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This commit is contained in:
Michał Lipiński
2017-04-04 22:38:50 +02:00
parent bbd59f800b
commit 2538a56577
11 changed files with 14 additions and 52 deletions
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10
repeat.js
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@@ -1,9 +1,3 @@
/* Used as references for the maximum safe integer in JavaScript Math.pow(2, 53) - 1 */
const MAX_SAFE_INTEGER = 9007199254740991
/* Built-in method references for those with the same name as other `lodash` methods. */
const nativeFloor = Math.floor
/**
* Repeats the given string `n` times.
*
@@ -25,7 +19,7 @@ const nativeFloor = Math.floor
*/
function repeat(string, n) {
let result = ''
if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
if (!string || n < 1 || n > Number.MAX_SAFE_INTEGER) {
return result
}
// Leverage the exponentiation by squaring algorithm for a faster repeat.
@@ -34,7 +28,7 @@ function repeat(string, n) {
if (n % 2) {
result += string
}
n = nativeFloor(n / 2)
n = Math.floor(n / 2)
if (n) {
string += string
}