71 lines
1.6 KiB
TypeScript
71 lines
1.6 KiB
TypeScript
abstract class AbstractClass {
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constructor(str: string, other: AbstractClass) {
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this.method(parseInt(str));
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let val = this.prop.toLowerCase();
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if (!str) {
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this.prop = "Hello World";
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}
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this.cb(str);
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// OK, reference is inside function
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const innerFunction = () => {
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return this.prop;
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}
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// OK, references are to another instance
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other.cb(other.prop);
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}
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abstract prop: string;
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abstract cb: (s: string) => void;
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abstract method(num: number): void;
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other = this.prop;
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fn = () => this.prop;
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method2() {
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this.prop = this.prop + "!";
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}
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}
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abstract class DerivedAbstractClass extends AbstractClass {
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cb = (s: string) => {};
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constructor(str: string, other: AbstractClass, yetAnother: DerivedAbstractClass) {
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super(str, other);
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// there is no implementation of 'prop' in any base class
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this.cb(this.prop.toLowerCase());
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this.method(1);
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// OK, references are to another instance
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other.cb(other.prop);
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yetAnother.cb(yetAnother.prop);
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}
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}
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class Implementation extends DerivedAbstractClass {
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prop = "";
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cb = (s: string) => {};
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constructor(str: string, other: AbstractClass, yetAnother: DerivedAbstractClass) {
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super(str, other, yetAnother);
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this.cb(this.prop);
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}
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method(n: number) {
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this.cb(this.prop + n);
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}
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}
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class User {
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constructor(a: AbstractClass) {
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a.prop;
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a.cb("hi");
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a.method(12);
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a.method2();
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}
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}
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