eslint-plugin-regexp
Version:
ESLint plugin for finding RegExp mistakes and RegExp style guide violations.
97 lines (96 loc) • 4.11 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseFlags = exports.FLAG_UNICODE_SETS = exports.FLAG_UNICODE = exports.FLAG_STICKY = exports.FLAG_MULTILINE = exports.FLAG_IGNORECASE = exports.FLAG_HAS_INDICES = exports.FLAG_DOT_ALL = exports.FLAG_GLOBAL = exports.isHexLikeEscape = exports.isEscapeSequence = exports.getEscapeSequenceKind = exports.EscapeSequenceKind = exports.isUnicodeCodePointEscape = exports.isUnicodeEscape = exports.isHexadecimalEscape = exports.isControlEscape = exports.isOctalEscape = exports.RESERVED_DOUBLE_PUNCTUATOR_PATTERN = exports.RESERVED_DOUBLE_PUNCTUATOR_CP = exports.RESERVED_DOUBLE_PUNCTUATOR_CHARS = void 0;
const util_1 = require("./util");
const RESERVED_DOUBLE_PUNCTUATORS = "&!#$%*+,.:;<=>?@^`~-";
exports.RESERVED_DOUBLE_PUNCTUATOR_CHARS = new Set(RESERVED_DOUBLE_PUNCTUATORS);
exports.RESERVED_DOUBLE_PUNCTUATOR_CP = new Set((0, util_1.toCodePoints)(RESERVED_DOUBLE_PUNCTUATORS));
exports.RESERVED_DOUBLE_PUNCTUATOR_PATTERN = /&&|!!|##|\$\$|%%|\*\*|\+\+|,,|\.\.|::|;;|<<|==|>>|\?\?|@@|\^\^|``|~~|--/u;
function isOctalEscape(raw) {
return /^\\[0-7]{1,3}$/u.test(raw);
}
exports.isOctalEscape = isOctalEscape;
function isControlEscape(raw) {
return /^\\c[A-Za-z]$/u.test(raw);
}
exports.isControlEscape = isControlEscape;
function isHexadecimalEscape(raw) {
return /^\\x[\dA-Fa-f]{2}$/u.test(raw);
}
exports.isHexadecimalEscape = isHexadecimalEscape;
function isUnicodeEscape(raw) {
return /^\\u[\dA-Fa-f]{4}$/u.test(raw);
}
exports.isUnicodeEscape = isUnicodeEscape;
function isUnicodeCodePointEscape(raw) {
return /^\\u\{[\dA-Fa-f]{1,8}\}$/u.test(raw);
}
exports.isUnicodeCodePointEscape = isUnicodeCodePointEscape;
var EscapeSequenceKind;
(function (EscapeSequenceKind) {
EscapeSequenceKind["octal"] = "octal";
EscapeSequenceKind["control"] = "control";
EscapeSequenceKind["hexadecimal"] = "hexadecimal";
EscapeSequenceKind["unicode"] = "unicode";
EscapeSequenceKind["unicodeCodePoint"] = "unicode code point";
})(EscapeSequenceKind || (exports.EscapeSequenceKind = EscapeSequenceKind = {}));
function getEscapeSequenceKind(raw) {
if (!raw.startsWith("\\")) {
return null;
}
if (isOctalEscape(raw)) {
return EscapeSequenceKind.octal;
}
if (isControlEscape(raw)) {
return EscapeSequenceKind.control;
}
if (isHexadecimalEscape(raw)) {
return EscapeSequenceKind.hexadecimal;
}
if (isUnicodeEscape(raw)) {
return EscapeSequenceKind.unicode;
}
if (isUnicodeCodePointEscape(raw)) {
return EscapeSequenceKind.unicodeCodePoint;
}
return null;
}
exports.getEscapeSequenceKind = getEscapeSequenceKind;
function isEscapeSequence(raw) {
return getEscapeSequenceKind(raw) !== null;
}
exports.isEscapeSequence = isEscapeSequence;
function isHexLikeEscape(raw) {
const kind = getEscapeSequenceKind(raw);
return (kind === EscapeSequenceKind.hexadecimal ||
kind === EscapeSequenceKind.unicode ||
kind === EscapeSequenceKind.unicodeCodePoint);
}
exports.isHexLikeEscape = isHexLikeEscape;
exports.FLAG_GLOBAL = "g";
exports.FLAG_DOT_ALL = "s";
exports.FLAG_HAS_INDICES = "d";
exports.FLAG_IGNORECASE = "i";
exports.FLAG_MULTILINE = "m";
exports.FLAG_STICKY = "y";
exports.FLAG_UNICODE = "u";
exports.FLAG_UNICODE_SETS = "v";
const flagsCache = new Map();
function parseFlags(flags) {
let cached = flagsCache.get(flags);
if (cached === undefined) {
cached = {
dotAll: flags.includes(exports.FLAG_DOT_ALL),
global: flags.includes(exports.FLAG_GLOBAL),
hasIndices: flags.includes(exports.FLAG_HAS_INDICES),
ignoreCase: flags.includes(exports.FLAG_IGNORECASE),
multiline: flags.includes(exports.FLAG_MULTILINE),
sticky: flags.includes(exports.FLAG_STICKY),
unicode: flags.includes(exports.FLAG_UNICODE),
unicodeSets: flags.includes(exports.FLAG_UNICODE_SETS),
};
flagsCache.set(flags, cached);
}
return cached;
}
exports.parseFlags = parseFlags;