Replace array indexOf checks with includes

src/lib/converter/context.ts

@@ -218,7 +218,7 @@ export class Context {
      * @param callback  The callback that should be executed.
      */
     withSourceFile(node: ts.SourceFile, callback: Function) {
-        let isExternal = this.fileNames.indexOf(node.fileName) === -1;
+        let isExternal = !this.fileNames.includes(node.fileName);
         if (!isExternal && this.externalPattern) {
             isExternal = this.externalPattern.some(mm => mm.match(node.fileName));
         }
@@ -322,7 +322,7 @@ export class Context {
 
         if (baseNode.symbol) {
             const id = this.getSymbolID(baseNode.symbol)!;
-            if (this.inheritedChildren && this.inheritedChildren.indexOf(id) !== -1) {
+            if (this.inheritedChildren && this.inheritedChildren.includes(id)) {
                 return target;
             } else {
                 this.inheritedChildren = this.inheritedChildren || [];

src/lib/converter/converter.ts

@@ -312,7 +312,7 @@ export class Converter extends ChildableComponent<Application, ConverterComponen
      * @return The resulting reflection or undefined.
      */
     convertNode(context: Context, node: ts.Node): Reflection | undefined {
-        if (context.visitStack.indexOf(node) !== -1) {
+        if (context.visitStack.includes(node)) {
             return;
         }
 

src/lib/converter/factories/declaration.ts

@@ -81,12 +81,12 @@ export function createDeclaration(context: Context, node: ts.Declaration, kind:
     // Test whether the node is static, when merging a module to a class make the node static
     let isConstructorProperty = false;
     let isStatic = false;
-    if (nonStaticKinds.indexOf(kind) === -1) {
+    if (!nonStaticKinds.includes(kind)) {
         isStatic = !!(modifiers & ts.ModifierFlags.Static);
         if (container.kind === ReflectionKind.Class) {
             if (node.parent && node.parent.kind === ts.SyntaxKind.Constructor) {
                 isConstructorProperty = true;
-            } else if (!node.parent || nonStaticMergeKinds.indexOf(node.parent.kind) === -1) {
+            } else if (!node.parent || !nonStaticMergeKinds.includes(node.parent.kind)) {
                 isStatic = true;
             }
         }
@@ -179,7 +179,7 @@ function mergeDeclarations(context: Context, reflection: DeclarationReflection,
 
     if (
         context.isInherit &&
-        (context.inherited || []).indexOf(reflection.name) !== -1 &&
+        (context.inherited || []).includes(reflection.name) &&
         (node.parent === context.inheritParent || reflection.flags.isConstructorProperty)
     ) {
         if (!reflection.overwrites) {

src/lib/converter/nodes/block.ts

@@ -87,7 +87,7 @@ export class BlockConverter extends ConverterNodeComponent<ts.SourceFile|ts.Bloc
             const statements: ts.Statement[] = [];
 
             node.statements.forEach((statement) => {
-                if (preferred.indexOf(statement.kind) !== -1) {
+                if (preferred.includes(statement.kind)) {
                     this.owner.convertNode(context, statement);
                 } else {
                     statements.push(statement);

src/lib/converter/plugins/CommentPlugin.ts

@@ -63,7 +63,7 @@ export class CommentPlugin extends ConverterComponent {
     }
 
     private storeModuleComment(comment: string, reflection: Reflection) {
-        const isPreferred = (comment.toLowerCase().indexOf('@preferred') !== -1);
+        const isPreferred = (comment.toLowerCase().includes('@preferred'));
 
         if (this.comments[reflection.id]) {
             const info = this.comments[reflection.id];
@@ -322,7 +322,7 @@ export class CommentPlugin extends ConverterComponent {
         });
 
         for (let key in project.symbolMapping) {
-            if (project.symbolMapping.hasOwnProperty(key) && deletedIds.indexOf(project.symbolMapping[key]) !== -1) {
+            if (project.symbolMapping.hasOwnProperty(key) && deletedIds.includes(project.symbolMapping[key])) {
                 delete project.symbolMapping[key];
             }
         }

src/lib/converter/plugins/DynamicModulePlugin.ts

@@ -54,7 +54,7 @@ export class DynamicModulePlugin extends ConverterComponent {
     private onDeclaration(context: Context, reflection: Reflection, node?: ts.Node) {
         if (reflection.kindOf(ReflectionKind.ExternalModule)) {
             let name = reflection.name;
-            if (name.indexOf('/') === -1) {
+            if (!name.includes('/')) {
                 return;
             }
 

src/lib/converter/plugins/GitHubPlugin.ts

@@ -100,7 +100,7 @@ export class Repository {
      * @returns TRUE when the file is part of the repository, otherwise FALSE.
      */
     contains(fileName: string): boolean {
-        return this.files.indexOf(fileName) !== -1;
+        return this.files.includes(fileName);
     }
 
