/**
* Build an array of the given target length from an existing array and a padding value.
* If the array is already larger than the target length, it will not be shortened.
* @param {Array} anArray - the source array to copy into the result.
* @param {*} padding - the value to add to the new array to reach the desired length.
* @param {Number} targetLength - The desired length of the returned array.
* @returns {Array} an array with at least 'target length" elements
* @alias module:array-utils.padToLength
* @example
* const srcArray = [2, 3, 4]
* const paddedArray = padToLength(srcArray, 0, 5)
*/
const padToLength = (anArray, padding, targetLength) => {
anArray = anArray.slice()
while (anArray.length < targetLength) {
anArray.push(padding)
}
return anArray
}
module.exports = padToLength