constsuperClass=path.node.superClass;if(superClass){constsuperClassPath=path.scope.getBinding(superClass.name).path;constallMethodNames=getAllClassMethodNames(superClassPath);path.traverse({ClassMethod(path){if(path.node.override){constmethodName=path.get('key').toString();constsuperClassName=superCla...
constsuperClass = path.node.superClass;if(superClass) {constsuperClassPath = path.scope.getBinding(superClass.name).path;constallMethodNames = getAllClassMethodNames(superClassPath); path.traverse({ ClassMethod(path) {if(path.node.override){constmethodName = path.get('key').toString();constsup...
classService{publiccreate(resource:Resource):Status{// ...}}classDerivedServiceextendsService{@overridepubliccreate(resource:Resource):Status{Status status=super.create(resource);// Additional logic}} 4. Conclusion In thisTypeScript tutorial, we explored the fundamental concepts of method override. We ...
const superClass = path.node.superClass;if (superClass) {const superClassPath = path.scope.getBinding(superClass.name).path;const allMethodNames = getAllClassMethodNames(superClassPath);path.traverse({ClassMethod(path) {if (path.node.override){const methodName = path.get('key').toString();c...
state.allSuperMethodNames; }这样就拿到了所有父类方法名。之后需要拿到当前类的所有方法名并过滤出override为true且不在父类中的进行报错。const superClass = path.node.superClass; if (superClass) { const superClassPath = path.scope.getBinding(superC).path; const allMethodNames = getAllClassMethodName...
} // 加法实现类 class Add extends Calculator{ method:string = '加法' getResult():nu...
class Foo { private readonly userList: string[] = []}子类继承父类时，如果需要重写父类方法，需要加上 override 修辞符class Animal { eat() { console.log('food') }}// Badclass Dog extends Animal { eat() { console.log('bone') }}// Goodclass Dog extends Animal { overr...
publicoverride toString(): string { return`Square[width=${this.width}]`; } } Try it Yourself » By default theoverridekeyword is optional when overriding a method, and only helps to prevent accidentally overriding a method that does not exist. Use the settingnoImplicitOverrideto force it to...
class B extends A { b: string; } } 当被作为表达式计算时,”extends"子句中的类型引用”A"没有引用"A”的类构造器函数(相反,它引用了本地变量“A")。 当一个类重载(override)一个或多个基类成员,存在新的非兼容成员时,就会违反上面后两个约束。 需要注意的是,由于ts有一个结构类型系统(structural type...
class Base {/** @virtual */public render(): void {}/** @sealed */public initialize(): void {}}class Child extends Base {/** @override */public render(): void;} 1.2.14@packageDocumentation 用于表示描述整个NPM包的文档注释(相对于属于该包的单个API项)。@packageDocumentation注释位于*.d.ts...