Create 1592-rearrange-spaces-between-words.js

Author: everthis

1592-rearrange-spaces-between-words.js

@@ -0,0 +1,23 @@
+/**
+ * @param {string} text
+ * @return {string}
+ */
+const reorderSpaces = function(text) {
+  let sc = 0
+  for(let i = 0, len = text.length; i < len; i++) {
+    if(text[i] === ' ') sc++
+  }
+  const arr = text.split(' ').filter(e => e!= '')
+  const num = arr.length - 1
+  const remain = num === 0 ? sc : sc % num
+  const split = num === 0 ? 0 : Array( (sc / num) >> 0 ).fill(0).reduce((ac, el) => ac + ' ', '')
+  let res = ''
+  res = arr.join(split) + helper(remain)
+  return res
+};
+
+function helper(n) {
+  let res = ''
+  for(let i = 0; i < n; i++) res += ' '
+  return res
+}