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completed mp #225

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58 changes: 35 additions & 23 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,19 +4,21 @@ const { fifaData } = require('./fifa.js')

/* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 1: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
Practice accessing data by console.log-ing the following pieces of data note.

💡 HINT: You may want to filter the data first 😉*/

const fifaData2014 = fifaData.filter(function(item){
return item.Year === 2014 && item.Stage === 'Final';
})
console.log('1:', fifaData2014);
//(a) Home Team name for 2014 world cup final

console.log('1a:', fifaData2014[0]['Home Team Name']);
//(b) Away Team name for 2014 world cup final

console.log('1b:', fifaData2014[0]['Away Team Name']);
//(c) Home Team goals for 2014 world cup final

console.log('1c:', fifaData2014[0]['Home Team Goals']);
//(d) Away Team goals for 2014 world cup final

console.log('1d:', fifaData2014[0]['Away Team Goals']);
//(e) Winner of 2014 world cup final */

console.log('1e:', fifaData2014[0]['Win conditions']);

/* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 2: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
Use getFinals to do the following:
Expand All @@ -26,10 +28,13 @@ Use getFinals to do the following:
💡 HINT - you should be looking at the stage key inside of the objects
*/

function getFinals(/* code here */) {
/* code here */
function getFinals(data) {
const allFinals = data.filter(function(item){
return item.Stage === 'Final';
})
return allFinals;
}

console.log('2:', getFinals(fifaData));


/* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 3: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
Expand All @@ -38,10 +43,10 @@ Use the higher-order function called getYears to do the following:
2. Receive a callback function as the second parameter that will take getFinals from task 2 as an argument
3. Return an array called years containing all of the years in the getFinals data set*/

function getYears(/* code here */) {
/* code here */
function getYears(data, getFinalsCB) {
return getFinalsCB(data).map(item => item.Year);
}

console.log('3:', getYears(fifaData, getFinals));


/* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 4: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
Expand All @@ -52,11 +57,12 @@ Use the higher-order function getWinners to do the following:
💡 HINT: Don't worry about ties for now (Please see the README file for info on ties for a stretch goal.)
4. Returns the names of all winning countries in an array called `winners` */

function getWinners(/* code here */) {
/* code here */
function getWinners(data, getFinalsCB) {
return getFinalsCB(data).map(item => (item['Home Team Goals'] > item['Away Team Goals']) ?
item['Home Team Name'] : item['Away Team Name']);
}


console.log('4:', getWinners(fifaData, getFinals));

/* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 5: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
Use the higher-order function getWinnersByYear to do the following:
Expand All @@ -69,11 +75,14 @@ Use the higher-order function getWinnersByYear to do the following:
💡 HINT: the strings returned need to exactly match the string in step 4.
*/

function getWinnersByYear(/* code here */) {
/* code here */
function getWinnersByYear(fifadata, getFinalsCB, getYearsCB, getWinnersCB) {
const winners = getWinners(fifadata, getFinals);
const years = getYears(fifadata, getFinals);
const Final = getFinals(fifaData, getFinals)
return winners.map((item, index)=>`In ${years[index]}, ${item} won the world cup!`);
}


console.log('5:', getWinnersByYear(fifaData, getYears, getWinners));

/* 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀 Task 6: 🚀🚀🚀🚀🚀🚀🚀🚀🚀🚀
Use the higher order function `getAverageGoals` to do the following:
Expand All @@ -89,11 +98,14 @@ Use the higher order function `getAverageGoals` to do the following:

*/

function getAverageGoals(/* code here */) {
/* code here */
}

function getAverageGoals(fifaData) {
const averageHomeGoals = fifaData.reduce(function(acc, item){
return acc + item['Home Team Goals'] + item['Away Team Goals'];
}, 0)
return(averageHomeGoals / fifaData.length).toFixed(2);
}

console.log('6:', getAverageGoals(fifaData));


/// 🥅 STRETCH 🥅 ///
Expand Down