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match-bracket
Advanced tools
Find the matching bracket's position for a bracket in a code.
npm install match-bracket
Given this code:
sample.js
File.prototype.getExtension = function() {
var re = /[A-Za-z]*(\.[a-z]+)$/g;
var matched = re.exec(this.path);
if (matched) {
var ext = matched[1];
return ext;
} else {
return 'none';
}
};
We can find the matching bracket for the first {
by doing:
var matchBracket = require('match-bracket');
var code = require('fs').readFileSync('./sample.js');
var bracketPos = {line: 1, cursor: 42};
var result = matchBracket(code, bracketPos);
console.log(result);
// => {line: 11, cursor: 1}
Returns the position of the matching bracket of the bracket given by
bracketPos
from the code
.
extension
is an optional argument. It allows match-bracket to recognize
comments in the code and get more accurate results.
Both bracketPos
and result
are in the format of:
{
line: // line number,
cursor: // cursor number
}
line
is the line number in which the bracket appears. cursor
denotes order
in which the bracket appears in the line. Most IDEs display this.
matchBracket('({)', {line: 1, cursor: 2});
// => {line: null, cursor: null}
matchBracket('(()', {line: 1, cursor: 1});
// => {line: null, cursor: null}
matchBracket('(()', {line: 1, cursor: 2});
// => {line: 1, cursor: 3}
MIT
FAQs
Find the matching bracket's position for a bracket in a code
The npm package match-bracket receives a total of 17 weekly downloads. As such, match-bracket popularity was classified as not popular.
We found that match-bracket demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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