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Initial commit of working implementation

master
Tovi Jaeschke-Rogers 3 years ago
parent
commit
0a7fa048f1
2 changed files with 4307 additions and 8 deletions
  1. +4242
    -3
      package-lock.json
  2. +65
    -5
      src/get-arnie-quotes.ts

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package-lock.json
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+ 65
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src/get-arnie-quotes.ts View File

@ -1,10 +1,70 @@
import { httpGet } from './mock-http-interface';
// TODO define this type properly
type TResult = any;
// Keys accepted by the TResult type
type Keys = 'Arnie Quote' | 'FAILURE';
// TResult (array of which to return)
type TResult = {
[K in Keys]?: string;
}
// Result returned by the httpGet method
type getResult = {
status: number,
body: string,
}
// The body of the getResult type, when decoded from json string
type getResultBody = {
message: string,
}
/**
* Get and parse results from the mock http server
* Note: I went a little overboard with the comments, so you know how I was thinking about this
*
* @param {string[]} url
* @return {Promise<TResult[]>}
*/
export const getArnieQuotes = async (urls : string[]) : Promise<TResult[]> => {
// TODO: Implement this function.
return [];
// Array to return
let t_results: TResult[] = [];
// All needing to resolve before returning (using Promise.all(promises))
let promises: Promise<void>[] = [];
// Iterate through all urls
for (let url of urls) {
// Get the data from the url
let promise: Promise<void> = httpGet(url)
.then((result: getResult) => {
// Determine whether the mock api call was successful
let getResultKey: Keys = 'FAILURE';
if (result.status === 200) {
getResultKey = 'Arnie Quote';
}
// Decode the result_body
let result_body: getResultBody = JSON.parse(result.body);
// Push the results to the return array
t_results.push({
[getResultKey]: result_body.message,
} as TResult);
// Resolve the promise after we are done
return Promise.resolve();
});
// Push the promise to the "promises" array
promises.push(promise);
}
// Wait for all promises to resolve
await Promise.all(promises);
// Return the data
return t_results;
};

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