This commit is contained in:
pedro-petrov 2022-01-28 11:44:27 +00:00
parent 10044560cd
commit 00e759d465
16 changed files with 203 additions and 42 deletions

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@ -1,5 +1,5 @@
const helloWorld = function() { const helloWorld = function() {
return '' return 'Hello, World!'
}; };
module.exports = helloWorld; module.exports = helloWorld;

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@ -1,6 +1,23 @@
const repeatString = function() { const repeatString = function(str, num) {
myStr = "";
if (num < 0) {
myStr = "ERROR";
} else {
for (let i = 0; i < num; i++) {
if (num < 0) {
myStr = "ERROR";
}
myStr = myStr + str;
}
}
return myStr;
}; };
myTest = repeatString("hey", 5);
console.log(myTest);
//var print_test = repeatString();
//console.log(print_test)
// Do not edit below this line // Do not edit below this line
module.exports = repeatString; module.exports = repeatString;

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@ -4,19 +4,19 @@ describe('repeatString', () => {
test('repeats the string', () => { test('repeats the string', () => {
expect(repeatString('hey', 3)).toEqual('heyheyhey'); expect(repeatString('hey', 3)).toEqual('heyheyhey');
}); });
test.skip('repeats the string many times', () => { test('repeats the string many times', () => {
expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey'); expect(repeatString('hey', 10)).toEqual('heyheyheyheyheyheyheyheyheyhey');
}); });
test.skip('repeats the string 1 times', () => { test('repeats the string 1 times', () => {
expect(repeatString('hey', 1)).toEqual('hey'); expect(repeatString('hey', 1)).toEqual('hey');
}); });
test.skip('repeats the string 0 times', () => { test('repeats the string 0 times', () => {
expect(repeatString('hey', 0)).toEqual(''); expect(repeatString('hey', 0)).toEqual('');
}); });
test.skip('returns ERROR with negative numbers', () => { test('returns ERROR with negative numbers', () => {
expect(repeatString('hey', -1)).toEqual('ERROR'); expect(repeatString('hey', -1)).toEqual('ERROR');
}); });
test.skip('repeats the string a random amount of times', function () { test('repeats the string a random amount of times', function () {
/*The number is generated by using Math.random to get a value from between /*The number is generated by using Math.random to get a value from between
0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it 0 to 1, when this is multiplied by 1000 and rounded down with Math.floor it
equals a number between 0 to 999 (this number will change everytime you run equals a number between 0 to 999 (this number will change everytime you run
@ -31,7 +31,7 @@ describe('repeatString', () => {
was randomly generated. */ was randomly generated. */
expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number); expect(repeatString('hey', number).match(/((hey))/g).length).toEqual(number);
}); });
test.skip('works with blank strings', () => { test('works with blank strings', () => {
expect(repeatString('', 10)).toEqual(''); expect(repeatString('', 10)).toEqual('');
}); });
}); });

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@ -1,6 +1,14 @@
const reverseString = function(str) { const reverseString = function(str) {
var toArray = str.split("");
var toReverse = toArray.reverse();
var toJoin = toReverse.join("");
return toJoin;
}; };
var stri = ("pedro almeida");
myTest = reverseString(stri);
console.log(myTest);
// Do not edit below this line // Do not edit below this line
module.exports = reverseString; module.exports = reverseString;

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@ -5,14 +5,14 @@ describe('reverseString', () => {
expect(reverseString('hello')).toEqual('olleh'); expect(reverseString('hello')).toEqual('olleh');
}); });
test.skip('reverses multiple words', () => { test('reverses multiple words', () => {
expect(reverseString('hello there')).toEqual('ereht olleh') expect(reverseString('hello there')).toEqual('ereht olleh')
}) })
test.skip('works with numbers and punctuation', () => { test('works with numbers and punctuation', () => {
expect(reverseString('123! abc!')).toEqual('!cba !321') expect(reverseString('123! abc!')).toEqual('!cba !321')
}) })
test.skip('works with blank strings', () => { test('works with blank strings', () => {
expect(reverseString('')).toEqual('') expect(reverseString('')).toEqual('')
}) })
}); });

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@ -0,0 +1,26 @@
const myArray = [1,2,3,1,1,1,1];
console.log(myArray);
//const myArray2 = myArray[2];
//console.log(myArray2);
const a = 1;
const arrayLen = myArray.length;
const index = [];
let pos = 0;
while (pos < arrayLen) {
pos = myArray.indexOf(a, pos);
if (pos === -1) break;
index.push(pos);
pos = pos + 1;
}
console.log("The index is: " + index);
for (var i = 0; i < arrayLen; i++) {
console.log(i);
myArray.splice(index[i, 1]);
}
console.log(myArray);

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@ -1,6 +1,51 @@
const removeFromArray = function() { /* const removeFromArray = function(myArray, remArray) {
return myArray.filter(v => {
return !remArray.includes(v);
});
}
}; testArray = [1,2,3,4,3,1,4,4,6,54,2,1,4,5,3,2];
remArray = [3,4,5,6];
testPrint = removeFromArray(testArray, remArray);
console.log(testPrint);
// Do not edit below this line
module.exports = removeFromArray; */
/* const removeFromArray = function(myArray, num1, num2) {
// Remove multiple values from array
arrayLen = myArray.length;
pos1 = myArray.indexOf(num1);
pos2 = myArray.indexOf(num2);
for (i = 0; i < arrayLen; i++) {
if (pos1 === -1) break;
myArray.splice(pos1, 1);
console.log("Length after first loop: " + myArray.length);
break;
}
for (i = 0; i < arrayLen; i++) {
if (pos2 === -1) break;
myArray.splice(pos2, 1);
console.log("Length after second loop: " + myArray.length)
break;
}
return myArray;
} */
const removeFromArray = function(myArray, ...args) {
arrayLen = myArray.length;
for (k = 0; k < arrayLen; k++) {
for (arg of args) {
inArray = myArray.includes(arg);
if (inArray == true) {
index = myArray.indexOf(arg);
myArray.splice(index, 1);
}
}
}
return myArray;
}
testArray = [1,2,3,4,3,4,3,2];
testPrint = removeFromArray(testArray, 7, 3, 2, 4, 5, 6, "tomato");
console.log(testPrint);
// Do not edit below this line // Do not edit below this line
module.exports = removeFromArray; module.exports = removeFromArray;

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@ -4,22 +4,22 @@ describe('removeFromArray', () => {
test('removes a single value', () => { test('removes a single value', () => {
expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]); expect(removeFromArray([1, 2, 3, 4], 3)).toEqual([1, 2, 4]);
}); });
test.skip('removes multiple values', () => { test('removes multiple values', () => {
expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]); expect(removeFromArray([1, 2, 3, 4], 3, 2)).toEqual([1, 4]);
}); });
test.skip('ignores non present values', () => { test('ignores non present values', () => {
expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]); expect(removeFromArray([1, 2, 3, 4], 7, "tacos")).toEqual([1, 2, 3, 4]);
}); });
test.skip('ignores non present values, but still works', () => { test('ignores non present values, but still works', () => {
expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]); expect(removeFromArray([1, 2, 3, 4], 7, 2)).toEqual([1, 3, 4]);
}); });
test.skip('can remove all values', () => { test('can remove all values', () => {
expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]); expect(removeFromArray([1, 2, 3, 4], 1, 2, 3, 4)).toEqual([]);
}); });
test.skip('works with strings', () => { test('works with strings', () => {
expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]); expect(removeFromArray(["hey", 2, 3, "ho"], "hey", 3)).toEqual([2, "ho"]);
}); });
test.skip('only removes same type', () => { test('only removes same type', () => {
expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]); expect(removeFromArray([1, 2, 3], "1", 3)).toEqual([1, 2]);
}); });
}); });

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@ -0,0 +1,35 @@
const removeFromArray = function(myArray, remArray) {
index = [];
//myArray = myArray.sort();
a1Len = myArray.length;
console.log("Length 1: " + a1Len);
a2Len = remArray.length;
console.log("Length 2: " + a2Len);
pos1 = 0;
pos2 = 0;
while (pos2 < a2Len) {
while (pos1 < a1Len) {
pos1 = myArray.indexOf(remArray[pos2], pos1);
console.log("Position 1: " + pos1);
console.log("Position 2: " + pos2);
if (pos1 === -1) break;
myArray.splice(pos1, 1);
pos1 = pos1 + 1;
}
pos2 = pos2 + 1;
}
//index.push(myArray.indexOf(toRemove));
return myArray;
}
testArray = [1,2,3,4];
remArray = [3,4];
testPrint = removeFromArray(testArray, remArray);
console.log(testPrint);
//console.log(pos);
//console.log(testArray.length);
// Do not edit below this line
module.exports = removeFromArray;

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@ -1,6 +1,24 @@
const sumAll = function() { const sumAll = function(num1, num2) {
if (num1 < 0 || num2 < 0 || typeof num1 != "number" || typeof num2 != "number") {
return 'ERROR';
}else if (num1 > num2) {
var mySum = 0;
for (i = num2; i < num1; i++) {
mySum = mySum + i;
}
mySum += num1;
} else {
var mySum = 0;
for (i = num1; i < num2; i++) {
mySum = mySum + i;
}
mySum += num2;
}
return mySum;
}; };
testPrint = sumAll(1, 4);
console.log(testPrint);
// Do not edit below this line // Do not edit below this line
module.exports = sumAll; module.exports = sumAll;

