packages/astro-parser/src/parse/utils/bracket.ts


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

// @ts-nocheck

const SQUARE_BRACKET_OPEN = '['.charCodeAt(0);
const SQUARE_BRACKET_CLOSE = ']'.charCodeAt(0);
const CURLY_BRACKET_OPEN = '{'.charCodeAt(0);
const CURLY_BRACKET_CLOSE = '}'.charCodeAt(0);

export function is_bracket_open(code) {
  return code === SQUARE_BRACKET_OPEN || code === CURLY_BRACKET_OPEN;
}

export function is_bracket_close(code) {
  return code === SQUARE_BRACKET_CLOSE || code === CURLY_BRACKET_CLOSE;
}

export function is_bracket_pair(open, close) {
  return (open === SQUARE_BRACKET_OPEN && close === SQUARE_BRACKET_CLOSE) || (open === CURLY_BRACKET_OPEN && close === CURLY_BRACKET_CLOSE);
}

export function get_bracket_close(open) {
  if (open === SQUARE_BRACKET_OPEN) {
    return SQUARE_BRACKET_CLOSE;
  }
  if (open === CURLY_BRACKET_OPEN) {
    return CURLY_BRACKET_CLOSE;
  }
}