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

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

@@ -1,49 +0,0 @@
-import {RuleWalker} from 'tslint/lib/language/walker';
-import {RuleFailure} from 'tslint/lib/lint';
-import {AbstractRule} from 'tslint/lib/rules';
-import * as ts from 'typescript';
-
-export class Rule extends AbstractRule {
-  public static FAILURE_STRING = 'duplicate module import';
-
-  public apply(sourceFile: ts.SourceFile): RuleFailure[] {
-    const typedefWalker = new ModuleImportWalker(sourceFile, this.getOptions());
-    return this.applyWithWalker(typedefWalker);
-  }
-}
-
-class ModuleImportWalker extends RuleWalker {
-  importModulesSeen: string[] = [];
-
-  protected visitImportDeclaration(node: ts.ImportDeclaration): void {
-    this.visitModuleSpecifier(node.moduleSpecifier);
-    super.visitImportDeclaration(node);
-  }
-
-  protected visitImportEqualsDeclaration(node: ts.ImportEqualsDeclaration): void {
-    this.visitModuleSpecifier(node.moduleReference);
-    super.visitImportEqualsDeclaration(node);
-  }
-
-  private checkTypeAnnotation(location: number, typeAnnotation: ts.TypeNode, name?: ts.Node) {
-    if (typeAnnotation == null) {
-      let ns = '<name missing>';
-      if (name != null && name.kind === ts.SyntaxKind.Identifier) {
-        ns = (<ts.Identifier>name).text;
-      }
-      if (ns.charAt(0) === '_') return;
-      let failure = this.createFailure(location, 1, 'expected parameter ' + ns + ' to have a type');
-      this.addFailure(failure);
-    }
-  }
-
-  private visitModuleSpecifier(moduleSpecifier: ts.Node) {
-    var text = moduleSpecifier.getText();
-    if (this.importModulesSeen.indexOf(text) >= 0) {
-      let failure =
-          this.createFailure(moduleSpecifier.getEnd(), 1, 'Duplicate imports from module ' + text);
-      this.addFailure(failure);
-    }
-    this.importModulesSeen.push(text);
-  }
-}

tslint.json

@@ -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"]
+  }
 }