terser: new package (#36902)

#### For new package PRs only
- [x] REQUIRED - The package is available under an OSI-approved or
FSF-approved license
- [x] REQUIRED - The version of the package is still receiving security
updates

Signed-off-by: Massimiliano Giovagnoli <[email protected]>

terser.yaml

@@ -0,0 +1,52 @@
+package:
+  name: terser
+  version: 5.37.0
+  epoch: 0
+  description: A JavaScript mangler/compressor toolkit for ES6+.
+  copyright:
+    - license: MIT
+
+environment:
+  contents:
+    packages:
+      - npm
+
+vars:
+  prefix: /usr/local
+
+pipeline:
+  - name: npm install
+    uses: npm/install
+    with:
+      package: terser
+      prefix: ${{targets.contextdir}}/${{vars.prefix}}
+      version: ${{package.version}}
+
+  - uses: strip
+
+test:
+  environment:
+    contents:
+      packages:
+        - bash
+        - nodejs
+        - npm
+  pipeline:
+    - name: Verify Terser version
+      runs: |
+        terser --version | grep "${{package.version}}" || (echo "Version mismatch!" && exit 1)
+    - name: Compress JS file using terser
+      runs: |
+        echo "function add(a, b) { return a + b; }" > test.js
+        terser test.js --compress ecma=2015,computed_props=false -o test.min.js
+    - name: Check the minified JS script size
+      runs: |
+        { test -s test.min.js && \
+          test $(stat -c%s test.min.js) -lt $(stat -c%s test.js); } || \
+          exit 1
+
+update:
+  enabled: true
+  github:
+    identifier: terser/terser
+    use-tag: true