Merge pull request #336 from cofacts/typescript

Add Typescript support

.babelrc

@@ -4,7 +4,8 @@
       "targets": {
         "node": "current"
       }
-    }]
+    }],
+    "@babel/preset-typescript"
   ],
   "plugins": [
     ["module-resolver", {

.env.sample

@@ -120,3 +120,9 @@ OPENAI_API_KEY=
 
 # When LOG_REQUESTS exists, it also shows incoming GraphQL operation, variables, and resolved user info
 LOG_REQUESTS=
+
+# If given, API server will link to Google Pub/Sub using Application Default Credentials,
+# to receive and execute administrative commands.
+# It will create the topic, subscription and schema if not exists.
+#
+ADMIN_PUBSUB_TOPIC=

.eslintrc.js

@@ -6,19 +6,31 @@ module.exports = {
     'plugin:import/warnings',
     'prettier',
   ],
-  env: {node: true, es6: true, jest: true},
-  plugins: [
-    'prettier',
-  ],
+  env: { node: true, es6: true, jest: true },
+  plugins: ['prettier', 'import'],
   rules: {
-    'prettier/prettier': ['error', {
-      trailingComma: 'es5',
-      'singleQuote': true,
-    }],
+    'prettier/prettier': [
+      'error',
+      {
+        trailingComma: 'es5',
+        singleQuote: true,
+      },
+    ],
   },
   settings: {
     'import/resolver': {
-      'babel-module': {}
-    }
-  }
-}
+      'babel-module': {},
+      typescript: {},
+    },
+    'import/parsers': {
+      '@typescript-eslint/parser': ['.ts'],
+    },
+  },
+  overrides: [
+    {
+      files: ['**/*.ts'],
+      extends: ['plugin:@typescript-eslint/recommended'],
+      plugins: ['@typescript-eslint'],
+    },
+  ],
+};

.github/workflows/ci.yml

@@ -36,6 +36,7 @@ jobs:
           service_account: ${{ secrets.GC_SERVICE_ACCOUNT }}
       - run: npm ci
       - run: npm run lint
+      - run: npm run typecheck
       - run: npm run test -- --coverage
         env:
           GCS_CREDENTIALS: ${{ secrets.GCS_CREDENTIALS }}

Dockerfile

@@ -13,7 +13,7 @@ RUN npm install
 #
 COPY . .
 
-RUN node_modules/.bin/babel src -d build
+RUN node_modules/.bin/babel src -d build --extensions ".ts,.js"
 RUN npm prune --production
 
 #########################################

README.md

@@ -205,6 +205,10 @@ $ node_modules/.bin/babel-node src/scripts/fetchStatsFromGA.js
 
 -  For more options, run the above script with `--help` or see the file level comments.
 
+### Pulling administrative commands from Google Pub/Sub
+
+When API server starts up, it will link to Google Pub/Sub topic if and only if env var `ADMIN_PUBSUB_TOPIC` is set, using [Application Default Credentials](https://cloud.google.com/docs/authentication/application-default-credentials).
+
 ### Removing article-reply from database
 -  To set an article-reply to deleted state on production, run:
 ```

ecosystem.config.js

@@ -11,5 +11,13 @@ module.exports = {
       out_file: '/dev/null',
       error_file: '/dev/null',
     },
+    {
+      name: 'command-listener',
+      script: 'build/commandListener.js',
+      instances: 1,
+      exec_mode: 'cluster',
+      out_file: '/dev/null',
+      error_file: '/dev/null',
+    },
   ],
 };