-liftr-base"
+      # Only allow patch updates for spec-gen-sdk
+      - dependency-name: "@azure-tools/spec-gen-sdk"
+        update-types: ["version-update:semver-minor", "version-update:semver-major"]
+    groups:
+      # Ships separately from other typespec packages
+      typespec-client-generator-cli:
+        patterns:
+          - "@azure-tools/typespec-client-generator-cli"
+      # Ships separately from other typespec packages
+      openapi-to-typespec:
+        patterns:
+          - "@autorest/openapi-to-typespec"
+      typespec:
+        patterns:
+          - "*typespec*"
+      eslint:
+        patterns:
+          - "*eslint*"
+    versioning-strategy: increase-if-necessary
+  - package-ecosystem: "npm"
+    directories:
+      - "/.github"
+      - "/.github/shared"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 10 # default:5
+    cooldown:
+      default-days: 7
+    ignore:
+      # Updated manually to align with minimum supported Node version
+      - dependency-name: "@types/node"
+      # Points to "github:actions/github-script" since package isn't published to npmjs
+      - dependency-name: "@types/github-script"
+    groups:
+      eslint:
+        patterns:
+          - "*eslint*"
+    versioning-strategy: increase-if-necessary

.github/eslint.config.js

@@ -0,0 +1,16 @@
+import { defineConfig } from "eslint/config";
+import { defineBaseConfig } from "./shared/eslint.base.config.js";
+
+export default defineConfig(
+  defineBaseConfig({
+    // ensures the tsconfig path resolves relative to this file (so cannot be defined in base file)
+    // default is process.cwd() when running eslint, which may be incorrect
+    tsconfigRootDir: import.meta.dirname,
+  }),
+  {
+    ignores: [
+      // generated by `vitest --coverage`
+      "shared/coverage/**",
+    ],
+  },
+);