shell bypass 403
const unicode = require('../lib/unicode')
module.exports = {
isSpaceSeparator (c) {
return typeof c === 'string' && unicode.Space_Separator.test(c)
},
isIdStartChar (c) {
return typeof c === 'string' && (
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c === '$') || (c === '_') ||
unicode.ID_Start.test(c)
)
},
isIdContinueChar (c) {
return typeof c === 'string' && (
(c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
(c === '$') || (c === '_') ||
(c === '\u200C') || (c === '\u200D') ||
unicode.ID_Continue.test(c)
)
},
isDigit (c) {
return typeof c === 'string' && /[0-9]/.test(c)
},
isHexDigit (c) {
return typeof c === 'string' && /[0-9A-Fa-f]/.test(c)
},
}