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example.js
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40 lines (33 loc) · 908 Bytes
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'use strict';
var bracketPush = module.exports = function(input) {
if (input.length === 0) {
return true;
}
var bracketArray;
bracketArray = input;
var iArr = [];
if (typeof input === 'string') {
bracketArray = input.split('');
}
var openArray = ['{', '[', '('];
var closeArray = ['}', ']', ')'];
for (var i = 0; i < bracketArray.length; i++) {
for (var j = 0; j < openArray.length; j++) {
if (bracketArray[i] === openArray[j]) {
iArr.push(i);
}
}
}
var topNumber = Math.max.apply(Math, iArr);
for (var k = 0; k < 3; k++) {
if (bracketArray[topNumber] === openArray[k]) {
if (typeof bracketArray[(topNumber + 1)] !== undefined) {
if (bracketArray[(topNumber + 1)] === closeArray[k]) {
bracketArray.splice(topNumber, 2);
return bracketPush(bracketArray);
}
}
}
}
return false;
};