Add typescript feature

.github/filters.yml

@@ -24,4 +24,5 @@ talosctl: ./**/talosctl/**
 terraform: ./**/terraform/**
 terraform-mcp-server: ./**/terraform-mcp-server/**
 tflint: ./**/tflint/**
+typescript: ./**/typescript/**
 zensical: ./**/zensical/**

src/typescript/NOTES.md

@@ -0,0 +1,17 @@
+
+## OS Support
+
+This feature is tested against the following OS versions:
+
+- ubuntu:noble
+- debian:12
+- mcr.microsoft.com/devcontainers/base:ubuntu24.04
+- mcr.microsoft.com/devcontainers/base:debian12
+
+Versions older than what are listed above are untested and therefore may not support this feature without additional packages.
+
+## Changelog
+
+| Version | Notes |
+| --- | --- |
+| 1.0.0 | Initial release |

src/typescript/devcontainer-feature.json

@@ -0,0 +1,21 @@
+{
+  "name": "TypeScript",
+  "id": "typescript",
+  "version": "1.0.0",
+  "description": "TypeScript is a strongly typed programming language that builds on JavaScript, giving you better tooling at any scale.",
+  "documentationURL": "https://www.typescriptlang.org/docs",
+  "options": {
+    "version": {
+      "default": "latest",
+      "description": "Select the version to install. Anything that is not 'latest' must be in '#.#.#' format.",
+      "proposals": [
+        "latest",
+        "6.0.3"
+      ],
+      "type": "string"
+    }
+  },
+  "dependsOn": {
+    "ghcr.io/devcontainers/features/node": {}
+  }
+}

src/typescript/install.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -e
+
+if ! command -v node > /dev/null 2>&1; then
+    echo "ERROR: node not found. This feature requires the 'node' devcontainer feature." >&2
+    echo "See: https://github.com/devcontainers/features/tree/main/src/node" >&2
+    exit 1
+fi
+
+VERSION="${VERSION:-latest}"
+package_name="typescript"
+
+npm install -g ${package_name}@${VERSION}
+
+echo "${package_name} feature installation complete!"

test/typescript/scenarios.json

@@ -0,0 +1,10 @@
+{
+  "typescript_version": {
+    "image": "mcr.microsoft.com/devcontainers/base:debian12",
+    "features": {
+      "typescript": {
+        "version": "5.9.3"
+      }
+    }
+  }
+}

test/typescript/test.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+# See https://github.com/devcontainers/cli/blob/HEAD/docs/features/test.md#dev-container-features-test-lib
+# Provides the 'check' and 'reportResults' commands.
+source dev-container-features-test-lib
+
+# Feature-specific tests
+# The 'check' command comes from the dev-container-features-test-lib.
+echo ""
+echo "Running as $(whoami)"
+check "typescript location" which tsc
+check "typescript version" tsc -v
+
+# Report result
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults

test/typescript/typescript_version.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+# See https://github.com/devcontainers/cli/blob/HEAD/docs/features/test.md#dev-container-features-test-lib
+# Provides the 'check' and 'reportResults' commands.
+source dev-container-features-test-lib
+
+# Feature-specific tests
+# The 'check' command comes from the dev-container-features-test-lib.
+echo ""
+echo "Running as $(whoami)"
+check "typescript location" which tsc
+check "typescript version" tsc -v
+
+# Report result
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults