Initial Commit

This commit is contained in:
DIKUWCode 2021-12-16 18:15:02 -07:00
parent 3ee040a525
commit 5767e909a2
14 changed files with 128 additions and 41 deletions

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

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@ -1,6 +1,26 @@
const repeatString = function() {
const repeatString = function(inString,repeat) {
var newString = "";
// switch (repeat) {
// case repeat=0: return "";
// case repeat<0: return "ERROR";
// default:
// for (i=1; i <= repeat; i++) {
// newString += string;
// }
// return newString;
// }
};
if (repeat > 0) {
for ( i = 1 ; i <= repeat ; i++) {
newString += inString;
}
return newString;
} else if (repeat < 0) {
return "ERROR";
} else {
return "";
}
}
// Do not edit below this line
module.exports = repeatString;

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@ -4,19 +4,19 @@ describe('repeatString', () => {
test('repeats the string', () => {
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');
});
test.skip('repeats the string 1 times', () => {
test('repeats the string 1 times', () => {
expect(repeatString('hey', 1)).toEqual('hey');
});
test.skip('repeats the string 0 times', () => {
test('repeats the string 0 times', () => {
expect(repeatString('hey', 0)).toEqual('');
});
test.skip('returns ERROR with negative numbers', () => {
test('returns ERROR with negative numbers', () => {
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
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
@ -31,7 +31,7 @@ describe('repeatString', () => {
was randomaly generated. */
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('');
});
});

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@ -1,5 +1,10 @@
const reverseString = function(str) {
const temp = str.split('');
var newString = ''
for (i=1; i <= str.length; i++) {
newString += temp[str.length-i]
}
return newString
};
// Do not edit below this line

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@ -5,14 +5,14 @@ describe('reverseString', () => {
expect(reverseString('hello')).toEqual('olleh');
});
test.skip('reverses multiple words', () => {
test('reverses multiple words', () => {
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')
})
test.skip('works with blank strings', () => {
test('works with blank strings', () => {
expect(reverseString('')).toEqual('')
})
});

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@ -1,5 +1,12 @@
const removeFromArray = function() {
const removeFromArray = ( inArray, ...theFilters ) => {
// Create a local mutable copy of input Array
var filterArray = inArray;
//Cycle through elements of theFilters
for (i = 1; i <= theFilters.length ; i++) {
//Filters filterArray by each sub-element of theFilters element
filterArray = filterArray.filter(item => item !== theFilters[i-1]);
}
return filterArray;
};
// Do not edit below this line

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@ -1,4 +1,23 @@
const sumAll = function() {
const sumAll = function(...theArgs) {
/* - make sure you pay attention to the function parameters
Test that the inputs are +ve integers
*/
const result = theArgs.every(e => Number.isInteger(e) && e > 0);
//Intialize summation variable
var finalSum = null;
if(result) {
// const inMin = ;
// const inMax = ;
for (i = Math.min(...theArgs); i <= Math.max(...theArgs); i++) {
// - on each iteration add the number to the sum
finalSum += i;
}
// - return the sum after finishing the loop
return finalSum
} else {
return 'ERROR';
}
};

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

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@ -1,5 +1,25 @@
const leapYears = function() {
const leapYears = function(...theArgs) {
// > Leap years are years divisible by four (like 1984 and 2004).
// However, years divisible by 100 are not leap years (such as 1800 and 1900)
// unless they are divisible by 400 (like 1600 and 2000, which were in fact leap years).
//Initialize result variable
var result = null
//Test to ensure input is valid year
const valid = theArgs.every(e => Number.isInteger(e) && e > 0);
//Initialize a year variable
const year = Math.floor(theArgs[0]);
// Check year/4 and fail if not eligible
if (valid && (year % 4) == 0) {
result = true
// check if century and not @ 400 interval
if ((year % 100) == 0 && (year % 400) != 0) {
result = false;
}
} else {
result = false
}
return result
};
// Do not edit below this line

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

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@ -1,9 +1,24 @@
const ftoc = function() {
// Write two functions that convert temperatures from Fahrenheit to Celsius, and vice versa:
// ```
// ftoc(32) // fahrenheit to celsius, should return 0
// ctof(0) // celsius to fahrenheit, should return 32
// ```
// Because we are human,
// we want the result temperature to be rounded to one decimal place:
// i.e., `ftoc(100)` should return `37.8` and not `37.77777777777778`.
const ftoc = function(degF) {
var degC = (degF - 32) * (5/9);
degC = Number.degC.toFixed(1);
return degC;
};
const ctof = function() {
const ctof = function(degC) {
var degF = (degC*9/5) + 32;
degF = Number.degF.toFixed(1);
return degF;
};
// Do not edit below this line

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@ -4,22 +4,22 @@ describe('ftoc', () => {
test('works', () => {
expect(ftoc(32)).toEqual(0);
});
test.skip('rounds to 1 decimal', () => {
test('rounds to 1 decimal', () => {
expect(ftoc(100)).toEqual(37.8);
});
test.skip('works with negatives', () => {
test('works with negatives', () => {
expect(ftoc(-100)).toEqual(-73.3);
});
});
describe('ctof', () => {
test.skip('works', () => {
test('works', () => {
expect(ctof(0)).toEqual(32);
});
test.skip('rounds to 1 decimal', () => {
test('rounds to 1 decimal', () => {
expect(ctof(73.2)).toEqual(163.8);
});
test.skip('works with negatives', () => {
test('works with negatives', () => {
expect(ctof(-10)).toEqual(14);
});
});

6
package-lock.json generated
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@ -1253,9 +1253,9 @@
"dev": true
},
"caniuse-lite": {
"version": "1.0.30001223",
"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001223.tgz",
"integrity": "sha512-k/RYs6zc/fjbxTjaWZemeSmOjO0JJV+KguOBA3NwPup8uzxM1cMhR2BD9XmO86GuqaqTCO8CgkgH9Rz//vdDiA==",
"version": "1.0.30001286",
"resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001286.tgz",
"integrity": "sha512-zaEMRH6xg8ESMi2eQ3R4eZ5qw/hJiVsO/HlLwniIwErij0JDr9P+8V4dtx1l+kLq6j3yy8l8W4fst1lBnat5wQ==",
"dev": true
},
"capture-exit": {

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