Merge pull request #5304 from asgerf/js/non-alert-data

JS: Implement new metric queries for line counting

javascript/ql/test/query-tests/Summary/LinesOfCode.expected

@@ -0,0 +1 @@
+| 12 |

javascript/ql/test/query-tests/Summary/LinesOfCode.qlref

@@ -0,0 +1 @@
+Summary/LinesOfCode.ql

javascript/ql/test/query-tests/Summary/src/.eslintrc.yml

@@ -0,0 +1,2 @@
+rules:
+  semi: error

javascript/ql/test/query-tests/Summary/src/externs.js

@@ -0,0 +1,8 @@
+/**
+ * @externs
+ */
+
+// Should not be counted
+
+function Object() {}
+function String() {}

javascript/ql/test/query-tests/Summary/src/javascript_file.js

@@ -0,0 +1,7 @@
+function foo(x) {
+    return x;
+}
+
+function bar(y) {
+    return y;
+}

javascript/ql/test/query-tests/Summary/src/package.json

@@ -0,0 +1,6 @@
+{
+    "private": true,
+    "devDependencies": {
+        "typescript": "*"
+    }
+}

javascript/ql/test/query-tests/Summary/src/typescript_file.ts

@@ -0,0 +1,7 @@
+export interface Foo {
+    x: number;
+}
+
+export function getX(f: Foo) {
+    return f.x;
+}