     /**

src/lib/converter/plugins/PackagePlugin.ts

@@ -94,7 +94,7 @@ export class PackagePlugin extends ConverterComponent {
         let dirName: string, parentDir = Path.resolve(Path.dirname(fileName));
         do {
             dirName = parentDir;
-            if (this.visited.indexOf(dirName) !== -1) {
+            if (this.visited.includes(dirName)) {
                 break;
             }
 

src/lib/converter/plugins/TypePlugin.ts

@@ -111,7 +111,7 @@ export class TypePlugin extends ConverterComponent {
     }
 
     private postpone(reflection: DeclarationReflection) {
-        if (this.reflections.indexOf(reflection) === -1) {
+        if (!this.reflections.includes(reflection)) {
             this.reflections.push(reflection);
         }
     }

src/lib/converter/types/reference.ts

@@ -112,7 +112,7 @@ export class ReferenceConverter extends ConverterTypeComponent implements TypeNo
      */
     private convertLiteral(context: Context, symbol: ts.Symbol, node?: ts.Node): Type | undefined {
         for (let declaration of symbol.declarations) {
-            if (context.visitStack.indexOf(declaration) !== -1) {
+            if (context.visitStack.includes(declaration)) {
                 if (declaration.kind === ts.SyntaxKind.TypeLiteral ||
                         declaration.kind === ts.SyntaxKind.ObjectLiteralExpression) {
                     // TODO: Check if this type assertion is safe and document.

src/lib/models/reflections/abstract.ts

@@ -219,12 +219,12 @@ export class ReflectionFlags extends Array<string> {
     private setSingleFlag(flag: ReflectionFlag, set: boolean) {
         const name = ReflectionFlag[flag].replace(/(.)([A-Z])/g, (m, a, b) => a + ' ' + b.toLowerCase());
         if (!set && this.hasFlag(flag)) {
-            if (relevantFlags.indexOf(flag) !== -1) {
+            if (relevantFlags.includes(flag)) {
                 this.splice(this.indexOf(name), 1);
             }
             this.flags ^= flag;
         } else if (set && !this.hasFlag(flag)) {
-            if (relevantFlags.indexOf(flag) !== -1) {
+            if (relevantFlags.includes(flag)) {
                 this.push(name);
             }
             this.flags |= flag;
@@ -441,7 +441,7 @@ export abstract class Reflection {
                 target._aliases = [];
             }
             let suffix = '', index = 0;
-            while (target._aliases.indexOf(alias + suffix) !== -1) {
+            while (target._aliases.includes(alias + suffix)) {
                 suffix = '-' + (++index).toString();
             }
 

src/lib/output/plugins/NavigationPlugin.ts

@@ -48,7 +48,7 @@ export class NavigationPlugin extends RendererComponent {
             item.isInPath  = false;
             item.isVisible = item.isGlobals;
 
-            if (item.url === page.url || (item.dedicatedUrls && item.dedicatedUrls.indexOf(page.url) !== -1)) {
+            if (item.url === page.url || (item.dedicatedUrls && item.dedicatedUrls.includes(page.url))) {
                 currentItems.push(item);
             }
 

src/lib/output/plugins/TocPlugin.ts

@@ -63,7 +63,7 @@ export class TocPlugin extends RendererComponent {
         } else {
             children.forEach((child: DeclarationReflection) => {
 
-                if (restriction && restriction.length > 0 && restriction.indexOf(child.name) === -1) {
+                if (restriction && restriction.length > 0 && !restriction.includes(child.name)) {
                     return;
                 }
 
@@ -72,7 +72,7 @@ export class TocPlugin extends RendererComponent {
                 }
 
                 const item = NavigationItem.create(child, parent, true);
-                if (trail.indexOf(child) !== -1) {
+                if (trail.includes(child)) {
                     item.isInPath  = true;
                     item.isCurrent = (trail[trail.length - 1] === child);
                     TocPlugin.buildToc(child, trail, item);

src/lib/output/utils/resources/helpers.ts

@@ -41,7 +41,7 @@ export class HelperStack extends ResourceStack<Helper> {
             const helpers = resources[resourceName].getHelpers();
 
             for (let name in helpers) {
-                if (this.registeredNames.indexOf(name) !== -1) {
+                if (this.registeredNames.includes(name)) {
                     continue;
                 }
                 this.registeredNames.push(name);

src/lib/output/utils/resources/templates.ts

@@ -39,7 +39,7 @@ export class PartialStack extends TemplateStack {
         const resources = this.getAllResources();
 
         for (let name in resources) {
-            if (this.registeredNames.indexOf(name) !== -1) {
+            if (this.registeredNames.includes(name)) {
                 continue;
             }
             this.registeredNames.push(name);

src/lib/utils/options/declaration.ts

@@ -114,7 +114,7 @@ export class OptionDeclaration {
                         value = map.has(key) ? map.get(key) : value;
                     } else if (key in map) {
                         value = map[key];
-                    } else if (values.indexOf(value) === -1 && errorCallback) {
+                    } else if (!values.includes(value) && errorCallback) {
                         if (this.mapError) {
                             errorCallback(this.mapError);
                         } else {

src/lib/utils/options/sources/component.ts

@@ -28,7 +28,7 @@ export class ComponentSource extends OptionsComponent {
             return;
         }
 
