feat(types): add ICloneable

feat(types): add ICloneable closes #8 #25
qiwi · Mar 26, 2019 · f046a34 · f046a34
1 parent 4fbc1d5
commit f046a34
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Showing 3 changed files with 15 additions and 1 deletion.
diff --git a/packages/types/src/main/ICloneable.ts b/packages/types/src/main/ICloneable.ts
@@ -0,0 +1,3 @@
+export interface ICloneable<T> {
+  clone (): T
+}
diff --git a/packages/types/src/main/index.ts b/packages/types/src/main/index.ts
@@ -3,3 +3,4 @@ export { IAnyMap } from './IAnyMap'
 export { IEventEmitter } from './IEventEmitter'
 export { ILogger, TLogLevel, ILoggerMethod } from './ILogger'
 export { TUtilGet } from './IUtilGet'
+export { ICloneable } from './ICloneable'
diff --git a/packages/types/src/test/index.ts b/packages/types/src/test/index.ts
@@ -5,7 +5,8 @@ import {
   ILoggerMethod,
   ILogger,
   TLogLevel,
-  TUtilGet
+  TUtilGet,
+  ICloneable
 } from '../main';
 
 // IStringMap
@@ -77,3 +78,12 @@ const logger: ILogger = {
 
 const brokenUtilGet: TUtilGet = (obj: object, path: any[], defaultValue?: any) => undefined; // $ExpectError
 const utilGet: TUtilGet = (obj: object, path: Array<string | number> | string, defaultValue?: any) => obj || path || defaultValue;
+
+// ICloneable
+const cloneable: ICloneable<string> = {
+  clone(): string { return 'clone'; }
+};
+
+cloneable.clone("qwe"); // $ExpectError
+cloneable.clone(123); // $ExpectError
+cloneable.clone({ hello: "hello", world: "world"}); // $ExpectError