Check TypeScript declarations are valid

3 files changed, 38 insertions, 0 deletions

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c37abf4..6d7d472 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,3 +22,5 @@ jobs:
         - run: npm install
 
         - run: npm test
+
+        - run: npm run check-typescript
diff --git a/package-lock.json b/package-lock.json
index 165d145..ada43c6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,7 @@
         "mammoth": "bin/mammoth"
       },
       "devDependencies": {
+        "@types/node": "^20.2.5",
         "browserify": "~13.0.1",
         "browserify-prepend-licenses": "~1.0.0",
         "duck": "^0.1.12",
@@ -31,12 +32,19 @@
         "hamjest": "^4.0.1",
         "mocha": "~2.2.5",
         "temp": "^0.9.4",
+        "typescript": "^5.0.4",
         "uglify-js": "~2.4.8"
       },
       "engines": {
         "node": ">=12.0.0"
       }
     },
+    "node_modules/@types/node": {
+      "version": "20.2.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.2.5.tgz",
+      "integrity": "sha512-JJulVEQXmiY9Px5axXHeYGLSjhkZEnD+MDPDGbCbIAbMslkKwmygtZFy1X6s/075Yo94sf8GuSlFfPzysQrWZQ==",
+      "dev": true
+    },
     "node_modules/@xmldom/xmldom": {
       "version": "0.8.6",
       "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.8.6.tgz",
@@ -2918,6 +2926,19 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "node_modules/typescript": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
+      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=12.20"
+      }
+    },
     "node_modules/uglify-js": {
       "version": "2.4.24",
       "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.4.24.tgz",
@@ -3101,6 +3122,12 @@
     }
   },
   "dependencies": {
+    "@types/node": {
+      "version": "20.2.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.2.5.tgz",
+      "integrity": "sha512-JJulVEQXmiY9Px5axXHeYGLSjhkZEnD+MDPDGbCbIAbMslkKwmygtZFy1X6s/075Yo94sf8GuSlFfPzysQrWZQ==",
+      "dev": true
+    },
     "@xmldom/xmldom": {
       "version": "0.8.6",
       "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.8.6.tgz",
@@ -5568,6 +5595,12 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
       "dev": true
     },
+    "typescript": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.0.4.tgz",
+      "integrity": "sha512-cW9T5W9xY37cc+jfEnaUvX91foxtHkza3Nw3wkoF4sSlKn0MONdkdEndig/qPBWXNkmplh3NzayQzCiHM4/hqw==",
+      "dev": true
+    },
     "uglify-js": {
       "version": "2.4.24",
       "resolved": "http://registry.npmjs.org/uglify-js/-/uglify-js-2.4.24.tgz",
diff --git a/package.json b/package.json
index 2432a16..8acc01d 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "xmlbuilder": "^10.0.0"
   },
   "devDependencies": {
+    "@types/node": "^20.2.5",
     "browserify": "~13.0.1",
     "browserify-prepend-licenses": "~1.0.0",
     "duck": "^0.1.12",
@@ -36,6 +37,7 @@
     "hamjest": "^4.0.1",
     "mocha": "~2.2.5",
     "temp": "^0.9.4",
+    "typescript": "^5.0.4",
     "uglify-js": "~2.4.8"
   },
   "browser": {
@@ -48,6 +50,7 @@
   "scripts": {
     "pretest": "eslint lib test",
     "test": "mocha 'test/**/*.tests.js'",
+    "check-typescript": "tsc --noEmit lib/index.d.ts",
     "prepare": "make mammoth.browser.min.js"
   },
   "license": "BSD-2-Clause",