-        if (this.knownComponents.indexOf(name) === -1) {
+        if (!this.knownComponents.includes(name)) {
             this.knownComponents.push(name);
             this.owner.addDeclarations(component.getOptionDeclarations());
         }

src/lib/utils/options/sources/typescript.ts

@@ -28,7 +28,7 @@ export class TypeScriptSource extends OptionsComponent {
         this.declarations = [];
 
         for (let declaration of _ts.optionDeclarations) {
-            if (TypeScriptSource.IGNORED.indexOf(declaration.name) === -1) {
+            if (!TypeScriptSource.IGNORED.includes(declaration.name)) {
                 this.addTSOption(declaration);
             }
         }

src/test/typedoc.ts

@@ -15,55 +15,55 @@ describe('TypeDoc', function() {
             const inputFiles = Path.join(__dirname, 'converter', 'class');
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.notEqual(expanded.indexOf(Path.join(inputFiles, 'class.ts')), -1);
-            Assert.equal(expanded.indexOf(inputFiles), -1);
+            Assert(expanded.includes(Path.join(inputFiles, 'class.ts')));
+            Assert(!expanded.includes(inputFiles));
         });
         it('expands input files', function() {
             const inputFiles = Path.join(__dirname, 'converter', 'class', 'class.ts');
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.notEqual(expanded.indexOf(inputFiles), -1);
+            Assert(expanded.includes(inputFiles));
         });
         it('honors the exclude argument even on a fixed directory list', function() {
             const inputFiles = Path.join(__dirname, 'converter', 'class');
             application.options.setValue('exclude', '**/class.ts');
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.equal(expanded.indexOf(Path.join(inputFiles, 'class.ts')), -1);
-            Assert.equal(expanded.indexOf(inputFiles), -1);
+            Assert(!expanded.includes(Path.join(inputFiles, 'class.ts')));
+            Assert(!expanded.includes(inputFiles));
         });
         it('honors the exclude argument even on a fixed file list', function() {
             const inputFiles = Path.join(__dirname, 'converter', 'class', 'class.ts');
             application.options.setValue('exclude', '**/class.ts');
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.equal(expanded.indexOf(inputFiles), -1);
+            Assert(!expanded.includes(inputFiles));
         });
         it('supports multiple excludes', function() {
             const inputFiles = Path.join(__dirname, 'converter');
             application.options.setValue('exclude', '**/+(class|access).ts');
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.equal(expanded.indexOf(Path.join(inputFiles, 'class', 'class.ts')), -1);
-            Assert.equal(expanded.indexOf(Path.join(inputFiles, 'access', 'access.ts')), -1);
-            Assert.equal(expanded.indexOf(inputFiles), -1);
+            Assert(!expanded.includes(Path.join(inputFiles, 'class', 'class.ts')));
+            Assert(!expanded.includes(Path.join(inputFiles, 'access', 'access.ts')));
+            Assert(!expanded.includes(inputFiles));
         });
         it('supports array of excludes', function() {
             const inputFiles = Path.join(__dirname, 'converter');
             application.options.setValue('exclude', [ '**/class.ts', '**/access.ts' ]);
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.equal(expanded.indexOf(Path.join(inputFiles, 'class', 'class.ts')), -1);
-            Assert.equal(expanded.indexOf(Path.join(inputFiles, 'access', 'access.ts')), -1);
-            Assert.equal(expanded.indexOf(inputFiles), -1);
+            Assert(!expanded.includes(Path.join(inputFiles, 'class', 'class.ts')));
+            Assert(!expanded.includes(Path.join(inputFiles, 'access', 'access.ts')));
+            Assert(!expanded.includes(inputFiles));
         });
         it('supports excluding directories beginning with dots', function() {
             const inputFiles = __dirname;
             application.options.setValue('exclude', '**/+(.dot)/**');
             const expanded = application.expandInputFiles([inputFiles]);
 
-            Assert.equal(expanded.indexOf(Path.join(inputFiles, '.dot', 'index.d.ts')), -1);
-            Assert.equal(expanded.indexOf(inputFiles), -1);
+            Assert(!expanded.includes(Path.join(inputFiles, '.dot', 'index.d.ts')));
+            Assert(!expanded.includes(inputFiles));
         });
         it('Honors the exclude option even if a module is imported', () => {
             application.options.setValue('exclude', '**/b.d.ts');