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@ -4,19 +4,19 @@ describe('sumAll', () => {
test('sums numbers within the range', () => { test('sums numbers within the range', () => {
expect(sumAll(1, 4)).toEqual(10); expect(sumAll(1, 4)).toEqual(10);
}); });
test.skip('works with large numbers', () => { test('works with large numbers', () => {
expect(sumAll(1, 4000)).toEqual(8002000); expect(sumAll(1, 4000)).toEqual(8002000);
}); });
test.skip('works with larger number first', () => { test('works with larger number first', () => {
expect(sumAll(123, 1)).toEqual(7626); expect(sumAll(123, 1)).toEqual(7626);
}); });
test.skip('returns ERROR with negative numbers', () => { test('returns ERROR with negative numbers', () => {
expect(sumAll(-10, 4)).toEqual('ERROR'); expect(sumAll(-10, 4)).toEqual('ERROR');
}); });
test.skip('returns ERROR with non-number parameters', () => { test('returns ERROR with non-number parameters', () => {
expect(sumAll(10, "90")).toEqual('ERROR'); expect(sumAll(10, "90")).toEqual('ERROR');
}); });
test.skip('returns ERROR with non-number parameters', () => { test('returns ERROR with non-number parameters', () => {
expect(sumAll(10, [90, 1])).toEqual('ERROR'); expect(sumAll(10, [90, 1])).toEqual('ERROR');
}); });
}); });

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@ -1,6 +1,17 @@
const leapYears = function() { const leapYears = function(year) {
if (year % 400 === 0) {
return true;
} else if (year % 4 === 0) {
if (year % 100 === 0) {
return false;
} else {
return true;
}
} return false;
}
}; testPrint = leapYears(400);
console.log(testPrint);
// Do not edit below this line // Do not edit below this line
module.exports = leapYears; module.exports = leapYears;

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@ -4,19 +4,19 @@ describe('leapYears', () => {
test('works with non century years', () => { test('works with non century years', () => {
expect(leapYears(1996)).toBe(true); expect(leapYears(1996)).toBe(true);
}); });
test.skip('works with non century years', () => { test('works with non century years', () => {
expect(leapYears(1997)).toBe(false); expect(leapYears(1997)).toBe(false);
}); });
test.skip('works with ridiculously futuristic non century years', () => { test('works with ridiculously futuristic non century years', () => {
expect(leapYears(34992)).toBe(true); expect(leapYears(34992)).toBe(true);
}); });
test.skip('works with century years', () => { test('works with century years', () => {
expect(leapYears(1900)).toBe(false); expect(leapYears(1900)).toBe(false);
}); });
test.skip('works with century years', () => { test('works with century years', () => {
expect(leapYears(1600)).toBe(true); expect(leapYears(1600)).toBe(true);
}); });
test.skip('works with century years', () => { test('works with century years', () => {
expect(leapYears(700)).toBe(false); expect(leapYears(700)).toBe(false);
}); });
}); });

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@ -5,6 +5,6 @@ Create a function that returns a specific member of the Fibonacci sequence:
> A series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc. > A series of numbers in which each number ( Fibonacci number ) is the sum of the two preceding numbers. The simplest is the series 1, 1, 2, 3, 5, 8, etc.
```javascript ```javascript
fibonacci(4) // returns the 4th member of the series: 3 (1, 1, 2, 3) fibonacci(4); // returns the 4th member of the series: 3 (1, 1, 2, 3)
fibonacci(6) // returns 8 fibonacci(6); // returns 8
``` ```

6
package-lock.json generated
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@ -1253,9 +1253,9 @@
"dev": true "dev": true
}, },
"caniuse-lite": { "caniuse-lite": {
"version": "1.0.30001223", "version": "1.0.30001302",
"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz", "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001302.tgz",
"integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==", "integrity": "sha512-YYTMO+tfwvgUN+1ZnRViE53Ma1S/oETg+J2lISsqi/ZTNThj3ZYBOKP2rHwJc37oCsPqAzJ3w2puZHn0xlLPPw==",
"dev": true "dev": true
}, },
"capture-exit": { "capture-exit": {

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@ -26,9 +26,10 @@
"eslintConfig": { "eslintConfig": {
"root": true "root": true
}, },
"jest": { "jest": {
"testPathIgnorePatterns": [ "testPathIgnorePatterns": [
"generator-exercise/" "generator-exercise/"
] ]
} },
"dependencies": {}
} }