chore(lint): replace duplicate-module-import rule with no-duplicate-imports

Author: alfaproject

gulpfile.js

@@ -156,7 +156,6 @@ gulp.task('lint', ['check-tests', 'format:enforce', 'tools:build'], () => {
       .pipe(tslint({
         tslint: require('tslint').default,
         configuration: tslintConfig,
-        rulesDirectory: 'dist/tools/tslint',
         formatter: 'prose',
       }))
       .pipe(tslint.report({emitError: true}));

tools/tslint/duplicateModuleImportRule.ts

@@ -1,10 +1,14 @@
 {
-    "rules": {
-      "requireInternalWithUnderscore": true,
-      "duplicateModuleImport": true,
-      "enforce-copyright-header": true,
-      "no-duplicate-variable": true,
-      "semicolon": [true],
-      "variable-name": [true, "ban-keywords"]
-    }
+  "rulesDirectory": [
+    "dist/tools/tslint",
+    "node_modules/vrsource-tslint-rules/rules"
+  ],
+  "rules": {
+    "enforce-copyright-header": true,
+    "no-duplicate-imports": true,
+    "no-duplicate-variable": true,
+    "require-internal-with-underscore": true,
+    "semicolon": [true],
+    "variable-name": [true, "ban-keywords"]
+  }
 }