Is there a way to use RXJS in order to handle multiple API calls, where one call is dependent on another?
Is there a way to use RXJS in order to handle multiple API calls, where one call is dependent on another?
this.serviceInstance.invokeMethodOne()
.flatMap(resultFromMethodOne => this.serviceInstance.invokeMethodTwo(resultFromMethodOne))
.flatMap(resultFromMethodTwo => this.serviceInstance.invokeMethodThree(resultFromMethodTwo))
.subscribe(finalResult => {
console.log(finalResult);
});
const executeTasksInOrder = (tasks) => { // tasks is an array of functions that return promises
return tasks.reduce((promiseChain, currentTask) => promiseChain.then(currentTask), Promise.resolve());
}
executeTasksInOrder(tasks).then(() => {
console.log('All tasks completed successfully');
});
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