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Commitc2bc32f

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Singleton design pattern
1 parentdabb179 commitc2bc32f

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6 files changed

+89
-0
lines changed

6 files changed

+89
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lines changed
Lines changed: 11 additions & 0 deletions
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"use strict";
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var__importDefault=(this&&this.__importDefault)||function(mod){
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return(mod&&mod.__esModule) ?mod :{"default":mod};
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};
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Object.defineProperty(exports,"__esModule",{value:true});
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constsingleton_1=__importDefault(require("./singleton"));
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console.log('\tCreational design patterns\n');
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functionrun(){
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(0,singleton_1.default)();
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}
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exports.default=run;
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"use strict";
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Object.defineProperty(exports,"__esModule",{value:true});
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classSingleton{
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constructor(){
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this.instanceId=1;
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}
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staticgetInstance(){
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if(!Singleton.instance){
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Singleton.instance=newSingleton();
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}
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returnSingleton.instance;
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}
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getName(){
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return`Singleton instance${this.instanceId}`;
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}
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}
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functionclientCode(){
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consts1=Singleton.getInstance();
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consts2=Singleton.getInstance();
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console.log(s1.getName(),' ',s2.getName());
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if(s1==s2){
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console.log('Singleton works, both variables contain the same instance');
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}
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else{
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console.log('Singleton failed, variables contain different instances');
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}
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}
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exports.default=clientCode;

‎build/index.js

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,2 +1,8 @@
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"use strict";
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var__importDefault=(this&&this.__importDefault)||function(mod){
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return(mod&&mod.__esModule) ?mod :{"default":mod};
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};
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Object.defineProperty(exports,"__esModule",{value:true});
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console.log('TypeScript Code Index file - additional');
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const_01_design_patterns_creational_1=__importDefault(require("./01-design-patterns-creational"));
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(0,_01_design_patterns_creational_1.default)();
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importrunSingletonfrom'./singleton';
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console.log('\tCreational design patterns\n');
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functionrun(){
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runSingleton();
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}
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exportdefaultrun;
Lines changed: 31 additions & 0 deletions
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classSingleton{
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privatestaticinstance:Singleton;
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privateinstanceId:number;
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privateconstructor(){
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this.instanceId=1;
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}
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publicstaticgetInstance():Singleton{
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if(!Singleton.instance){
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Singleton.instance=newSingleton();
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}
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returnSingleton.instance;
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}
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publicgetName(){
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return`Singleton instance${this.instanceId}`;
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}
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}
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functionclientCode(){
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consts1=Singleton.getInstance();
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consts2=Singleton.getInstance();
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console.log(s1.getName(),' ',s2.getName());
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if(s1==s2){
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console.log('Singleton works, both variables contain the same instance');
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}else{
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console.log('Singleton failed, variables contain different instances');
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}
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}
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exportdefaultclientCode;

‎src/index.ts

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1 +1,5 @@
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console.log('TypeScript Code Index file - additional');
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importrunCreationalfrom'./01-design-patterns-creational';
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runCreational();

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