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const _ = { | |
clamp(number,lBound,hBound){ | |
//console.log(number,lBound,hBound); | |
/* Check which one is the highest value, the number or the low bound. Then use that number to get the lowest(Math.min) between the result of the Math.max or the High Bound | |
*/ | |
return Math.min(Math.max(number,lBound),hBound); | |
}, | |
inRange(number,start,end){ | |
if (typeof end === 'undefined'){ | |
end = start; | |
start = 0; | |
}else if (start > end){ | |
let help = end; | |
end = start; | |
start = help; | |
} | |
//console.log(start, end, number); | |
return number >= start && number < end; | |
}, | |
words(string){ | |
return string.split(' '); | |
}, | |
pad(string,length){ | |
if (length > string.length){ | |
let bPadLength = Math.floor((length - string.length) /2); | |
let ePadLength = length - string.length - bPadLength; | |
let paddedString = ' '.repeat(bPadLength) + string + ' '.repeat(ePadLength); | |
return paddedString; | |
}else { | |
return string; | |
} | |
}, | |
has(obj, key){ | |
console.log(obj[key], obj[key] != undefined); | |
return obj[key] != undefined; | |
}, | |
invert(obj){ | |
const invertedObject = {}; | |
for (const key in obj){ | |
//console.log(key, obj[key]); | |
let originalValue = obj[key]; | |
invertedObject[originalValue] = key; | |
// invertedObject = {originalValue : key}; | |
}; | |
return invertedObject; | |
}, | |
findKey(obj,predicate){ | |
for (const key in obj){ | |
if (predicate(obj[key])){ | |
return key; | |
} | |
} | |
return undefined; | |
}, | |
drop(array, dropItems){ | |
const itemsToDrop = dropItems === undefined ? 1 : dropItems ; | |
return array.slice(itemsToDrop); | |
}, | |
dropWhile(array,predicate){ | |
return this.drop(array, array.findIndex((element, index) => !predicate(element, index, array))); | |
}, | |
chunk(array, size){ | |
if (size === undefined){ | |
size = 1; | |
} | |
let arrayChunks = []; | |
for (let i = 0; i < array.length; i = i + size){ | |
let arrayChunk = array.slice(i, i + size); | |
arrayChunks.push(arrayChunk); | |
}; | |
return arrayChunks; | |
} | |
}; | |
// Do not write or modify code below this line. | |
module.exports = _; |
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