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Remove mask function #280

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Remove mask function #280

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4e5fe1a
Remove mask function
codyatwork May 7, 2021
c02463d
Merge branch 'master' into master
codyatwork Jun 1, 2022
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16 changes: 6 additions & 10 deletions chess.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1607,18 +1607,14 @@ export const Chess = function (fen) {
? options.sloppy
: false

function mask(str) {
return str.replace(/\\/g, '\\')
}

function parse_pgn_header(header, options) {
var newline_char =
typeof options === 'object' &&
typeof options.newline_char === 'string'
? options.newline_char
: '\r?\n'
var header_obj = {}
var headers = header.split(new RegExp(mask(newline_char)))
var headers = header.split(new RegExp(newline_char))
var key = ''
var value = ''

Expand Down Expand Up @@ -1647,10 +1643,10 @@ export const Chess = function (fen) {
// With default newline_char, will equal: /^(\[((?:\r?\n)|.)*\])(?:\s*\r?\n){2}/
var header_regex = new RegExp(
'^(\\[((?:' +
mask(newline_char) +
newline_char +
')|.)*\\])' +
'(?:\\s*' +
mask(newline_char) +
newline_char +
'){2}'
)

Expand Down Expand Up @@ -1722,7 +1718,7 @@ export const Chess = function (fen) {
}

var encode_comment = function (string) {
string = string.replace(new RegExp(mask(newline_char), 'g'), ' ')
string = string.replace(new RegExp(newline_char, 'g'), ' ')
return `{${to_hex(string.slice(1, string.length - 1))}}`
}

Expand All @@ -1737,14 +1733,14 @@ export const Chess = function (fen) {
.replace(header_string, '')
.replace(
/* encode comments so they don't get deleted below */
new RegExp(`(\{[^}]*\})+?|;([^${mask(newline_char)}]*)`, 'g'),
new RegExp(`(\{[^}]*\})+?|;([^${newline_char}]*)`, 'g'),
function (match, bracket, semicolon) {
return bracket !== undefined
? encode_comment(bracket)
: ' ' + encode_comment(`{${semicolon.slice(1)}}`)
}
)
.replace(new RegExp(mask(newline_char), 'g'), ' ')
.replace(new RegExp(newline_char, 'g'), ' ')

/* delete recursive annotation variations */
var rav_regex = /(\([^\(\)]+\))+?/g
Expand Down