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bracket-balance

bracket-balance - get the difference between opening and closing brackets in a string

Installation

npm install bracket-balance --save

Example

const bracketBalance = require('bracket-balance');
let exampleString = '{hello{{ ]}';

bracketBalance(exampleString, '{}');
//returns 2 because there are 2 more opening than closing brackets

Definition

Arguments

1. String to search through
2. String containing a pair of brackets ('{}', '()' or '[]')

Returns

Number representing the difference between opening and closing brackets

• bigger than 0 means there are more opening than closing brackets
• exactly 0 means that there is an closing one for each opening bracket
• smaller than 0 means there are more closing than opening brackets