eslint-plugin-regexp
Version:
ESLint plugin for finding RegExp mistakes and RegExp style guide violations.
51 lines (50 loc) • 2.17 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.toCharSetSource = exports.assertValidFlags = exports.getParser = exports.getJSRegexppAst = void 0;
const refa_1 = require("refa");
const util_1 = require("./util");
function getJSRegexppAst(context, ignoreSticky = false) {
var _a, _b, _c, _d, _e, _f, _g, _h;
const { flags, flagsString, patternAst } = context;
return {
pattern: patternAst,
flags: {
type: "Flags",
raw: flagsString !== null && flagsString !== void 0 ? flagsString : "",
parent: null,
start: NaN,
end: NaN,
dotAll: (_a = flags.dotAll) !== null && _a !== void 0 ? _a : false,
global: (_b = flags.global) !== null && _b !== void 0 ? _b : false,
hasIndices: (_c = flags.hasIndices) !== null && _c !== void 0 ? _c : false,
ignoreCase: (_d = flags.ignoreCase) !== null && _d !== void 0 ? _d : false,
multiline: (_e = flags.multiline) !== null && _e !== void 0 ? _e : false,
sticky: !ignoreSticky && ((_f = flags.sticky) !== null && _f !== void 0 ? _f : false),
unicode: (_g = flags.unicode) !== null && _g !== void 0 ? _g : false,
unicodeSets: (_h = flags.unicodeSets) !== null && _h !== void 0 ? _h : false,
},
};
}
exports.getJSRegexppAst = getJSRegexppAst;
exports.getParser = (0, util_1.cachedFn)((context) => refa_1.JS.Parser.fromAst(getJSRegexppAst(context)));
function assertValidFlags(flags) {
if (!refa_1.JS.isFlags(flags)) {
throw new Error(`Invalid flags: ${JSON.stringify(flags)}`);
}
}
exports.assertValidFlags = assertValidFlags;
function toCharSetSource(charSetOrChar, flags) {
assertValidFlags(flags);
let charSet;
if (typeof charSetOrChar === "number") {
charSet = refa_1.JS.createCharSet([charSetOrChar], flags);
}
else {
charSet = charSetOrChar;
}
return refa_1.JS.toLiteral({
type: "Concatenation",
elements: [{ type: "CharacterClass", characters: charSet }],
}, { flags }).source;
}
exports.toCharSetSource = toCharSetSource;